23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c

Analysis

max time kernel
103s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 15:15

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General

Target

23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe
Size

935KB
MD5

6dc6ddbf49c25344b31584319a5fcb19
SHA1

a56af89608d6a54b533461019ece872ed4695d61
SHA256

23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c
SHA512

0e97fd99cbc12fcb1655ff8a663a94997cf089a569d10989caa673e12a8fe4c7bf140d99e1d0c2be58030617130ae6004e68f082b126ec1157474271ebef08a5
SSDEEP

12288:p5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4:pyHv5Z+Wzv7AiBll0OBWi6si9G

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5056-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/5056-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/5056-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/5056-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/5056-138-0x0000000000400000-0x00000000004F2000-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	23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4460 set thread context of 5056	4460	23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe	81

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5056	23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe
5056	23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe
5056	23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe
5056	23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe
5056	23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe
5056	23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 5056	4460	23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe	81
PID 4460 wrote to memory of 5056	4460	23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe	81
PID 4460 wrote to memory of 5056	4460	23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe	81
PID 4460 wrote to memory of 5056	4460	23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe	81
PID 4460 wrote to memory of 5056	4460	23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe	81
PID 4460 wrote to memory of 5056	4460	23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe	81
PID 4460 wrote to memory of 5056	4460	23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe	81
PID 4460 wrote to memory of 5056	4460	23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe	81

C:\Users\Admin\AppData\Local\Temp\23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe
"C:\Users\Admin\AppData\Local\Temp\23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4460
- C:\Users\Admin\AppData\Local\Temp\23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe
  "C:\Users\Admin\AppData\Local\Temp\23b21bc0eed970e6e69c125947513eef37677b76ccee19c0721d39b5f5fd509c.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:5056

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/5056-132-0x0000000000000000-mapping.dmp

Download
memory/5056-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/5056-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/5056-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/5056-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/5056-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads