e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97

General

Target

e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe
Size

55KB
MD5

616cfb9dacb934951c96a88a67876406
SHA1

d13831c0cfa6589072435b4d98186a7f97881521
SHA256

e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97
SHA512

e5031d0a25e242a9df2745342bdc91362cb9d5853fbbe2e1279a53c9399cddf67875935dbeb919cc8056eb9a754d927d8654c1727f87100825c3c1bbde901261
SSDEEP

1536:V3cpyORJLuB4P4AJJv4Romu/xtKGR8QzG852ncgV:V3c1fP4AJJv45GfbG8kP

Score

10^/10

evasion

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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe

Loads dropped DLL 1 IoCs

pid	Process
428	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft1\Internat Explorer\Desktop.ini	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft1\Internat Explorer	attrib.exe
File opened for modification	C:\Program Files (x86)\Microsoft1\Internat Explorer\Desktop.ini	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe
File created	C:\Program Files (x86)\Microsoft1\Internat Explorer\target.lnk	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogfile\DefaultIcon	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ogfile\DefaultIcon\ = "%1"	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogfile\shell\open	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ogfile\shell\open\command\ = "explorer \"C:\\Program Files (x86)\\Microsoft%S\\Internat Explorer\""	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.og	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.og\ = "ogfile"	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogfile	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogfile\shell\open\command	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogfile\shell	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 428 wrote to memory of 4092	428	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe	80
PID 428 wrote to memory of 4092	428	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe	80
PID 428 wrote to memory of 4092	428	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe	80
PID 428 wrote to memory of 3164	428	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe	83
PID 428 wrote to memory of 3164	428	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe	83
PID 428 wrote to memory of 3164	428	e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe	83

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
4092	attrib.exe

C:\Users\Admin\AppData\Local\Temp\e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe
"C:\Users\Admin\AppData\Local\Temp\e4032ea64471d2fa4d66dbc058f043e27960cc0d4d82659177bba78fd2281e97.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Checks computer location settings
- Loads dropped DLL
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:428
- C:\Windows\SysWOW64\attrib.exe
  "C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft1\Internat Explorer" +s
  2⤵
  - Drops file in Program Files directory
  - Views/modifies file attributes
  PID:4092
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\temp_tmp.bat" "
  2⤵
  PID:3164

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

2

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nsu2B58.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
C:\Users\Admin\AppData\Local\Temp\temp_tmp.bat

Filesize
250B

MD5
5ae4054a0d6244f6bfb739223b0c4ca8

SHA1
baa1f82d631bbd8800e466eb2617bd5ed67f79b3

SHA256
799d16d5e8c44fe991c595184f2c7e42b9ade7fcb95238c8af44f3cc35501aee

SHA512
4f0cf3969e7c115d698fa7f85fd0a0f47865f56876de7a0e1e7c1341537dea1804f1a03f8529dd82fa2f1d224568eacb159bd1a0200af4a055338737fd584f56

Download Submit
memory/3164-134-0x0000000000000000-mapping.dmp

Download
memory/4092-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads