ramnit | 35e63d9898465d762dcbce08e393c7a490c1a17be311981b708bdff1cf67093a

General

Target

JaffaCakes118_063e7776bafb465fc2299a995051908a.dll
Size

516KB
MD5

063e7776bafb465fc2299a995051908a
SHA1

9b317f481c0db9e50cfdb859f68c4509cba229e2
SHA256

35e63d9898465d762dcbce08e393c7a490c1a17be311981b708bdff1cf67093a
SHA512

26174ff8226e75b8038bdd5a8056bab015318588b6dfd4a268b5e7428ad963a50e95383c8100e8ff613c5c40f965cef4e598930f391c4e27a1a6081bf579ca54
SSDEEP

12288:KehnaNPpSVZmNxRCwnwm3W3OHIIf5ec1zcTqH31:Keh0PpS6NxNnwYeOHXLc0

Score

10^/10

ramnit banker discovery 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

Executes dropped EXE 1 IoCs

pid	Process
3416	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
3416	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3416-5-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral2/memory/3416-12-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral2/memory/3416-13-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral2/memory/3416-15-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral2/memory/3416-9-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral2/memory/3416-7-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral2/memory/3416-6-0x0000000000400000-0x0000000000462000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
436	3416	WerFault.exe	84
2480	468	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3416	rundll32mgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1296 wrote to memory of 468	1296	rundll32.exe	83
PID 1296 wrote to memory of 468	1296	rundll32.exe	83
PID 1296 wrote to memory of 468	1296	rundll32.exe	83
PID 468 wrote to memory of 3416	468	rundll32.exe	84
PID 468 wrote to memory of 3416	468	rundll32.exe	84
PID 468 wrote to memory of 3416	468	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_063e7776bafb465fc2299a995051908a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1296
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_063e7776bafb465fc2299a995051908a.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:468
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of UnmapMainImage
    PID:3416
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 260
      4⤵
      Program crash
      PID:436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 468 -s 608
    3⤵
    - Program crash
    PID:2480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3416 -ip 3416
1⤵
PID:1412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 468 -ip 468
1⤵
PID:2168

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TMC0B0.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
133KB

MD5
cdb08259f376e72d84caaff2246e7b8d

SHA1
c812ffaebdac00ea61901b2a3d0b40bd9495d1da

SHA256
c572bcb3d9c247d7f45fefaaa5d62463bf5ef701a13cbbfc160dc81fc0301a05

SHA512
1e693e099ce8cad51863e44e522cb9b67ec785891b36eb623048a8ab6d37619a2a599c8237c5757f85aa696335c57c54b55afd2a92189cc46378998dad8af7f7

Download Submit
memory/468-20-0x0000000010000000-0x0000000010083000-memory.dmp

Filesize
524KB

Download
memory/468-1-0x0000000010000000-0x0000000010083000-memory.dmp

Filesize
524KB

Download
memory/3416-19-0x0000000077202000-0x0000000077204000-memory.dmp

Filesize
8KB

Download
memory/3416-13-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3416-12-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3416-18-0x0000000077202000-0x0000000077203000-memory.dmp

Filesize
4KB

Download
memory/3416-15-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3416-10-0x00000000008F0000-0x00000000008F1000-memory.dmp

Filesize
4KB

Download
memory/3416-9-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3416-7-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3416-6-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3416-5-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download

Analysis

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