c4865e85bf77580a76cf37177dc0e4c0c5e4a471437111e891f55ea7b557cafe

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
23/06/2024, 22:48

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General

Target

uninst.exe
Size

56KB
MD5

692328b04a13bbcfbd177be704cabc17
SHA1

3c4ec763e3e8346a4215b46bb16857445de6547d
SHA256

a7f15c3c84acb7348d322663288070b92c44d6e7141d77fa314ed807025f7d51
SHA512

74f20cd11d472b7fc61be559d7bfc8ae9348ecd06fa33f0f06b55dd46c7879d7cac317e63f568108d13f449d04cc5979db3c258edabe2947633cf16fe5bb7f7b
SSDEEP

768:d1cVhpQI2EQK0iPDh84nScF15GYbWjXO3XJ+Lgd2iZQAm6kRRS+NoJRneAa6Vl6c:rQpQ5EP0ijnRTXJ+LgdLeAyNxAa6Vv3

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1440	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
1440	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
2248	uninst.exe
1440	Au_.exe
1440	Au_.exe
1440	Au_.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral15/files/0x00050000000196c3-10.dat	nsis_installer_1
behavioral15/files/0x00050000000196c3-10.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 1440	2248	uninst.exe	28
PID 2248 wrote to memory of 1440	2248	uninst.exe	28
PID 2248 wrote to memory of 1440	2248	uninst.exe	28
PID 2248 wrote to memory of 1440	2248	uninst.exe	28
PID 2248 wrote to memory of 1440	2248	uninst.exe	28
PID 2248 wrote to memory of 1440	2248	uninst.exe	28
PID 2248 wrote to memory of 1440	2248	uninst.exe	28

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2248
- 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
  PID:1440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
56KB

MD5
692328b04a13bbcfbd177be704cabc17

SHA1
3c4ec763e3e8346a4215b46bb16857445de6547d

SHA256
a7f15c3c84acb7348d322663288070b92c44d6e7141d77fa314ed807025f7d51

SHA512
74f20cd11d472b7fc61be559d7bfc8ae9348ecd06fa33f0f06b55dd46c7879d7cac317e63f568108d13f449d04cc5979db3c258edabe2947633cf16fe5bb7f7b

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