032daaf7b4b08a86d3f04346d0c88e5a8ae96e35641a10d88c443c156819bf0e

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
03/06/2024, 06:34

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General

Target

uninstall.exe
Size

623KB
MD5

89dadf902c5a6543e3333579e4ca4e91
SHA1

1fcb222f3a08707d5e505b4899a0dccb482569db
SHA256

c8ef6ff385e19782411f1aa86d79ef154b9dfee15b2b2d4387814c9b3bb32bdd
SHA512

47bef3cb50c16bef252a74256e8f2482ef78dcbf874eda183ff140c6d603ec3f8dcc9bc03a299e3006e1b4000d29e4f95e657dbddbb6f740c0bb09a40ba9a7b5
SSDEEP

12288:KYlAyEhj+cJREqIT3kElx52Cco/JPtKELvIBWp6:KYlAyEhqcAqILN2PBy0

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1624	Un_A.exe

Loads dropped DLL 3 IoCs

pid	Process
2872	uninstall.exe
1624	Un_A.exe
1624	Un_A.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

pid	Process
1624	Un_A.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 1624	2872	uninstall.exe	28
PID 2872 wrote to memory of 1624	2872	uninstall.exe	28
PID 2872 wrote to memory of 1624	2872	uninstall.exe	28
PID 2872 wrote to memory of 1624	2872	uninstall.exe	28

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1624

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\nsd14F9.tmp\LangDLL.dll

Filesize
5KB

MD5
68b287f4067ba013e34a1339afdb1ea8

SHA1
45ad585b3cc8e5a6af7b68f5d8269c97992130b3

SHA256
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

SHA512
06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

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\Users\Admin\AppData\Local\Temp\nsd14F9.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

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\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

Filesize
623KB

MD5
89dadf902c5a6543e3333579e4ca4e91

SHA1
1fcb222f3a08707d5e505b4899a0dccb482569db

SHA256
c8ef6ff385e19782411f1aa86d79ef154b9dfee15b2b2d4387814c9b3bb32bdd

SHA512
47bef3cb50c16bef252a74256e8f2482ef78dcbf874eda183ff140c6d603ec3f8dcc9bc03a299e3006e1b4000d29e4f95e657dbddbb6f740c0bb09a40ba9a7b5

Download Submit