ramnit | dc8aca4d119393a7b381db7c10258f2392d467a2e2cc7942491e2856c475c713

Analysis

max time kernel
34s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29/11/2022, 07:38

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General

Target

dc8aca4d119393a7b381db7c10258f2392d467a2e2cc7942491e2856c475c713.dll
Size

212KB
MD5

0882599e9930b04f02092fcc6e2c9374
SHA1

5caa7ab024e1324e47a30596dcb07cfc5909670b
SHA256

dc8aca4d119393a7b381db7c10258f2392d467a2e2cc7942491e2856c475c713
SHA512

ac4d77837b1fa84e28afda29f8d70bf2613c5842755ae1aa9f486396acd19e78afb0c86d678e89666f1b3e9010aee9cf05ba09e97ec1de46e0dc55f13fc9e495
SSDEEP

3072:wgKKuiX63bw5dNjDh8pWVgTlFIYaLIR9cMrnZMu6VsmdytsLTMkDYfkXUBc9gLl:hKZp3KNjVGvaLIRJTj6Cmdyt6PXTA

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
1900	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1900-67-0x0000000000400000-0x0000000000443000-memory.dmp	upx

Loads dropped DLL 4 IoCs

pid	Process
2004	rundll32.exe
2004	rundll32.exe
1900	rundll32mgr.exe
1900	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 2004	1608	rundll32.exe	26
PID 1608 wrote to memory of 2004	1608	rundll32.exe	26
PID 1608 wrote to memory of 2004	1608	rundll32.exe	26
PID 1608 wrote to memory of 2004	1608	rundll32.exe	26
PID 1608 wrote to memory of 2004	1608	rundll32.exe	26
PID 1608 wrote to memory of 2004	1608	rundll32.exe	26
PID 1608 wrote to memory of 2004	1608	rundll32.exe	26
PID 2004 wrote to memory of 1900	2004	rundll32.exe	27
PID 2004 wrote to memory of 1900	2004	rundll32.exe	27
PID 2004 wrote to memory of 1900	2004	rundll32.exe	27
PID 2004 wrote to memory of 1900	2004	rundll32.exe	27

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc8aca4d119393a7b381db7c10258f2392d467a2e2cc7942491e2856c475c713.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc8aca4d119393a7b381db7c10258f2392d467a2e2cc7942491e2856c475c713.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2004
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:1900

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
8abf6898662a995642dd979ff1fe5eef

SHA1
08aeda19120993801a6f3a8aa2b73b559ed361ad

SHA256
8aa6d0613c1ad6326d92678bc90dd10be1fba7a5b5f9d7a4a6fac6a42baf94cb

SHA512
a1e88bde3478d8a0c74824998b13e1fdf4484eec444540352076acc43675ecd2daed86e719b3889e7e8ce2104b2b7259a237b42d474acbca8f7e7fb3f37a3313

Download Submit
\Users\Admin\AppData\Local\Temp\~TM9B76.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM9BF3.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
8abf6898662a995642dd979ff1fe5eef

SHA1
08aeda19120993801a6f3a8aa2b73b559ed361ad

SHA256
8aa6d0613c1ad6326d92678bc90dd10be1fba7a5b5f9d7a4a6fac6a42baf94cb

SHA512
a1e88bde3478d8a0c74824998b13e1fdf4484eec444540352076acc43675ecd2daed86e719b3889e7e8ce2104b2b7259a237b42d474acbca8f7e7fb3f37a3313

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
8abf6898662a995642dd979ff1fe5eef

SHA1
08aeda19120993801a6f3a8aa2b73b559ed361ad

SHA256
8aa6d0613c1ad6326d92678bc90dd10be1fba7a5b5f9d7a4a6fac6a42baf94cb

SHA512
a1e88bde3478d8a0c74824998b13e1fdf4484eec444540352076acc43675ecd2daed86e719b3889e7e8ce2104b2b7259a237b42d474acbca8f7e7fb3f37a3313

Download Submit
memory/1900-62-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1900-67-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1900-68-0x0000000077480000-0x0000000077600000-memory.dmp

Filesize
1.5MB

Download
memory/1900-66-0x00000000001B0000-0x00000000001F3000-memory.dmp

Filesize
268KB

Download
memory/2004-56-0x0000000010000000-0x0000000010037000-memory.dmp

Filesize
220KB

Download
memory/2004-55-0x0000000075A91000-0x0000000075A93000-memory.dmp

Filesize
8KB

Download
memory/2004-61-0x0000000000230000-0x0000000000273000-memory.dmp

Filesize
268KB

Download