9ccc6b26315468a08a3822ff6d180d5525bbd3c80b91a0e31502e256876d033f

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
28-05-2024 02:02

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General

Target

uninstall.exe
Size

58KB
MD5

a53a912fab731bed752d8421d7de4dd2
SHA1

90289c2fa0c47350cd85ea1cb5d5e13de27f551a
SHA256

960293e0cfc7f99fe7d6f90065e3712c0ebfdfb3a259e9d2758fe305aa57c61a
SHA512

f9e2c3ccf04664bfd90f8d30ab35e8be64b5c6cc0b5d8d795a7d7b514a50277831637a4acbbe03113bb3c17abec9765122e3122e7c12672e278505d2d56feda6
SSDEEP

1536:j1E/rzW2pakRmB7BW3nKsciPgdLeAyN0X7qgFXYtP:j1E/rS2paccKntcqceAD7vFXYtP

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2088	Un_A.exe

Loads dropped DLL 1 IoCs

pid	Process
944	uninstall.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
behavioral9/files/0x0008000000013172-2.dat	nsis_installer_1
behavioral9/files/0x0008000000013172-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2088	Un_A.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 944 wrote to memory of 2088	944	uninstall.exe	28
PID 944 wrote to memory of 2088	944	uninstall.exe	28
PID 944 wrote to memory of 2088	944	uninstall.exe	28
PID 944 wrote to memory of 2088	944	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:944
- 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
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2088

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\~nsuA.tmp\Un_A.exe

Filesize
58KB

MD5
a53a912fab731bed752d8421d7de4dd2

SHA1
90289c2fa0c47350cd85ea1cb5d5e13de27f551a

SHA256
960293e0cfc7f99fe7d6f90065e3712c0ebfdfb3a259e9d2758fe305aa57c61a

SHA512
f9e2c3ccf04664bfd90f8d30ab35e8be64b5c6cc0b5d8d795a7d7b514a50277831637a4acbbe03113bb3c17abec9765122e3122e7c12672e278505d2d56feda6

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