milleniumrat | 9ab8830c1b7528505b6c45002dfca7c2e02caf0d8d815e5d91eb4ffe0cbec32e

General

Target

built_(2)-crypted.exe
Size

5.7MB
MD5

1d77998bb32b6b4e87adeb7d28542c51
SHA1

ae392f64f73e9b21392f56e1c7f1968da9666979
SHA256

9ab8830c1b7528505b6c45002dfca7c2e02caf0d8d815e5d91eb4ffe0cbec32e
SHA512

598f410c1af94db7998ea42128b0f46fd08c5672ed8a2082d20b938d40a788df74139f641d4cdb601b3c40e5459c4af293742c3150099350462f9d13f8d613c9
SSDEEP

98304:Io/2m2FSt/pRdVbCIrvcLaYZhytyddAdkr/AB3yLakDO4XP2AQ5N3/MCJjq:r25F4bdkIDceYiUYKk9yNDO4XlQ59MCY

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

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	built_(2)-crypted.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	Update.exe

Executes dropped EXE 1 IoCs

pid	Process
2356	Update.exe

Loads dropped DLL 2 IoCs

pid	Process
4816	built_(2)-crypted.exe
2356	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-1-5-21-493223053-2004649691-1575712786-1000\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
17	raw.githubusercontent.com
19	raw.githubusercontent.com
27	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
13	ip-api.com

Enumerates processes with tasklist 1 TTPs 1 IoCs

discovery

Process Discovery

T1057

pid	Process
4700	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

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasklist.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Update.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	built_(2)-crypted.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	find.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

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
3324	timeout.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2440	reg.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
4816	built_(2)-crypted.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe
2356	Update.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4816	built_(2)-crypted.exe
Token: SeDebugPrivilege	4700	tasklist.exe
Token: SeDebugPrivilege	2356	Update.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2356	Update.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 4640	4816	built_(2)-crypted.exe	91
PID 4816 wrote to memory of 4640	4816	built_(2)-crypted.exe	91
PID 4816 wrote to memory of 4640	4816	built_(2)-crypted.exe	91
PID 4640 wrote to memory of 4452	4640	cmd.exe	93
PID 4640 wrote to memory of 4452	4640	cmd.exe	93
PID 4640 wrote to memory of 4452	4640	cmd.exe	93
PID 4640 wrote to memory of 4700	4640	cmd.exe	94
PID 4640 wrote to memory of 4700	4640	cmd.exe	94
PID 4640 wrote to memory of 4700	4640	cmd.exe	94
PID 4640 wrote to memory of 408	4640	cmd.exe	95
PID 4640 wrote to memory of 408	4640	cmd.exe	95
PID 4640 wrote to memory of 408	4640	cmd.exe	95
PID 4640 wrote to memory of 3324	4640	cmd.exe	96
PID 4640 wrote to memory of 3324	4640	cmd.exe	96
PID 4640 wrote to memory of 3324	4640	cmd.exe	96
PID 4640 wrote to memory of 2356	4640	cmd.exe	99
PID 4640 wrote to memory of 2356	4640	cmd.exe	99
PID 4640 wrote to memory of 2356	4640	cmd.exe	99
PID 2356 wrote to memory of 1932	2356	Update.exe	105
PID 2356 wrote to memory of 1932	2356	Update.exe	105
PID 2356 wrote to memory of 1932	2356	Update.exe	105
PID 1932 wrote to memory of 2440	1932	cmd.exe	107
PID 1932 wrote to memory of 2440	1932	cmd.exe	107
PID 1932 wrote to memory of 2440	1932	cmd.exe	107

C:\Users\Admin\AppData\Local\Temp\built_(2)-crypted.exe
"C:\Users\Admin\AppData\Local\Temp\built_(2)-crypted.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4816
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp9625.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp9625.tmp.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4640
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4452
- - C:\Windows\SysWOW64\tasklist.exe
    Tasklist /fi "PID eq 4816"
    3⤵
    - Enumerates processes with tasklist
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:4700
- - C:\Windows\SysWOW64\find.exe
    find ":"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:408
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 1 /Nobreak
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3324
- - 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
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2356
  - - C:\Windows\SysWOW64\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⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1932
    - - C:\Windows\SysWOW64\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
        System Location Discovery: System Language Discovery
        Modifies registry key
        
        PID:2440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

Process Discovery

Query Registry

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Costura\A54E036D2DCD19384E8EA53862E0DD8F\32\sqlite.interop.dll

Filesize
1.4MB

MD5
6f2fdecc48e7d72ca1eb7f17a97e59ad

SHA1
fcbc8c4403e5c8194ee69158d7e70ee7dbd4c056

SHA256
70e48ef5c14766f3601c97451b47859fddcbe7f237e1c5200cea8e7a7609d809

SHA512
fea98a3d6fff1497551dc6583dd92798dcac764070a350fd381e856105a6411c94effd4b189b7a32608ff610422b8dbd6d93393c5da99ee66d4569d45191dc8b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9625.tmp.bat

Filesize
286B

MD5
3a31b9f425535e17cff4f19973121d87

SHA1
d76955bd4bbfcc2bbeeb32899262434f427b969f

SHA256
103acd764012b1179297b075d21ced19fe54e3985cf66358936dbe030c18d0d1

SHA512
fa0fec15568273c308592f3afb70b3f6c5879fc662611bf2b1995994f5af5919de5c0cb362a4ce994604bff3a6af94f6ffb5bec7b4a92337cac92f28668edb6b

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

Filesize
5.7MB

MD5
1d77998bb32b6b4e87adeb7d28542c51

SHA1
ae392f64f73e9b21392f56e1c7f1968da9666979

SHA256
9ab8830c1b7528505b6c45002dfca7c2e02caf0d8d815e5d91eb4ffe0cbec32e

SHA512
598f410c1af94db7998ea42128b0f46fd08c5672ed8a2082d20b938d40a788df74139f641d4cdb601b3c40e5459c4af293742c3150099350462f9d13f8d613c9

Download Submit
memory/2356-33-0x00000000085E0000-0x0000000008602000-memory.dmp

Filesize
136KB

Download
memory/2356-36-0x0000000009330000-0x0000000009351000-memory.dmp

Filesize
132KB

Download
memory/2356-67-0x0000000000530000-0x0000000000ADE000-memory.dmp

Filesize
5.7MB

Download
memory/2356-65-0x0000000000530000-0x0000000000ADE000-memory.dmp

Filesize
5.7MB

Download
memory/2356-64-0x000000000B500000-0x000000000B50A000-memory.dmp

Filesize
40KB

Download
memory/2356-63-0x000000000AEF0000-0x000000000AF82000-memory.dmp

Filesize
584KB

Download
memory/2356-62-0x000000000ADE0000-0x000000000AE46000-memory.dmp

Filesize
408KB

Download
memory/2356-56-0x000000000A370000-0x000000000A382000-memory.dmp

Filesize
72KB

Download
memory/2356-37-0x000000000A010000-0x000000000A33E000-memory.dmp

Filesize
3.2MB

Download
memory/2356-35-0x00000000093A0000-0x00000000093DC000-memory.dmp

Filesize
240KB

Download
memory/2356-32-0x0000000008560000-0x00000000085B0000-memory.dmp

Filesize
320KB

Download
memory/2356-31-0x0000000008230000-0x00000000082E2000-memory.dmp

Filesize
712KB

Download
memory/2356-29-0x00000000081E0000-0x000000000822C000-memory.dmp

Filesize
304KB

Download
memory/2356-27-0x0000000008170000-0x00000000081DA000-memory.dmp

Filesize
424KB

Download
memory/2356-28-0x0000000008FC0000-0x0000000009314000-memory.dmp

Filesize
3.3MB

Download
memory/4816-15-0x0000000008A70000-0x0000000009014000-memory.dmp

Filesize
5.6MB

Download
memory/4816-2-0x0000000006D30000-0x00000000072D2000-memory.dmp

Filesize
5.6MB

Download
memory/4816-20-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download
memory/4816-0-0x0000000001570000-0x0000000001B15000-memory.dmp

Filesize
5.6MB

Download
memory/4816-3-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download
memory/4816-19-0x00000000004F0000-0x0000000000A9E000-memory.dmp

Filesize
5.7MB

Download
memory/4816-1-0x000000007459E000-0x000000007459F000-memory.dmp

Filesize
4KB

Download
memory/4816-14-0x0000000007FE0000-0x0000000007FEA000-memory.dmp

Filesize
40KB

Download
memory/4816-13-0x0000000007F90000-0x0000000007FAE000-memory.dmp

Filesize
120KB

Download
memory/4816-12-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download
memory/4816-11-0x0000000006860000-0x00000000068D6000-memory.dmp

Filesize
472KB

Download
memory/4816-10-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download
memory/4816-9-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads