e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5

General

Target

e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
Size

151KB
MD5

16e1a84f11a5004934ddf283884e0b70
SHA1

c94ed05e25be9d5b9261d0d07c327759f6adc373
SHA256

e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5
SHA512

53398c9b804c1a332eafc7845c2eb1a41f59b2f3a5de0e534f271b59b58ad0e6e9b18cdaf375579ea2d246c1f18d4671bf6191e97c0417de4a26e938030a703e
SSDEEP

1536:uhTkCCKgMWimDUd1hiLAz6LjeZUO19Ebe5161eecYTAzDTlPf6oqM5CoE5fEeF/S:ikCCKgtDjC6oX6Y5CTBYzHxSgG0WKUs

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\software\Wow6432Node\Microsoft\Windows\CurrentVersion\run	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe

Enumerates connected drives 3 TTPs 22 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)	\??\V:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\U:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\R:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\K:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\G:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\Z:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\X:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\T:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\L:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\F:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\M:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\J:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\I:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\W:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\S:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\Q:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\P:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\O:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\E:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\Y:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\N:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened (read-only)	\??\H:	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe

Drops autorun.inf file 1 TTPs 2 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
File opened for modification	C:\autorun.inf	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1712	2000	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2000	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 1712	2000	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe	28
PID 2000 wrote to memory of 1712	2000	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe	28
PID 2000 wrote to memory of 1712	2000	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe	28
PID 2000 wrote to memory of 1712	2000	e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe	28

C:\Users\Admin\AppData\Local\Temp\e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe
"C:\Users\Admin\AppData\Local\Temp\e4a5f2dc13c2dac57d8691def23b7ec14ddb75966d2030b40b07957d08b15ea5.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2000 -s 540
  2⤵
  - Program crash
  PID:1712

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Hidden Files and Directories

2

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2000-54-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/2000-55-0x0000000074451000-0x0000000074453000-memory.dmp

Filesize
8KB

Download
memory/2000-56-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2000-58-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads