5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84

General

Target

5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe
Size

931KB
MD5

53b8e21a3025fee74c8f4982623289e7
SHA1

e453738ec7746b146ee8f7ed16675ba7d0558fb1
SHA256

5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84
SHA512

58288557c1642a14cdd605648411322e7b186c6436693e4cbe74ab5cc4ffed447cd5a410fffbee250d7524712b1e77076c949276caa59c234378ed064c5b3a60
SSDEEP

24576:C6IMwPvmB/wWq+5DUTt7FGSwmpu8nL6YK:C6j19rut7FoU56

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/436-55-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/436-58-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/436-57-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/436-61-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/436-63-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/436-64-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/436-65-0x0000000000400000-0x00000000004EA000-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	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.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	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1216 set thread context of 436	1216	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
436	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 436	1216	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe	29
PID 1216 wrote to memory of 436	1216	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe	29
PID 1216 wrote to memory of 436	1216	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe	29
PID 1216 wrote to memory of 436	1216	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe	29
PID 1216 wrote to memory of 436	1216	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe	29
PID 1216 wrote to memory of 436	1216	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe	29
PID 1216 wrote to memory of 436	1216	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe	29
PID 1216 wrote to memory of 436	1216	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe	29

C:\Users\Admin\AppData\Local\Temp\5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe
"C:\Users\Admin\AppData\Local\Temp\5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Users\Admin\AppData\Local\Temp\5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe
  "C:\Users\Admin\AppData\Local\Temp\5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:436

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/436-54-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/436-55-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/436-58-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/436-57-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/436-61-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/436-62-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/436-63-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/436-64-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/436-65-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads