8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf

Analysis

max time kernel
10s
max time network
59s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 10:50

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General

Target

8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf.exe
Size

935KB
MD5

44a44a8121087be92c5e76efe18df9f4
SHA1

52968178e6f762c81e58ba6523f12a718bf87a94
SHA256

8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf
SHA512

5158b42b4000b969851975b3643de911e4eb1dea4d415d61a309cd9f3c5af91caae1c2bf2e4ea30f86c6c0712c5d8ff28e806ac044abb88e844ad2b814d8487a
SSDEEP

12288:J5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4:JyHv5Z+Wzv7AiBll0OBWi6si9G

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/1404-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1404-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1404-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1404-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1404-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1404-64-0x0000000000400000-0x00000000004F2000-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	8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf.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	8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 916 set thread context of 1404	916	8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf.exe	28

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1404	8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 916 wrote to memory of 1404	916	8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf.exe	28
PID 916 wrote to memory of 1404	916	8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf.exe	28
PID 916 wrote to memory of 1404	916	8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf.exe	28
PID 916 wrote to memory of 1404	916	8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf.exe	28
PID 916 wrote to memory of 1404	916	8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf.exe	28
PID 916 wrote to memory of 1404	916	8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf.exe	28
PID 916 wrote to memory of 1404	916	8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf.exe	28
PID 916 wrote to memory of 1404	916	8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf.exe	28

C:\Users\Admin\AppData\Local\Temp\8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf.exe
"C:\Users\Admin\AppData\Local\Temp\8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:916
- C:\Users\Admin\AppData\Local\Temp\8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf.exe
  "C:\Users\Admin\AppData\Local\Temp\8b65728031990784cd804db93b429a050e36663d7fd0d1e502e4d2d61d0fa2cf.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1404

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/1404-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1404-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1404-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1404-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1404-61-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/1404-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1404-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1404-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads