ec47308123d4943efe4d87d26d14ed70b9eff8db67992e95a4f433b22ef0df5d

Analysis

max time kernel
30s
max time network
34s
platform
windows7_x64
resource
win7-20230703-en
resource tags

arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
submitted
05/07/2023, 17:35

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General

Target

16713d8d799bd4exeexeexeex.exe
Size

70KB
MD5

16713d8d799bd483497b73a84f3564f5
SHA1

be98efcd0e1b8a5b0708d6b6910f7bfd00f54572
SHA256

ec47308123d4943efe4d87d26d14ed70b9eff8db67992e95a4f433b22ef0df5d
SHA512

362540c32a259eb1871f7233322a28bdb5441bda2173e562d2531a7bb5334afbf6ce2bd2dee7f164b617c5044492868cfc75df2352d245a5821bee20002db83e
SSDEEP

1536:8ZZZZZZZZZZZZpXzzzzzzzzzzzzADypczUk+lkZJngWMqqU+2bbbAV2/S2OvvdZl:Dd5BJHMqqDL2/OvvdrH

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\zyaeuaafanm = "C:\\Users\\Admin\\AppData\\Local\\Temp\\16713d8d799bd4exeexeexeex.exe"	16713d8d799bd4exeexeexeex.exe
Key created	\REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	16713d8d799bd4exeexeexeex.exe

Enumerates connected drives 3 TTPs 24 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)	\??\B:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\G:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\K:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\L:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\O:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\P:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\T:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\V:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\Y:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\E:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\F:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\H:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\I:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\N:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\S:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\U:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\W:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\X:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\A:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\J:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\M:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\Q:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\R:	16713d8d799bd4exeexeexeex.exe
File opened (read-only)	\??\Z:	16713d8d799bd4exeexeexeex.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2964	2268	WerFault.exe	28

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	16713d8d799bd4exeexeexeex.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	16713d8d799bd4exeexeexeex.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	16713d8d799bd4exeexeexeex.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2268	16713d8d799bd4exeexeexeex.exe
2268	16713d8d799bd4exeexeexeex.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2964	2268	16713d8d799bd4exeexeexeex.exe	30
PID 2268 wrote to memory of 2964	2268	16713d8d799bd4exeexeexeex.exe	30
PID 2268 wrote to memory of 2964	2268	16713d8d799bd4exeexeexeex.exe	30
PID 2268 wrote to memory of 2964	2268	16713d8d799bd4exeexeexeex.exe	30

C:\Users\Admin\AppData\Local\Temp\16713d8d799bd4exeexeexeex.exe
"C:\Users\Admin\AppData\Local\Temp\16713d8d799bd4exeexeexeex.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 516
  2⤵
  - Program crash
  PID:2964

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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