ramnit | 753cf87a9d528036e59d7e7e6a29eb8fddb0ccb3fc19e9aa4253c57ace9dc48a

General

Target

JaffaCakes118_65dd51e8b7107a5a43dc55203aa56430.dll
Size

126KB
MD5

65dd51e8b7107a5a43dc55203aa56430
SHA1

df036ac28999f64cf09b44e6b045867f13d11370
SHA256

753cf87a9d528036e59d7e7e6a29eb8fddb0ccb3fc19e9aa4253c57ace9dc48a
SHA512

f1b369a2393170427f72fee81389785c7434d697f487f70fcd22835345230750416bf65be08add97cad118feb451e0142d89d500afbe305b974d8c4263e86da8
SSDEEP

3072:hcXRu4SjtZH4j9aVdV7ItRcDYO8wh4HzfLLIdzLB:haXEtZHY6dV7I8DYHfTfIdz9

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
1440	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
1984	rundll32.exe
1984	rundll32.exe
1440	rundll32mgr.exe
1440	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1984-1-0x0000000010000000-0x000000001002C000-memory.dmp	upx
behavioral1/memory/1440-14-0x0000000000400000-0x000000000042C1D8-memory.dmp	upx
behavioral1/memory/1440-19-0x0000000000400000-0x000000000042C1D8-memory.dmp	upx
behavioral1/memory/1440-20-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/1984-21-0x0000000010000000-0x000000001002C000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 1984	1548	rundll32.exe	31
PID 1548 wrote to memory of 1984	1548	rundll32.exe	31
PID 1548 wrote to memory of 1984	1548	rundll32.exe	31
PID 1548 wrote to memory of 1984	1548	rundll32.exe	31
PID 1548 wrote to memory of 1984	1548	rundll32.exe	31
PID 1548 wrote to memory of 1984	1548	rundll32.exe	31
PID 1548 wrote to memory of 1984	1548	rundll32.exe	31
PID 1984 wrote to memory of 1440	1984	rundll32.exe	32
PID 1984 wrote to memory of 1440	1984	rundll32.exe	32
PID 1984 wrote to memory of 1440	1984	rundll32.exe	32
PID 1984 wrote to memory of 1440	1984	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65dd51e8b7107a5a43dc55203aa56430.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65dd51e8b7107a5a43dc55203aa56430.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:1440

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\~TMDB9F.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

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

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
97KB

MD5
ef5dc2521333fb418bd5518f1db3fd08

SHA1
3d5e8d6dbf09a599f674fe9d6c1d736b0c31cb70

SHA256
75bfc7c1f54f2579541c35f721a6bbd9083c7208bd989624ceb25f16bd03afbe

SHA512
8768e95f5539dc61350f552d575c683e20e000f41283701c9c5f393da40975a02a7d432374c72565f3e1848266ee94e20d905f62b849f91f3c956b7980d87882

Download Submit
memory/1440-9-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1440-10-0x0000000000400000-0x000000000042C1D8-memory.dmp

Filesize
176KB

Download
memory/1440-14-0x0000000000400000-0x000000000042C1D8-memory.dmp

Filesize
176KB

Download
memory/1440-19-0x0000000000400000-0x000000000042C1D8-memory.dmp

Filesize
176KB

Download
memory/1440-20-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1984-1-0x0000000010000000-0x000000001002C000-memory.dmp

Filesize
176KB

Download
memory/1984-21-0x0000000010000000-0x000000001002C000-memory.dmp

Filesize
176KB

Download

Analysis

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