8855ef55076566f0a90f36a1bdad52c28388ff9e6dc599e117b7cfc68c2f9507

Analysis

max time kernel
92s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/11/2024, 02:45

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General

Target
payment confirmation.exe
Size 926KB
Sample241111-c8vd8atrhl
SHA256 cb62c5a32d65e57b523d60844334f410be45956464553dabade26b62182df4af
MD5 70113c7be193321950485142c8791a7c
SHA1 95310aa0c9e5ccc3e5fdd001df09653889c33b63
SHA512 9708c2c2056b00b5bf43af014534354fe839b22f2353563e961da9b4d487cedd6fbb49f325e60e863b81ceeda8a40236f149ceee03f268b3196baae8b971a0ed
SSDEEP 24576:nf+iN57Gtene3YSySHurVZBDSGfPNZqJ4:fLXKtene3YSjuhzfVZqJ
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery upx

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\parterres.vbs	parterres.exe

Executes dropped EXE 1 IoCs

pid	Process
2524	parterres.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1056-8-0x0000000000C10000-0x0000000000E0B000-memory.dmp	autoit_exe
behavioral2/memory/2524-14-0x0000000000E30000-0x000000000102B000-memory.dmp	autoit_exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1056-0-0x0000000000C10000-0x0000000000E0B000-memory.dmp	upx
behavioral2/memory/1056-8-0x0000000000C10000-0x0000000000E0B000-memory.dmp	upx
behavioral2/memory/2524-9-0x0000000000E30000-0x000000000102B000-memory.dmp	upx
behavioral2/files/0x0002000000022b13-10.dat	upx
behavioral2/memory/2524-14-0x0000000000E30000-0x000000000102B000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4444	2524	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	parterres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	payment confirmation.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1056	payment confirmation.exe
1056	payment confirmation.exe
2524	parterres.exe
2524	parterres.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1056	payment confirmation.exe
1056	payment confirmation.exe
2524	parterres.exe
2524	parterres.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 2524	1056	payment confirmation.exe	86
PID 1056 wrote to memory of 2524	1056	payment confirmation.exe	86
PID 1056 wrote to memory of 2524	1056	payment confirmation.exe	86
PID 2524 wrote to memory of 4632	2524	parterres.exe	87
PID 2524 wrote to memory of 4632	2524	parterres.exe	87
PID 2524 wrote to memory of 4632	2524	parterres.exe	87

C:\Users\Admin\AppData\Local\Temp\payment confirmation.exe
"C:\Users\Admin\AppData\Local\Temp\payment confirmation.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Users\Admin\AppData\Local\colliquefaction\parterres.exe
  "C:\Users\Admin\AppData\Local\Temp\payment confirmation.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2524
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\payment confirmation.exe"
    3⤵
    PID:4632
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 696
    3⤵
    - Program crash
    PID:4444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2524 -ip 2524
1⤵
PID:536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

parterres.exe

Path C:\Users\Admin\AppData\Local\colliquefaction\parterres.exe
Size 926KB
SHA256 cb62c5a32d65e57b523d60844334f410be45956464553dabade26b62182df4af
MD5 70113c7be193321950485142c8791a7c
SHA1 95310aa0c9e5ccc3e5fdd001df09653889c33b63
SHA512 9708c2c2056b00b5bf43af014534354fe839b22f2353563e961da9b4d487cedd6fbb49f325e60e863b81ceeda8a40236f149ceee03f268b3196baae8b971a0ed
SSDEEP 24576:nf+iN57Gtene3YSySHurVZBDSGfPNZqJ4:fLXKtene3YSjuhzfVZqJ
MD5 SHA1 SHA512 SSDEEP

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memory/1056-0-0x0000000000C10000-0x0000000000E0B000-memory.dmp

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memory/1056-3-0x0000000000F00000-0x0000000001300000-memory.dmp

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memory/1056-8-0x0000000000C10000-0x0000000000E0B000-memory.dmp

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memory/2524-9-0x0000000000E30000-0x000000000102B000-memory.dmp

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memory/2524-14-0x0000000000E30000-0x000000000102B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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