af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c

General

Target

af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
Size

151KB
MD5

9367c8452a3f39661dd66bfbccf3e380
SHA1

57cff01e99b5c66a156986f64b1e14dd5800ae04
SHA256

af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c
SHA512

7d4fd8c2a4f7c0eda464a0bcce8a1ae97d77b9712302b7c13d44d892632fb363a46661201d0c4a5fab7c8706c8fc314614a767f4915927e1f498773984a73a9b
SSDEEP

3072:LzQWL+V0K56ChYPgvqe1CeTiuX1Y94581i2J:U0g6wY4vzKt1/J

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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.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	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.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)	\??\S:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\L:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\F:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\Z:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\V:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\T:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\Q:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\N:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\M:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\H:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\G:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\Y:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\R:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\K:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\E:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\X:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\W:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\U:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\P:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\O:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\J:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened (read-only)	\??\I:	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.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:\autorun.inf	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
File opened for modification	C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\PROGRAM FILES (X86)\ADOBE\ACROBAT READER DC\READER\ACRORD32.EXE	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.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
748	3916	WerFault.exe	80

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3916	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
3916	af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe

C:\Users\Admin\AppData\Local\Temp\af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe
"C:\Users\Admin\AppData\Local\Temp\af0f570d7872327fdad002744c6f809e17c2877bdc94472cc03e3a0d5dc0794c.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:3916
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 1344
  2⤵
  - Program crash
  PID:748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3916 -ip 3916
1⤵
PID:4388

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:488

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Hidden Files and Directories

1

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/3916-132-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3916-133-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads