ramnit | d26b86e3b1f77dcf3e7b2df0b1571647daf5e8932b635e2adc96aea5db708a26

General

Target

JaffaCakes118_401c40bef5d30dda901e6e94a25b39c0.dll
Size

387KB
MD5

401c40bef5d30dda901e6e94a25b39c0
SHA1

f9f63f9643d900fd407f4dec777aa922ad6e796b
SHA256

d26b86e3b1f77dcf3e7b2df0b1571647daf5e8932b635e2adc96aea5db708a26
SHA512

cea91964986bfd143c78f90d337e0c0792ff48387f0ca637824f3af58f4926ceab396f6259bda0ec2b74eed4f28e8966070e018b95fa651a0b31bb67af2cba7e
SSDEEP

6144:almf+4i6cPbj1ttuBZa+iSTTBalAOg2qQQkMO+M9zfL+USvfT6:aG+4i6cPbjftuBZFiSTTeJ1+ezf62

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
2692	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
1252	rundll32.exe
1252	rundll32.exe
2692	rundll32mgr.exe
2692	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2692-15-0x0000000000400000-0x0000000000438000-memory.dmp	upx
behavioral1/memory/2692-23-0x0000000000400000-0x0000000000438000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2448	2692	WerFault.exe	31

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 WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 1252	2156	rundll32.exe	30
PID 2156 wrote to memory of 1252	2156	rundll32.exe	30
PID 2156 wrote to memory of 1252	2156	rundll32.exe	30
PID 2156 wrote to memory of 1252	2156	rundll32.exe	30
PID 2156 wrote to memory of 1252	2156	rundll32.exe	30
PID 2156 wrote to memory of 1252	2156	rundll32.exe	30
PID 2156 wrote to memory of 1252	2156	rundll32.exe	30
PID 1252 wrote to memory of 2692	1252	rundll32.exe	31
PID 1252 wrote to memory of 2692	1252	rundll32.exe	31
PID 1252 wrote to memory of 2692	1252	rundll32.exe	31
PID 1252 wrote to memory of 2692	1252	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_401c40bef5d30dda901e6e94a25b39c0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_401c40bef5d30dda901e6e94a25b39c0.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1252
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2692
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 180
      4⤵
      Program crash
      PID:2448

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:\Windows\SysWOW64\rundll32mgr.exe

Filesize
185KB

MD5
52cdae69893c84143492ac94b3f7ec77

SHA1
8a316c4d078d497250f40d5ec58d6c00960fcf52

SHA256
ec270eee13b0c0b6f39008fd051e58d0ca865d8a20fba5f94f3d17e76c373544

SHA512
418811b61eb4497446b6179b047cb2f9dc7a29f8627b4090e015f076f705ec3a83dc590a1d1defe67914a50c0e9000847f5490efc63d682f19a6827e40479c66

Download Submit
\Users\Admin\AppData\Local\Temp\~TM90CB.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM911A.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
memory/1252-12-0x00000000001D0000-0x0000000000208000-memory.dmp

Filesize
224KB

Download
memory/1252-10-0x00000000001D0000-0x0000000000208000-memory.dmp

Filesize
224KB

Download
memory/1252-9-0x0000000074F70000-0x0000000074FD7000-memory.dmp

Filesize
412KB

Download
memory/1252-8-0x0000000074F00000-0x0000000074F67000-memory.dmp

Filesize
412KB

Download
memory/1252-7-0x0000000074F70000-0x0000000074FD7000-memory.dmp

Filesize
412KB

Download
memory/2692-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2692-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2692-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2692-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

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