ramnit | cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871

General

Target

cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871N.exe
Size

716KB
MD5

5c6e90d88fdd742f1cda9ae7a2a93f70
SHA1

f35e2bd1a5dce0b71267e55f28b2c7572fdc0617
SHA256

cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871
SHA512

e362599b0d1dbf24a900e91382ea50f43228f24a27cd17c5a03fb868b0b177cfcfe349dcef767d496cf327cc225bbbce664c41b4e55a9be4096322245abbed4b
SSDEEP

12288:TvqSyJda/aulZAuYL901/gWxiEGwyCoq/MsLAd:jUJdaLbY+oGiiX/FAd

Score

10^/10

ramnit banker discovery persistence spyware stealer trojan upx worm

Malware Config

Signatures

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Ramnit family
ramnit

Checks computer location settings 2 TTPs 1 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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871N.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Download_Manager.exe	cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871N.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Download_Manager.exe	xelag.exe

Executes dropped EXE 3 IoCs

pid	Process
4616	cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871Nmgr.exe
5112	xelag.exe
1408	xelagmgr.exe

Loads dropped DLL 2 IoCs

pid	Process
4616	cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871Nmgr.exe
1408	xelagmgr.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MSKERNEL = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xelag.exe"	cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Msiexec = "C:\\Users\\Admin\\AppData\\Local\\Temp\\{09a405f0-0a5f-4cfe-a424-a56e9a3186f}\\WinDefender.exe"	xelag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSKERNEL = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xelag.exe"	xelag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MSKERNEL = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xelag.exe"	xelag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Msiexec = "C:\\Users\\Admin\\AppData\\Local\\Temp\\{09a405f0-0a5f-4cfe-a424-a56e9a3186f}\\WinDefender.exe"	cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSKERNEL = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xelag.exe"	cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871N.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4616-8-0x0000000000400000-0x000000000045C000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4420	4616	WerFault.exe	82
2116	1408	WerFault.exe	88

System Location Discovery: System Language Discovery 1 TTPs 4 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	cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871Nmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xelag.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xelagmgr.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3824 wrote to memory of 4616	3824	cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871N.exe	82
PID 3824 wrote to memory of 4616	3824	cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871N.exe	82
PID 3824 wrote to memory of 4616	3824	cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871N.exe	82
PID 3824 wrote to memory of 5112	3824	cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871N.exe	87
PID 3824 wrote to memory of 5112	3824	cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871N.exe	87
PID 3824 wrote to memory of 5112	3824	cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871N.exe	87
PID 5112 wrote to memory of 1408	5112	xelag.exe	88
PID 5112 wrote to memory of 1408	5112	xelag.exe	88
PID 5112 wrote to memory of 1408	5112	xelag.exe	88

C:\Users\Admin\AppData\Local\Temp\cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871N.exe
"C:\Users\Admin\AppData\Local\Temp\cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871N.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3824
- C:\Users\Admin\AppData\Local\Temp\cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871Nmgr.exe
  C:\Users\Admin\AppData\Local\Temp\cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871Nmgr.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4616
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 540
    3⤵
    - Program crash
    PID:4420
- C:\Users\Admin\AppData\Local\Temp\xelag.exe
  "C:\Users\Admin\AppData\Local\Temp\xelag.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5112
- - C:\Users\Admin\AppData\Local\Temp\xelagmgr.exe
    C:\Users\Admin\AppData\Local\Temp\xelagmgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1408
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1408 -s 236
      4⤵
      Program crash
      PID:2116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4616 -ip 4616
1⤵
PID:2244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1408 -ip 1408
1⤵
PID:3620

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

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871Nmgr.exe

Filesize
354KB

MD5
a8245f71e4e4aff10e574300abd2bcc2

SHA1
7ea3ae53a0697e526c6bc877b103b390af042d7a

SHA256
7bf945e4d87567106bfe8980b4fe1e6482578ab91fa9d82426c804ae5c3f2546

SHA512
8c32f1f55c0475ce06ddbd3db80d529addb401089bd61491641d2e2c0c36020eabc5a947735388ae7a90514c543cb29450afa13b1e3f90387e432b62d4628978

Download Submit
C:\Users\Admin\AppData\Local\Temp\xelag.exe

Filesize
716KB

MD5
5c6e90d88fdd742f1cda9ae7a2a93f70

SHA1
f35e2bd1a5dce0b71267e55f28b2c7572fdc0617

SHA256
cf4d29cadefdfc5507fa2e43a752814b7ceb994f91cff91160a2d6a919995871

SHA512
e362599b0d1dbf24a900e91382ea50f43228f24a27cd17c5a03fb868b0b177cfcfe349dcef767d496cf327cc225bbbce664c41b4e55a9be4096322245abbed4b

Download Submit
C:\Users\Admin\AppData\Local\Temp\~TM6BD9.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/1408-29-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/3824-0-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/3824-31-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/4616-5-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4616-8-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/5112-23-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/5112-39-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads