66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17

Analysis

max time kernel
145s
max time network
195s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 12:23

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General

Target

66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe
Size

935KB
MD5

9a849767cbc3705cee4d93614ebf448b
SHA1

7cbfc2fb5a1ada7cb46c51bfb1da6e3558cde470
SHA256

66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17
SHA512

3ad132ae242ddbfe62586d0028bc567883f5306fc2caed28f35a934af49aac38942dfbdaeaaa09b0679231dbc8f7f52d46eed8f48dee35798b5c098722a939a9
SSDEEP

12288:I5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4w:IyHv5Z+Wzv7AiBll0OBWi6si9Gp

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2212-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2212-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2212-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2212-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2212-138-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2212-139-0x0000000000400000-0x00000000004F2000-memory.dmp	upx

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4584 set thread context of 2212	4584	66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe	80

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2212	66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe
2212	66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe
2212	66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe
2212	66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe
2212	66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe
2212	66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 2212	4584	66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe	80
PID 4584 wrote to memory of 2212	4584	66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe	80
PID 4584 wrote to memory of 2212	4584	66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe	80
PID 4584 wrote to memory of 2212	4584	66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe	80
PID 4584 wrote to memory of 2212	4584	66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe	80
PID 4584 wrote to memory of 2212	4584	66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe	80
PID 4584 wrote to memory of 2212	4584	66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe	80
PID 4584 wrote to memory of 2212	4584	66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe	80

C:\Users\Admin\AppData\Local\Temp\66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe
"C:\Users\Admin\AppData\Local\Temp\66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4584
- C:\Users\Admin\AppData\Local\Temp\66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe
  "C:\Users\Admin\AppData\Local\Temp\66b805f6a554705c1b35d0cdb7dc68fd846c68c0eb37ec42859aad576df06d17.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2212

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2212-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2212-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2212-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2212-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2212-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2212-139-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads