ramnit | d9794185b819110e42d02560ff76eef96e1bc369e0620283520a5405ae1bc31e

General

Target

JaffaCakes118_3e5e105cb51a6d05277fa8cd21adb484.dll
Size

480KB
MD5

3e5e105cb51a6d05277fa8cd21adb484
SHA1

a21cd0ce78603a0f2b1f0f0b4e1bb1346c83fa30
SHA256

d9794185b819110e42d02560ff76eef96e1bc369e0620283520a5405ae1bc31e
SHA512

e099b728539603f8b2ff3fde7d6707b8c56ff57c352a9a329510819daacba8ab81ee0cd68e3266060b625b1c13241383390f8b7d9395effa53021677ce088a82
SSDEEP

12288:PehnaNPpSVZmNxRCwnwm3W3OHIIf5WEmMN3HVf:Peh0PpS6NxNnwYeOHXgEFZHVf

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
2544	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2388	rundll32.exe
2388	rundll32.exe
2544	rundll32mgr.exe
2544	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/2544-14-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/2544-19-0x0000000000400000-0x000000000043B000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2528	2388	WerFault.exe	30

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 15 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 2388	1916	rundll32.exe	30
PID 1916 wrote to memory of 2388	1916	rundll32.exe	30
PID 1916 wrote to memory of 2388	1916	rundll32.exe	30
PID 1916 wrote to memory of 2388	1916	rundll32.exe	30
PID 1916 wrote to memory of 2388	1916	rundll32.exe	30
PID 1916 wrote to memory of 2388	1916	rundll32.exe	30
PID 1916 wrote to memory of 2388	1916	rundll32.exe	30
PID 2388 wrote to memory of 2544	2388	rundll32.exe	31
PID 2388 wrote to memory of 2544	2388	rundll32.exe	31
PID 2388 wrote to memory of 2544	2388	rundll32.exe	31
PID 2388 wrote to memory of 2544	2388	rundll32.exe	31
PID 2388 wrote to memory of 2528	2388	rundll32.exe	32
PID 2388 wrote to memory of 2528	2388	rundll32.exe	32
PID 2388 wrote to memory of 2528	2388	rundll32.exe	32
PID 2388 wrote to memory of 2528	2388	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e5e105cb51a6d05277fa8cd21adb484.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e5e105cb51a6d05277fa8cd21adb484.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2388
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2544
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 224
    3⤵
    - Program crash
    PID:2528

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
94KB

MD5
c9c4a336475a11e54749da86bdcf4a10

SHA1
37d4bdddfce9b9e3b14b9480bbacfbf5842690d8

SHA256
ee2ff34f4632ff1bc66c5ca5a89b6ad630eda15976120652dc4d4ed399df1cc1

SHA512
55f290d69bd092a221ef5e333d3b7ad1bfc654ded73d47f869a5cf2b8f5db638716d5681e019f717e0590a3b5a4bb96b01bded98336f7677be18de4886cdd982

Download Submit
\Users\Admin\AppData\Local\Temp\~TM8269.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM82B8.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
memory/2388-9-0x0000000010000000-0x000000001007A000-memory.dmp

Filesize
488KB

Download
memory/2388-1-0x0000000010000000-0x000000001007A000-memory.dmp

Filesize
488KB

Download
memory/2388-13-0x00000000006A0000-0x00000000006DB000-memory.dmp

Filesize
236KB

Download
memory/2388-21-0x00000000006A0000-0x00000000006DB000-memory.dmp

Filesize
236KB

Download
memory/2544-14-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2544-20-0x00000000003C0000-0x00000000003FB000-memory.dmp

Filesize
236KB

Download
memory/2544-19-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download

Analysis

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