380d119824b320133affeda89f72d486f315ce81a2f129dee6593516db711321

General

Target

NEAS.3e56412906e0d15d25c9058da9295320.exe
Size

648KB
MD5

3e56412906e0d15d25c9058da9295320
SHA1

b98fc1af25e2a93bfb3fcbc776b07f4cf0b9960a
SHA256

380d119824b320133affeda89f72d486f315ce81a2f129dee6593516db711321
SHA512

7d0bd736a5bc335bb76e090c9072a8451ccf0013b7427d07383c952c9e1b0be5dd89949832a0108a8879e6060792e0b33edb298335c621d5bbaf541012756b3b
SSDEEP

12288:kH7Wcjdc/r2sxxiPGGAOOPSXDV8ClgVYhX5FSV89iE1:kbCj2sObHtqQA89i

Score

7^/10

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\My Computer.lnk	NEAS.3e56412906e0d15d25c9058da9295320.exe

Executes dropped EXE 1 IoCs

pid	Process
3920	RYHSSIAS32.exe

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)	\??\t:	RYHSSIAS32.exe
File opened (read-only)	\??\w:	RYHSSIAS32.exe
File opened (read-only)	\??\y:	RYHSSIAS32.exe
File opened (read-only)	\??\a:	RYHSSIAS32.exe
File opened (read-only)	\??\l:	RYHSSIAS32.exe
File opened (read-only)	\??\r:	RYHSSIAS32.exe
File opened (read-only)	\??\o:	RYHSSIAS32.exe
File opened (read-only)	\??\p:	RYHSSIAS32.exe
File opened (read-only)	\??\q:	RYHSSIAS32.exe
File opened (read-only)	\??\z:	RYHSSIAS32.exe
File opened (read-only)	\??\h:	RYHSSIAS32.exe
File opened (read-only)	\??\j:	RYHSSIAS32.exe
File opened (read-only)	\??\m:	RYHSSIAS32.exe
File opened (read-only)	\??\u:	RYHSSIAS32.exe
File opened (read-only)	\??\x:	RYHSSIAS32.exe
File opened (read-only)	\??\b:	RYHSSIAS32.exe
File opened (read-only)	\??\i:	RYHSSIAS32.exe
File opened (read-only)	\??\s:	RYHSSIAS32.exe
File opened (read-only)	\??\n:	RYHSSIAS32.exe
File opened (read-only)	\??\v:	RYHSSIAS32.exe
File opened (read-only)	\??\e:	RYHSSIAS32.exe
File opened (read-only)	\??\g:	RYHSSIAS32.exe
File opened (read-only)	\??\k:	RYHSSIAS32.exe

AutoIT Executable 6 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3576-0-0x0000000000400000-0x00000000004B8000-memory.dmp	autoit_exe
behavioral2/files/0x00030000000224f0-3.dat	autoit_exe
behavioral2/files/0x00030000000224f0-5.dat	autoit_exe
behavioral2/memory/3576-6-0x0000000000400000-0x00000000004B8000-memory.dmp	autoit_exe
behavioral2/memory/3576-7-0x0000000000400000-0x00000000004B8000-memory.dmp	autoit_exe
behavioral2/memory/3920-8-0x0000000000400000-0x00000000004B8000-memory.dmp	autoit_exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3576	NEAS.3e56412906e0d15d25c9058da9295320.exe
3576	NEAS.3e56412906e0d15d25c9058da9295320.exe

Suspicious use of FindShellTrayWindow 10 IoCs

pid	Process
3576	NEAS.3e56412906e0d15d25c9058da9295320.exe
3576	NEAS.3e56412906e0d15d25c9058da9295320.exe
3576	NEAS.3e56412906e0d15d25c9058da9295320.exe
3576	NEAS.3e56412906e0d15d25c9058da9295320.exe
3920	RYHSSIAS32.exe
3920	RYHSSIAS32.exe
3920	RYHSSIAS32.exe
3920	RYHSSIAS32.exe
3920	RYHSSIAS32.exe
3920	RYHSSIAS32.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
3576	NEAS.3e56412906e0d15d25c9058da9295320.exe
3576	NEAS.3e56412906e0d15d25c9058da9295320.exe
3576	NEAS.3e56412906e0d15d25c9058da9295320.exe
3576	NEAS.3e56412906e0d15d25c9058da9295320.exe
3920	RYHSSIAS32.exe
3920	RYHSSIAS32.exe
3920	RYHSSIAS32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 3572	3576	NEAS.3e56412906e0d15d25c9058da9295320.exe	83
PID 3576 wrote to memory of 3572	3576	NEAS.3e56412906e0d15d25c9058da9295320.exe	83
PID 3576 wrote to memory of 3572	3576	NEAS.3e56412906e0d15d25c9058da9295320.exe	83
PID 3576 wrote to memory of 3920	3576	NEAS.3e56412906e0d15d25c9058da9295320.exe	85
PID 3576 wrote to memory of 3920	3576	NEAS.3e56412906e0d15d25c9058da9295320.exe	85
PID 3576 wrote to memory of 3920	3576	NEAS.3e56412906e0d15d25c9058da9295320.exe	85

C:\Users\Admin\AppData\Local\Temp\NEAS.3e56412906e0d15d25c9058da9295320.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.3e56412906e0d15d25c9058da9295320.exe"
1⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3576
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c copy "C:\Users\Admin\AppData\Local\Temp\NEAS.3e56412906e0d15d25c9058da9295320.exe" "%appdata%\RYHSSIAS32.exe"
  2⤵
  PID:3572
- C:\Users\Admin\AppData\Roaming\RYHSSIAS32.exe
  C:\Users\Admin\AppData\Roaming\RYHSSIAS32.exe
  2⤵
  - Executes dropped EXE
  - Enumerates connected drives
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:3920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

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Downloads

C:\Users\Admin\AppData\Roaming\RYHSSIAS32.exe

Filesize
648KB

MD5
3e56412906e0d15d25c9058da9295320

SHA1
b98fc1af25e2a93bfb3fcbc776b07f4cf0b9960a

SHA256
380d119824b320133affeda89f72d486f315ce81a2f129dee6593516db711321

SHA512
7d0bd736a5bc335bb76e090c9072a8451ccf0013b7427d07383c952c9e1b0be5dd89949832a0108a8879e6060792e0b33edb298335c621d5bbaf541012756b3b

Download Submit
C:\Users\Admin\AppData\Roaming\RYHSSIAS32.exe

Filesize
648KB

MD5
3e56412906e0d15d25c9058da9295320

SHA1
b98fc1af25e2a93bfb3fcbc776b07f4cf0b9960a

SHA256
380d119824b320133affeda89f72d486f315ce81a2f129dee6593516db711321

SHA512
7d0bd736a5bc335bb76e090c9072a8451ccf0013b7427d07383c952c9e1b0be5dd89949832a0108a8879e6060792e0b33edb298335c621d5bbaf541012756b3b

Download Submit
memory/3576-0-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3576-6-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3576-7-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3920-8-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

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