ramnit | 3fa4b48aa56ba0eb7476b445a2c333f13ae0080f39d4803f4c34a95ca131e320

General

Target

JaffaCakes118_07a3182e5b7a23fc280812f3626fc813.dll
Size

754KB
MD5

07a3182e5b7a23fc280812f3626fc813
SHA1

94131dd8f73672cb92bcc384bbd897f131fa3a96
SHA256

3fa4b48aa56ba0eb7476b445a2c333f13ae0080f39d4803f4c34a95ca131e320
SHA512

27dca3d3418a0ae92432c03c62873460b0e32a762bd1e5f195411d51c7200649e58797a465f1719ac9e65d061bbf04feff4fd1126fdf4d6deada78344a83225a
SSDEEP

12288:4NIyZN4+Wv4PLq6Okrh9ZN/hs9DsdzvCIKFdq3VPIdrV:49TPmirh9Zdh6MvCbdq3arV

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
2472	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2348	rundll32.exe
2348	rundll32.exe
2472	rundll32mgr.exe
2472	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/2472-11-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2472-18-0x0000000000400000-0x000000000046B000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
480	2348	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 2068 wrote to memory of 2348	2068	rundll32.exe	31
PID 2068 wrote to memory of 2348	2068	rundll32.exe	31
PID 2068 wrote to memory of 2348	2068	rundll32.exe	31
PID 2068 wrote to memory of 2348	2068	rundll32.exe	31
PID 2068 wrote to memory of 2348	2068	rundll32.exe	31
PID 2068 wrote to memory of 2348	2068	rundll32.exe	31
PID 2068 wrote to memory of 2348	2068	rundll32.exe	31
PID 2348 wrote to memory of 2472	2348	rundll32.exe	32
PID 2348 wrote to memory of 2472	2348	rundll32.exe	32
PID 2348 wrote to memory of 2472	2348	rundll32.exe	32
PID 2348 wrote to memory of 2472	2348	rundll32.exe	32
PID 2348 wrote to memory of 480	2348	rundll32.exe	33
PID 2348 wrote to memory of 480	2348	rundll32.exe	33
PID 2348 wrote to memory of 480	2348	rundll32.exe	33
PID 2348 wrote to memory of 480	2348	rundll32.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_07a3182e5b7a23fc280812f3626fc813.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_07a3182e5b7a23fc280812f3626fc813.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2472
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 224
    3⤵
    - Program crash
    PID:480

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\~TMDB51.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TMDB72.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
169KB

MD5
335f0aeb047ac7782090828b5d4fa10e

SHA1
73355b1c843bec7be94b0a39efb5ff3b1b4ee547

SHA256
6df4c841c30d414cfee93573963036abfd669627081705c6a0d9e65fd6846f53

SHA512
635d1e473a0f2cebad020f80e211b55bcb12742ddde1e65db182b077c8873f639b491ab8d11a6781095cf16729e03f93696514de72b58efad8157fad3ff399f1

Download Submit
memory/2348-9-0x0000000010000000-0x00000000100C2000-memory.dmp

Filesize
776KB

Download
memory/2348-8-0x0000000010000000-0x00000000100C2000-memory.dmp

Filesize
776KB

Download
memory/2348-20-0x0000000010000000-0x00000000100C2000-memory.dmp

Filesize
776KB

Download
memory/2472-10-0x00000000002B0000-0x000000000031B000-memory.dmp

Filesize
428KB

Download
memory/2472-11-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2472-18-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

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