66aa0c03391ee652cb25383055da60ae88ea9c882cc191112edc45e666c6520e

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-10-2024 11:52

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General

Target

uninst.exe
Size

49KB
MD5

174ef29aa2be7393728266310e58a7f5
SHA1

3838345551757bfc3f5e904e4ee6542c73599076
SHA256

bf62404f88a4294aa7ff38c49a1b17db5b530bd1425559035b1c4543db895740
SHA512

120bee31589a41710217c7f7a9b52886f06c07758f71c82f55eb976bfb4b938d4ceb4e6e7ce32747331949323fdbc7ed73db4350b144a8a57297ceb10513768c
SSDEEP

768:rnYYHhho+VUkSko1SJvs8evqUlwPSGiVKuPgd2iZQAm6kRRS+NoJRneU9+M:kYHhhDWkSkWIGq4wjiKuPgdLeAyNxUj

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2828	Un_A.exe

Executes dropped EXE 1 IoCs

pid	Process
2828	Un_A.exe

Loads dropped DLL 1 IoCs

pid	Process
2688	uninst.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uninst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_A.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2828	2688	uninst.exe	31
PID 2688 wrote to memory of 2828	2688	uninst.exe	31
PID 2688 wrote to memory of 2828	2688	uninst.exe	31
PID 2688 wrote to memory of 2828	2688	uninst.exe	31

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- 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
  - System Location Discovery: System Language Discovery
  PID:2828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
49KB

MD5
174ef29aa2be7393728266310e58a7f5

SHA1
3838345551757bfc3f5e904e4ee6542c73599076

SHA256
bf62404f88a4294aa7ff38c49a1b17db5b530bd1425559035b1c4543db895740

SHA512
120bee31589a41710217c7f7a9b52886f06c07758f71c82f55eb976bfb4b938d4ceb4e6e7ce32747331949323fdbc7ed73db4350b144a8a57297ceb10513768c

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