a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f

Analysis

max time kernel
41s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 09:36

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General

Target

a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f.exe
Size

935KB
MD5

abbb6468c815b7946031fb6d971a9315
SHA1

bba2d76316293fed8b2cf12d41c12d7097dc0a05
SHA256

a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f
SHA512

117324fbe5e455262823a5db6f91973f34523e418cb073d8d2d81f6eb6f826e2bfc5fd1eddf560909e080b0b91cbfaf3b09253c82eac02c2d4cda8dc364a5251
SSDEEP

12288:I5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4A:IyHv5Z+Wzv7AiBll0OBWi6si9Gd

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/2020-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/2020-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/2020-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/2020-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/2020-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/2020-64-0x0000000000400000-0x00000000004F2000-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\VideoBiosVersion	a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f.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	a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1132 set thread context of 2020	1132	a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2020	a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 2020	1132	a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f.exe	29
PID 1132 wrote to memory of 2020	1132	a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f.exe	29
PID 1132 wrote to memory of 2020	1132	a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f.exe	29
PID 1132 wrote to memory of 2020	1132	a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f.exe	29
PID 1132 wrote to memory of 2020	1132	a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f.exe	29
PID 1132 wrote to memory of 2020	1132	a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f.exe	29
PID 1132 wrote to memory of 2020	1132	a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f.exe	29
PID 1132 wrote to memory of 2020	1132	a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f.exe	29

C:\Users\Admin\AppData\Local\Temp\a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f.exe
"C:\Users\Admin\AppData\Local\Temp\a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1132
- C:\Users\Admin\AppData\Local\Temp\a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f.exe
  "C:\Users\Admin\AppData\Local\Temp\a7a8810a3c02800abb06711662297c2fa878b524bb333e95a399b9c823343e3f.exe" Track="0001101000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2020

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/2020-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2020-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2020-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2020-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2020-61-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

Filesize
8KB

Download
memory/2020-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2020-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2020-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads