fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55

General

Target

fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
Size

151KB
MD5

965a4381c5a49ba72e64a863fa443de0
SHA1

f6c4fd56f15935ee90f2ca4ca697a114ae3d0869
SHA256

fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55
SHA512

9e2e735273354c1bff062ba39d764c29d766886ffebed00f17e1da2ba55b2f44b52e2c3999bcdf8f9711338b44ceff3fd00b10ab02058b3e865dae00000906fb
SSDEEP

3072:bXWZffnl34DTjkw5dK09BPSE2KawoZiHKghUwhs46FmxULZDlMz:bmll34DvrchghUUseULZD+z

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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.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	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.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)	\??\M:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\K:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\G:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\Z:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\Y:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\V:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\L:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\W:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\P:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\N:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\O:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\I:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\F:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\E:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\U:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\T:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\S:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\J:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\H:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\X:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\R:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened (read-only)	\??\Q:	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.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	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
File opened for modification	C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.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	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3208	4852	WerFault.exe	80

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4852	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
4852	fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe

C:\Users\Admin\AppData\Local\Temp\fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.exe
"C:\Users\Admin\AppData\Local\Temp\fc5e9b1fbfa138ce2d5e1b889275b50cfcea71ccd0dd90b05d9178f7a1e06c55.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
- Suspicious behavior: EnumeratesProcesses
PID:4852
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 732
  2⤵
  - Program crash
  PID:3208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4852 -ip 4852
1⤵
PID:1156

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

1

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4852-132-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4852-133-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads