ramnit | d66bf0f19b60a39c3328227aacd6ad535b5c1d21ce213cb5a274acb281372ddd

General

Target

JaffaCakes118_63e35e7bbf49951643c0637c8eec3f50.dll
Size

531KB
MD5

63e35e7bbf49951643c0637c8eec3f50
SHA1

b8cbd5bde62c8c944b35250323d02d87b7fb2d93
SHA256

d66bf0f19b60a39c3328227aacd6ad535b5c1d21ce213cb5a274acb281372ddd
SHA512

2c4a7217abcb598c7c10519e6f37f1069e4f0df9db57ba394a39547986075f332174fcca8a5b4d00f38afb9d41a983c93cb375fa96ec6a8213fb914624a32680
SSDEEP

6144:gRpjAnbym5smwmuV/l4I7/LqcxnmfdzwbAAbnWJVfr9fuwE:ypjAnbym5sGuJB7/Gqn8JD7D9dE

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
2308	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2304	rundll32.exe
2304	rundll32.exe
2308	rundll32mgr.exe
2308	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2308-14-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral1/memory/2308-13-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral1/memory/2308-21-0x0000000000400000-0x000000000045C000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
788	2304	WerFault.exe	31
1816	2308	WerFault.exe	32

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	rundll32mgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2304	1868	rundll32.exe	31
PID 1868 wrote to memory of 2304	1868	rundll32.exe	31
PID 1868 wrote to memory of 2304	1868	rundll32.exe	31
PID 1868 wrote to memory of 2304	1868	rundll32.exe	31
PID 1868 wrote to memory of 2304	1868	rundll32.exe	31
PID 1868 wrote to memory of 2304	1868	rundll32.exe	31
PID 1868 wrote to memory of 2304	1868	rundll32.exe	31
PID 2304 wrote to memory of 2308	2304	rundll32.exe	32
PID 2304 wrote to memory of 2308	2304	rundll32.exe	32
PID 2304 wrote to memory of 2308	2304	rundll32.exe	32
PID 2304 wrote to memory of 2308	2304	rundll32.exe	32
PID 2304 wrote to memory of 788	2304	rundll32.exe	33
PID 2304 wrote to memory of 788	2304	rundll32.exe	33
PID 2304 wrote to memory of 788	2304	rundll32.exe	33
PID 2304 wrote to memory of 788	2304	rundll32.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63e35e7bbf49951643c0637c8eec3f50.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63e35e7bbf49951643c0637c8eec3f50.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2304
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2308
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 180
      4⤵
      Program crash
      PID:1816
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2304 -s 220
    3⤵
    - Program crash
    PID:788

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
354KB

MD5
a8245f71e4e4aff10e574300abd2bcc2

SHA1
7ea3ae53a0697e526c6bc877b103b390af042d7a

SHA256
7bf945e4d87567106bfe8980b4fe1e6482578ab91fa9d82426c804ae5c3f2546

SHA512
8c32f1f55c0475ce06ddbd3db80d529addb401089bd61491641d2e2c0c36020eabc5a947735388ae7a90514c543cb29450afa13b1e3f90387e432b62d4628978

Download Submit
\Users\Admin\AppData\Local\Temp\~TMD568.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TMD615.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
memory/2304-2-0x0000000074A20000-0x0000000074AAC000-memory.dmp

Filesize
560KB

Download
memory/2304-1-0x0000000074AB0000-0x0000000074B3C000-memory.dmp

Filesize
560KB

Download
memory/2304-3-0x0000000074AB0000-0x0000000074B3C000-memory.dmp

Filesize
560KB

Download
memory/2304-10-0x0000000000220000-0x000000000027C000-memory.dmp

Filesize
368KB

Download
memory/2304-24-0x0000000074A20000-0x0000000074AAC000-memory.dmp

Filesize
560KB

Download
memory/2304-23-0x0000000074AB0000-0x0000000074B30000-memory.dmp

Filesize
512KB

Download
memory/2308-12-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2308-21-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2308-13-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2308-14-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download

Analysis

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