a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 09:48

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General

Target

a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035.exe
Size

931KB
MD5

ba2f46f429a21b86a494b52d071b9d63
SHA1

9662270f14cf9d03bab665404f363410fc6c3f8b
SHA256

a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035
SHA512

2b84b06219ca3d262b5586dc9ca50fe6ddf3a1ac393d624e3a093c62cb567a264d0334f1f80e5b5efad379b70a4051e90413d158814cfec592db517047aa0bfa
SSDEEP

24576:y6IMwPvmB/wWq+5DUTt7FGSwmpu8nL6YKW:y6j19rut7FoU56s

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
behavioral1/memory/832-55-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/832-57-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/832-58-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/832-62-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/832-63-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/832-64-0x0000000000400000-0x00000000004EA000-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	a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035.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	a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1500 set thread context of 832	1500	a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035.exe	28

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
832	a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 832	1500	a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035.exe	28
PID 1500 wrote to memory of 832	1500	a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035.exe	28
PID 1500 wrote to memory of 832	1500	a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035.exe	28
PID 1500 wrote to memory of 832	1500	a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035.exe	28
PID 1500 wrote to memory of 832	1500	a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035.exe	28
PID 1500 wrote to memory of 832	1500	a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035.exe	28
PID 1500 wrote to memory of 832	1500	a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035.exe	28
PID 1500 wrote to memory of 832	1500	a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035.exe	28

C:\Users\Admin\AppData\Local\Temp\a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035.exe
"C:\Users\Admin\AppData\Local\Temp\a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1500
- C:\Users\Admin\AppData\Local\Temp\a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035.exe
  "C:\Users\Admin\AppData\Local\Temp\a31861c6507bb127f3b7c75345eaff6131e56cc4442cfaae023656bfb3800035.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:832

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/832-54-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/832-55-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/832-57-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/832-58-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/832-61-0x0000000075B41000-0x0000000075B43000-memory.dmp

Filesize
8KB

Download
memory/832-62-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/832-63-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/832-64-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads