Overview
overview
10Static
static
34728b5eb67...31.exe
windows7-x64
104728b5eb67...31.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
152s -
max time network
165s -
platform
windows7_x64 -
resource
win7-20240319-en -
resource tags
arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system -
submitted
28-03-2024 02:15
Static task
static1
Behavioral task
behavioral1
Sample
4728b5eb6799fbe8850e03e7f7c73ceb7e530010b6179e157a016a6519cd1a31.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4728b5eb6799fbe8850e03e7f7c73ceb7e530010b6179e157a016a6519cd1a31.exe
Resource
win10v2004-20240319-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
Epsilon.exe
Resource
win7-20240319-en
Behavioral task
behavioral8
Sample
Epsilon.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
LICENSES.chromium.html
Resource
win7-20240221-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
win7-20240215-en
Behavioral task
behavioral13
Sample
ffmpeg.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral14
Sample
libEGL.dll
Resource
win7-20240221-en
Behavioral task
behavioral15
Sample
libEGL.dll
Resource
win10v2004-20240226-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
win7-20240319-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
win10v2004-20240226-en
Behavioral task
behavioral24
Sample
swiftshader/libEGL.dll
Resource
win7-20240221-en
Behavioral task
behavioral25
Sample
swiftshader/libEGL.dll
Resource
win10v2004-20231215-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
win7-20240220-en
Behavioral task
behavioral29
Sample
vk_swiftshader.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral30
Sample
vulkan-1.dll
Resource
win7-20240221-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.
Processes:
Epsilon.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Control Panel\International\Geo\Nation Epsilon.exe -
Loads dropped DLL 2 IoCs
Processes:
Epsilon.exepid Process 2124 Epsilon.exe 2124 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.
Processes:
flow ioc 2 ipinfo.io 3 ipinfo.io -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
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Enumerates processes with tasklist 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
Epsilon.exeEpsilon.exepid Process 824 Epsilon.exe 2124 Epsilon.exe 2124 Epsilon.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
WMIC.exetasklist.exeWMIC.exedescription pid Process Token: SeIncreaseQuotaPrivilege 2944 WMIC.exe Token: SeSecurityPrivilege 2944 WMIC.exe Token: SeTakeOwnershipPrivilege 2944 WMIC.exe Token: SeLoadDriverPrivilege 2944 WMIC.exe Token: SeSystemProfilePrivilege 2944 WMIC.exe Token: SeSystemtimePrivilege 2944 WMIC.exe Token: SeProfSingleProcessPrivilege 2944 WMIC.exe Token: SeIncBasePriorityPrivilege 2944 WMIC.exe Token: SeCreatePagefilePrivilege 2944 WMIC.exe Token: SeBackupPrivilege 2944 WMIC.exe Token: SeRestorePrivilege 2944 WMIC.exe Token: SeShutdownPrivilege 2944 WMIC.exe Token: SeDebugPrivilege 2944 WMIC.exe Token: SeSystemEnvironmentPrivilege 2944 WMIC.exe Token: SeRemoteShutdownPrivilege 2944 WMIC.exe Token: SeUndockPrivilege 2944 WMIC.exe Token: SeManageVolumePrivilege 2944 WMIC.exe Token: 33 2944 WMIC.exe Token: 34 2944 WMIC.exe Token: 35 2944 WMIC.exe Token: SeIncreaseQuotaPrivilege 2944 WMIC.exe Token: SeSecurityPrivilege 2944 WMIC.exe Token: SeTakeOwnershipPrivilege 2944 WMIC.exe Token: SeLoadDriverPrivilege 2944 WMIC.exe Token: SeSystemProfilePrivilege 2944 WMIC.exe Token: SeSystemtimePrivilege 2944 WMIC.exe Token: SeProfSingleProcessPrivilege 2944 WMIC.exe Token: SeIncBasePriorityPrivilege 2944 WMIC.exe Token: SeCreatePagefilePrivilege 2944 WMIC.exe Token: SeBackupPrivilege 2944 WMIC.exe Token: SeRestorePrivilege 2944 WMIC.exe Token: SeShutdownPrivilege 2944 WMIC.exe Token: SeDebugPrivilege 2944 WMIC.exe Token: SeSystemEnvironmentPrivilege 2944 WMIC.exe Token: SeRemoteShutdownPrivilege 2944 WMIC.exe Token: SeUndockPrivilege 2944 WMIC.exe Token: SeManageVolumePrivilege 2944 WMIC.exe Token: 33 2944 WMIC.exe Token: 34 2944 WMIC.exe Token: 35 2944 WMIC.exe Token: SeDebugPrivilege 2032 tasklist.exe Token: SeIncreaseQuotaPrivilege 1696 WMIC.exe Token: SeSecurityPrivilege 1696 WMIC.exe Token: SeTakeOwnershipPrivilege 1696 WMIC.exe Token: SeLoadDriverPrivilege 1696 WMIC.exe Token: SeSystemProfilePrivilege 1696 WMIC.exe Token: SeSystemtimePrivilege 1696 WMIC.exe Token: SeProfSingleProcessPrivilege 1696 WMIC.exe Token: SeIncBasePriorityPrivilege 1696 WMIC.exe Token: SeCreatePagefilePrivilege 1696 WMIC.exe Token: SeBackupPrivilege 1696 WMIC.exe Token: SeRestorePrivilege 1696 WMIC.exe Token: SeShutdownPrivilege 1696 WMIC.exe Token: SeDebugPrivilege 1696 WMIC.exe Token: SeSystemEnvironmentPrivilege 1696 WMIC.exe Token: SeRemoteShutdownPrivilege 1696 WMIC.exe Token: SeUndockPrivilege 1696 WMIC.exe Token: SeManageVolumePrivilege 1696 WMIC.exe Token: 33 1696 WMIC.exe Token: 34 1696 WMIC.exe Token: 35 1696 WMIC.exe Token: SeIncreaseQuotaPrivilege 1696 WMIC.exe Token: SeSecurityPrivilege 1696 WMIC.exe Token: SeTakeOwnershipPrivilege 1696 WMIC.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
Epsilon.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 2124 wrote to memory of 1764 2124 Epsilon.exe 28 PID 2124 wrote to memory of 1764 2124 Epsilon.exe 28 PID 2124 wrote to memory of 1764 2124 Epsilon.exe 28 PID 1764 wrote to memory of 2944 1764 cmd.exe 30 PID 1764 wrote to memory of 2944 1764 cmd.exe 30 PID 1764 wrote to memory of 2944 1764 cmd.exe 30 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2492 2124 Epsilon.exe 31 PID 2124 wrote to memory of 2760 2124 Epsilon.exe 33 PID 2124 wrote to memory of 2760 2124 Epsilon.exe 33 PID 2124 wrote to memory of 2760 2124 Epsilon.exe 33 PID 2124 wrote to memory of 2720 2124 Epsilon.exe 34 PID 2124 wrote to memory of 2720 2124 Epsilon.exe 34 PID 2124 wrote to memory of 2720 2124 Epsilon.exe 34 PID 2124 wrote to memory of 2708 2124 Epsilon.exe 37 PID 2124 wrote to memory of 2708 2124 Epsilon.exe 37 PID 2124 wrote to memory of 2708 2124 Epsilon.exe 37 PID 2720 wrote to memory of 1080 2720 cmd.exe 39 PID 2720 wrote to memory of 1080 2720 cmd.exe 39 PID 2720 wrote to memory of 1080 2720 cmd.exe 39 PID 2760 wrote to memory of 1800 2760 cmd.exe 40 PID 2760 wrote to memory of 1800 2760 cmd.exe 40 PID 2760 wrote to memory of 1800 2760 cmd.exe 40 PID 2708 wrote to memory of 2032 2708 cmd.exe 41 PID 2708 wrote to memory of 2032 2708 cmd.exe 41
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:2124 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /d /s /c "wmic CsProduct Get UUID"2⤵
- Suspicious use of WriteProcessMemory
PID:1764 -
C:\Windows\System32\Wbem\WMIC.exewmic CsProduct Get UUID3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2944
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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=1088,11716050505130814434,6172186780451195855,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --user-data-dir="C:\Users\Admin\AppData\Roaming\Epsilon" --gpu-preferences=UAAAAAAAAADgAAAIAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1092 /prefetch:22⤵PID:2492
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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⤵
- Suspicious use of WriteProcessMemory
PID:2760 -
C:\Windows\system32\reg.exeC:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions"3⤵PID:1800
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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⤵
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Windows\system32\reg.exeC:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath3⤵PID:1080
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /d /s /c "tasklist"2⤵
- Suspicious use of WriteProcessMemory
PID:2708 -
C:\Windows\system32\tasklist.exetasklist3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:2032
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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=1088,11716050505130814434,6172186780451195855,131072 --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:792
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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:1588
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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:1696
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /d /s /c "wmic path win32_VideoController get name"2⤵PID:2692
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C:\Windows\System32\Wbem\WMIC.exewmic path win32_VideoController get name3⤵
- Detects videocard installed
PID:564
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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:1224
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C:\Windows\system32\cmd.execmd /c chcp 650013⤵PID:2824
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C:\Windows\system32\chcp.comchcp 650014⤵PID:2820
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C:\Windows\system32\netsh.exenetsh wlan show profiles3⤵PID:1392
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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=1088,11716050505130814434,6172186780451195855,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\Epsilon" --mojo-platform-channel-handle=956 /prefetch:82⤵
- Suspicious behavior: EnumeratesProcesses
PID:824
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
231B
MD5dec2be4f1ec3592cea668aa279e7cc9b
SHA1327cf8ab0c895e10674e00ea7f437784bb11d718
SHA256753b99d2b4e8c58bfd10995d0c2c19255fe9c8f53703bb27d1b6f76f1f4e83cc
SHA51281728e3d31b72905b3a09c79d1e307c4e8e79d436fcfe7560a8046b46ca4ae994fdfaeb1bc2328e35f418b8128f2e7239289e84350e142146df9cde86b20bb66
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Filesize
2.2MB
MD521c0c86fc97746243dbfed6184130595
SHA1f9070ff18fc58233064e38afa268b7667c81f27a
SHA256b52834c2a3a3606a20d59249561e45d64f125188113bb559fdace34c600784a3
SHA512507426244218bc32bc765fc68692cb2b3e7ab666adf2e52f3dd0939e97cb27d55bc1283b1c4c4575470fe1b3371e7d978fbe7c8efcb9e1f9836b0059f7fd7ae4
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Filesize
652KB
MD57f9b96ba7cbbb0c88d2005ccb669b54c
SHA1c3aea9f1075493deb74c1a05f73f609a8086a8d9
SHA2568c60efec7940e69a083350640ec5f42d43d8b979711080f1aef3bda825a9928b
SHA512306aa838d928fc98b0d7429d984cf32d4814d9312445f4745bcf7f920d63223f8e1965bb36f7bf6518228f4541c5c5aa74fc28aa358055f1f893b0edd7216d82