5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84

Analysis

max time kernel
152s
max time network
170s
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, 12:54

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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 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3716-133-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/3716-135-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/3716-136-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/3716-137-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/3716-138-0x0000000000400000-0x00000000004EA000-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 4584 set thread context of 3716	4584	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe	79

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3716	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe
3716	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe
3716	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe
3716	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe
3716	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 3716	4584	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe	79
PID 4584 wrote to memory of 3716	4584	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe	79
PID 4584 wrote to memory of 3716	4584	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe	79
PID 4584 wrote to memory of 3716	4584	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe	79
PID 4584 wrote to memory of 3716	4584	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe	79
PID 4584 wrote to memory of 3716	4584	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe	79
PID 4584 wrote to memory of 3716	4584	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe	79
PID 4584 wrote to memory of 3716	4584	5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe	79

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:4584
- C:\Users\Admin\AppData\Local\Temp\5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe
  "C:\Users\Admin\AppData\Local\Temp\5a4c5d2e84e88b0b36747764c8cf303a2972a6e29a48f95a556aea4033086e84.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:3716

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/3716-133-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/3716-135-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/3716-136-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/3716-137-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/3716-138-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads