ramnit | e6eae51e871135a35a475103037ad9c9fdb72a385dcdeb0ac008ac7a9f1b2dd7

Analysis

max time kernel
30s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 12:06

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General

Target

e6eae51e871135a35a475103037ad9c9fdb72a385dcdeb0ac008ac7a9f1b2dd7.dll
Size

529KB
MD5

17aab61fd07d1b6be9597fbfb9f30be8
SHA1

4e7081044487348ab1e34c2f5fb6ff54e00feb80
SHA256

e6eae51e871135a35a475103037ad9c9fdb72a385dcdeb0ac008ac7a9f1b2dd7
SHA512

faff319542a709e36f55f788770bc259964f94a11254ee84f6d0977807498bf25aa1971758ad51d4cdac54f77633f586b573dfe4ff6fe92dcd5d7c661fb2ab7b
SSDEEP

12288:nh8fZLyb9PzVMBC/HVMOp4PkxHLCYwZckMQMNYsLtnj:n8F+Pzr/Hfp4MIYwZckMQm3Ltnj

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
1888	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1888-64-0x0000000000400000-0x0000000000443000-memory.dmp	upx

Loads dropped DLL 4 IoCs

pid	Process
608	rundll32.exe
608	rundll32.exe
1888	rundll32mgr.exe
1888	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 1648 wrote to memory of 608	1648	rundll32.exe	28
PID 1648 wrote to memory of 608	1648	rundll32.exe	28
PID 1648 wrote to memory of 608	1648	rundll32.exe	28
PID 1648 wrote to memory of 608	1648	rundll32.exe	28
PID 1648 wrote to memory of 608	1648	rundll32.exe	28
PID 1648 wrote to memory of 608	1648	rundll32.exe	28
PID 1648 wrote to memory of 608	1648	rundll32.exe	28
PID 608 wrote to memory of 1888	608	rundll32.exe	29
PID 608 wrote to memory of 1888	608	rundll32.exe	29
PID 608 wrote to memory of 1888	608	rundll32.exe	29
PID 608 wrote to memory of 1888	608	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e6eae51e871135a35a475103037ad9c9fdb72a385dcdeb0ac008ac7a9f1b2dd7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e6eae51e871135a35a475103037ad9c9fdb72a385dcdeb0ac008ac7a9f1b2dd7.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:608
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:1888

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
0cb81f6d8626e2aaea097091eec5e8f3

SHA1
9b821234e6f4c56c97457a9e0ea4253966b3f604

SHA256
b7499ff441fd4f38ea7b19b95ac394d8117bfac40d00b1e300532e1c42490b09

SHA512
09df46485a565ae2eb6acb3057836f33116f31333df323cf1554a6d9c3d12b3549a66b679f9867868eccce50d922f5679fb8e382c3211e23b5a7fbde58e47e02

Download Submit
\Users\Admin\AppData\Local\Temp\~TM198A.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM1A46.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
0cb81f6d8626e2aaea097091eec5e8f3

SHA1
9b821234e6f4c56c97457a9e0ea4253966b3f604

SHA256
b7499ff441fd4f38ea7b19b95ac394d8117bfac40d00b1e300532e1c42490b09

SHA512
09df46485a565ae2eb6acb3057836f33116f31333df323cf1554a6d9c3d12b3549a66b679f9867868eccce50d922f5679fb8e382c3211e23b5a7fbde58e47e02

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
0cb81f6d8626e2aaea097091eec5e8f3

SHA1
9b821234e6f4c56c97457a9e0ea4253966b3f604

SHA256
b7499ff441fd4f38ea7b19b95ac394d8117bfac40d00b1e300532e1c42490b09

SHA512
09df46485a565ae2eb6acb3057836f33116f31333df323cf1554a6d9c3d12b3549a66b679f9867868eccce50d922f5679fb8e382c3211e23b5a7fbde58e47e02

Download Submit
memory/608-55-0x0000000075811000-0x0000000075813000-memory.dmp

Filesize
8KB

Download
memory/1888-63-0x0000000000220000-0x0000000000263000-memory.dmp

Filesize
268KB

Download
memory/1888-64-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1888-65-0x0000000077290000-0x0000000077410000-memory.dmp

Filesize
1.5MB

Download