ramnit | b8c979d8dae6e6a878515445a2b5763b32fb6987e227b469098e98312cd8163a

General

Target

f2cf434126f78e89efc4cdb933343894_JaffaCakes118.dll
Size

256KB
MD5

f2cf434126f78e89efc4cdb933343894
SHA1

553f65c0338509dff315c5b4b542c7ae78ad6ce2
SHA256

b8c979d8dae6e6a878515445a2b5763b32fb6987e227b469098e98312cd8163a
SHA512

37764c3a7d45fabc6129a14a2c41b200f91e2626c022c09151e151bd471cd60fe5937c78b169f4b6d1295bfe91bc073e3bce3f6dfc4c2d2ec00e0494f650606c
SSDEEP

6144:5U+xn9iW0MuQEoEyAOyX/u2LmR1sABkmrYJsoyWIFWyjHGaKQ:C+xn930MAy12Lat6sP22Ga3

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
2164	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
1128	rundll32.exe
1128	rundll32.exe
2164	rundll32mgr.exe
2164	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c000000012266-4.dat	upx
behavioral1/memory/2164-12-0x0000000000400000-0x000000000047A000-memory.dmp	upx
behavioral1/memory/2164-14-0x0000000000400000-0x000000000047A000-memory.dmp	upx
behavioral1/memory/2164-21-0x0000000000400000-0x000000000047A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2128	2164	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 1736 wrote to memory of 1128	1736	rundll32.exe	30
PID 1736 wrote to memory of 1128	1736	rundll32.exe	30
PID 1736 wrote to memory of 1128	1736	rundll32.exe	30
PID 1736 wrote to memory of 1128	1736	rundll32.exe	30
PID 1736 wrote to memory of 1128	1736	rundll32.exe	30
PID 1736 wrote to memory of 1128	1736	rundll32.exe	30
PID 1736 wrote to memory of 1128	1736	rundll32.exe	30
PID 1128 wrote to memory of 2164	1128	rundll32.exe	31
PID 1128 wrote to memory of 2164	1128	rundll32.exe	31
PID 1128 wrote to memory of 2164	1128	rundll32.exe	31
PID 1128 wrote to memory of 2164	1128	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2cf434126f78e89efc4cdb933343894_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2cf434126f78e89efc4cdb933343894_JaffaCakes118.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1128
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2164
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 204
      4⤵
      Program crash
      PID:2128

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\~TM9BE2.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM9C50.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
184KB

MD5
599ff0c3453d3d76aceb3d72533083f1

SHA1
b8661717748ec49bddb033f728660f3e877844c2

SHA256
75e8583e98f48d7b2edc182a6643f5c22d77ac9f669624580d9194f7c96b961b

SHA512
70adc555e2e2c53bc20d1a88118d86ad1e57f00f58a80a80e6f1097180aad748fa59021c405a4b9c382cacf9784d55623bee70cb38ce93f075a047d88ef33cc4

Download Submit
memory/1128-1-0x00000000753D0000-0x0000000075414000-memory.dmp

Filesize
272KB

Download
memory/1128-2-0x00000000753E0000-0x0000000075424000-memory.dmp

Filesize
272KB

Download
memory/1128-3-0x0000000075390000-0x00000000753D4000-memory.dmp

Filesize
272KB

Download
memory/1128-10-0x0000000000170000-0x00000000001EA000-memory.dmp

Filesize
488KB

Download
memory/2164-12-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2164-13-0x0000000000220000-0x0000000000222000-memory.dmp

Filesize
8KB

Download
memory/2164-14-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2164-21-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download

Analysis

Sharing