milleniumrat | 6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e

Resubmissions

06-11-2023 13:20

231106-qlacesbc9s 10

17-10-2023 02:20

231017-csxjmsgg7s 7

Analysis

max time kernel
41s
max time network
26s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
06-11-2023 13:20

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General

Target

6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e.exe
Size

5.3MB
MD5

eba4be8ed0e9282976f8ee0b04fb2474
SHA1

f4d698ece0ff6af36c1a2e9108ea475518df0aa7
SHA256

6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e
SHA512

cbce4f46440f948f7fa4cf502df86a54f4a5aa76afa469fa26187fdbaab63781ceffab31f1178fce21ccf57d159e4527494758c42c55b25ce5fa1c2fc6f0a84b
SSDEEP

98304:g4VEl27OuKr+gvhf2Z9Nzm31PMogNuSZTKA0t9FFPEzlkqXf0FKp806UcR:guXOuK6mq9NzgMoIbk9fcpkSIKpb6UcR

Score

10^/10

milleniumrat persistence rat spyware stealer

Malware Config

Extracted

Family

milleniumrat

https://api.telegram.org/bot6597086550:AAH-iMklHZd9G4OC7i-qH_lJ-F4S0eEVjPM/sendMessage?chat_id=2024893777

Signatures

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

Deletes itself 1 IoCs

pid	Process
2704	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2384	Update.exe

Loads dropped DLL 4 IoCs

pid	Process
3048	6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e.exe
3048	6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e.exe
2384	Update.exe
2384	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 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows\CurrentVersion\Run\ChromeUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\GoogleChromeUpdateLog\\Update.exe"	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows\CurrentVersion\Run\ChromeUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\GoogleChromeUpdateLog\\Update.exe"	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows\CurrentVersion\Run\ChromeUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\GoogleChromeUpdateLog\\Update.exe"	reg.exe

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
2	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

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
3036	timeout.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2588	tasklist.exe

Modifies registry key 1 TTPs 6 IoCs

Modify Registry

T1112

pid	Process
2644	reg.exe
2564	reg.exe
1984	reg.exe
112	reg.exe
660	reg.exe
2752	reg.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
3048	6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e.exe
3048	6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e.exe
3048	6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e.exe
2384	Update.exe
2384	Update.exe
2384	Update.exe
2384	Update.exe
2384	Update.exe
2384	Update.exe
2384	Update.exe
2384	Update.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3048	6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e.exe
Token: SeDebugPrivilege	2588	tasklist.exe
Token: SeDebugPrivilege	2384	Update.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2384	Update.exe

Suspicious use of WriteProcessMemory 54 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2212	3048	6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e.exe	29
PID 3048 wrote to memory of 2212	3048	6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e.exe	29
PID 3048 wrote to memory of 2212	3048	6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e.exe	29
PID 3048 wrote to memory of 2148	3048	6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e.exe	31
PID 3048 wrote to memory of 2148	3048	6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e.exe	31
PID 3048 wrote to memory of 2148	3048	6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e.exe	31
PID 3048 wrote to memory of 2704	3048	6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e.exe	32
PID 3048 wrote to memory of 2704	3048	6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e.exe	32
PID 3048 wrote to memory of 2704	3048	6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e.exe	32
PID 2212 wrote to memory of 2752	2212	cmd.exe	35
PID 2212 wrote to memory of 2752	2212	cmd.exe	35
PID 2212 wrote to memory of 2752	2212	cmd.exe	35
PID 2148 wrote to memory of 2644	2148	cmd.exe	36
PID 2148 wrote to memory of 2644	2148	cmd.exe	36
PID 2148 wrote to memory of 2644	2148	cmd.exe	36
PID 2704 wrote to memory of 2588	2704	cmd.exe	37
PID 2704 wrote to memory of 2588	2704	cmd.exe	37
PID 2704 wrote to memory of 2588	2704	cmd.exe	37
PID 2704 wrote to memory of 2584	2704	cmd.exe	38
PID 2704 wrote to memory of 2584	2704	cmd.exe	38
PID 2704 wrote to memory of 2584	2704	cmd.exe	38
PID 2704 wrote to memory of 3036	2704	cmd.exe	39
PID 2704 wrote to memory of 3036	2704	cmd.exe	39
PID 2704 wrote to memory of 3036	2704	cmd.exe	39
PID 2704 wrote to memory of 2384	2704	cmd.exe	40
PID 2704 wrote to memory of 2384	2704	cmd.exe	40
PID 2704 wrote to memory of 2384	2704	cmd.exe	40
PID 2384 wrote to memory of 2924	2384	Update.exe	41
PID 2384 wrote to memory of 2924	2384	Update.exe	41
PID 2384 wrote to memory of 2924	2384	Update.exe	41
PID 2384 wrote to memory of 3012	2384	Update.exe	43
PID 2384 wrote to memory of 3012	2384	Update.exe	43
PID 2384 wrote to memory of 3012	2384	Update.exe	43
PID 2924 wrote to memory of 2564	2924	cmd.exe	45
PID 2924 wrote to memory of 2564	2924	cmd.exe	45
PID 2924 wrote to memory of 2564	2924	cmd.exe	45
PID 3012 wrote to memory of 1984	3012	cmd.exe	46
PID 3012 wrote to memory of 1984	3012	cmd.exe	46
PID 3012 wrote to memory of 1984	3012	cmd.exe	46
PID 2384 wrote to memory of 2000	2384	Update.exe	47
PID 2384 wrote to memory of 2000	2384	Update.exe	47
PID 2384 wrote to memory of 2000	2384	Update.exe	47
PID 2384 wrote to memory of 1880	2384	Update.exe	48
PID 2384 wrote to memory of 1880	2384	Update.exe	48
PID 2384 wrote to memory of 1880	2384	Update.exe	48
PID 1880 wrote to memory of 112	1880	cmd.exe	51
PID 1880 wrote to memory of 112	1880	cmd.exe	51
PID 1880 wrote to memory of 112	1880	cmd.exe	51
PID 2000 wrote to memory of 660	2000	cmd.exe	52
PID 2000 wrote to memory of 660	2000	cmd.exe	52
PID 2000 wrote to memory of 660	2000	cmd.exe	52
PID 2384 wrote to memory of 1480	2384	Update.exe	53
PID 2384 wrote to memory of 1480	2384	Update.exe	53
PID 2384 wrote to memory of 1480	2384	Update.exe	53

C:\Users\Admin\AppData\Local\Temp\6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e.exe
"C:\Users\Admin\AppData\Local\Temp\6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg delete HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v ChromeUpdate /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2212
- - C:\Windows\system32\reg.exe
    reg delete HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v ChromeUpdate /f
    3⤵
    - Modifies registry key
    PID:2752
- 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
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2148
- - 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
    3⤵
    - Adds Run key to start application
    - Modifies registry key
    PID:2644
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp4EBC.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp4EBC.tmp.bat
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Windows\system32\tasklist.exe
    Tasklist /fi "PID eq 3048"
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2588
- - C:\Windows\system32\find.exe
    find ":"
    3⤵
    PID:2584
- - C:\Windows\system32\timeout.exe
    Timeout /T 1 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:3036
- - 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:2384
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg delete HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v ChromeUpdate /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2924
    - - C:\Windows\system32\reg.exe
        
        reg delete HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v ChromeUpdate /f
        5⤵
        Modifies registry key
        
        PID:2564
  - - 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:3012
    - - 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:1984
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg delete HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v ChromeUpdate /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2000
    - - C:\Windows\system32\reg.exe
        
        reg delete HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v ChromeUpdate /f
        5⤵
        Modifies registry key
        
        PID:660
  - - 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:1880
    - - 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:112
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2384 -s 1988
      4⤵
      PID:1480

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\Costura\FA5FCDD5F58DD12E4C4C86CEAB16005F\64\sni.dll

Filesize
156KB

MD5
7f1799b65b98450a19e4d049e9d3e70d

SHA1
ec80c5a33374423a9e986c383a36a97da70a3584

SHA256
68705c4ef9ab818f2956a78e05f3fefce501a1448793b073b46110beb49b47d6

SHA512
8d67297c5cded487c88fcaad5a36e80926dad8f1863e38f397751056f51258ac7b5a9e5c09c01bba7a224f38fb2ee719586faf0ba81516e05a19649eb09e7b78

Download Submit
C:\Users\Admin\AppData\Local\Temp\Costura\FA5FCDD5F58DD12E4C4C86CEAB16005F\64\sqlite.interop.dll

Filesize
1.7MB

MD5
65ccd6ecb99899083d43f7c24eb8f869

SHA1
27037a9470cc5ed177c0b6688495f3a51996a023

SHA256
aba67c7e6c01856838b8bc6b0ba95e864e1fdcb3750aa7cdc1bc73511cea6fe4

SHA512
533900861fe36cf78b614d6a7ce741ff1172b41cbd5644b4a9542e6ca42702e6fbfb12f0fbaae8f5992320870a15e90b4f7bf180705fc9839db433413860be6d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4EBC.tmp.bat

Filesize
332B

MD5
f7182fc029549845e7b6af56987906a5

SHA1
3cf5aae2bef100420d268d86fe0efc6c0b545ae5

SHA256
33334a561cd161753441f963bf56b685ce7ddb8008656203c2a8ac842d880ad0

SHA512
1a3ea7ef56d7ed41c5c33728d48817dba5fe8eac719457694fd09c5103e2c3b6a46f66ce15db0301d9591ac1d2e64fedf45667b0c65de2c16c3e44b68a2fa9e2

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

Filesize
5.3MB

MD5
eba4be8ed0e9282976f8ee0b04fb2474

SHA1
f4d698ece0ff6af36c1a2e9108ea475518df0aa7

SHA256
6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e

SHA512
cbce4f46440f948f7fa4cf502df86a54f4a5aa76afa469fa26187fdbaab63781ceffab31f1178fce21ccf57d159e4527494758c42c55b25ce5fa1c2fc6f0a84b

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

Filesize
5.3MB

MD5
eba4be8ed0e9282976f8ee0b04fb2474

SHA1
f4d698ece0ff6af36c1a2e9108ea475518df0aa7

SHA256
6d207c1e954f9d60f693e17e63df73fb8e954d02544b5d52b8b18c4ab86a267e

SHA512
cbce4f46440f948f7fa4cf502df86a54f4a5aa76afa469fa26187fdbaab63781ceffab31f1178fce21ccf57d159e4527494758c42c55b25ce5fa1c2fc6f0a84b

Download Submit
\Users\Admin\AppData\Local\Temp\Costura\FA5FCDD5F58DD12E4C4C86CEAB16005F\64\sni.dll

Filesize
156KB

MD5
7f1799b65b98450a19e4d049e9d3e70d

SHA1
ec80c5a33374423a9e986c383a36a97da70a3584

SHA256
68705c4ef9ab818f2956a78e05f3fefce501a1448793b073b46110beb49b47d6

SHA512
8d67297c5cded487c88fcaad5a36e80926dad8f1863e38f397751056f51258ac7b5a9e5c09c01bba7a224f38fb2ee719586faf0ba81516e05a19649eb09e7b78

Download Submit
\Users\Admin\AppData\Local\Temp\Costura\FA5FCDD5F58DD12E4C4C86CEAB16005F\64\sni.dll

Filesize
156KB

MD5
7f1799b65b98450a19e4d049e9d3e70d

SHA1
ec80c5a33374423a9e986c383a36a97da70a3584

SHA256
68705c4ef9ab818f2956a78e05f3fefce501a1448793b073b46110beb49b47d6

SHA512
8d67297c5cded487c88fcaad5a36e80926dad8f1863e38f397751056f51258ac7b5a9e5c09c01bba7a224f38fb2ee719586faf0ba81516e05a19649eb09e7b78

Download Submit
\Users\Admin\AppData\Local\Temp\Costura\FA5FCDD5F58DD12E4C4C86CEAB16005F\64\sqlite.interop.dll

Filesize
1.7MB

MD5
65ccd6ecb99899083d43f7c24eb8f869

SHA1
27037a9470cc5ed177c0b6688495f3a51996a023

SHA256
aba67c7e6c01856838b8bc6b0ba95e864e1fdcb3750aa7cdc1bc73511cea6fe4

SHA512
533900861fe36cf78b614d6a7ce741ff1172b41cbd5644b4a9542e6ca42702e6fbfb12f0fbaae8f5992320870a15e90b4f7bf180705fc9839db433413860be6d

Download Submit
\Users\Admin\AppData\Local\Temp\Costura\FA5FCDD5F58DD12E4C4C86CEAB16005F\64\sqlite.interop.dll

Filesize
1.7MB

MD5
65ccd6ecb99899083d43f7c24eb8f869

SHA1
27037a9470cc5ed177c0b6688495f3a51996a023

SHA256
aba67c7e6c01856838b8bc6b0ba95e864e1fdcb3750aa7cdc1bc73511cea6fe4

SHA512
533900861fe36cf78b614d6a7ce741ff1172b41cbd5644b4a9542e6ca42702e6fbfb12f0fbaae8f5992320870a15e90b4f7bf180705fc9839db433413860be6d

Download Submit
memory/2384-18-0x000007FEF4960000-0x000007FEF534C000-memory.dmp

Filesize
9.9MB

Download
memory/2384-17-0x0000000000C40000-0x0000000001190000-memory.dmp

Filesize
5.3MB

Download
memory/2384-23-0x000000001BC80000-0x000000001BCEA000-memory.dmp

Filesize
424KB

Download
memory/2384-26-0x000000001ACE0000-0x000000001AD05000-memory.dmp

Filesize
148KB

Download
memory/2384-35-0x000007FEF4960000-0x000007FEF534C000-memory.dmp

Filesize
9.9MB

Download
memory/2384-36-0x00000000002B0000-0x0000000000330000-memory.dmp

Filesize
512KB

Download
memory/2384-37-0x00000000002B0000-0x0000000000330000-memory.dmp

Filesize
512KB

Download
memory/2384-38-0x000007FEF4960000-0x000007FEF534C000-memory.dmp

Filesize
9.9MB

Download
memory/3048-0-0x00000000000F0000-0x0000000000640000-memory.dmp

Filesize
5.3MB

Download
memory/3048-13-0x000007FEF5350000-0x000007FEF5D3C000-memory.dmp

Filesize
9.9MB

Download
memory/3048-9-0x000000001B2D0000-0x000000001B350000-memory.dmp

Filesize
512KB

Download
memory/3048-1-0x000007FEF5350000-0x000007FEF5D3C000-memory.dmp

Filesize
9.9MB

Download