ramnit | dcb4435511db5c546dc54e90a7803659d5cc8026b21fee5be8899f502ec74e8e

Analysis

max time kernel
186s
max time network
191s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2022 07:38

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General

Target

dcb4435511db5c546dc54e90a7803659d5cc8026b21fee5be8899f502ec74e8e.dll
Size

193KB
MD5

02b4ecf766b8a1095b740fe09cd6da6b
SHA1

1fa84ab87171c9648b3f4132fd988ca1d301d651
SHA256

dcb4435511db5c546dc54e90a7803659d5cc8026b21fee5be8899f502ec74e8e
SHA512

71053e08173144d9a9e04b50648b58af6c209c4267e3fa25ce0afb12944a7c53a78f98252323abc675abadabe4fa6b62d2f74817a39c4fdf65d841b474280d4e
SSDEEP

3072:rOBOLWXivHYMzv2HvP5YeBTEEP2831Vr/rF8QOSta7WeG/Cl0ZRRGJ3aJ0DVfNLe:rOp8HpzdQOStKaoSvGmut1SVgsJEg7

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

Processes:

rundll32mgr.exe

pid process

4300 rundll32mgr.exe

pid	process
4300	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4300-138-0x0000000000400000-0x0000000000444000-memory.dmp	upx

Loads dropped DLL 1 IoCs

Processes:

rundll32mgr.exe

pid process

4300 rundll32mgr.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4396 4300 WerFault.exe rundll32mgr.exe

pid	process
4300	rundll32mgr.exe

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

pid	pid_target	process	target process
4396	4300	WerFault.exe	rundll32mgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1444 wrote to memory of 4592	1444	rundll32.exe	rundll32.exe
PID 1444 wrote to memory of 4592	1444	rundll32.exe	rundll32.exe
PID 1444 wrote to memory of 4592	1444	rundll32.exe	rundll32.exe
PID 4592 wrote to memory of 4300	4592	rundll32.exe	rundll32mgr.exe
PID 4592 wrote to memory of 4300	4592	rundll32.exe	rundll32mgr.exe
PID 4592 wrote to memory of 4300	4592	rundll32.exe	rundll32mgr.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dcb4435511db5c546dc54e90a7803659d5cc8026b21fee5be8899f502ec74e8e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1444

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dcb4435511db5c546dc54e90a7803659d5cc8026b21fee5be8899f502ec74e8e.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4592

C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 10176
4⤵
- Program crash
PID:4396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4300 -ip 4300
1⤵
PID:2464

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TM273F.tmp
Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe
Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe
Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
memory/4300-133-0x0000000000000000-mapping.dmp

Download
memory/4300-138-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4300-139-0x0000000002180000-0x00000000021C4000-memory.dmp

Filesize
272KB

Download
memory/4300-140-0x0000000077080000-0x0000000077223000-memory.dmp

Filesize
1.6MB

Download
memory/4592-132-0x0000000000000000-mapping.dmp

Download
memory/4592-137-0x0000000007000000-0x0000000007033000-memory.dmp

Filesize
204KB

Download