3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb

Analysis

max time kernel
44s
max time network
49s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 14:07

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General

Target

3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb.exe
Size

935KB
MD5

4f1262d191541001c9dde07b58bbd2f8
SHA1

f1bf48f4042be3683d148cf88d70b312d5625084
SHA256

3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb
SHA512

510b57b8a722e8fb837612e64d619bad536f4d41489b0c3a47aa2c402402c046d592f77436153359320430aff75d4ca5cdc81359bdf5adeeecb691097b6325d1
SSDEEP

12288:I5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4B:IyHv5Z+Wzv7AiBll0OBWi6si9Gk

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/820-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/820-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/820-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/820-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/820-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/820-64-0x0000000000400000-0x00000000004F2000-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	3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb.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	3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1992 set thread context of 820	1992	3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
820	3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 820	1992	3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb.exe	29
PID 1992 wrote to memory of 820	1992	3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb.exe	29
PID 1992 wrote to memory of 820	1992	3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb.exe	29
PID 1992 wrote to memory of 820	1992	3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb.exe	29
PID 1992 wrote to memory of 820	1992	3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb.exe	29
PID 1992 wrote to memory of 820	1992	3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb.exe	29
PID 1992 wrote to memory of 820	1992	3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb.exe	29
PID 1992 wrote to memory of 820	1992	3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb.exe	29

C:\Users\Admin\AppData\Local\Temp\3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb.exe
"C:\Users\Admin\AppData\Local\Temp\3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb.exe
  "C:\Users\Admin\AppData\Local\Temp\3f06c46433e05dad73019dc691b4f4bc4ba2fdd26599fbc8c634cfbe2f62d6fb.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:820

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/820-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/820-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/820-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/820-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/820-61-0x0000000075281000-0x0000000075283000-memory.dmp

Filesize
8KB

Download
memory/820-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/820-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/820-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads