ac349ddf5d93a43f30ab2566ea00404e017a87b5c715f2b258624e5e488d16ea

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
01-05-2024 03:14

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General

Target

uninst.exe
Size

74KB
MD5

824c6a64db468ffa51a3adcc94eb4357
SHA1

55ff974e05d677b92d9ffe09a87fe2fcffdc2cfb
SHA256

7a19501139f17d9fc5cfd90719e391775b5596a258cd3167838473b692f913ee
SHA512

b46dcb2800cf2853a621e73c4d982510b9252747544bffc5ef4c2c304c2219937a7fc7be4716801b5ddbe3e35f307160cc5b614af888771baa3a3113ea3d13f6
SSDEEP

1536:FFI4LGXy7W7EJGb90DcYzIagmYRN5L9A5AuG+TFgeK7Bj:/IWGC7W7BuDcYzIaxqZ9AVTF7MBj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Au_.exe

pid process

904 Au_.exe
Loads dropped DLL 1 IoCs

Processes:

uninst.exe

pid process

2012 uninst.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Au_.exe

pid process

904 Au_.exe

pid	process
904	Au_.exe

pid	process
2012	uninst.exe

pid	process
904	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

uninst.exe

description	pid	process	target process
PID 2012 wrote to memory of 904	2012	uninst.exe	Au_.exe
PID 2012 wrote to memory of 904	2012	uninst.exe	Au_.exe
PID 2012 wrote to memory of 904	2012	uninst.exe	Au_.exe
PID 2012 wrote to memory of 904	2012	uninst.exe	Au_.exe

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:2012

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
- Suspicious behavior: GetForegroundWindowSpam
PID:904

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Filesize
74KB

MD5
824c6a64db468ffa51a3adcc94eb4357

SHA1
55ff974e05d677b92d9ffe09a87fe2fcffdc2cfb

SHA256
7a19501139f17d9fc5cfd90719e391775b5596a258cd3167838473b692f913ee

SHA512
b46dcb2800cf2853a621e73c4d982510b9252747544bffc5ef4c2c304c2219937a7fc7be4716801b5ddbe3e35f307160cc5b614af888771baa3a3113ea3d13f6

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