99f82787fceb9fc942c370b2e16ccba58065bd9ac299f102c365298f174c77c4

Analysis

max time kernel
119s
max time network
131s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23-02-2024 04:36

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General

Target

uninstall.exe
Size

496KB
MD5

1e2fe8b87300f53aaaa63c19e685f6b9
SHA1

da132a7646ce80fd494929c93d7f2a543730b997
SHA256

aa2955b1997d63cf5ec490813234429572cac50e790ebe164e399723a697ffc4
SHA512

d1c40b6c99592456d6df44ff6327a0cc065a32f3d099a400faa00158516ebcc0f005aac9c6c891339d4364182c02733f95152562c1e64e12a3d79b179f09fefb
SSDEEP

12288:AYJtYfjVkqNpyRGnY+HrG3kkIBvsPBYj9/TCs23v:AYJCfWqfrY+L/BcSTCsU

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2340	Un_A.exe

Loads dropped DLL 3 IoCs

pid	Process
808	uninstall.exe
2340	Un_A.exe
2340	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
2340	Un_A.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 2340	808	uninstall.exe	28
PID 808 wrote to memory of 2340	808	uninstall.exe	28
PID 808 wrote to memory of 2340	808	uninstall.exe	28
PID 808 wrote to memory of 2340	808	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:808
- 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:2340

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\nst5997.tmp\LangDLL.dll

Filesize
5KB

MD5
68b287f4067ba013e34a1339afdb1ea8

SHA1
45ad585b3cc8e5a6af7b68f5d8269c97992130b3

SHA256
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

SHA512
06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

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\Users\Admin\AppData\Local\Temp\nst5997.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
496KB

MD5
1e2fe8b87300f53aaaa63c19e685f6b9

SHA1
da132a7646ce80fd494929c93d7f2a543730b997

SHA256
aa2955b1997d63cf5ec490813234429572cac50e790ebe164e399723a697ffc4

SHA512
d1c40b6c99592456d6df44ff6327a0cc065a32f3d099a400faa00158516ebcc0f005aac9c6c891339d4364182c02733f95152562c1e64e12a3d79b179f09fefb

Download Submit