ramnit | bb3123329c8bb31c63d05d9f70841ebc83b7bb9ea7c200dc98f928482121d3e8

General

Target

bb3123329c8bb31c63d05d9f70841ebc83b7bb9ea7c200dc98f928482121d3e8N.dll
Size

272KB
MD5

7b51b95c561438dcb22d9be973ef8160
SHA1

b53dcb42c37225681f407ae675996d42f0fd7a87
SHA256

bb3123329c8bb31c63d05d9f70841ebc83b7bb9ea7c200dc98f928482121d3e8
SHA512

cedec3092b14964f68d7e49754167241c0564768a1807ce63a02182105d5452215aaf395fa5534ecbb12042da8806f8f5023e3688cf0c5e453e37d08f28d25b0
SSDEEP

6144:qTdB2d3g5lWbJmjU8NuPeLj+BFDMyksw/Q+e9:ydKzJm+CjYIsw1S

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
2956	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2908	rundll32.exe
2908	rundll32.exe
2956	rundll32mgr.exe
2956	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/files/0x00080000000120f9-3.dat	upx
behavioral1/memory/2956-12-0x0000000000400000-0x0000000000482000-memory.dmp	upx
behavioral1/memory/2956-15-0x0000000000400000-0x0000000000482000-memory.dmp	upx
behavioral1/memory/2956-18-0x0000000000400000-0x0000000000482000-memory.dmp	upx
behavioral1/memory/2956-22-0x0000000000400000-0x0000000000482000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1760	2908	WerFault.exe	30
380	2956	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 15 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2908	2624	rundll32.exe	30
PID 2624 wrote to memory of 2908	2624	rundll32.exe	30
PID 2624 wrote to memory of 2908	2624	rundll32.exe	30
PID 2624 wrote to memory of 2908	2624	rundll32.exe	30
PID 2624 wrote to memory of 2908	2624	rundll32.exe	30
PID 2624 wrote to memory of 2908	2624	rundll32.exe	30
PID 2624 wrote to memory of 2908	2624	rundll32.exe	30
PID 2908 wrote to memory of 2956	2908	rundll32.exe	31
PID 2908 wrote to memory of 2956	2908	rundll32.exe	31
PID 2908 wrote to memory of 2956	2908	rundll32.exe	31
PID 2908 wrote to memory of 2956	2908	rundll32.exe	31
PID 2908 wrote to memory of 1760	2908	rundll32.exe	32
PID 2908 wrote to memory of 1760	2908	rundll32.exe	32
PID 2908 wrote to memory of 1760	2908	rundll32.exe	32
PID 2908 wrote to memory of 1760	2908	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb3123329c8bb31c63d05d9f70841ebc83b7bb9ea7c200dc98f928482121d3e8N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb3123329c8bb31c63d05d9f70841ebc83b7bb9ea7c200dc98f928482121d3e8N.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2908
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2956
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 204
      4⤵
      Program crash
      PID:380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2908 -s 236
    3⤵
    - Program crash
    PID:1760

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\~TMC83F.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TMC84F.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
215KB

MD5
4708ac54fd941df7678999c9e81472c0

SHA1
87a36accbe7b0223149548abf38d2ac76405b12b

SHA256
eda34e7b659d40e08ca97cea9c9d8c6d9f5c96556a1adc5d74e58c6b7ca2ea0d

SHA512
c7a7854b94e56b649118a3bfcfe0c08584ea141235f763fa5c3e2490f784b13a84b0361384064f371d0b2e71274bac30c44676e89ca6e77df033a0febc580308

Download Submit
memory/2908-0-0x0000000013500000-0x0000000013545000-memory.dmp

Filesize
276KB

Download
memory/2908-2-0x0000000013500000-0x0000000013545000-memory.dmp

Filesize
276KB

Download
memory/2908-11-0x0000000000380000-0x0000000000402000-memory.dmp

Filesize
520KB

Download
memory/2908-10-0x0000000013500000-0x0000000013545000-memory.dmp

Filesize
276KB

Download
memory/2956-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2956-13-0x0000000000220000-0x0000000000222000-memory.dmp

Filesize
8KB

Download
memory/2956-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2956-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2956-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

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