a469d8ec35c86e1e94f31c37c3008a3e445fee8c62a0f855716e2fe6bd906e19

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
14-05-2024 09:41

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General

Target

uninst.exe
Size

77KB
MD5

3480cddfab2ad4fb9166adb1d1bfa37a
SHA1

9004b51c1c6855ebae9dbf15a13ed9856637c872
SHA256

c4b87136cac18013c7e218730481542d3f68f67a3ec830018517802872996084
SHA512

e2052bbeb1ff67dc1c2be223f6d26d29a04ba4c24f287e7e251600d4eb9849953eee105e3a61d46b08ee683c3693363df08513dc04fdfcbfa335e387cf882375
SSDEEP

1536:fU+dcy3fxBk9UmZHs/hc/UYRN6QcIG3jAH5Hskb4:fNzPHk9Mpc/UqSo6kc

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1492	Un_A.exe

Executes dropped EXE 1 IoCs

pid	Process
1492	Un_A.exe

Loads dropped DLL 1 IoCs

pid	Process
1492	Un_A.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral12/files/0x000700000002340c-4.dat	nsis_installer_1
behavioral12/files/0x000700000002340c-4.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 1492	2488	uninst.exe	83
PID 2488 wrote to memory of 1492	2488	uninst.exe	83
PID 2488 wrote to memory of 1492	2488	uninst.exe	83

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2488
- 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⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1492

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

C:\Users\Admin\AppData\Local\Temp\nsr31A1.tmp\LangDLL.dll

Filesize
5KB

MD5
ea60c7bd5edd6048601729bd31362c16

SHA1
6e6919d969eb61a141595014395b6c3f44139073

SHA256
4e72c8b4d36f128b25281440e59e39af7ec2080d02e024f35ac413d769d91f39

SHA512
f9dc35220697153bb06e3a06caf645079881cb75aed008dbe5381ecaf3442d5be03500b36bbca8b3d114845fac3d667ddf4063c16bc35d29bbea862930939993

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

Filesize
77KB

MD5
3480cddfab2ad4fb9166adb1d1bfa37a

SHA1
9004b51c1c6855ebae9dbf15a13ed9856637c872

SHA256
c4b87136cac18013c7e218730481542d3f68f67a3ec830018517802872996084

SHA512
e2052bbeb1ff67dc1c2be223f6d26d29a04ba4c24f287e7e251600d4eb9849953eee105e3a61d46b08ee683c3693363df08513dc04fdfcbfa335e387cf882375

Download Submit