8109b2fe6fe61eec679d059c1e553c20777dde2b6b8200ce3bdf57b2f2068bf5

Analysis

max time kernel
148s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
20/09/2024, 03:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

uninst.exe
Size

56KB
MD5

53731b89e1c5fd02c209ed4129db684e
SHA1

78a34ff0f17a6fde269b31d86db99036e01cefca
SHA256

055140ecaa73d6bc79ef49173f6fbcfef3fe35619e9cce538eddca9b3b9023c4
SHA512

f9dbabe261e526351025bfbb9e81cf76e83da041d9523d28e54cf4b1808559b6920e69865189822319c5a86ee0a8ffda227c1483e76d1601184938b0d501c6c2
SSDEEP

1536:1PgXwpm4RmzZwCnUF2ICqdkJI6P+ZCsBTjt2bm:1PgXLdqF2fqdkJI1CiTjt2bm

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4000	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
4000	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
4000	Au_.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	Au_.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral30/files/0x0007000000023cad-4.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 4000	808	uninst.exe	84
PID 808 wrote to memory of 4000	808	uninst.exe	84
PID 808 wrote to memory of 4000	808	uninst.exe	84

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:808
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4000

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nscBE70.tmp\LangDLL.dll

Filesize
5KB

MD5
dbab668ce84d6b38824ed1c9b9121adb

SHA1
de8c80d7b0d01fafb750b2bded1f055d102aa3d0

SHA256
ede19cf9613ccbf2f4c731f6eb1460efe56484e97c8a0745a2a5460571e64f11

SHA512
5857680db3b642f14742ad55a3349cbe059c18c5dc58ae0def53886df5eb2c9abf5e444db1bc8449db779c33e940f8f2c4a7520ad8f374b9f2f01e57d6a2c953

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
56KB

MD5
53731b89e1c5fd02c209ed4129db684e

SHA1
78a34ff0f17a6fde269b31d86db99036e01cefca

SHA256
055140ecaa73d6bc79ef49173f6fbcfef3fe35619e9cce538eddca9b3b9023c4

SHA512
f9dbabe261e526351025bfbb9e81cf76e83da041d9523d28e54cf4b1808559b6920e69865189822319c5a86ee0a8ffda227c1483e76d1601184938b0d501c6c2

Download Submit