6d6611463a02ae95421da86ea2be11fbeb260fddfdedb20be9561616ff33ced5

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
09/07/2024, 00:50

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General

Target

Uninstall.exe
Size

49KB
MD5

5bfaaf0f67c1e620e6cb41fa9c72e6be
SHA1

33bb6199bc40db42f961ffbd1fcbf1ebb8082c9f
SHA256

a64a14895601ec3ea0f8f67db828e0f08ab9614ae4bd03a9b017f9f87eca6d4a
SHA512

817f2538949e2bef3bcd728e3c409d026f27b970da2c1e3be00209032ce38bce8cf2c1add549d6a1a732a0f67e46facec8eaf656a025820d6528ecf265b91e1f
SSDEEP

768:8/UpAHiGjRQ1kkjH918xnyzOp7OssT1pF/O71mJ/Xgd2iZQAm6kRRS+NoJRnEp4c:gUeHiWRgkkjH8nyWmJfgdLeAyN/p4JWV

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2540	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
1980	Uninstall.exe
2540	Au_.exe
2540	Au_.exe
2540	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
behavioral9/files/0x0005000000019c4b-2.dat	nsis_installer_1
behavioral9/files/0x0005000000019c4b-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2540	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 2540	1980	Uninstall.exe	30
PID 1980 wrote to memory of 2540	1980	Uninstall.exe	30
PID 1980 wrote to memory of 2540	1980	Uninstall.exe	30
PID 1980 wrote to memory of 2540	1980	Uninstall.exe	30
PID 1980 wrote to memory of 2540	1980	Uninstall.exe	30
PID 1980 wrote to memory of 2540	1980	Uninstall.exe	30
PID 1980 wrote to memory of 2540	1980	Uninstall.exe	30

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:1980
- 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
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2540

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
49KB

MD5
5bfaaf0f67c1e620e6cb41fa9c72e6be

SHA1
33bb6199bc40db42f961ffbd1fcbf1ebb8082c9f

SHA256
a64a14895601ec3ea0f8f67db828e0f08ab9614ae4bd03a9b017f9f87eca6d4a

SHA512
817f2538949e2bef3bcd728e3c409d026f27b970da2c1e3be00209032ce38bce8cf2c1add549d6a1a732a0f67e46facec8eaf656a025820d6528ecf265b91e1f

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