38a76c957f6bbe2a33ef0847b65db45e50e070729f0b71c8f149c4d5668e4683

General

Target

1a7ae3f875f7ffc750bb01daf97e1c39.exe
Size

298KB
MD5

1a7ae3f875f7ffc750bb01daf97e1c39
SHA1

e7f236aef2a9bcd32a337fecf5115ea31dc16b12
SHA256

38a76c957f6bbe2a33ef0847b65db45e50e070729f0b71c8f149c4d5668e4683
SHA512

97dc551cd5f1c33b8618217a47c7f3b0287bdad8c20b8ac4d1257ccd3645eeffd097836c848aa5f34eaac80eee33212d60dd93379c96c7d98e5a53de8bd8de29
SSDEEP

6144:EuIlWqB+ihabs7Ch9KwyF5LeLodp2D1Mmakda0qLqIYu:v6Wq4aaE6KwyF5L0Y2D1PqLl

Score

10^/10

evasion upx

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	svhost.exe

Executes dropped EXE 1 IoCs

pid	Process
668	svhost.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4412-0-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/memory/4412-763-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/memory/668-1322-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/memory/668-2382-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/memory/668-3442-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/memory/668-4502-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/memory/668-5806-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/memory/668-6868-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/memory/668-7930-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/memory/668-8989-0x0000000000400000-0x00000000004C2000-memory.dmp	upx

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\j:	svhost.exe
File opened (read-only)	\??\l:	svhost.exe
File opened (read-only)	\??\o:	svhost.exe
File opened (read-only)	\??\y:	svhost.exe
File opened (read-only)	\??\a:	svhost.exe
File opened (read-only)	\??\e:	svhost.exe
File opened (read-only)	\??\i:	svhost.exe
File opened (read-only)	\??\v:	svhost.exe
File opened (read-only)	\??\z:	svhost.exe
File opened (read-only)	\??\m:	svhost.exe
File opened (read-only)	\??\s:	svhost.exe
File opened (read-only)	\??\t:	svhost.exe
File opened (read-only)	\??\x:	svhost.exe
File opened (read-only)	\??\h:	svhost.exe
File opened (read-only)	\??\p:	svhost.exe
File opened (read-only)	\??\r:	svhost.exe
File opened (read-only)	\??\n:	svhost.exe
File opened (read-only)	\??\q:	svhost.exe
File opened (read-only)	\??\u:	svhost.exe
File opened (read-only)	\??\w:	svhost.exe
File opened (read-only)	\??\b:	svhost.exe
File opened (read-only)	\??\g:	svhost.exe
File opened (read-only)	\??\k:	svhost.exe

AutoIT Executable 9 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4412-763-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe
behavioral2/memory/668-1322-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe
behavioral2/memory/668-2382-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe
behavioral2/memory/668-3442-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe
behavioral2/memory/668-4502-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe
behavioral2/memory/668-5806-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe
behavioral2/memory/668-6868-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe
behavioral2/memory/668-7930-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe
behavioral2/memory/668-8989-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\svhost.exe	1a7ae3f875f7ffc750bb01daf97e1c39.exe
File opened for modification	C:\Windows\Driver.db	svhost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4412	1a7ae3f875f7ffc750bb01daf97e1c39.exe
4412	1a7ae3f875f7ffc750bb01daf97e1c39.exe
668	svhost.exe
668	svhost.exe
668	svhost.exe
668	svhost.exe
668	svhost.exe
668	svhost.exe

Suspicious use of FindShellTrayWindow 14 IoCs

pid	Process
4412	1a7ae3f875f7ffc750bb01daf97e1c39.exe
4412	1a7ae3f875f7ffc750bb01daf97e1c39.exe
668	svhost.exe
668	svhost.exe
4412	1a7ae3f875f7ffc750bb01daf97e1c39.exe
668	svhost.exe
4412	1a7ae3f875f7ffc750bb01daf97e1c39.exe
668	svhost.exe
4412	1a7ae3f875f7ffc750bb01daf97e1c39.exe
668	svhost.exe
4412	1a7ae3f875f7ffc750bb01daf97e1c39.exe
668	svhost.exe
4412	1a7ae3f875f7ffc750bb01daf97e1c39.exe
668	svhost.exe

Suspicious use of SendNotifyMessage 14 IoCs

pid	Process
4412	1a7ae3f875f7ffc750bb01daf97e1c39.exe
4412	1a7ae3f875f7ffc750bb01daf97e1c39.exe
668	svhost.exe
668	svhost.exe
4412	1a7ae3f875f7ffc750bb01daf97e1c39.exe
668	svhost.exe
4412	1a7ae3f875f7ffc750bb01daf97e1c39.exe
668	svhost.exe
4412	1a7ae3f875f7ffc750bb01daf97e1c39.exe
668	svhost.exe
4412	1a7ae3f875f7ffc750bb01daf97e1c39.exe
668	svhost.exe
4412	1a7ae3f875f7ffc750bb01daf97e1c39.exe
668	svhost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4412 wrote to memory of 668	4412	1a7ae3f875f7ffc750bb01daf97e1c39.exe	19
PID 4412 wrote to memory of 668	4412	1a7ae3f875f7ffc750bb01daf97e1c39.exe	19
PID 4412 wrote to memory of 668	4412	1a7ae3f875f7ffc750bb01daf97e1c39.exe	19

C:\Users\Admin\AppData\Local\Temp\1a7ae3f875f7ffc750bb01daf97e1c39.exe
"C:\Users\Admin\AppData\Local\Temp\1a7ae3f875f7ffc750bb01daf97e1c39.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4412
- C:\Windows\svhost.exe
  C:\Windows\svhost.exe
  2⤵
  - Modifies visibility of file extensions in Explorer
  - Executes dropped EXE
  - Enumerates connected drives
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/668-7930-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/668-10307-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/668-1322-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/668-2382-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/668-15871-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/668-4502-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/668-14807-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/668-5806-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/668-3442-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/668-8989-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/668-6868-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/668-11371-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/668-12429-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/668-13486-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/4412-763-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/4412-0-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download

Analysis

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