ramnit | 8ec8cbda4b1c30cf4a7328724f14c4b4999650dd2458572724f35f0574a773fc

General

Target

8ec8cbda4b1c30cf4a7328724f14c4b4999650dd2458572724f35f0574a773fc.dll
Size

556KB
MD5

05aac05edca095ed3b096e8ccaa22d0a
SHA1

64e69952c8dadefbb77e1373c64f02467a18d527
SHA256

8ec8cbda4b1c30cf4a7328724f14c4b4999650dd2458572724f35f0574a773fc
SHA512

ffcd62065a33b6f6d7e8156c023c81dd23480aec3509f787aa69b8d5a5314dc3add7257e886e0148e5f40518b779fcf37c78b87041aed0ff46ebd6e0fc9c0798
SSDEEP

12288:5hpUrEIZJqr1AkBWwNa5R0EYl795/amaX3QXaPKUoe4VOxj96lN:5/jG01NHXaP94T

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
908	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/908-64-0x0000000000400000-0x0000000000444000-memory.dmp	upx

Loads dropped DLL 4 IoCs

pid	Process
536	rundll32.exe
536	rundll32.exe
908	rundll32mgr.exe
908	rundll32mgr.exe

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
1000	536	WerFault.exe	27

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 536	768	rundll32.exe	27
PID 768 wrote to memory of 536	768	rundll32.exe	27
PID 768 wrote to memory of 536	768	rundll32.exe	27
PID 768 wrote to memory of 536	768	rundll32.exe	27
PID 768 wrote to memory of 536	768	rundll32.exe	27
PID 768 wrote to memory of 536	768	rundll32.exe	27
PID 768 wrote to memory of 536	768	rundll32.exe	27
PID 536 wrote to memory of 908	536	rundll32.exe	28
PID 536 wrote to memory of 908	536	rundll32.exe	28
PID 536 wrote to memory of 908	536	rundll32.exe	28
PID 536 wrote to memory of 908	536	rundll32.exe	28
PID 536 wrote to memory of 1000	536	rundll32.exe	29
PID 536 wrote to memory of 1000	536	rundll32.exe	29
PID 536 wrote to memory of 1000	536	rundll32.exe	29
PID 536 wrote to memory of 1000	536	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ec8cbda4b1c30cf4a7328724f14c4b4999650dd2458572724f35f0574a773fc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:768
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ec8cbda4b1c30cf4a7328724f14c4b4999650dd2458572724f35f0574a773fc.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:536
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:908
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 236
    3⤵
    - Program crash
    PID:1000

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
\Users\Admin\AppData\Local\Temp\~TM281.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM30F.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
memory/536-67-0x0000000010000000-0x000000001008C000-memory.dmp

Filesize
560KB

Download
memory/536-55-0x0000000076871000-0x0000000076873000-memory.dmp

Filesize
8KB

Download
memory/536-68-0x00000000008D0000-0x0000000000914000-memory.dmp

Filesize
272KB

Download
memory/536-69-0x00000000008D0000-0x0000000000914000-memory.dmp

Filesize
272KB

Download
memory/908-64-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/908-66-0x0000000077E80000-0x0000000078000000-memory.dmp

Filesize
1.5MB

Download
memory/908-65-0x0000000001B70000-0x0000000001BB4000-memory.dmp

Filesize
272KB

Download

Analysis

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