4dc3b3322933c0a71e75f83f59ef4dbe4ec0fb3b12271e6e75923b58dc7d1091

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
17-08-2024 02:13

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General

Target

uninst.exe
Size

64KB
MD5

c1a66456705673f4cec01badab037ae2
SHA1

8179bb77af4b5b099d9bf2e5050d8625202e0437
SHA256

90eab61e5aa7b82404a6e2e13514b7e8efd6259db3635fbbc9b0c49911aec937
SHA512

0d6a6d9210f2f8d9ef688d53fed1d42b1c388a6c60dc9d9ff47006a16f5f0aa7838c4f0b1e070c3142aa11060896eb9911580011e0fed09b558f44bdbfec9f8b
SSDEEP

1536:CRhoEXBpnbfRpQmJjg0eVAW0Ubg3XTsJLYKF:CjJ7nbppQmJjpFR2g3XTsJsKF

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1084	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
1084	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
3004	uninst.exe
1084	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

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1084	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 1084	3004	uninst.exe	30
PID 3004 wrote to memory of 1084	3004	uninst.exe	30
PID 3004 wrote to memory of 1084	3004	uninst.exe	30
PID 3004 wrote to memory of 1084	3004	uninst.exe	30

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:3004
- 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
  - Suspicious behavior: EnumeratesProcesses
  PID:1084

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\nsj2138.tmp\FindProcDLL.dll

Filesize
31KB

MD5
83cd62eab980e3d64c131799608c8371

SHA1
5b57a6842a154997e31fab573c5754b358f5dd1c

SHA256
a6122e80f1c51dc72770b4f56c7c482f7a9571143fbf83b19c4d141d0cb19294

SHA512
91cfbcc125600ec341f5571dcf1e4a814cf7673f82cf42f32155bd54791bbf32619f2bb14ae871d7996e9ddecdfcc5db40caa0979d6dfba3e73cfe8e69c163c9

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\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
64KB

MD5
c1a66456705673f4cec01badab037ae2

SHA1
8179bb77af4b5b099d9bf2e5050d8625202e0437

SHA256
90eab61e5aa7b82404a6e2e13514b7e8efd6259db3635fbbc9b0c49911aec937

SHA512
0d6a6d9210f2f8d9ef688d53fed1d42b1c388a6c60dc9d9ff47006a16f5f0aa7838c4f0b1e070c3142aa11060896eb9911580011e0fed09b558f44bdbfec9f8b

Download Submit