370a27a30ee57247faddeb1f99a83933247e07c8760a07ed82e451e1cb5e5cdd

Analysis

max time kernel
134s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
12-01-2024 21:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Uninstall.exe
Size

46KB
MD5

a127e6118b9dd2f9d5a7cc4d697a0105
SHA1

9ac17d4dcf0884ceafacf10c42209c0942dfe7a8
SHA256

afc864cfce79b2a6add491a27ea672d958233ed7a97a2cbbce60100d2fa1e670
SHA512

0e57d2856c02c55d477d9b3cc1d4bf5ffa3650d4b20be18b0a9e614d19143aee325c4cd92ff31bbddf6e93cd3ebeb47d8727de6e25faa366341cc71117122065
SSDEEP

768:tnCHBjSfD0RDSjiN+WWrHcRtf55M4z54q+F5871mJMOUlNu0ZBA9U:MHFSfARDSW0HefHbmJZUlNu0bP

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Au_.exe

pid process

1128 Au_.exe
Loads dropped DLL 1 IoCs

Processes:

Au_.exe

pid process

1128 Au_.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1128	Au_.exe

pid	process
1128	Au_.exe

NSIS installer 1 IoCs

installer

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe	nsis_installer_1

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

svchost.exe

description pid process

Token: SeManageVolumePrivilege 3680 svchost.exe

description	pid	process
Token: SeManageVolumePrivilege	3680	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Uninstall.exe

description	pid	process	target process
PID 4212 wrote to memory of 1128	4212	Uninstall.exe	Au_.exe
PID 4212 wrote to memory of 1128	4212	Uninstall.exe	Au_.exe
PID 4212 wrote to memory of 1128	4212	Uninstall.exe	Au_.exe

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4212

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
PID:1128

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:2196

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3680

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nsf541D.tmp\System.dll
Filesize
10KB

MD5
4125926391466fdbe8a4730f2374b033

SHA1
fdd23034ada72d2537939ac6755d7f7c0e9b3f0e

SHA256
6692bd93bcd04146831652780c1170da79aa3784c3c070d95fb1580e339de6c5

SHA512
32a1cf96842454b3c3641316ee39051ae024bdce9e88ac236eadad531f2c0a08d46b77d525f7d994c9a5af4cc9a391d30ee92b9ec782b7fb9a42c76f0f52a008

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Filesize
46KB

MD5
a127e6118b9dd2f9d5a7cc4d697a0105

SHA1
9ac17d4dcf0884ceafacf10c42209c0942dfe7a8

SHA256
afc864cfce79b2a6add491a27ea672d958233ed7a97a2cbbce60100d2fa1e670

SHA512
0e57d2856c02c55d477d9b3cc1d4bf5ffa3650d4b20be18b0a9e614d19143aee325c4cd92ff31bbddf6e93cd3ebeb47d8727de6e25faa366341cc71117122065

Download Submit
memory/3680-11-0x00000198ED150000-0x00000198ED160000-memory.dmp

Filesize
64KB

Download
memory/3680-27-0x00000198ED250000-0x00000198ED260000-memory.dmp

Filesize
64KB

Download
memory/3680-43-0x00000198F55C0000-0x00000198F55C1000-memory.dmp

Filesize
4KB

Download
memory/3680-45-0x00000198F55F0000-0x00000198F55F1000-memory.dmp

Filesize
4KB

Download
memory/3680-46-0x00000198F55F0000-0x00000198F55F1000-memory.dmp

Filesize
4KB

Download
memory/3680-47-0x00000198F5700000-0x00000198F5701000-memory.dmp

Filesize
4KB

Download