26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0

Analysis

max time kernel
90s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 15:09

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General

Target

26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe
Size

935KB
MD5

918f60f1d5aa0ada71d100595b1245b4
SHA1

39df407a73b1c9af90304cfbf604c7e85495ee97
SHA256

26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0
SHA512

50ee96c2247f1479c4044e0f8d9ca7c013e9750d68624438a1d329495f71ece7a5ba602cc742e3d73be3fcd6b31d938fb9d2db27600d8e174c3a87ea3a951605
SSDEEP

12288:Y5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4:YyHv5Z+Wzv7AiBll0OBWi6si9G

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/5048-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/5048-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/5048-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/5048-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/5048-138-0x0000000000400000-0x00000000004F2000-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	26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.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	26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1608 set thread context of 5048	1608	26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe	81

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5048	26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe
5048	26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe
5048	26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe
5048	26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe
5048	26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe
5048	26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 5048	1608	26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe	81
PID 1608 wrote to memory of 5048	1608	26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe	81
PID 1608 wrote to memory of 5048	1608	26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe	81
PID 1608 wrote to memory of 5048	1608	26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe	81
PID 1608 wrote to memory of 5048	1608	26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe	81
PID 1608 wrote to memory of 5048	1608	26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe	81
PID 1608 wrote to memory of 5048	1608	26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe	81
PID 1608 wrote to memory of 5048	1608	26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe	81

C:\Users\Admin\AppData\Local\Temp\26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe
"C:\Users\Admin\AppData\Local\Temp\26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Users\Admin\AppData\Local\Temp\26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe
  "C:\Users\Admin\AppData\Local\Temp\26699e7c22738da963fc9c87d45bd50844bfd3d81fff2f46fb2d5d001c754db0.exe" Track="0001101000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:5048

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/5048-132-0x0000000000000000-mapping.dmp

Download
memory/5048-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/5048-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/5048-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/5048-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/5048-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads