epsilon | 3f54d1d7563e17873e72d1b3726462f0354da31d4b786171ecb617a2bb2d0ef1

Resubmissions

24-02-2024 20:00

240224-yrcnqsea3y 10

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24-02-2024 20:00

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General

Target

true.exe
Size

168.6MB
MD5

e3261b4def8532387e1871c844daa26b
SHA1

51b1fc5b40ef952cce623efb3ad6fc38fd71c6dc
SHA256

1363160f04aa979afa98d40853138f3ae8bec6d081e23b5bc0e97e8ea29d7e07
SHA512

0ddd2085a1808c8d38278af169121e2f4ff1014c7a391b5e17dbabad672ffe2ae61a886df60b7ce33b3b8829a54b90779fbda9811c0ca8e070bb0953c64d8659
SSDEEP

1572864:KXic4qb6IXgDaJfpEQHgelkLK4z34xGWw0TwW1T/qWhehZvmCtS3JPfyzG49FndX:UVKvWZ8tyx4u

Score

10^/10

epsilon spyware stealer

Malware Config

Signatures

Epsilon Stealer
Information stealer.
stealer epsilon

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3316742141-2240921845-2885234760-1000\Control Panel\International\Geo\Nation	true.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3316742141-2240921845-2885234760-1000\Control Panel\International\Geo\Nation	true.exe

Loads dropped DLL 2 IoCs

pid	Process
2740	true.exe
2740	true.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

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
26	ipinfo.io
27	ipinfo.io

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\System32\DriverStore\FileRepository\display.inf_amd64_71aa85b0e2292a7a\display.PNF	true.exe
File created	\??\c:\windows\system32\driverstore\filerepository\display.inf_amd64_71aa85b0e2292a7a\display.PNF	true.exe

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
3640	WMIC.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1960	true.exe
1960	true.exe
1960	true.exe
1960	true.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2740	true.exe
Token: SeCreatePagefilePrivilege	2740	true.exe
Token: SeIncreaseQuotaPrivilege	4060	WMIC.exe
Token: SeSecurityPrivilege	4060	WMIC.exe
Token: SeTakeOwnershipPrivilege	4060	WMIC.exe
Token: SeLoadDriverPrivilege	4060	WMIC.exe
Token: SeSystemProfilePrivilege	4060	WMIC.exe
Token: SeSystemtimePrivilege	4060	WMIC.exe
Token: SeProfSingleProcessPrivilege	4060	WMIC.exe
Token: SeIncBasePriorityPrivilege	4060	WMIC.exe
Token: SeCreatePagefilePrivilege	4060	WMIC.exe
Token: SeBackupPrivilege	4060	WMIC.exe
Token: SeRestorePrivilege	4060	WMIC.exe
Token: SeShutdownPrivilege	4060	WMIC.exe
Token: SeDebugPrivilege	4060	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4060	WMIC.exe
Token: SeRemoteShutdownPrivilege	4060	WMIC.exe
Token: SeUndockPrivilege	4060	WMIC.exe
Token: SeManageVolumePrivilege	4060	WMIC.exe
Token: 33	4060	WMIC.exe
Token: 34	4060	WMIC.exe
Token: 35	4060	WMIC.exe
Token: 36	4060	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4060	WMIC.exe
Token: SeSecurityPrivilege	4060	WMIC.exe
Token: SeTakeOwnershipPrivilege	4060	WMIC.exe
Token: SeLoadDriverPrivilege	4060	WMIC.exe
Token: SeSystemProfilePrivilege	4060	WMIC.exe
Token: SeSystemtimePrivilege	4060	WMIC.exe
Token: SeProfSingleProcessPrivilege	4060	WMIC.exe
Token: SeIncBasePriorityPrivilege	4060	WMIC.exe
Token: SeCreatePagefilePrivilege	4060	WMIC.exe
Token: SeBackupPrivilege	4060	WMIC.exe
Token: SeRestorePrivilege	4060	WMIC.exe
Token: SeShutdownPrivilege	4060	WMIC.exe
Token: SeDebugPrivilege	4060	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4060	WMIC.exe
Token: SeRemoteShutdownPrivilege	4060	WMIC.exe
Token: SeUndockPrivilege	4060	WMIC.exe
Token: SeManageVolumePrivilege	4060	WMIC.exe
Token: 33	4060	WMIC.exe
Token: 34	4060	WMIC.exe
Token: 35	4060	WMIC.exe
Token: 36	4060	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3640	WMIC.exe
Token: SeSecurityPrivilege	3640	WMIC.exe
Token: SeTakeOwnershipPrivilege	3640	WMIC.exe
Token: SeLoadDriverPrivilege	3640	WMIC.exe
Token: SeSystemProfilePrivilege	3640	WMIC.exe
Token: SeSystemtimePrivilege	3640	WMIC.exe
Token: SeProfSingleProcessPrivilege	3640	WMIC.exe
Token: SeIncBasePriorityPrivilege	3640	WMIC.exe
Token: SeCreatePagefilePrivilege	3640	WMIC.exe
Token: SeBackupPrivilege	3640	WMIC.exe
Token: SeRestorePrivilege	3640	WMIC.exe
Token: SeShutdownPrivilege	3640	WMIC.exe
Token: SeDebugPrivilege	3640	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3640	WMIC.exe
Token: SeRemoteShutdownPrivilege	3640	WMIC.exe
Token: SeUndockPrivilege	3640	WMIC.exe
Token: SeManageVolumePrivilege	3640	WMIC.exe
Token: 33	3640	WMIC.exe
Token: 34	3640	WMIC.exe
Token: 35	3640	WMIC.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2740	true.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 3280	2740	true.exe	90
PID 2740 wrote to memory of 4420	2740	true.exe	91
PID 2740 wrote to memory of 4420	2740	true.exe	91
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92
PID 2740 wrote to memory of 1820	2740	true.exe	92

C:\Users\Admin\AppData\Local\Temp\true.exe
"C:\Users\Admin\AppData\Local\Temp\true.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Users\Admin\AppData\Local\Temp\true.exe
  "C:\Users\Admin\AppData\Local\Temp\true.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\true" --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1896 --field-trial-handle=1900,i,7736582741224681891,11819182876424677981,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:2
  2⤵
  PID:3280
- C:\Users\Admin\AppData\Local\Temp\true.exe
  "C:\Users\Admin\AppData\Local\Temp\true.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\true" --mojo-platform-channel-handle=2344 --field-trial-handle=1900,i,7736582741224681891,11819182876424677981,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:8
  2⤵
  PID:4420
- C:\Users\Admin\AppData\Local\Temp\true.exe
  "C:\Users\Admin\AppData\Local\Temp\true.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\true" --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --enable-sandbox --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=4 --mojo-platform-channel-handle=2516 --field-trial-handle=1900,i,7736582741224681891,11819182876424677981,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:1
  2⤵
  - Checks computer location settings
  PID:1820
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List"
  2⤵
  PID:3728
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4060
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath"
  2⤵
  PID:3940
- - C:\Windows\system32\reg.exe
    C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath
    3⤵
    PID:832
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions""
  2⤵
  PID:1932
- - C:\Windows\system32\reg.exe
    C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions"
    3⤵
    PID:1128
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "wmic path win32_VideoController get name"
  2⤵
  PID:2956
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic path win32_VideoController get name
    3⤵
    - Detects videocard installed
    - Suspicious use of AdjustPrivilegeToken
    PID:3640
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "cmd /c chcp 65001>nul && netsh wlan show profiles"
  2⤵
  PID:4756
- - C:\Windows\system32\cmd.exe
    cmd /c chcp 65001
    3⤵
    PID:3612
  - - C:\Windows\system32\chcp.com
      chcp 65001
      4⤵
      PID:2220
- - C:\Windows\system32\netsh.exe
    netsh wlan show profiles
    3⤵
    PID:1520
- C:\Users\Admin\AppData\Local\Temp\true.exe
  "C:\Users\Admin\AppData\Local\Temp\true.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --user-data-dir="C:\Users\Admin\AppData\Roaming\true" --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=3400 --field-trial-handle=1900,i,7736582741224681891,11819182876424677981,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:8
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  PID:1960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7f49a2b0-5243-44d7-8ffd-49f2f7bbd14e.tmp.node

Filesize
122KB

MD5
51a1d690ef64d9c11b9ec8c298fe6f18

SHA1
047d5110ca39693e7d929f957783a26bb0d0675f

SHA256
56b742217f5976c890e61bd9d05ce0b03097d272f0fd4816d6ec1bcf305d9c5a

SHA512
581a0007799938d1568d9ed9580029a957c194c16367a346dbc4c8b51e79aaf9cabfb84c8e5a92f13c94649a1aa202eebc80ee1901250c3e7554a4d105accba8

Download Submit
C:\Users\Admin\AppData\Local\Temp\c7f674ed-8072-4265-9371-31132944a541.tmp.node

Filesize
1.6MB

MD5
0c33db6d12c03f303f62a92287208adf

SHA1
d8800f55714cd124e92aa8bec56dff6cf15e5741

SHA256
be68f8d8db7b21c1b0492d5ed717d7a6a3552e0b78b36fe205c97f538388c339

SHA512
11ce175c8eafa4f446d13403c3274dc6a891c379e36e87b2268b2503de9dde8da04f06a4f5c1e94b5e2b2c6c0de0a500396a685554f98b5ee25b96e6251b6f06

Download Submit
C:\Users\Admin\AppData\Local\Temp\epsilon-Admin\Antivirus.txt

Filesize
231B

MD5
dec2be4f1ec3592cea668aa279e7cc9b

SHA1
327cf8ab0c895e10674e00ea7f437784bb11d718

SHA256
753b99d2b4e8c58bfd10995d0c2c19255fe9c8f53703bb27d1b6f76f1f4e83cc

SHA512
81728e3d31b72905b3a09c79d1e307c4e8e79d436fcfe7560a8046b46ca4ae994fdfaeb1bc2328e35f418b8128f2e7239289e84350e142146df9cde86b20bb66

Download Submit
C:\Users\Admin\AppData\Local\Temp\epsilon-Admin\AutoFill Data\All Autofill Data.txt

Filesize
249B

MD5
cf7e4a12f932a3fddddacc8b10e1f1b0

SHA1
db6f9bc2be5e0905086b7b7b07109ef8d67b24ee

SHA256
1b6d3f6ad849e115bf20175985bed9bcfc6ec206e288b97ac14c3a23b5d28a4b

SHA512
fab79f26c1841310cc61e2f8336ca05281a9252a34a3c240e500c8775840374edb0a42094c64aa38a29ca79e1cafa114d6f1bbe3009060d32f8c1df9f088c12c

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Spelling\en-US\default.dic

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
C:\Users\Admin\AppData\Roaming\true\Network\Network Persistent State

Filesize
300B

MD5
0516cd42cc446ac8bf64e8e9cf55da70

SHA1
23583f6da7930e134fff31db3738585e98d0972d

SHA256
549713ce5740433b18b7023342ce32309c74e9fc551745a990433ec11735b3ce

SHA512
32911aa04f2805ce29f5398d06934dd2154544985ee06256cf180e0582a9cce4544cd4363e4cf549f1401627978c10d30f7874c296328b0cfde1085b79aafdae

Download Submit
C:\Users\Admin\AppData\Roaming\true\Network\Network Persistent State~RFe589064.TMP

Filesize
59B

MD5
2800881c775077e1c4b6e06bf4676de4

SHA1
2873631068c8b3b9495638c865915be822442c8b

SHA256
226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974

SHA512
e342407ab65cc68f1b3fd706cd0a37680a0864ffd30a6539730180ede2cdcd732cc97ae0b9ef7db12da5c0f83e429df0840dbf7596aca859a0301665e517377b

Download Submit
memory/1820-43-0x00007FF9494D0000-0x00007FF9494D1000-memory.dmp

Filesize
4KB

Download
memory/1820-53-0x00007FF94AF70000-0x00007FF94AF71000-memory.dmp

Filesize
4KB

Download
memory/1820-134-0x000002442ADC0000-0x000002442AE6D000-memory.dmp

Filesize
692KB

Download
memory/1960-156-0x000001FFDC660000-0x000001FFDC661000-memory.dmp

Filesize
4KB

Download
memory/1960-157-0x000001FFDC660000-0x000001FFDC661000-memory.dmp

Filesize
4KB

Download
memory/1960-158-0x000001FFDC660000-0x000001FFDC661000-memory.dmp

Filesize
4KB

Download
memory/1960-162-0x000001FFDC660000-0x000001FFDC661000-memory.dmp

Filesize
4KB

Download
memory/1960-163-0x000001FFDC660000-0x000001FFDC661000-memory.dmp

Filesize
4KB

Download
memory/1960-164-0x000001FFDC660000-0x000001FFDC661000-memory.dmp

Filesize
4KB

Download
memory/1960-165-0x000001FFDC660000-0x000001FFDC661000-memory.dmp

Filesize
4KB

Download
memory/1960-166-0x000001FFDC660000-0x000001FFDC661000-memory.dmp

Filesize
4KB

Download
memory/1960-167-0x000001FFDC660000-0x000001FFDC661000-memory.dmp

Filesize
4KB

Download
memory/1960-168-0x000001FFDC660000-0x000001FFDC661000-memory.dmp

Filesize
4KB

Download