b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c

General

Target

b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
Size

151KB
MD5

0e4fc68ce6e942038f3dc9d3376f3179
SHA1

4fda41f3189451e6e733584f5988abd60cf501ce
SHA256

b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c
SHA512

7b7283b683dc90b6dd0905c5a621947452c2edb1d73e48507961f3dba7fa23777d376aa46d87955d572fbc7639dedc224e286992f58f5b60fdc2481064c751f9
SSDEEP

3072:DLm+P8VzL/p/LwXRtWyOXLvxgWQS84IBNGqSd/:3B89h0RtWyGjxgWvsNGR/

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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.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	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.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)	\??\Q:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\K:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\F:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\X:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\T:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\R:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\J:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\I:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\G:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\E:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\Y:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\U:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\S:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\P:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\M:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\Z:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\W:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\N:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\L:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\H:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\V:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened (read-only)	\??\O:	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.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	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened for modification	C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\GROOVE.EXE	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\INFOPATH.EXE	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\MSACCESS.EXE	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\MSPUB.EXE	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\OIS.EXE	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\ONENOTE.EXE	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\OUTLOOK.EXE	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\EXCEL.EXE	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1948	1720	WerFault.exe	25

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1720	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 1948	1720	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe	26
PID 1720 wrote to memory of 1948	1720	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe	26
PID 1720 wrote to memory of 1948	1720	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe	26
PID 1720 wrote to memory of 1948	1720	b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe	26

C:\Users\Admin\AppData\Local\Temp\b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
"C:\Users\Admin\AppData\Local\Temp\b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.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
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 316
  2⤵
  - Program crash
  PID:1948

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

1

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1720-54-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1720-55-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

Filesize
8KB

Download
memory/1720-57-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads