ramnit | fbcbe1574f8d48ddfb92a370ba255fba88081de6a286e8edf2f328df388f6bc2

General

Target

JaffaCakes118_61aa95e29d278d75803d32718bad21ec.dll
Size

215KB
MD5

61aa95e29d278d75803d32718bad21ec
SHA1

2b81433de9f91cb3db9a2f3e12338fd9ec5d4777
SHA256

fbcbe1574f8d48ddfb92a370ba255fba88081de6a286e8edf2f328df388f6bc2
SHA512

88229eb11147e6b6fd86c9d793dd04bc9c11cd3128e438224bc61107e9a7346534ed1ee7c67312a1c71314ace7e5c42f762ab8590ccf9fd4d9e00a9250a4e048
SSDEEP

3072:qb+c2VJOlaFBQ0drWQsXfRExmEueevrKriENURCboAYXVqyHAV2em1YVpxohI:qbJ27FBTlWV6evm1URiohIeA2P9hI

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
2716	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2836	rundll32.exe
2836	rundll32.exe
2716	rundll32mgr.exe
2716	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/2716-12-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2716-18-0x0000000000400000-0x0000000000469000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2696	2836	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 2828 wrote to memory of 2836	2828	rundll32.exe	30
PID 2828 wrote to memory of 2836	2828	rundll32.exe	30
PID 2828 wrote to memory of 2836	2828	rundll32.exe	30
PID 2828 wrote to memory of 2836	2828	rundll32.exe	30
PID 2828 wrote to memory of 2836	2828	rundll32.exe	30
PID 2828 wrote to memory of 2836	2828	rundll32.exe	30
PID 2828 wrote to memory of 2836	2828	rundll32.exe	30
PID 2836 wrote to memory of 2716	2836	rundll32.exe	31
PID 2836 wrote to memory of 2716	2836	rundll32.exe	31
PID 2836 wrote to memory of 2716	2836	rundll32.exe	31
PID 2836 wrote to memory of 2716	2836	rundll32.exe	31
PID 2836 wrote to memory of 2696	2836	rundll32.exe	32
PID 2836 wrote to memory of 2696	2836	rundll32.exe	32
PID 2836 wrote to memory of 2696	2836	rundll32.exe	32
PID 2836 wrote to memory of 2696	2836	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61aa95e29d278d75803d32718bad21ec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61aa95e29d278d75803d32718bad21ec.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2716
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 236
    3⤵
    - Program crash
    PID:2696

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
162KB

MD5
e07b4e7be7e1cdd0ead473e5fe3f713a

SHA1
e6f1a84895090d4a912526183507af35a6fe28d7

SHA256
693897e39710e0ed68036e37fc472c6941af1152e2dfad84c32b88a4ba4b5a08

SHA512
5980170f90c1a0e2a8e041fdf16fa112b9c8435abbc4956d3908a51058b3c9166cccbe764259ac41a461a679a9b50a174c380591ab812ff0813e4b77d8de5a34

Download Submit
\Users\Admin\AppData\Local\Temp\~TMF132.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TMF162.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
memory/2716-10-0x0000000000250000-0x00000000002B9000-memory.dmp

Filesize
420KB

Download
memory/2716-12-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2716-20-0x0000000000250000-0x00000000002B9000-memory.dmp

Filesize
420KB

Download
memory/2716-18-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2836-0-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download
memory/2836-1-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download
memory/2836-21-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download

Analysis

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