26963032aaa66aef29120d0f3453f17159dbd9d604af007a8d8b6fb6f683fec4

General

Target

18f7d52e72db0e916ba28e107e66f61e.exe
Size

55KB
MD5

18f7d52e72db0e916ba28e107e66f61e
SHA1

82d26ffbb00d79ee7a2e39dd837b633f52cacf2b
SHA256

26963032aaa66aef29120d0f3453f17159dbd9d604af007a8d8b6fb6f683fec4
SHA512

01508fc088bfc7765f149e0c4079ca972409cea0ea398538549484b05ed566340a788701f8319483d28f65a43ec374a7540347e4a76d208d0ff5cdbecada8733
SSDEEP

768:Oe3PFaDVyOQgljLDKRJyM3BmsHzSB4us/wJJapg4RoSMZeUZB/JeA6al6egZj3Ea:V3cpyORJLuB4P4AJJv4Romu/OvZjHZ

Score

10^/10

evasion

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	18f7d52e72db0e916ba28e107e66f61e.exe

Deletes itself 1 IoCs

pid	Process
2772	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1972	18f7d52e72db0e916ba28e107e66f61e.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\ie15\Internat Explorer\Desktop.ini	18f7d52e72db0e916ba28e107e66f61e.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\ie15\Internat Explorer\Desktop.ini	18f7d52e72db0e916ba28e107e66f61e.exe
File created	C:\Program Files (x86)\Microsoft\ie15\Internat Explorer\target.lnk	18f7d52e72db0e916ba28e107e66f61e.exe
File opened for modification	C:\Program Files (x86)\Microsoft\ie15\Internat Explorer	attrib.exe

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.ogc\ = "ogcfile"	18f7d52e72db0e916ba28e107e66f61e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\DefaultIcon	18f7d52e72db0e916ba28e107e66f61e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile	18f7d52e72db0e916ba28e107e66f61e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\DefaultIcon\ = "%1"	18f7d52e72db0e916ba28e107e66f61e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\shell\open\command\ = "explorer \"C:\\Program Files (x86)\\Microsoft\\ie%S5\\%2Internat Explorer\""	18f7d52e72db0e916ba28e107e66f61e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.ogc	18f7d52e72db0e916ba28e107e66f61e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\shell	18f7d52e72db0e916ba28e107e66f61e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\shell\open	18f7d52e72db0e916ba28e107e66f61e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\shell\open\command	18f7d52e72db0e916ba28e107e66f61e.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 2100	1972	18f7d52e72db0e916ba28e107e66f61e.exe	28
PID 1972 wrote to memory of 2100	1972	18f7d52e72db0e916ba28e107e66f61e.exe	28
PID 1972 wrote to memory of 2100	1972	18f7d52e72db0e916ba28e107e66f61e.exe	28
PID 1972 wrote to memory of 2100	1972	18f7d52e72db0e916ba28e107e66f61e.exe	28
PID 1972 wrote to memory of 2100	1972	18f7d52e72db0e916ba28e107e66f61e.exe	28
PID 1972 wrote to memory of 2100	1972	18f7d52e72db0e916ba28e107e66f61e.exe	28
PID 1972 wrote to memory of 2100	1972	18f7d52e72db0e916ba28e107e66f61e.exe	28
PID 1972 wrote to memory of 2772	1972	18f7d52e72db0e916ba28e107e66f61e.exe	31
PID 1972 wrote to memory of 2772	1972	18f7d52e72db0e916ba28e107e66f61e.exe	31
PID 1972 wrote to memory of 2772	1972	18f7d52e72db0e916ba28e107e66f61e.exe	31
PID 1972 wrote to memory of 2772	1972	18f7d52e72db0e916ba28e107e66f61e.exe	31
PID 1972 wrote to memory of 2772	1972	18f7d52e72db0e916ba28e107e66f61e.exe	31
PID 1972 wrote to memory of 2772	1972	18f7d52e72db0e916ba28e107e66f61e.exe	31
PID 1972 wrote to memory of 2772	1972	18f7d52e72db0e916ba28e107e66f61e.exe	31

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2100	attrib.exe

C:\Users\Admin\AppData\Local\Temp\18f7d52e72db0e916ba28e107e66f61e.exe
"C:\Users\Admin\AppData\Local\Temp\18f7d52e72db0e916ba28e107e66f61e.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:1972
- C:\Windows\SysWOW64\attrib.exe
  "C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft\ie15\Internat Explorer" +s
  2⤵
  - Drops file in Program Files directory
  - Views/modifies file attributes
  PID:2100
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp.bat" "
  2⤵
  - Deletes itself
  PID:2772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

2

T1564

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
186B

MD5
00d34d1487362aa8d5fcadd3941041c5

SHA1
b65664d025c1006b93aa2ccec2d0d2426e7edff6

SHA256
380f2ca322cd9d6318c9b6892c8d15f2641832866079c2be9fb8a5c42e23f3c9

SHA512
2ef8ff35b914ad37c02635c230133f6c3b15c142a2422f9ffb3251ef6fca0ee0b089af8f4a202ef946e2892cbf1434e20e2b05eeaeef823d9397a7f8e2fcd2df

Download Submit
\Users\Admin\AppData\Local\Temp\nst5775.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads