276fb9aaa5891fa085559bd168176203d14a1c97df09f05fd496fa060d79cb10

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
04-07-2024 23:52

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General

Target

uninstall.exe
Size

71KB
MD5

da943c4884b1375d00b226be923f0225
SHA1

b3947815a56c356490a2b54a42a51a2dc31ce503
SHA256

b3ba1664fae7d056d166889438cc897a731c78097ecec3cd122664206da8c8ba
SHA512

86e31c35f5e5d0b00763be7864889ad05ea6322f9ead8193ddb3be189099f0726ab6f634bbb4fd340df97172034169f8bb4f95f91ebedac1804bea05977a4f30
SSDEEP

1536:oQpQ5EP0ijnRTXJ88gg+SsN7buCryG4SDMw0zJR1s:oQIURTXJ88b+vnuCryG3YVK

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2028	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
2040	uninstall.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
behavioral21/files/0x00050000000194eb-2.dat	nsis_installer_1
behavioral21/files/0x00050000000194eb-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2028	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 2028	2040	uninstall.exe	28
PID 2040 wrote to memory of 2028	2040	uninstall.exe	28
PID 2040 wrote to memory of 2028	2040	uninstall.exe	28
PID 2040 wrote to memory of 2028	2040	uninstall.exe	28
PID 2040 wrote to memory of 2028	2040	uninstall.exe	28
PID 2040 wrote to memory of 2028	2040	uninstall.exe	28
PID 2040 wrote to memory of 2028	2040	uninstall.exe	28

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2040
- 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⤵
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2028

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
71KB

MD5
da943c4884b1375d00b226be923f0225

SHA1
b3947815a56c356490a2b54a42a51a2dc31ce503

SHA256
b3ba1664fae7d056d166889438cc897a731c78097ecec3cd122664206da8c8ba

SHA512
86e31c35f5e5d0b00763be7864889ad05ea6322f9ead8193ddb3be189099f0726ab6f634bbb4fd340df97172034169f8bb4f95f91ebedac1804bea05977a4f30

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