ramnit | 15df5f721bafcaab67398867496ce175322c444eaa04a0331340724612dd22df

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26-12-2023 05:06

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General

Target

569b1742fdb085f02e6ba43aaf82e972.dll
Size

148KB
MD5

569b1742fdb085f02e6ba43aaf82e972
SHA1

0e88ebd12fc32b837aacfc9a3d62705226f0c7e8
SHA256

15df5f721bafcaab67398867496ce175322c444eaa04a0331340724612dd22df
SHA512

2577c1cfca6a520390cd1ffd6b09bcd74d3d9e9651c567b10b9f524f799514d45903a2dcefd5352447977227a0dbafbb3abc85952ba9eb06f72995e4a3c9fc10
SSDEEP

3072:MhBHetoRG3mlF0XSfK8j7Bpz3aBUEsRLEq84Rel697vNG:MDHfF0XSy8jtpzqBUpRd8Nw7vNG

Score

10^/10

ramnit banker 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
1292	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
1108	rundll32.exe
1108	rundll32.exe
1292	rundll32mgr.exe
1292	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1292-22-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2800	1292	WerFault.exe	29

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1108	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 1108	2000	rundll32.exe	28
PID 2000 wrote to memory of 1108	2000	rundll32.exe	28
PID 2000 wrote to memory of 1108	2000	rundll32.exe	28
PID 2000 wrote to memory of 1108	2000	rundll32.exe	28
PID 2000 wrote to memory of 1108	2000	rundll32.exe	28
PID 2000 wrote to memory of 1108	2000	rundll32.exe	28
PID 2000 wrote to memory of 1108	2000	rundll32.exe	28
PID 1108 wrote to memory of 1292	1108	rundll32.exe	29
PID 1108 wrote to memory of 1292	1108	rundll32.exe	29
PID 1108 wrote to memory of 1292	1108	rundll32.exe	29
PID 1108 wrote to memory of 1292	1108	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\569b1742fdb085f02e6ba43aaf82e972.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\569b1742fdb085f02e6ba43aaf82e972.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1108
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:1292
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 180
      4⤵
      Program crash
      PID:2800

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\~TM6E7C.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM6F28.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
106KB

MD5
dcd2cafa72c9d5bd898b636a18133d3c

SHA1
b55e85453de9254cbf4c21c0de92d82c6deefccb

SHA256
936b14fbbf629fcf92ac06673d974de2b2a44a109953e6664e1c36a4e5c9d27c

SHA512
59e475f668015b3a6372d79ea6459b21ae591d73305b7696ef139fe0e716f1038595ea5df079e1850535e6358aef4d8e92bdee68ffd07b44471bc7133041952c

Download Submit
memory/1108-2-0x0000000010000000-0x0000000010026000-memory.dmp

Filesize
152KB

Download
memory/1292-16-0x0000000077CA0000-0x0000000077CA2000-memory.dmp

Filesize
8KB

Download
memory/1292-14-0x0000000077C9F000-0x0000000077CA1000-memory.dmp

Filesize
8KB

Download
memory/1292-9-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1292-15-0x0000000077CA0000-0x0000000077CA1000-memory.dmp

Filesize
4KB

Download
memory/1292-10-0x00000000002B0000-0x00000000002DA000-memory.dmp

Filesize
168KB

Download
memory/1292-20-0x0000000075710000-0x0000000075820000-memory.dmp

Filesize
1.1MB

Download
memory/1292-21-0x0000000075710000-0x0000000075820000-memory.dmp

Filesize
1.1MB

Download
memory/1292-22-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1292-23-0x0000000075710000-0x0000000075820000-memory.dmp

Filesize
1.1MB

Download