370a27a30ee57247faddeb1f99a83933247e07c8760a07ed82e451e1cb5e5cdd

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/02/2024, 22:29

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General

Target
Uninstall.exe
Size 46KB
Sample240229-2ejs3aec91
SHA256 afc864cfce79b2a6add491a27ea672d958233ed7a97a2cbbce60100d2fa1e670
MD5 a127e6118b9dd2f9d5a7cc4d697a0105
SHA1 9ac17d4dcf0884ceafacf10c42209c0942dfe7a8
SHA512 0e57d2856c02c55d477d9b3cc1d4bf5ffa3650d4b20be18b0a9e614d19143aee325c4cd92ff31bbddf6e93cd3ebeb47d8727de6e25faa366341cc71117122065
SSDEEP 768:tnCHBjSfD0RDSjiN+WWrHcRtf55M4z54q+F5871mJMOUlNu0ZBA9U:MHFSfARDSW0HefHbmJZUlNu0bP
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
548	Au_.exe

Loads dropped DLL 5 IoCs

pid	Process
2140	Uninstall.exe
548	Au_.exe
548	Au_.exe
548	Au_.exe
548	Au_.exe

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

System Information Discovery
T1082

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral9/files/0x0009000000014aec-3.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
548	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 548	2140	Uninstall.exe	28
PID 2140 wrote to memory of 548	2140	Uninstall.exe	28
PID 2140 wrote to memory of 548	2140	Uninstall.exe	28
PID 2140 wrote to memory of 548	2140	Uninstall.exe	28
PID 2140 wrote to memory of 548	2140	Uninstall.exe	28
PID 2140 wrote to memory of 548	2140	Uninstall.exe	28
PID 2140 wrote to memory of 548	2140	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:2140
- 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:548

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

System.dll

Path \Users\Admin\AppData\Local\Temp\nsoD1D2.tmp\System.dll
Size 10KB
SHA256 6692bd93bcd04146831652780c1170da79aa3784c3c070d95fb1580e339de6c5
MD5 4125926391466fdbe8a4730f2374b033
SHA1 fdd23034ada72d2537939ac6755d7f7c0e9b3f0e
SHA512 32a1cf96842454b3c3641316ee39051ae024bdce9e88ac236eadad531f2c0a08d46b77d525f7d994c9a5af4cc9a391d30ee92b9ec782b7fb9a42c76f0f52a008
SSDEEP 192:4O6dJA/ruAFEiUdWWE6hE5RYUdJfbub1algMO:RKAFERdlxhGRYUzqZal
MD5 SHA1 SHA512 SSDEEP

Submit Download

Au_.exe

Path \Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Size 46KB
SHA256 afc864cfce79b2a6add491a27ea672d958233ed7a97a2cbbce60100d2fa1e670
MD5 a127e6118b9dd2f9d5a7cc4d697a0105
SHA1 9ac17d4dcf0884ceafacf10c42209c0942dfe7a8
SHA512 0e57d2856c02c55d477d9b3cc1d4bf5ffa3650d4b20be18b0a9e614d19143aee325c4cd92ff31bbddf6e93cd3ebeb47d8727de6e25faa366341cc71117122065
SSDEEP 768:tnCHBjSfD0RDSjiN+WWrHcRtf55M4z54q+F5871mJMOUlNu0ZBA9U:MHFSfARDSW0HefHbmJZUlNu0bP
MD5 SHA1 SHA512 SSDEEP