74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b

Analysis

max time kernel
145s
max time network
173s
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 11:48

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General

Target

74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe
Size

931KB
MD5

b06c184d695ec35cc3f580b44a40ffd2
SHA1

a4c24d45950aedff62a4908b23aa36ecad4abaca
SHA256

74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b
SHA512

04d8a25e823fac6825b0403db05b24e784a8fc920d9560551bc71208029697b5231b951b07ea6add3ccda70c2e15585b5923dbe0fb356f90960063e976c66a7a
SSDEEP

24576:C6IMwPvmB/wWq+5DUTt7FGSwmpu8nL6YKv:C6j19rut7FoU56Z

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/4336-133-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/4336-135-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/4336-136-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/4336-137-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/4336-138-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral2/memory/4336-139-0x0000000000400000-0x00000000004EA000-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	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.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	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2604 set thread context of 4336	2604	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe	79

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4336	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe
4336	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe
4336	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe
4336	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe
4336	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 4336	2604	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe	79
PID 2604 wrote to memory of 4336	2604	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe	79
PID 2604 wrote to memory of 4336	2604	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe	79
PID 2604 wrote to memory of 4336	2604	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe	79
PID 2604 wrote to memory of 4336	2604	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe	79
PID 2604 wrote to memory of 4336	2604	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe	79
PID 2604 wrote to memory of 4336	2604	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe	79
PID 2604 wrote to memory of 4336	2604	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe	79

C:\Users\Admin\AppData\Local\Temp\74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe
"C:\Users\Admin\AppData\Local\Temp\74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Users\Admin\AppData\Local\Temp\74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe
  "C:\Users\Admin\AppData\Local\Temp\74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4336

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/4336-133-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/4336-135-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/4336-136-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/4336-137-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/4336-138-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/4336-139-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads