41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30

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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/764-55-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/764-58-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/764-57-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/764-62-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/764-63-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/764-64-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/764-65-0x0000000000400000-0x00000000004EA000-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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1308 set thread context of 764	1308	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe	28

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
764	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 764	1308	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe	28
PID 1308 wrote to memory of 764	1308	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe	28
PID 1308 wrote to memory of 764	1308	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe	28
PID 1308 wrote to memory of 764	1308	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe	28
PID 1308 wrote to memory of 764	1308	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe	28
PID 1308 wrote to memory of 764	1308	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe	28
PID 1308 wrote to memory of 764	1308	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe	28
PID 1308 wrote to memory of 764	1308	41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe	28

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:1308
- C:\Users\Admin\AppData\Local\Temp\41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe
  "C:\Users\Admin\AppData\Local\Temp\41e3fac8f2ba46c014ae9fd5430290cddf090a98398e08e94dfd1046f860df30.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:764

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/764-54-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/764-55-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/764-58-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/764-57-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/764-61-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download
memory/764-62-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/764-63-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/764-64-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/764-65-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads