2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3

General

Target

2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe
Size

55KB
MD5

911e5040d48943af9a4600cf52bdf27b
SHA1

34f1b169cb8ae088e26b7ef8946d352bcb2c4b2f
SHA256

2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3
SHA512

1ffe2255dbe0f42e1771d67dacd92c7d069ddbf3da0d9e6675e0b76b952d032ff72a6fce8fbfd8971020f441151a00aaf3ee34daa80d1e5ef27010d45edb8e41
SSDEEP

1536:V3cpyORJLuB4P4AJJv4Romu/O9IdyjDE1x7:V3c1fP4AJJv45D+dyfEb7

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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe

Deletes itself 1 IoCs

pid	Process
2004	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1724	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\ie12\Internat Explorer\Desktop.ini	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\ie12\Internat Explorer\target.lnk	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe
File opened for modification	C:\Program Files (x86)\Microsoft\ie12\Internat Explorer	attrib.exe
File opened for modification	C:\Program Files (x86)\Microsoft\ie12\Internat Explorer\Desktop.ini	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\DefaultIcon\ = "%1"	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\DefaultIcon	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\shell\open\command	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\shell	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\shell\open	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\shell\open\command\ = "explorer \"C:\\Program Files (x86)\\Microsoft\\ie%S2\\%2Internat Explorer\""	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.ogc	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.ogc\ = "ogcfile"	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 844	1724	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe	27
PID 1724 wrote to memory of 844	1724	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe	27
PID 1724 wrote to memory of 844	1724	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe	27
PID 1724 wrote to memory of 844	1724	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe	27
PID 1724 wrote to memory of 844	1724	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe	27
PID 1724 wrote to memory of 844	1724	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe	27
PID 1724 wrote to memory of 844	1724	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe	27
PID 1724 wrote to memory of 2004	1724	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe	30
PID 1724 wrote to memory of 2004	1724	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe	30
PID 1724 wrote to memory of 2004	1724	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe	30
PID 1724 wrote to memory of 2004	1724	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe	30
PID 1724 wrote to memory of 2004	1724	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe	30
PID 1724 wrote to memory of 2004	1724	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe	30
PID 1724 wrote to memory of 2004	1724	2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe	30

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
844	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe
"C:\Users\Admin\AppData\Local\Temp\2bd8ae716427f9a9853066699684e36f5a9155e28c2666d84518e987208d4bd3.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Loads dropped DLL
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\SysWOW64\attrib.exe
  "C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft\ie12\Internat Explorer" +s
  2⤵
  - Drops file in Program Files directory
  - Views/modifies file attributes
  PID:844
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp.bat" "
  2⤵
  - Deletes itself
  PID:2004

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp.bat

Filesize
250B

MD5
cb9475759f901cff3e1ac940f2621779

SHA1
e2bacf7822593c8eff6c06823e4543cf8ce198af

SHA256
29ed3c85ec7b587180059b4c22f2f7004fd1aac250028a73d8f9390cac7464b3

SHA512
7c6344c2ea1a129b912f6f88d397ebab6da0d05dc71182130b23f353173bd84a73c9c188bda2e58f11b3432922a1ac08868e737ecb8dc72b696eabba71e4da9d

Download Submit
\Users\Admin\AppData\Local\Temp\nso3AC.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
memory/1724-54-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads