41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30

Analysis

max time kernel
111s
max time network
151s
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, 13:58

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General

Target

41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe
Size

931KB
MD5

342c7f930f1ddbb28e9a44e9dce6f2e0
SHA1

f696f2bead914ff65f0ff61ce2b81423802251cb
SHA256

41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30
SHA512

7c084f2f8b06cfc81cd72840748a9696caab83271d41a6ea667ccb5baf9f296444ef5077bc9453a8dba43eb8dcbff18f2727a43536f503d385fb3968e17cee43
SSDEEP

24576:i6IMwPvmB/wWq+5DUTt7FGSwmpu8nL6YKB:i6j19rut7FoU56T

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/2236-133-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/2236-135-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/2236-136-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/2236-137-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/2236-138-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/2236-139-0x0000000000400000-0x00000000004EA000-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	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.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	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2232 set thread context of 2236	2232	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe	84

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2236	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe
2236	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe
2236	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe
2236	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe
2236	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2236	2232	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe	84
PID 2232 wrote to memory of 2236	2232	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe	84
PID 2232 wrote to memory of 2236	2232	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe	84
PID 2232 wrote to memory of 2236	2232	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe	84
PID 2232 wrote to memory of 2236	2232	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe	84
PID 2232 wrote to memory of 2236	2232	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe	84
PID 2232 wrote to memory of 2236	2232	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe	84
PID 2232 wrote to memory of 2236	2232	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe	84

C:\Users\Admin\AppData\Local\Temp\41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe
"C:\Users\Admin\AppData\Local\Temp\41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe
  "C:\Users\Admin\AppData\Local\Temp\41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2236

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/2236-133-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2236-135-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2236-136-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2236-137-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2236-138-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2236-139-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads