04c8b20143d0a5d92e21123c52417fdc06abaa5ed9baf7a40bc6bbdf79c0c236 | Triage

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/03/2024, 23:47

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General

Target

b9f86db30bfbcb12328b79984f2c5826.dll
Size

200KB
MD5

b9f86db30bfbcb12328b79984f2c5826
SHA1

7841060fa6dc5982fe583aafbc628333beb79533
SHA256

04c8b20143d0a5d92e21123c52417fdc06abaa5ed9baf7a40bc6bbdf79c0c236
SHA512

d2af375b9239f3a2884274c90ec2740232556cdd1f04424234a43bfbabf808f7df619e05531437572a23399cff2e83cf8d87e0bf49be88be487aa5cb44c9ac28
SSDEEP

6144:2o7uaJ1H/7e+X7CmNL0Tb/bHd/thJXSN:1uajH/7r7wfRPJXI

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

resource	yara_rule
behavioral1/memory/2076-0-0x0000000000400000-0x000000000048A000-memory.dmp	upx
behavioral1/memory/2076-1-0x0000000000400000-0x000000000048A000-memory.dmp	upx

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2076	2492	rundll32.exe	28
PID 2492 wrote to memory of 2076	2492	rundll32.exe	28
PID 2492 wrote to memory of 2076	2492	rundll32.exe	28
PID 2492 wrote to memory of 2076	2492	rundll32.exe	28
PID 2492 wrote to memory of 2076	2492	rundll32.exe	28
PID 2492 wrote to memory of 2076	2492	rundll32.exe	28
PID 2492 wrote to memory of 2076	2492	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9f86db30bfbcb12328b79984f2c5826.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9f86db30bfbcb12328b79984f2c5826.dll,#1
  2⤵
  PID:2076

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2076-0-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

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memory/2076-1-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

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