0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6

General

Target

0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
Size

151KB
MD5

5f3e726f2a75bf9b8f854378d35ca645
SHA1

4a206884f1a056eafe991bd84f5b38102ac4edc3
SHA256

0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6
SHA512

0ad5402bfda27dab2d5f2ae5ab19d64b91866d1e37634d77ab84fb63e95ef1bcf7b67574366cc1f4964b3e3c3dc0cb156c185419ab5399e180adad9800810f15
SSDEEP

3072:RNZrhQ+zsQqkxyzeoZo/7Aa2TBC/t0MDSAWiOP67IlwM:RNAQq69/MaGsV0aSRiy67CwM

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"	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.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	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.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)	\??\R:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\P:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\M:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\K:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\E:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\Z:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\V:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\T:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\H:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\G:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\F:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\Y:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\W:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\J:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\I:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\Q:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\N:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\S:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\O:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\L:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\X:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened (read-only)	\??\U:	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.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	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
File opened for modification	C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.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	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.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
4684	4828	WerFault.exe	82

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4828	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
4828	0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe

C:\Users\Admin\AppData\Local\Temp\0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.exe
"C:\Users\Admin\AppData\Local\Temp\0221c78803c4440f5116f728203b13a6a8be56c2eb61831b1bcb3d0a47c670d6.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:4828
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4828 -s 1184
  2⤵
  - Program crash
  PID:4684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4828 -ip 4828
1⤵
PID:4864

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1060

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/4828-132-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4828-133-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads