ramnit | cc46b4c8d819689ae1ebca4b9657ba9edad8a87212c30b8e1b07d646e31ccfbf

General

Target

cc46b4c8d819689ae1ebca4b9657ba9edad8a87212c30b8e1b07d646e31ccfbf.dll
Size

972KB
MD5

c61c2dc34a60ce368416642615bb5462
SHA1

f1f68757ab26495cf6a161a5581bd68b814de0f7
SHA256

cc46b4c8d819689ae1ebca4b9657ba9edad8a87212c30b8e1b07d646e31ccfbf
SHA512

16837e7330f4a3acc84b9d3cdd2f6339787e1ac95c3677d7d1ec53ef4c16234e630683b36248d73be64f43febefaf535809288a9f52a224bce6f4d8e6cd6c2b6
SSDEEP

12288:u4Rc5VE31XqaJusxGhr46CYtQ9mGycvPs9Ct:umc5iFBRxC+9mGycXs9Ct

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
2396	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2064	rundll32.exe
2064	rundll32.exe
2396	rundll32mgr.exe
2396	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/2396-23-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral1/memory/2396-22-0x0000000000400000-0x000000000045C000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3068	2396	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 2672 wrote to memory of 2064	2672	rundll32.exe	30
PID 2672 wrote to memory of 2064	2672	rundll32.exe	30
PID 2672 wrote to memory of 2064	2672	rundll32.exe	30
PID 2672 wrote to memory of 2064	2672	rundll32.exe	30
PID 2672 wrote to memory of 2064	2672	rundll32.exe	30
PID 2672 wrote to memory of 2064	2672	rundll32.exe	30
PID 2672 wrote to memory of 2064	2672	rundll32.exe	30
PID 2064 wrote to memory of 2396	2064	rundll32.exe	31
PID 2064 wrote to memory of 2396	2064	rundll32.exe	31
PID 2064 wrote to memory of 2396	2064	rundll32.exe	31
PID 2064 wrote to memory of 2396	2064	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cc46b4c8d819689ae1ebca4b9657ba9edad8a87212c30b8e1b07d646e31ccfbf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cc46b4c8d819689ae1ebca4b9657ba9edad8a87212c30b8e1b07d646e31ccfbf.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2064
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2396
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 180
      4⤵
      Program crash
      PID:3068

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

\Users\Admin\AppData\Local\Temp\~TMA544.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TMA564.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
354KB

MD5
a8245f71e4e4aff10e574300abd2bcc2

SHA1
7ea3ae53a0697e526c6bc877b103b390af042d7a

SHA256
7bf945e4d87567106bfe8980b4fe1e6482578ab91fa9d82426c804ae5c3f2546

SHA512
8c32f1f55c0475ce06ddbd3db80d529addb401089bd61491641d2e2c0c36020eabc5a947735388ae7a90514c543cb29450afa13b1e3f90387e432b62d4628978

Download Submit
memory/2064-2-0x0000000078130000-0x0000000078225000-memory.dmp

Filesize
980KB

Download
memory/2064-0-0x0000000078130000-0x0000000078225000-memory.dmp

Filesize
980KB

Download
memory/2064-10-0x0000000000270000-0x00000000002CC000-memory.dmp

Filesize
368KB

Download
memory/2064-13-0x0000000000270000-0x00000000002CC000-memory.dmp

Filesize
368KB

Download
memory/2396-11-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2396-17-0x0000000077C8F000-0x0000000077C91000-memory.dmp

Filesize
8KB

Download
memory/2396-16-0x00000000002F0000-0x000000000034C000-memory.dmp

Filesize
368KB

Download
memory/2396-18-0x0000000077C90000-0x0000000077C91000-memory.dmp

Filesize
4KB

Download
memory/2396-23-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2396-22-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download

Analysis

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