9bf9cdfe3da7a30b319c6dc1c25967ea68c9025c0115917bc09ddfc0ac956402

Analysis

max time kernel
377s
max time network
438s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
12-09-2024 02:17

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General

Target

uninstall.exe
Size

74KB
MD5

e82b67486a786bdf82f0c37880a96b37
SHA1

2b844af6911af0ae8995bd708765d7e4a747b728
SHA256

f39e03d529f97197e7e676c5c397e83419ea27215f96dc4106995d4d2e218985
SHA512

4107a984d17dc0fd7841e01932368e6a6cf9f52ab4004d8b9818d1d1ef0ca22894a30825ea22667d8c08257e5dbb3fc5d9dbfe5631d6a3240fbbfedfc0f7c3ef
SSDEEP

1536:XmsAYBdTU9fEAIS2PEtuugdLeAyNxS7GlSK8KPKVfJcq3:WfY/TU9fE9PEtuuceArsS3pVfWq3

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4768	Un_A.exe

Loads dropped DLL 2 IoCs

pid	Process
4768	Un_A.exe
4768	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	uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_A.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4404 wrote to memory of 4768	4404	uninstall.exe	72
PID 4404 wrote to memory of 4768	4404	uninstall.exe	72
PID 4404 wrote to memory of 4768	4404	uninstall.exe	72

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4404
- 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
  PID:4768

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

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

Filesize
74KB

MD5
e82b67486a786bdf82f0c37880a96b37

SHA1
2b844af6911af0ae8995bd708765d7e4a747b728

SHA256
f39e03d529f97197e7e676c5c397e83419ea27215f96dc4106995d4d2e218985

SHA512
4107a984d17dc0fd7841e01932368e6a6cf9f52ab4004d8b9818d1d1ef0ca22894a30825ea22667d8c08257e5dbb3fc5d9dbfe5631d6a3240fbbfedfc0f7c3ef

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\Users\Admin\AppData\Local\Temp\nsa6236.tmp\LangDLL.dll

Filesize
5KB

MD5
68b287f4067ba013e34a1339afdb1ea8

SHA1
45ad585b3cc8e5a6af7b68f5d8269c97992130b3

SHA256
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

SHA512
06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

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\Users\Admin\AppData\Local\Temp\nsa6236.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

Download Submit