838d2f9aa24bb10a81b1d750e116c443100f2be1093fc138e31621fd5911c460 | Triage

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 19:03

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General

Target

c4210a26cc355b64ed5734df960b2b78.dll
Size

209KB
MD5

c4210a26cc355b64ed5734df960b2b78
SHA1

d0716e4ee39e2caefc5844b35143a4d7e38ae4ec
SHA256

838d2f9aa24bb10a81b1d750e116c443100f2be1093fc138e31621fd5911c460
SHA512

f000f29368d3c77c14c901573995b05b3b252134af1a16c01e32e1bfb3d35195f1d220f380f7bf887851495c001d3b56dd86895ef608dac9e43f32f0da777f43
SSDEEP

6144:T/q32rRjPhKuDkkLjp+ScgBKozpJ1XVSGuRq9M:myR9rIMHZBKI/XV2M

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

resource	yara_rule
behavioral2/memory/1064-0-0x0000000000400000-0x0000000000452000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2692	1064	WerFault.exe	88

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 1064	2000	rundll32.exe	88
PID 2000 wrote to memory of 1064	2000	rundll32.exe	88
PID 2000 wrote to memory of 1064	2000	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4210a26cc355b64ed5734df960b2b78.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4210a26cc355b64ed5734df960b2b78.dll,#1
  2⤵
  PID:1064
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1064 -s 568
    3⤵
    - Program crash
    PID:2692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1064 -ip 1064
1⤵
PID:4380

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1064-0-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1064-1-0x0000000000C60000-0x0000000000C74000-memory.dmp

Filesize
80KB

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