83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a

Analysis

max time kernel
46s
max time network
52s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 11:10

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General

Target

83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a.exe
Size

935KB
MD5

bf6432610e8844b5eecba886cfe85f00
SHA1

078cb75af2020bebe549bce51b5a1ae0eb78cde7
SHA256

83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a
SHA512

cb695d24da0fe72e7742b3acfc5d9be6874405324a49b4c085e1dcad7c8579c09486e1eb7f200a9d325f232177ca0d5af907f97091c2571171fc11ced5035115
SSDEEP

12288:55Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4x:5yHv5Z+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/880-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/880-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/880-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/880-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/880-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/880-64-0x0000000000400000-0x00000000004F2000-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	83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a.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	83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1060 set thread context of 880	1060	83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a.exe	28

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
880	83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1060 wrote to memory of 880	1060	83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a.exe	28
PID 1060 wrote to memory of 880	1060	83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a.exe	28
PID 1060 wrote to memory of 880	1060	83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a.exe	28
PID 1060 wrote to memory of 880	1060	83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a.exe	28
PID 1060 wrote to memory of 880	1060	83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a.exe	28
PID 1060 wrote to memory of 880	1060	83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a.exe	28
PID 1060 wrote to memory of 880	1060	83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a.exe	28
PID 1060 wrote to memory of 880	1060	83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a.exe	28

C:\Users\Admin\AppData\Local\Temp\83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a.exe
"C:\Users\Admin\AppData\Local\Temp\83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1060
- C:\Users\Admin\AppData\Local\Temp\83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a.exe
  "C:\Users\Admin\AppData\Local\Temp\83ace79f3e4fb4967159309c70abb7d4c01c1b30126bc3d41f3d59c46e40e73a.exe" Track="0001101000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:880

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/880-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/880-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/880-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/880-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/880-61-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

Filesize
8KB

Download
memory/880-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/880-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/880-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads