df8d5c1e306475f776e460ad64c54e8ecc09326dfd4bb95994528dd08c04ef9f

Analysis

max time kernel
140s
max time network
125s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11-07-2024 00:06

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General

Target

Uninst.exe
Size

37KB
MD5

0d3b187c4fbde817c5b46f60bb18738c
SHA1

8d2c75332908a6dbe78baaf4cd498c419fca353d
SHA256

37cadac7696f2cf57a15c58bf586ac7addd56111822d18574572f97cd72171fd
SHA512

d45f11bebe05f94fb57f11111e0e49d2ba59294cf9c1e80a8046bd4c8d96816a5773e3a30bb8519fca029ed9da12fa902b74abd69af87a69cb2a8a64b813e9c7
SSDEEP

768:L3CPkfOnbmBk1l180vzdvDw6+nbcuyD7U7g/2iZvAm6kRRI+6LJRnZV:mEOnnptDwBnouy87g/L1As6VV

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2284	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
2324	Uninst.exe
2284	Au_.exe
2284	Au_.exe
2284	Au_.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral7/memory/2324-0-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral7/files/0x0005000000019571-5.dat	upx
behavioral7/memory/2324-7-0x0000000000490000-0x00000000004D3000-memory.dmp	upx
behavioral7/memory/2284-18-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral7/memory/2324-11-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral7/memory/2284-19-0x0000000000400000-0x0000000000443000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2284	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2284	2324	Uninst.exe	31
PID 2324 wrote to memory of 2284	2324	Uninst.exe	31
PID 2324 wrote to memory of 2284	2324	Uninst.exe	31
PID 2324 wrote to memory of 2284	2324	Uninst.exe	31
PID 2324 wrote to memory of 2284	2324	Uninst.exe	31
PID 2324 wrote to memory of 2284	2324	Uninst.exe	31
PID 2324 wrote to memory of 2284	2324	Uninst.exe	31

C:\Users\Admin\AppData\Local\Temp\Uninst.exe
"C:\Users\Admin\AppData\Local\Temp\Uninst.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
37KB

MD5
0d3b187c4fbde817c5b46f60bb18738c

SHA1
8d2c75332908a6dbe78baaf4cd498c419fca353d

SHA256
37cadac7696f2cf57a15c58bf586ac7addd56111822d18574572f97cd72171fd

SHA512
d45f11bebe05f94fb57f11111e0e49d2ba59294cf9c1e80a8046bd4c8d96816a5773e3a30bb8519fca029ed9da12fa902b74abd69af87a69cb2a8a64b813e9c7

Download Submit
memory/2284-18-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2284-17-0x00000000002E0000-0x0000000000323000-memory.dmp

Filesize
268KB

Download
memory/2284-16-0x00000000002E0000-0x0000000000323000-memory.dmp

Filesize
268KB

Download
memory/2284-19-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2284-21-0x00000000002E0000-0x0000000000323000-memory.dmp

Filesize
268KB

Download
memory/2284-22-0x00000000002E0000-0x0000000000323000-memory.dmp

Filesize
268KB

Download
memory/2324-0-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2324-1-0x0000000000240000-0x0000000000283000-memory.dmp

Filesize
268KB

Download
memory/2324-2-0x0000000000240000-0x0000000000283000-memory.dmp

Filesize
268KB

Download
memory/2324-7-0x0000000000490000-0x00000000004D3000-memory.dmp

Filesize
268KB

Download
memory/2324-11-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download