98a7fccdb0443b44fa3afabc5c673d4419014668992e531766a18b9f4bcb133d

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
02-09-2024 18:21

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General

Target

uninstall.exe
Size

73KB
MD5

94f76f791bfd3eff7deeaf6b5be9c96d
SHA1

fb5908c74adbc08f42dda5060ce170b49c89c568
SHA256

0cb4a8528e62e43af13c271ccacc641ae1dcd9e21f8576ad629dcbafc1feced3
SHA512

7c96de0581ca2b3d280cefff83f7f19ccca923befcc5882503613f8f20a7877aab9ce6758783e99033930de79b5038e2226d51f2d6bc63c1731936456adf19f2
SSDEEP

1536:HmsAYBdTU9fEAIS2PEtuTgdLeAyNxu6/qP78SBc2ZZ4a0KEfo/:GfY/TU9fE9PEtuTceAv97/Co/

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2452	Un_A.exe

Loads dropped DLL 3 IoCs

pid	Process
2940	uninstall.exe
2452	Un_A.exe
2452	Un_A.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	Un_A.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uninstall.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2452	Un_A.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 2452	2940	uninstall.exe	31
PID 2940 wrote to memory of 2452	2940	uninstall.exe	31
PID 2940 wrote to memory of 2452	2940	uninstall.exe	31
PID 2940 wrote to memory of 2452	2940	uninstall.exe	31

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2940
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2452

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\nseEC16.tmp\LangDLL.dll

Filesize
5KB

MD5
68b287f4067ba013e34a1339afdb1ea8

SHA1
45ad585b3cc8e5a6af7b68f5d8269c97992130b3

SHA256
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

SHA512
06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

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\Users\Admin\AppData\Local\Temp\nseEC16.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
73KB

MD5
94f76f791bfd3eff7deeaf6b5be9c96d

SHA1
fb5908c74adbc08f42dda5060ce170b49c89c568

SHA256
0cb4a8528e62e43af13c271ccacc641ae1dcd9e21f8576ad629dcbafc1feced3

SHA512
7c96de0581ca2b3d280cefff83f7f19ccca923befcc5882503613f8f20a7877aab9ce6758783e99033930de79b5038e2226d51f2d6bc63c1731936456adf19f2

Download Submit