Overview
overview
10Static
static
3MariyelThe...er.exe
windows7-x64
10MariyelThe...er.exe
windows10-2004-x64
10$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3Epsilon.exe
windows7-x64
10Epsilon.exe
windows10-2004-x64
10LICENSES.c...m.html
windows7-x64
1LICENSES.c...m.html
windows10-2004-x64
1d3dcompiler_47.dll
windows10-2004-x64
1ffmpeg.dll
windows7-x64
1ffmpeg.dll
windows10-2004-x64
1libEGL.dll
windows7-x64
1libEGL.dll
windows10-2004-x64
1libGLESv2.dll
windows7-x64
1libGLESv2.dll
windows10-2004-x64
1resources/...dex.js
windows7-x64
1resources/...dex.js
windows10-2004-x64
1resources/....2.bat
windows7-x64
7resources/....2.bat
windows10-2004-x64
7resources/elevate.exe
windows7-x64
1resources/elevate.exe
windows10-2004-x64
1swiftshade...GL.dll
windows7-x64
1swiftshade...GL.dll
windows10-2004-x64
1swiftshade...v2.dll
windows7-x64
1swiftshade...v2.dll
windows10-2004-x64
1vk_swiftshader.dll
windows7-x64
1vk_swiftshader.dll
windows10-2004-x64
1vulkan-1.dll
windows7-x64
1vulkan-1.dll
windows10-2004-x64
1$PLUGINSDI...7z.dll
windows7-x64
3Analysis
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max time kernel
161s -
max time network
175s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
27-03-2024 16:47
Static task
static1
Behavioral task
behavioral1
Sample
MariyelTherapy_Launcher.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
MariyelTherapy_Launcher.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240319-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
Epsilon.exe
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
Epsilon.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
LICENSES.chromium.html
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
LICENSES.chromium.html
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
d3dcompiler_47.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral12
Sample
ffmpeg.dll
Resource
win7-20240221-en
Behavioral task
behavioral13
Sample
ffmpeg.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral14
Sample
libEGL.dll
Resource
win7-20240215-en
Behavioral task
behavioral15
Sample
libEGL.dll
Resource
win10v2004-20240319-en
Behavioral task
behavioral16
Sample
libGLESv2.dll
Resource
win7-20240221-en
Behavioral task
behavioral17
Sample
libGLESv2.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral18
Sample
resources/app.asar.unpacked/node_modules/screenshot-desktop/lib/win32/index.js
Resource
win7-20240221-en
Behavioral task
behavioral19
Sample
resources/app.asar.unpacked/node_modules/screenshot-desktop/lib/win32/index.js
Resource
win10v2004-20240226-en
Behavioral task
behavioral20
Sample
resources/app.asar.unpacked/node_modules/screenshot-desktop/lib/win32/screenCapture_1.3.2.bat
Resource
win7-20240221-en
Behavioral task
behavioral21
Sample
resources/app.asar.unpacked/node_modules/screenshot-desktop/lib/win32/screenCapture_1.3.2.bat
Resource
win10v2004-20240226-en
Behavioral task
behavioral22
Sample
resources/elevate.exe
Resource
win7-20240221-en
Behavioral task
behavioral23
Sample
resources/elevate.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral24
Sample
swiftshader/libEGL.dll
Resource
win7-20240221-en
Behavioral task
behavioral25
Sample
swiftshader/libEGL.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral26
Sample
swiftshader/libGLESv2.dll
Resource
win7-20240221-en
Behavioral task
behavioral27
Sample
swiftshader/libGLESv2.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral28
Sample
vk_swiftshader.dll
Resource
win7-20240319-en
Behavioral task
behavioral29
Sample
vk_swiftshader.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral30
Sample
vulkan-1.dll
Resource
win7-20231129-en
Behavioral task
behavioral31
Sample
vulkan-1.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral32
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win7-20240221-en
General
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Target
Epsilon.exe
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Size
134.3MB
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MD5
128d442c123dbbeefecbffea681b591b
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SHA1
88eaf983ab17105eab1e399794f84f50f0ce6d43
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SHA256
a12809190b023bc9ea27d62ef20c705ecdfc59e93c081ee5af996c5b484c325b
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SHA512
779f1b557de61fbf9dad1fe04149c18c26a1cabf8beb2c57c2dd57a1a4be3a88187ffbef8657bcd948a0a6d40ea0f09c3381b290fd597210f039b854dec41eb1
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SSDEEP
1572864:XicLgaO9p7sMMcmhRhgBx/CyhwGKsME1:khTRsJE1
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Control Panel\International\Geo\Nation Epsilon.exe -
Loads dropped DLL 2 IoCs
pid Process 3056 Epsilon.exe 3056 Epsilon.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 2 ipinfo.io 3 ipinfo.io -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
pid Process 2156 WMIC.exe -
Enumerates processes with tasklist 1 TTPs 2 IoCs
pid Process 1724 tasklist.exe 2752 tasklist.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1944 Epsilon.exe 3056 Epsilon.exe 3056 Epsilon.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2564 WMIC.exe Token: SeSecurityPrivilege 2564 WMIC.exe Token: SeTakeOwnershipPrivilege 2564 WMIC.exe Token: SeLoadDriverPrivilege 2564 WMIC.exe Token: SeSystemProfilePrivilege 2564 WMIC.exe Token: SeSystemtimePrivilege 2564 WMIC.exe Token: SeProfSingleProcessPrivilege 2564 WMIC.exe Token: SeIncBasePriorityPrivilege 2564 WMIC.exe Token: SeCreatePagefilePrivilege 2564 WMIC.exe Token: SeBackupPrivilege 2564 WMIC.exe Token: SeRestorePrivilege 2564 WMIC.exe Token: SeShutdownPrivilege 2564 WMIC.exe Token: SeDebugPrivilege 2564 WMIC.exe Token: SeSystemEnvironmentPrivilege 2564 WMIC.exe Token: SeRemoteShutdownPrivilege 2564 WMIC.exe Token: SeUndockPrivilege 2564 WMIC.exe Token: SeManageVolumePrivilege 2564 WMIC.exe Token: 33 2564 WMIC.exe Token: 34 2564 WMIC.exe Token: 35 2564 WMIC.exe Token: SeIncreaseQuotaPrivilege 2564 WMIC.exe Token: SeSecurityPrivilege 2564 WMIC.exe Token: SeTakeOwnershipPrivilege 2564 WMIC.exe Token: SeLoadDriverPrivilege 2564 WMIC.exe Token: SeSystemProfilePrivilege 2564 WMIC.exe Token: SeSystemtimePrivilege 2564 WMIC.exe Token: SeProfSingleProcessPrivilege 2564 WMIC.exe Token: SeIncBasePriorityPrivilege 2564 WMIC.exe Token: SeCreatePagefilePrivilege 2564 WMIC.exe Token: SeBackupPrivilege 2564 WMIC.exe Token: SeRestorePrivilege 2564 WMIC.exe Token: SeShutdownPrivilege 2564 WMIC.exe Token: SeDebugPrivilege 2564 WMIC.exe Token: SeSystemEnvironmentPrivilege 2564 WMIC.exe Token: SeRemoteShutdownPrivilege 2564 WMIC.exe Token: SeUndockPrivilege 2564 WMIC.exe Token: SeManageVolumePrivilege 2564 WMIC.exe Token: 33 2564 WMIC.exe Token: 34 2564 WMIC.exe Token: 35 2564 WMIC.exe Token: SeDebugPrivilege 1724 tasklist.exe Token: SeIncreaseQuotaPrivilege 2128 WMIC.exe Token: SeSecurityPrivilege 2128 WMIC.exe Token: SeTakeOwnershipPrivilege 2128 WMIC.exe Token: SeLoadDriverPrivilege 2128 WMIC.exe Token: SeSystemProfilePrivilege 2128 WMIC.exe Token: SeSystemtimePrivilege 2128 WMIC.exe Token: SeProfSingleProcessPrivilege 2128 WMIC.exe Token: SeIncBasePriorityPrivilege 2128 WMIC.exe Token: SeCreatePagefilePrivilege 2128 WMIC.exe Token: SeBackupPrivilege 2128 WMIC.exe Token: SeRestorePrivilege 2128 WMIC.exe Token: SeShutdownPrivilege 2128 WMIC.exe Token: SeDebugPrivilege 2128 WMIC.exe Token: SeSystemEnvironmentPrivilege 2128 WMIC.exe Token: SeRemoteShutdownPrivilege 2128 WMIC.exe Token: SeUndockPrivilege 2128 WMIC.exe Token: SeManageVolumePrivilege 2128 WMIC.exe Token: 33 2128 WMIC.exe Token: 34 2128 WMIC.exe Token: 35 2128 WMIC.exe Token: SeIncreaseQuotaPrivilege 2128 WMIC.exe Token: SeSecurityPrivilege 2128 WMIC.exe Token: SeTakeOwnershipPrivilege 2128 WMIC.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3056 wrote to memory of 2556 3056 Epsilon.exe 28 PID 3056 wrote to memory of 2556 3056 Epsilon.exe 28 PID 3056 wrote to memory of 2556 3056 Epsilon.exe 28 PID 2556 wrote to memory of 2564 2556 cmd.exe 30 PID 2556 wrote to memory of 2564 2556 cmd.exe 30 PID 2556 wrote to memory of 2564 2556 cmd.exe 30 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2584 3056 Epsilon.exe 31 PID 3056 wrote to memory of 2748 3056 Epsilon.exe 33 PID 3056 wrote to memory of 2748 3056 Epsilon.exe 33 PID 3056 wrote to memory of 2748 3056 Epsilon.exe 33 PID 3056 wrote to memory of 2748 3056 Epsilon.exe 33 PID 3056 wrote to memory of 2748 3056 Epsilon.exe 33 PID 3056 wrote to memory of 2748 3056 Epsilon.exe 33 PID 3056 wrote to memory of 2748 3056 Epsilon.exe 33 PID 3056 wrote to memory of 2748 3056 Epsilon.exe 33 PID 3056 wrote to memory of 2748 3056 Epsilon.exe 33 PID 3056 wrote to memory of 2748 3056 Epsilon.exe 33 PID 3056 wrote to memory of 2748 3056 Epsilon.exe 33 PID 3056 wrote to memory of 2748 3056 Epsilon.exe 33 PID 3056 wrote to memory of 2748 3056 Epsilon.exe 33 PID 3056 wrote to memory of 2748 3056 Epsilon.exe 33 PID 3056 wrote to memory of 2748 3056 Epsilon.exe 33 PID 3056 wrote to memory of 2748 3056 Epsilon.exe 33 PID 3056 wrote to memory of 2748 3056 Epsilon.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\Epsilon.exe"C:\Users\Admin\AppData\Local\Temp\Epsilon.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3056 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /d /s /c "wmic CsProduct Get UUID"2⤵
- Suspicious use of WriteProcessMemory
PID:2556 -
C:\Windows\System32\Wbem\WMIC.exewmic CsProduct Get UUID3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2564
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C:\Users\Admin\AppData\Local\Temp\Epsilon.exe"C:\Users\Admin\AppData\Local\Temp\Epsilon.exe" --type=gpu-process --field-trial-handle=1112,12927312315709525145,13746678395863133313,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --user-data-dir="C:\Users\Admin\AppData\Roaming\Epsilon" --gpu-preferences=UAAAAAAAAADgAAAIAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1120 /prefetch:22⤵PID:2584
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C:\Users\Admin\AppData\Local\Temp\Epsilon.exe"C:\Users\Admin\AppData\Local\Temp\Epsilon.exe" --type=gpu-process --field-trial-handle=1112,12927312315709525145,13746678395863133313,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --user-data-dir="C:\Users\Admin\AppData\Roaming\Epsilon" --gpu-preferences=UAAAAAAAAADgAAAIAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1212 /prefetch:22⤵PID:2748
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /d /s /c "C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions""2⤵PID:2224
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C:\Windows\system32\reg.exeC:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions"3⤵PID:2012
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /d /s /c "C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath"2⤵PID:2500
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C:\Windows\system32\reg.exeC:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath3⤵PID:1720
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /d /s /c "tasklist"2⤵PID:928
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C:\Windows\system32\tasklist.exetasklist3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1724
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /d /s /c "wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List"2⤵PID:2272
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C:\Windows\System32\Wbem\WMIC.exewmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2128
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /d /s /c "wmic path win32_VideoController get name"2⤵PID:2064
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C:\Windows\System32\Wbem\WMIC.exewmic path win32_VideoController get name3⤵
- Detects videocard installed
PID:2156
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /d /s /c "cmd /c chcp 65001>nul && netsh wlan show profiles"2⤵PID:1124
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C:\Windows\system32\cmd.execmd /c chcp 650013⤵PID:1420
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C:\Windows\system32\chcp.comchcp 650014⤵PID:1908
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C:\Windows\system32\netsh.exenetsh wlan show profiles3⤵PID:332
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C:\Users\Admin\AppData\Local\Temp\Epsilon.exe"C:\Users\Admin\AppData\Local\Temp\Epsilon.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1112,12927312315709525145,13746678395863133313,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\Epsilon" --mojo-platform-channel-handle=1660 /prefetch:82⤵
- Suspicious behavior: EnumeratesProcesses
PID:1944
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /d /s /c "tasklist"2⤵PID:540
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C:\Windows\system32\tasklist.exetasklist3⤵
- Enumerates processes with tasklist
PID:2752
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
240B
MD5810ae82f863a5ffae14d3b3944252a4e
SHA15393e27113753191436b14f0cafa8acabcfe6b2a
SHA256453478914b72d9056472fb1e44c69606c62331452f47a1f3c02190f26501785c
SHA5122421a397dd2ebb17947167addacd3117f666ddab388e3678168075f58dc8eee15bb49a4aac2290140ae5102924852d27b538740a859d0b35245f505b20f29112
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Filesize
231B
MD5dec2be4f1ec3592cea668aa279e7cc9b
SHA1327cf8ab0c895e10674e00ea7f437784bb11d718
SHA256753b99d2b4e8c58bfd10995d0c2c19255fe9c8f53703bb27d1b6f76f1f4e83cc
SHA51281728e3d31b72905b3a09c79d1e307c4e8e79d436fcfe7560a8046b46ca4ae994fdfaeb1bc2328e35f418b8128f2e7239289e84350e142146df9cde86b20bb66
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Filesize
652KB
MD57f9b96ba7cbbb0c88d2005ccb669b54c
SHA1c3aea9f1075493deb74c1a05f73f609a8086a8d9
SHA2568c60efec7940e69a083350640ec5f42d43d8b979711080f1aef3bda825a9928b
SHA512306aa838d928fc98b0d7429d984cf32d4814d9312445f4745bcf7f920d63223f8e1965bb36f7bf6518228f4541c5c5aa74fc28aa358055f1f893b0edd7216d82
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Filesize
2.7MB
MD5c639773c96bd5fbdaf6f1a6333662bb4
SHA10f5fecc2a6c750ddb730f382310e9e64ab8f202c
SHA256c09f6c2894a46f149688601cb67624afdd122a0c494fa926fa0f83c75785ea35
SHA5129bbe978078db99c917a315cf001a0713858007d2fc0632c73b30b490c89ceaa70578bcc38c6a59845e97c643c708587910ce27b687c96d298f5bf007d4c70802