milleniumrat | 11e21fbd77f65c83f97c0c2b38c8cd394d5c96fe780188e5c94d400346b49798

Resubmissions

01-03-2024 15:41

240301-s46jpahe82 10

20-02-2024 02:32

240220-c1ct7sab38 10

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
20-02-2024 02:32

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Report Analysis Logs

General

Target

db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
Size

5.6MB
MD5

731812403191b60503e017d88e23b1a3
SHA1

67e1c24ded75620181916dea9654eeddf4049525
SHA256

db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2
SHA512

1ae78e7d5e134d56ebbe9ec3e71bd7529aedbe5670a93b7728eca0aa482ac6688187884c5a61c2c8ef308acda555152d4d5cd2938d1cfa57303a8649803f01d5
SSDEEP

98304:nsl27OuKr+gvhf2U9Nzm31PMoslkqXf0FvUcwti78OqJ7TPBvc8X6UcR6m:nPOuK6mn9NzgMoYkSIvUcwti7TQlvciK

Score

10^/10

milleniumrat persistence rat stealer

Malware Config

Signatures

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

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-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation	Update.exe

Executes dropped EXE 1 IoCs

pid	Process
4556	Update.exe

Loads dropped DLL 2 IoCs

pid	Process
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
4556	Update.exe

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-1-5-21-3336304223-2978740688-3645194410-1000\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
11	raw.githubusercontent.com
13	raw.githubusercontent.com
23	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
5	ip-api.com

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4940	timeout.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2132	tasklist.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1136	reg.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe
4556	Update.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
Token: SeDebugPrivilege	2132	tasklist.exe
Token: SeDebugPrivilege	4556	Update.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4556	Update.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 4180	2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe	85
PID 2088 wrote to memory of 4180	2088	db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe	85
PID 4180 wrote to memory of 2132	4180	cmd.exe	87
PID 4180 wrote to memory of 2132	4180	cmd.exe	87
PID 4180 wrote to memory of 3516	4180	cmd.exe	88
PID 4180 wrote to memory of 3516	4180	cmd.exe	88
PID 4180 wrote to memory of 4940	4180	cmd.exe	89
PID 4180 wrote to memory of 4940	4180	cmd.exe	89
PID 4180 wrote to memory of 4556	4180	cmd.exe	90
PID 4180 wrote to memory of 4556	4180	cmd.exe	90
PID 4556 wrote to memory of 2788	4556	Update.exe	94
PID 4556 wrote to memory of 2788	4556	Update.exe	94
PID 2788 wrote to memory of 1136	2788	cmd.exe	96
PID 2788 wrote to memory of 1136	2788	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
"C:\Users\Admin\AppData\Local\Temp\db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp828E.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp828E.tmp.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4180
- - C:\Windows\system32\tasklist.exe
    Tasklist /fi "PID eq 2088"
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2132
- - C:\Windows\system32\find.exe
    find ":"
    3⤵
    PID:3516
- - C:\Windows\system32\timeout.exe
    Timeout /T 1 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:4940
- - C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe
    "C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4556
  - - 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:2788
    - - 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:1136

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

Discovery

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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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\tmp828E.tmp.bat

Filesize
256B

MD5
3eb690ca690c03dc67e02ccd216db36d

SHA1
4bddbabf7ba7cb4a35282255866124d871387bf0

SHA256
71f803827008f3948862e9aa86b98335a41a20eb9ad35bfccfcff1808e9bfef7

SHA512
f22e85c3ea2bc2725fe511f3cbd541330ea5b434fff5957f40f8871f2bbbfb0740aaaa7a7a6d00d9cf2bbb18ef02b9f64d6eeaf143d8d4dfc9a99c528f409d61

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

Filesize
1.4MB

MD5
32766b3644e5648eac3cb3e490a3ac12

SHA1
8d8283e034bf10e71fc61cecf52a829cf25aa2e0

SHA256
443ae2916230264161c44d30c2ead07be4cb395e9137c9650cc63d2db7a899ad

SHA512
8fb94a3f345336f381129e1cfbeca9f8467949fd593360b0912df8ef827adace5f9322dbd97a0d90d29d288edf07748402810b549e6082e658a6e4f9274c7d80

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

Filesize
896KB

MD5
ea7c3b637166567dad903baf077900b1

SHA1
fca3a65a3b5a5cb74a152f2c31d8932c33be1ebc

SHA256
a2479abcc63d8d451b1cf958c517c2681f3c26a45f2928c01053aed67961d5de

SHA512
d8120f4ad55f9de497f461cbee8a5a3d53263a8a5430ac23f8d5ec71e19d15350538e46529b508081ee4658f8cd64e4b89418adcbbd433009eeaa7417aba364a

Download Submit
memory/2088-7-0x0000020DFC0B0000-0x0000020DFC0C0000-memory.dmp

Filesize
64KB

Download
memory/2088-8-0x0000020DFB6C0000-0x0000020DFB6DE000-memory.dmp

Filesize
120KB

Download
memory/2088-6-0x00007FF8064A0000-0x00007FF806F61000-memory.dmp

Filesize
10.8MB

Download
memory/2088-13-0x00007FF8064A0000-0x00007FF806F61000-memory.dmp

Filesize
10.8MB

Download
memory/2088-5-0x0000020DFBEE0000-0x0000020DFBF56000-memory.dmp

Filesize
472KB

Download
memory/2088-0-0x0000020DF9420000-0x0000020DF99C0000-memory.dmp

Filesize
5.6MB

Download
memory/4556-17-0x00007FF8064A0000-0x00007FF806F61000-memory.dmp

Filesize
10.8MB

Download
memory/4556-20-0x00000257B9C90000-0x00000257B9CA0000-memory.dmp

Filesize
64KB

Download
memory/4556-21-0x00007FF8064A0000-0x00007FF806F61000-memory.dmp

Filesize
10.8MB

Download
memory/4556-22-0x00000257B9C90000-0x00000257B9CA0000-memory.dmp

Filesize
64KB

Download