919b8906dc891e3dec2883b47a3cacbdc304482e2efa1edb44c4a2d641e8e302

Analysis

max time kernel
299s
max time network
303s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
26-05-2024 07:23

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General

Target

888-RAT [Lifetime Activated]/data/user-interface.exe
Size

5.6MB
MD5

b8703418e6c3d1ccd83b8d178ab9f4c9
SHA1

6fb0e1e0ee5bc745f52a1c29e3cf4b88a2298dd6
SHA256

d6e9972976881d3dad7ac2a0c66cd7dd81420908aae8b00195a02fdf756cfc5e
SHA512

75ff6e911691e3d0d32c25d4b6d275a2b6157dae418ce5507f3e3f1b321c3f0dee516b7db0fd6588860019a19862f43c5335c465829de7a418a71999b71cfc3f
SSDEEP

98304:sbl27OuKr+gvhf2U9Nzm31PMoslkqXf0FvUcwti78OqJ7TPBvc8X6Ucf:s6OuK6mn9NzgMoYkSIvUcwti7TQlvciA

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

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

Processes:

user-interface.exeUpdate.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	user-interface.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	Update.exe

Executes dropped EXE 1 IoCs

Processes:

Update.exe

pid	Process
2228	Update.exe

Loads dropped DLL 2 IoCs

Processes:

user-interface.exeUpdate.exe

pid	Process
4332	user-interface.exe
2228	Update.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

Processes:

reg.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ChromeUpdater = "C:\\Users\\Admin\\AppData\\Roaming\\GoogleChromeUpdateLogger\\Update.exe"	reg.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

Processes:

flow	ioc
22	raw.githubusercontent.com
23	raw.githubusercontent.com
35	raw.githubusercontent.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow	ioc
5	ip-api.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Update.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	Update.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Update.exe

Delays execution with timeout.exe 1 IoCs

evasion

Processes:

timeout.exe

pid	Process
672	timeout.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

Processes:

tasklist.exe

pid	Process
3484	tasklist.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

Processes:

reg.exe

pid	Process
372	reg.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

user-interface.exeUpdate.exe

pid	Process
4332	user-interface.exe
4332	user-interface.exe
4332	user-interface.exe
4332	user-interface.exe
4332	user-interface.exe
4332	user-interface.exe
4332	user-interface.exe
4332	user-interface.exe
4332	user-interface.exe
4332	user-interface.exe
4332	user-interface.exe
4332	user-interface.exe
4332	user-interface.exe
4332	user-interface.exe
4332	user-interface.exe
4332	user-interface.exe
4332	user-interface.exe
4332	user-interface.exe
4332	user-interface.exe
4332	user-interface.exe
4332	user-interface.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe
2228	Update.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

user-interface.exetasklist.exeUpdate.exe

description	pid	Process
Token: SeDebugPrivilege	4332	user-interface.exe
Token: SeDebugPrivilege	3484	tasklist.exe
Token: SeDebugPrivilege	2228	Update.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Update.exe

pid	Process
2228	Update.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

user-interface.execmd.exeUpdate.execmd.exe

description	pid	Process	procid_target
PID 4332 wrote to memory of 4616	4332	user-interface.exe	91
PID 4332 wrote to memory of 4616	4332	user-interface.exe	91
PID 4616 wrote to memory of 3484	4616	cmd.exe	93
PID 4616 wrote to memory of 3484	4616	cmd.exe	93
PID 4616 wrote to memory of 784	4616	cmd.exe	94
PID 4616 wrote to memory of 784	4616	cmd.exe	94
PID 4616 wrote to memory of 672	4616	cmd.exe	95
PID 4616 wrote to memory of 672	4616	cmd.exe	95
PID 4616 wrote to memory of 2228	4616	cmd.exe	97
PID 4616 wrote to memory of 2228	4616	cmd.exe	97
PID 2228 wrote to memory of 4872	2228	Update.exe	100
PID 2228 wrote to memory of 4872	2228	Update.exe	100
PID 4872 wrote to memory of 372	4872	cmd.exe	102
PID 4872 wrote to memory of 372	4872	cmd.exe	102

C:\Users\Admin\AppData\Local\Temp\888-RAT [Lifetime Activated]\data\user-interface.exe
"C:\Users\Admin\AppData\Local\Temp\888-RAT [Lifetime Activated]\data\user-interface.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4332
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp5554.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp5554.tmp.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4616
- - C:\Windows\system32\tasklist.exe
    Tasklist /fi "PID eq 4332"
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:3484
- - C:\Windows\system32\find.exe
    find ":"
    3⤵
    PID:784
- - C:\Windows\system32\timeout.exe
    Timeout /T 1 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:672
- - C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLogger\Update.exe
    "C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLogger\Update.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2228
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v ChromeUpdater /t REG_SZ /d C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLogger\Update.exe /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4872
    - - C:\Windows\system32\reg.exe
        
        reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v ChromeUpdater /t REG_SZ /d C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLogger\Update.exe /f
        5⤵
        Adds Run key to start application
        Modifies registry key
        
        PID:372

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

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Costura\A54E036D2DCD19384E8EA53862E0DD8F\64\sqlite.interop.dll

Filesize
1.7MB

MD5
65ccd6ecb99899083d43f7c24eb8f869

SHA1
27037a9470cc5ed177c0b6688495f3a51996a023

SHA256
aba67c7e6c01856838b8bc6b0ba95e864e1fdcb3750aa7cdc1bc73511cea6fe4

SHA512
533900861fe36cf78b614d6a7ce741ff1172b41cbd5644b4a9542e6ca42702e6fbfb12f0fbaae8f5992320870a15e90b4f7bf180705fc9839db433413860be6d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5554.tmp.bat

Filesize
288B

MD5
45cf3ede923e93b8458dc651a22b45c2

SHA1
2b08069ddd4e46d1af31edf7f4f1a9ffce7d9a05

SHA256
d3d3d89817d3c1110e3b97677d1c2331575fa65384654a2f2fe4072f9cabd092

SHA512
e8c2a53c06122bf0db4f7918ca38ee7ae376543ffad5b2456065240ecff5a7e1dbc96bccbebd8539224cdad0e6186a4380066f9fd800b8e38e2d88e24ede9ad9

Download Submit
C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLogger\Update.exe

Filesize
5.6MB

MD5
b8703418e6c3d1ccd83b8d178ab9f4c9

SHA1
6fb0e1e0ee5bc745f52a1c29e3cf4b88a2298dd6

SHA256
d6e9972976881d3dad7ac2a0c66cd7dd81420908aae8b00195a02fdf756cfc5e

SHA512
75ff6e911691e3d0d32c25d4b6d275a2b6157dae418ce5507f3e3f1b321c3f0dee516b7db0fd6588860019a19862f43c5335c465829de7a418a71999b71cfc3f

Download Submit
memory/2228-23-0x000001D0AD070000-0x000001D0AD0C0000-memory.dmp

Filesize
320KB

Download
memory/2228-24-0x000001D0AD020000-0x000001D0AD042000-memory.dmp

Filesize
136KB

Download
memory/2228-45-0x000001D0AD100000-0x000001D0AD112000-memory.dmp

Filesize
72KB

Download
memory/2228-27-0x000001D094270000-0x000001D094296000-memory.dmp

Filesize
152KB

Download
memory/2228-26-0x000001D0AD140000-0x000001D0AD17A000-memory.dmp

Filesize
232KB

Download
memory/2228-22-0x000001D0ACF70000-0x000001D0AD022000-memory.dmp

Filesize
712KB

Download
memory/2228-19-0x000001D0942A0000-0x000001D0942AA000-memory.dmp

Filesize
40KB

Download
memory/2228-20-0x000001D0ACD00000-0x000001D0ACD6A000-memory.dmp

Filesize
424KB

Download
memory/4332-1-0x0000026A702E0000-0x0000026A70880000-memory.dmp

Filesize
5.6MB

Download
memory/4332-0-0x00007FFDD1883000-0x00007FFDD1885000-memory.dmp

Filesize
8KB

Download
memory/4332-7-0x00007FFDD1880000-0x00007FFDD2341000-memory.dmp

Filesize
10.8MB

Download
memory/4332-6-0x0000026A725F0000-0x0000026A72666000-memory.dmp

Filesize
472KB

Download
memory/4332-12-0x00007FFDD1880000-0x00007FFDD2341000-memory.dmp

Filesize
10.8MB

Download
memory/4332-8-0x0000026A72590000-0x0000026A725AE000-memory.dmp

Filesize
120KB

Download