ramnit | 3fe3a7ff5e1efc3dee23575e2c18709224975dcc1a2bf34da50f6c45dc866301

General

Target

JaffaCakes118_051213af97fcdf92b7b5ba28afbbd9f2.dll
Size

212KB
MD5

051213af97fcdf92b7b5ba28afbbd9f2
SHA1

0766d7aa82315d5a9db4a49d25811f92f03f5603
SHA256

3fe3a7ff5e1efc3dee23575e2c18709224975dcc1a2bf34da50f6c45dc866301
SHA512

f1e703c810a8e242efaa690807e7853a5ec8b6fba85d547159f9e85de2d6034549cf1d24bcd44c72ef5ce5416238464b6b5568580652587dfbac58d2fd276ceb
SSDEEP

3072:wgKKuiX63bw5dNjDh8pWVgTlFIYaV9H+ujN2TXhBn62BVHyKeQqw:hKZp3KNjVGvaVAmk562/HypQx

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
2920	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
1856	rundll32.exe
1856	rundll32.exe
2920	rundll32mgr.exe
2920	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/2920-14-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2920-21-0x0000000000400000-0x0000000000444000-memory.dmp	upx

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 796 wrote to memory of 1856	796	rundll32.exe	29
PID 796 wrote to memory of 1856	796	rundll32.exe	29
PID 796 wrote to memory of 1856	796	rundll32.exe	29
PID 796 wrote to memory of 1856	796	rundll32.exe	29
PID 796 wrote to memory of 1856	796	rundll32.exe	29
PID 796 wrote to memory of 1856	796	rundll32.exe	29
PID 796 wrote to memory of 1856	796	rundll32.exe	29
PID 1856 wrote to memory of 2920	1856	rundll32.exe	30
PID 1856 wrote to memory of 2920	1856	rundll32.exe	30
PID 1856 wrote to memory of 2920	1856	rundll32.exe	30
PID 1856 wrote to memory of 2920	1856	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_051213af97fcdf92b7b5ba28afbbd9f2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_051213af97fcdf92b7b5ba28afbbd9f2.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1856
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2920

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\~TM621D.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM6308.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
memory/1856-1-0x0000000010000000-0x0000000010037000-memory.dmp

Filesize
220KB

Download
memory/1856-9-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1856-8-0x0000000010000000-0x0000000010037000-memory.dmp

Filesize
220KB

Download
memory/1856-12-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2920-13-0x0000000000220000-0x0000000000264000-memory.dmp

Filesize
272KB

Download
memory/2920-14-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2920-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2920-21-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2920-23-0x0000000000220000-0x0000000000264000-memory.dmp

Filesize
272KB

Download

Analysis

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