b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf

General

Target

b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe
Size

935KB
MD5

bdb11af7225ccadef7f42502b20040ad
SHA1

6e46df913fdc02eb0339c63a45962fd228014593
SHA256

b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf
SHA512

80e01bd8a080a731035af79d7144edbfdfcb3d51e318f7be9a793d867cd26f076e4e3defa5cdde526c5bb0a8627a0bbda217843e4774b6dd8cbf994f568b4a52
SSDEEP

12288:Z5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4M:ZyHv5Z+Wzv7AiBll0OBWi6si9GN

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/1696-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1696-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1696-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1696-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1696-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1696-64-0x0000000000400000-0x00000000004F2000-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	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.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	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1752 set thread context of 1696	1752	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe	28

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1696	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 1696	1752	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe	28
PID 1752 wrote to memory of 1696	1752	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe	28
PID 1752 wrote to memory of 1696	1752	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe	28
PID 1752 wrote to memory of 1696	1752	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe	28
PID 1752 wrote to memory of 1696	1752	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe	28
PID 1752 wrote to memory of 1696	1752	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe	28
PID 1752 wrote to memory of 1696	1752	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe	28
PID 1752 wrote to memory of 1696	1752	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe	28

C:\Users\Admin\AppData\Local\Temp\b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe
"C:\Users\Admin\AppData\Local\Temp\b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe
  "C:\Users\Admin\AppData\Local\Temp\b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1696

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1696-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1696-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1696-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1696-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1696-59-0x00000000004F0400-mapping.dmp

Download
memory/1696-61-0x0000000075111000-0x0000000075113000-memory.dmp

Filesize
8KB

Download
memory/1696-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1696-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1696-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads