epsilon | 8863f887505fb33aa29b652cb3f84999c63da172d917b96ea7958a869d508506

Analysis

max time kernel
151s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
21-03-2024 19:39

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General

Target

azkzkzz.exe
Size

168.4MB
MD5

5417c504368499446bdec5db1fc32084
SHA1

06f065023d2c7feb3b0d06165e71e90e5bb6f3f1
SHA256

a04e61c7d07593d8cd0981f1a209790df34a06ce2f6b8b1c3056da501a08734c
SHA512

ebf0ff91a80c5658b361a08511df95ae4356cf34d58721473c534cee889e2875687ffd5109b9b6a6d8932c1b7ff42ba2f3eaf1365b6d75036f2f3c9a21cb04bd
SSDEEP

1572864:OFMGWm9AKuVLWFivYPZ9eNo6pIaIPbDjK14DTbGWeUVXIHzzx9dbF5Zwa80aSesY:BGFWZoNaKDTopXz

Score

10^/10

epsilon persistence spyware stealer

Malware Config

Signatures

Epsilon Stealer
Information stealer.
stealer epsilon

Checks computer location settings 2 TTPs 1 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-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation	azkzkzz.exe

Loads dropped DLL 2 IoCs

pid	Process
4736	azkzkzz.exe
4736	azkzkzz.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsBootManager = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\Windows\\0\\WindowsBootManager.exe"	reg.exe

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
35	ipinfo.io
36	ipinfo.io

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
3876	WMIC.exe

Enumerates processes with tasklist 1 TTPs 2 IoCs

Process Discovery

T1057

pid	Process
1680	tasklist.exe
1424	tasklist.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1428	azkzkzz.exe
1428	azkzkzz.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4736	azkzkzz.exe
Token: SeCreatePagefilePrivilege	4736	azkzkzz.exe
Token: SeIncreaseQuotaPrivilege	1952	WMIC.exe
Token: SeSecurityPrivilege	1952	WMIC.exe
Token: SeTakeOwnershipPrivilege	1952	WMIC.exe
Token: SeLoadDriverPrivilege	1952	WMIC.exe
Token: SeSystemProfilePrivilege	1952	WMIC.exe
Token: SeSystemtimePrivilege	1952	WMIC.exe
Token: SeProfSingleProcessPrivilege	1952	WMIC.exe
Token: SeIncBasePriorityPrivilege	1952	WMIC.exe
Token: SeCreatePagefilePrivilege	1952	WMIC.exe
Token: SeBackupPrivilege	1952	WMIC.exe
Token: SeRestorePrivilege	1952	WMIC.exe
Token: SeShutdownPrivilege	1952	WMIC.exe
Token: SeDebugPrivilege	1952	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1952	WMIC.exe
Token: SeRemoteShutdownPrivilege	1952	WMIC.exe
Token: SeUndockPrivilege	1952	WMIC.exe
Token: SeManageVolumePrivilege	1952	WMIC.exe
Token: 33	1952	WMIC.exe
Token: 34	1952	WMIC.exe
Token: 35	1952	WMIC.exe
Token: 36	1952	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1952	WMIC.exe
Token: SeSecurityPrivilege	1952	WMIC.exe
Token: SeTakeOwnershipPrivilege	1952	WMIC.exe
Token: SeLoadDriverPrivilege	1952	WMIC.exe
Token: SeSystemProfilePrivilege	1952	WMIC.exe
Token: SeSystemtimePrivilege	1952	WMIC.exe
Token: SeProfSingleProcessPrivilege	1952	WMIC.exe
Token: SeIncBasePriorityPrivilege	1952	WMIC.exe
Token: SeCreatePagefilePrivilege	1952	WMIC.exe
Token: SeBackupPrivilege	1952	WMIC.exe
Token: SeRestorePrivilege	1952	WMIC.exe
Token: SeShutdownPrivilege	1952	WMIC.exe
Token: SeDebugPrivilege	1952	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1952	WMIC.exe
Token: SeRemoteShutdownPrivilege	1952	WMIC.exe
Token: SeUndockPrivilege	1952	WMIC.exe
Token: SeManageVolumePrivilege	1952	WMIC.exe
Token: 33	1952	WMIC.exe
Token: 34	1952	WMIC.exe
Token: 35	1952	WMIC.exe
Token: 36	1952	WMIC.exe
Token: SeDebugPrivilege	1680	tasklist.exe
Token: SeShutdownPrivilege	4736	azkzkzz.exe
Token: SeCreatePagefilePrivilege	4736	azkzkzz.exe
Token: SeIncreaseQuotaPrivilege	4948	WMIC.exe
Token: SeSecurityPrivilege	4948	WMIC.exe
Token: SeTakeOwnershipPrivilege	4948	WMIC.exe
Token: SeLoadDriverPrivilege	4948	WMIC.exe
Token: SeSystemProfilePrivilege	4948	WMIC.exe
Token: SeSystemtimePrivilege	4948	WMIC.exe
Token: SeProfSingleProcessPrivilege	4948	WMIC.exe
Token: SeIncBasePriorityPrivilege	4948	WMIC.exe
Token: SeCreatePagefilePrivilege	4948	WMIC.exe
Token: SeBackupPrivilege	4948	WMIC.exe
Token: SeRestorePrivilege	4948	WMIC.exe
Token: SeShutdownPrivilege	4948	WMIC.exe
Token: SeDebugPrivilege	4948	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4948	WMIC.exe
Token: SeRemoteShutdownPrivilege	4948	WMIC.exe
Token: SeUndockPrivilege	4948	WMIC.exe
Token: SeManageVolumePrivilege	4948	WMIC.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4736 wrote to memory of 3264	4736	azkzkzz.exe	93
PID 4736 wrote to memory of 3264	4736	azkzkzz.exe	93
PID 3264 wrote to memory of 1952	3264	cmd.exe	95
PID 3264 wrote to memory of 1952	3264	cmd.exe	95
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 1220	4736	azkzkzz.exe	96
PID 4736 wrote to memory of 3188	4736	azkzkzz.exe	97
PID 4736 wrote to memory of 3188	4736	azkzkzz.exe	97
PID 4736 wrote to memory of 3496	4736	azkzkzz.exe	100
PID 4736 wrote to memory of 3496	4736	azkzkzz.exe	100
PID 4736 wrote to memory of 4176	4736	azkzkzz.exe	102
PID 4736 wrote to memory of 4176	4736	azkzkzz.exe	102
PID 4736 wrote to memory of 3424	4736	azkzkzz.exe	103
PID 4736 wrote to memory of 3424	4736	azkzkzz.exe	103
PID 3496 wrote to memory of 3352	3496	cmd.exe	106
PID 3496 wrote to memory of 3352	3496	cmd.exe	106
PID 3424 wrote to memory of 1680	3424	cmd.exe	107
PID 3424 wrote to memory of 1680	3424	cmd.exe	107
PID 4176 wrote to memory of 1428	4176	cmd.exe	108
PID 4176 wrote to memory of 1428	4176	cmd.exe	108
PID 4736 wrote to memory of 1352	4736	azkzkzz.exe	109
PID 4736 wrote to memory of 1352	4736	azkzkzz.exe	109
PID 1352 wrote to memory of 4948	1352	cmd.exe	111
PID 1352 wrote to memory of 4948	1352	cmd.exe	111
PID 4736 wrote to memory of 4276	4736	azkzkzz.exe	112
PID 4736 wrote to memory of 4276	4736	azkzkzz.exe	112
PID 4276 wrote to memory of 3876	4276	cmd.exe	114
PID 4276 wrote to memory of 3876	4276	cmd.exe	114
PID 4736 wrote to memory of 2368	4736	azkzkzz.exe	115
PID 4736 wrote to memory of 2368	4736	azkzkzz.exe	115
PID 2368 wrote to memory of 4312	2368	cmd.exe	117
PID 2368 wrote to memory of 4312	2368	cmd.exe	117
PID 4312 wrote to memory of 2308	4312	cmd.exe	118
PID 4312 wrote to memory of 2308	4312	cmd.exe	118
PID 2368 wrote to memory of 2488	2368	cmd.exe	119
PID 2368 wrote to memory of 2488	2368	cmd.exe	119

C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe
"C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4736
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "wmic CsProduct Get UUID"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3264
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic CsProduct Get UUID
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1952
- C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe
  "C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\azkzkzz" --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1752 --field-trial-handle=1756,i,9625712404918172643,4480492743445860688,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:2
  2⤵
  PID:1220
- C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe
  "C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\azkzkzz" --mojo-platform-channel-handle=2292 --field-trial-handle=1756,i,9625712404918172643,4480492743445860688,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:3
  2⤵
  PID:3188
- 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⤵
  - Suspicious use of WriteProcessMemory
  PID:3496
- - C:\Windows\system32\reg.exe
    C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions"
    3⤵
    PID:3352
- 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⤵
  - Suspicious use of WriteProcessMemory
  PID:4176
- - C:\Windows\system32\reg.exe
    C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath
    3⤵
    PID:1428
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "tasklist"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3424
- - C:\Windows\system32\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1680
- 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⤵
  - Suspicious use of WriteProcessMemory
  PID:1352
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4948
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "wmic path win32_VideoController get name"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4276
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic path win32_VideoController get name
    3⤵
    - Detects videocard installed
    PID:3876
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "cmd /c chcp 65001>nul && netsh wlan show profiles"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\system32\cmd.exe
    cmd /c chcp 65001
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4312
  - - C:\Windows\system32\chcp.com
      chcp 65001
      4⤵
      PID:2308
- - C:\Windows\system32\netsh.exe
    netsh wlan show profiles
    3⤵
    PID:2488
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "C:\Windows\system32\reg.exe ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v WindowsBootManager /t REG_SZ /d C:\Users\Admin\AppData\Local\Microsoft\Windows\0\WindowsBootManager.exe /f"
  2⤵
  PID:3752
- - C:\Windows\system32\reg.exe
    C:\Windows\system32\reg.exe ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v WindowsBootManager /t REG_SZ /d C:\Users\Admin\AppData\Local\Microsoft\Windows\0\WindowsBootManager.exe /f
    3⤵
    - Adds Run key to start application
    PID:3264
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "tasklist"
  2⤵
  PID:2756
- - C:\Windows\system32\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    PID:1424
- C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe
  "C:\Users\Admin\AppData\Local\Temp\azkzkzz.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\azkzkzz" --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=2524 --field-trial-handle=1756,i,9625712404918172643,4480492743445860688,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Process Discovery

T1057

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\Web Data

Filesize
116KB

MD5
f70aa3fa04f0536280f872ad17973c3d

SHA1
50a7b889329a92de1b272d0ecf5fce87395d3123

SHA256
8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8

SHA512
30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

Download Submit
C:\Users\Admin\AppData\Local\Temp\a0e06487-643e-448c-ac61-433c771ca0c4.tmp.node

Filesize
126KB

MD5
6a5fa8f6cf9fc7c958172a82984c3c95

SHA1
593f97e8d05a5415f9ebde9fd63093a52c62aa94

SHA256
affeacd41ee589f4915998c242fd1fa063395354259b3c642730e360910b3961

SHA512
a86e823421fa0ba2217398d0bc92d3d737130785d96b5c6a4952eaa09161baf5a6f9db6d18ba792a73941b4032c09100f78f1090163c6c932455ce1b6c51165e

Download Submit
C:\Users\Admin\AppData\Local\Temp\d906698b-da87-4073-bec2-fa4989c484e8.tmp.node

Filesize
1.6MB

MD5
0bf1d85322f9209e43bc20b1b1c359bc

SHA1
f1b27003420a4a5c2ea1f0cb57a49087903264f8

SHA256
2b3a468813b7288751e8a0883423162c1a69d27d3640bcd7dd797f7686f44312

SHA512
54060afd79fe093658f7a4e2148312648ea083a3347181ba6ea877f2b30f9f0704e7ef16f6cfcd3c6f594b5ed9c2f348d795ad57b7f502530dabf2ae74fef71d

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

Filesize
231B

MD5
dec2be4f1ec3592cea668aa279e7cc9b

SHA1
327cf8ab0c895e10674e00ea7f437784bb11d718

SHA256
753b99d2b4e8c58bfd10995d0c2c19255fe9c8f53703bb27d1b6f76f1f4e83cc

SHA512
81728e3d31b72905b3a09c79d1e307c4e8e79d436fcfe7560a8046b46ca4ae994fdfaeb1bc2328e35f418b8128f2e7239289e84350e142146df9cde86b20bb66

Download Submit
memory/1428-65-0x00000208C7C90000-0x00000208C7C91000-memory.dmp

Filesize
4KB

Download
memory/1428-66-0x00000208C7C90000-0x00000208C7C91000-memory.dmp

Filesize
4KB

Download
memory/1428-64-0x00000208C7C90000-0x00000208C7C91000-memory.dmp

Filesize
4KB

Download
memory/1428-71-0x00000208C7C90000-0x00000208C7C91000-memory.dmp

Filesize
4KB

Download
memory/1428-70-0x00000208C7C90000-0x00000208C7C91000-memory.dmp

Filesize
4KB

Download
memory/1428-72-0x00000208C7C90000-0x00000208C7C91000-memory.dmp

Filesize
4KB

Download
memory/1428-73-0x00000208C7C90000-0x00000208C7C91000-memory.dmp

Filesize
4KB

Download
memory/1428-75-0x00000208C7C90000-0x00000208C7C91000-memory.dmp

Filesize
4KB

Download
memory/1428-74-0x00000208C7C90000-0x00000208C7C91000-memory.dmp

Filesize
4KB

Download
memory/1428-76-0x00000208C7C90000-0x00000208C7C91000-memory.dmp

Filesize
4KB

Download