da96ab9066c82c4c0350c25d4dc0486472c9ab620dc353768ed31846bef60dd7

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
20/06/2024, 11:17

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General

Target

Uninstall.exe
Size

47KB
MD5

3879c294807a6bce17bf898c20a4050a
SHA1

6ca837435d7f023c04d8d58e1ee91cc84a04c073
SHA256

c748a87b14b5d024ac857805422a904c3f2b1d1e734d61ac34d0328a30b94008
SHA512

1b71a9711670cef99ca48ef2c206f0a504600f03688a5a8c1c147c127b89cc80d7680223be921cc2feef2911727b3b137db9be8736475cd088d3d9d00cbc70f7
SSDEEP

768:so+q3yXQptuh9G+5HjQ13PoTSIato8vwJjXO+tXJLiEV9aIAGQuodDke9Kni/c:sbq3+uta99Hj25XvwLXJLikADuodDk4+

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1536	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
772	Uninstall.exe
1536	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
behavioral13/files/0x0006000000016557-2.dat	nsis_installer_1
behavioral13/files/0x0006000000016557-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1536	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 772 wrote to memory of 1536	772	Uninstall.exe	28
PID 772 wrote to memory of 1536	772	Uninstall.exe	28
PID 772 wrote to memory of 1536	772	Uninstall.exe	28
PID 772 wrote to memory of 1536	772	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:772
- 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:1536

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\nsoC14.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

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

Filesize
47KB

MD5
3879c294807a6bce17bf898c20a4050a

SHA1
6ca837435d7f023c04d8d58e1ee91cc84a04c073

SHA256
c748a87b14b5d024ac857805422a904c3f2b1d1e734d61ac34d0328a30b94008

SHA512
1b71a9711670cef99ca48ef2c206f0a504600f03688a5a8c1c147c127b89cc80d7680223be921cc2feef2911727b3b137db9be8736475cd088d3d9d00cbc70f7

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