milleniumrat | e0338c845a876d585eceb084311e84f3becd6fa6f0851567ba2c5f00eeaf4ecf

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11/11/2024, 03:07

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
e0338c845a876d585eceb084311e84f3becd6fa6f0851567ba2c5f00eeaf4ecf.exe
Size 5.6MB
Sample241111-dmk44a1jcx
SHA256 e0338c845a876d585eceb084311e84f3becd6fa6f0851567ba2c5f00eeaf4ecf
MD5 3d3c49dd5d13a242b436e0a065cd6837
SHA1 e38a773ffa08452c449ca5a880d89cfad24b6f1b
SHA512 dd0e590310392b0543d47a2d24d55f6f091ba59acc0d7ea533039ffb48f1b8938587889bcfa19b0538a62ba26fcde2172253860ceab34af40fd7bf65b6587b00
SSDEEP 98304:nsl27OuKr+gvhf2U9Nzm31PMoslkqXf0FvUcwti78OqJ7TPBvc8X6UcR6s:nPOuK6mn9NzgMoYkSIvUcwti7TQlvciY
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

milleniumrat discovery persistence rat spyware stealer

Malware Config

Signatures

MilleniumRat
MilleniumRat is a remote access trojan written in C#.
rat stealer milleniumrat
Milleniumrat family
milleniumrat

Executes dropped EXE 1 IoCs

pid	Process
2632	Update.exe

Loads dropped DLL 2 IoCs

pid	Process
2844	e0338c845a876d585eceb084311e84f3becd6fa6f0851567ba2c5f00eeaf4ecf.exe
2632	Update.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\ChromeUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\GoogleChromeUpdateLog\\Update.exe"	reg.exe

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

Web Service

T1102

flow	ioc
7	raw.githubusercontent.com
10	raw.githubusercontent.com
6	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.

flow	ioc
4	ip-api.com

Enumerates processes with tasklist 1 TTPs 1 IoCs

discovery

Process Discovery

T1057

pid	Process
2664	tasklist.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
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

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

pid	Process
1884	timeout.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2044	reg.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2844	e0338c845a876d585eceb084311e84f3becd6fa6f0851567ba2c5f00eeaf4ecf.exe
2844	e0338c845a876d585eceb084311e84f3becd6fa6f0851567ba2c5f00eeaf4ecf.exe
2844	e0338c845a876d585eceb084311e84f3becd6fa6f0851567ba2c5f00eeaf4ecf.exe
2632	Update.exe
2632	Update.exe
2632	Update.exe
2632	Update.exe
2632	Update.exe
2632	Update.exe
2632	Update.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	e0338c845a876d585eceb084311e84f3becd6fa6f0851567ba2c5f00eeaf4ecf.exe
Token: SeDebugPrivilege	2664	tasklist.exe
Token: SeDebugPrivilege	2632	Update.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2632	Update.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 1996	2844	e0338c845a876d585eceb084311e84f3becd6fa6f0851567ba2c5f00eeaf4ecf.exe	29
PID 2844 wrote to memory of 1996	2844	e0338c845a876d585eceb084311e84f3becd6fa6f0851567ba2c5f00eeaf4ecf.exe	29
PID 2844 wrote to memory of 1996	2844	e0338c845a876d585eceb084311e84f3becd6fa6f0851567ba2c5f00eeaf4ecf.exe	29
PID 1996 wrote to memory of 2664	1996	cmd.exe	31
PID 1996 wrote to memory of 2664	1996	cmd.exe	31
PID 1996 wrote to memory of 2664	1996	cmd.exe	31
PID 1996 wrote to memory of 2652	1996	cmd.exe	32
PID 1996 wrote to memory of 2652	1996	cmd.exe	32
PID 1996 wrote to memory of 2652	1996	cmd.exe	32
PID 1996 wrote to memory of 1884	1996	cmd.exe	33
PID 1996 wrote to memory of 1884	1996	cmd.exe	33
PID 1996 wrote to memory of 1884	1996	cmd.exe	33
PID 1996 wrote to memory of 2632	1996	cmd.exe	34
PID 1996 wrote to memory of 2632	1996	cmd.exe	34
PID 1996 wrote to memory of 2632	1996	cmd.exe	34
PID 2632 wrote to memory of 2568	2632	Update.exe	37
PID 2632 wrote to memory of 2568	2632	Update.exe	37
PID 2632 wrote to memory of 2568	2632	Update.exe	37
PID 2568 wrote to memory of 2044	2568	cmd.exe	39
PID 2568 wrote to memory of 2044	2568	cmd.exe	39
PID 2568 wrote to memory of 2044	2568	cmd.exe	39
PID 2632 wrote to memory of 2180	2632	Update.exe	40
PID 2632 wrote to memory of 2180	2632	Update.exe	40
PID 2632 wrote to memory of 2180	2632	Update.exe	40

C:\Users\Admin\AppData\Local\Temp\e0338c845a876d585eceb084311e84f3becd6fa6f0851567ba2c5f00eeaf4ecf.exe
"C:\Users\Admin\AppData\Local\Temp\e0338c845a876d585eceb084311e84f3becd6fa6f0851567ba2c5f00eeaf4ecf.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpB847.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmpB847.tmp.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1996
- - C:\Windows\system32\tasklist.exe
    Tasklist /fi "PID eq 2844"
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2664
- - C:\Windows\system32\find.exe
    find ":"
    3⤵
    PID:2652
- - C:\Windows\system32\timeout.exe
    Timeout /T 1 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:1884
- - C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe
    "C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe"
    3⤵
    - 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:2632
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v ChromeUpdate /t REG_SZ /d C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2568
    - - C:\Windows\system32\reg.exe
        
        reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v ChromeUpdate /t REG_SZ /d C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe /f
        5⤵
        Adds Run key to start application
        Modifies registry key
        
        PID:2044
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2632 -s 1768
      4⤵
      PID:2180

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

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

Replay Monitor

Loading Replay Monitor...

Downloads

tmpB847.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpB847.tmp.bat
Size 256B
SHA256 320f77a227485cbd6098c3713d41101b15f3c70c8029c7b1c650073612617a33
MD5 209801139d95dd05d1549de59fd907aa
SHA1 bf9d6a0931c8e759ec90f454860fa4893ac28b24
SHA512 a0c9d9b2301dc1d8c7ed5a9405a60bb78c5744f83d6eed7a7ca233c5c0210823984d934f649b0055764de555132fe96509147f238366b1bdb8318cfab750b551
MD5 SHA1 SHA512

Submit Download

Update.exe

Path C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe
Size 5.6MB
SHA256 e0338c845a876d585eceb084311e84f3becd6fa6f0851567ba2c5f00eeaf4ecf
MD5 3d3c49dd5d13a242b436e0a065cd6837
SHA1 e38a773ffa08452c449ca5a880d89cfad24b6f1b
SHA512 dd0e590310392b0543d47a2d24d55f6f091ba59acc0d7ea533039ffb48f1b8938587889bcfa19b0538a62ba26fcde2172253860ceab34af40fd7bf65b6587b00
SSDEEP 98304:nsl27OuKr+gvhf2U9Nzm31PMoslkqXf0FvUcwti78OqJ7TPBvc8X6UcR6s:nPOuK6mn9NzgMoYkSIvUcwti7TQlvciY
MD5 SHA1 SHA512 SSDEEP

Submit Download

sqlite.interop.dll

Path \Users\Admin\AppData\Local\Temp\Costura\A54E036D2DCD19384E8EA53862E0DD8F\64\sqlite.interop.dll
Size 1.7MB
SHA256 aba67c7e6c01856838b8bc6b0ba95e864e1fdcb3750aa7cdc1bc73511cea6fe4
MD5 65ccd6ecb99899083d43f7c24eb8f869
SHA1 27037a9470cc5ed177c0b6688495f3a51996a023
SHA512 533900861fe36cf78b614d6a7ce741ff1172b41cbd5644b4a9542e6ca42702e6fbfb12f0fbaae8f5992320870a15e90b4f7bf180705fc9839db433413860be6d
SSDEEP 49152:c9EeNSPwEW3cFSI4Tfm3hvbHsjAJcAMkP3:c9Nzm31PMo3
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2632-14-0x0000000000850000-0x0000000000DF0000-memory.dmp

Download

memory/2632-17-0x000000001B530000-0x000000001B59A000-memory.dmp

Download

memory/2632-20-0x00000000026F0000-0x0000000002715000-memory.dmp

Download

memory/2632-21-0x000000001B710000-0x000000001B7C2000-memory.dmp

Download

memory/2632-22-0x000000001E110000-0x000000001E43E000-memory.dmp

Download

memory/2844-0-0x000007FEF5E13000-0x000007FEF5E14000-memory.dmp

Download

memory/2844-1-0x0000000000F90000-0x0000000001530000-memory.dmp

Download

memory/2844-6-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

Download

memory/2844-9-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

Download