ramnit | c1a5c8b7d7ebff36877d7192908eb4b667b3b5330f54bdad1e4f4366552d6bc9

General

Target

c1a5c8b7d7ebff36877d7192908eb4b667b3b5330f54bdad1e4f4366552d6bc9N.dll
Size

228KB
MD5

f2d48bcfaa8c9b1a97a4d1751cf5f500
SHA1

c9682201ed99234864e3ded872dab1a585b41c8e
SHA256

c1a5c8b7d7ebff36877d7192908eb4b667b3b5330f54bdad1e4f4366552d6bc9
SHA512

1d0c0d124d08ad154ba4555bbe6e70c0bd4178eb4966d2b16bc6e71663b08cbcc00b2bad293154d0c523b0c0cb85e9d9fb6396bec12ad32b33b9aaf471964075
SSDEEP

3072:8Ahom4A7HDF85HQHaUgquHBMllyF0VN4GB1qL9VevNypIqNKa00uGduCGuEUrc:dHF7HDF85HQHaj0yMNf+Zwrqx005dsUg

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

Executes dropped EXE 1 IoCs

pid	Process
2632	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
1600	rundll32.exe
1600	rundll32.exe
2632	rundll32mgr.exe
2632	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/2632-11-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2632-18-0x0000000000400000-0x000000000046B000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2752	1600	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 2616 wrote to memory of 1600	2616	rundll32.exe	30
PID 2616 wrote to memory of 1600	2616	rundll32.exe	30
PID 2616 wrote to memory of 1600	2616	rundll32.exe	30
PID 2616 wrote to memory of 1600	2616	rundll32.exe	30
PID 2616 wrote to memory of 1600	2616	rundll32.exe	30
PID 2616 wrote to memory of 1600	2616	rundll32.exe	30
PID 2616 wrote to memory of 1600	2616	rundll32.exe	30
PID 1600 wrote to memory of 2632	1600	rundll32.exe	31
PID 1600 wrote to memory of 2632	1600	rundll32.exe	31
PID 1600 wrote to memory of 2632	1600	rundll32.exe	31
PID 1600 wrote to memory of 2632	1600	rundll32.exe	31
PID 1600 wrote to memory of 2752	1600	rundll32.exe	32
PID 1600 wrote to memory of 2752	1600	rundll32.exe	32
PID 1600 wrote to memory of 2752	1600	rundll32.exe	32
PID 1600 wrote to memory of 2752	1600	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1a5c8b7d7ebff36877d7192908eb4b667b3b5330f54bdad1e4f4366552d6bc9N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1a5c8b7d7ebff36877d7192908eb4b667b3b5330f54bdad1e4f4366552d6bc9N.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1600
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2632
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 224
    3⤵
    - Program crash
    PID:2752

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
169KB

MD5
335f0aeb047ac7782090828b5d4fa10e

SHA1
73355b1c843bec7be94b0a39efb5ff3b1b4ee547

SHA256
6df4c841c30d414cfee93573963036abfd669627081705c6a0d9e65fd6846f53

SHA512
635d1e473a0f2cebad020f80e211b55bcb12742ddde1e65db182b077c8873f639b491ab8d11a6781095cf16729e03f93696514de72b58efad8157fad3ff399f1

Download Submit
\Users\Admin\AppData\Local\Temp\~TMF4EA.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TMF548.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
memory/1600-2-0x0000000010000000-0x0000000010039000-memory.dmp

Filesize
228KB

Download
memory/1600-1-0x0000000010000000-0x0000000010039000-memory.dmp

Filesize
228KB

Download
memory/1600-20-0x0000000010000000-0x0000000010039000-memory.dmp

Filesize
228KB

Download
memory/2632-11-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2632-10-0x0000000000230000-0x000000000029B000-memory.dmp

Filesize
428KB

Download
memory/2632-18-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

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