78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4

General

Target

78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe
Size

55KB
MD5

29c26233e986348e30a1935edf597fc0
SHA1

45b6c377a986d2bd30998190023ef2e70ab3cd4c
SHA256

78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4
SHA512

7d4a404f071d74aed81e17bd144583a363cb163dcaaa46c5560adc4d1ea3464f102ea751b81c445fbb966de648a1ac538e5e258f908734479dbb065251d5be08
SSDEEP

768:Oe3PFaDVyOQgljLDKRJyM3BmsHzSB4us/wJJapg4RoSMZeUZB/QosWpH+DrCUpft:V3cpyORJLuB4P4AJJv4Romu/9tpvUZd

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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe

Loads dropped DLL 1 IoCs

pid	Process
4856	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\ie13\Internat Explorer\Desktop.ini	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\ie13\Internat Explorer	attrib.exe
File opened for modification	C:\Program Files (x86)\Microsoft\ie13\Internat Explorer\Desktop.ini	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe
File created	C:\Program Files (x86)\Microsoft\ie13\Internat Explorer\target.lnk	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.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\jgpfile\DefaultIcon\ = "%1"	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\shell\open	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.jgp	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\DefaultIcon	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\shell\open\command	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\shell	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\shell\open\command\ = "explorer \"C:\\Program Files (x86)\\Microsoft\\%*ie%S3\\%2Internat Explorer\""	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.jgp\ = "jgpfile"	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 1408	4856	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe	80
PID 4856 wrote to memory of 1408	4856	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe	80
PID 4856 wrote to memory of 1408	4856	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe	80
PID 4856 wrote to memory of 1528	4856	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe	83
PID 4856 wrote to memory of 1528	4856	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe	83
PID 4856 wrote to memory of 1528	4856	78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe	83

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1408	attrib.exe

C:\Users\Admin\AppData\Local\Temp\78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.exe
"C:\Users\Admin\AppData\Local\Temp\78dfbfb0c4b9b813557272cb76f88e9cef96a023721b455e34d799417beabdb4.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:4856
- C:\Windows\SysWOW64\attrib.exe
  "C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft\ie13\Internat Explorer" +s
  2⤵
  - Drops file in Program Files directory
  - Views/modifies file attributes
  PID:1408
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp.bat" "
  2⤵
  PID:1528

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsoAB0C.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

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

Filesize
250B

MD5
583fb3c6c73c6347cbdf30140689bed6

SHA1
28cf23444fe811d5ee3e191b9663abcf00beddc5

SHA256
215b2a5600e2390d41675626b721c28b9001e683427ca4bcadd502b7892f38d7

SHA512
444fe6778d26fc6fce2763526d42f91ad0666448d6dc3126800e52277779b2780ca75e53f91f43822eef46852b95e39ffd3764f8356b0024e7b7310e0a01932a

Download Submit
memory/1408-132-0x0000000000000000-mapping.dmp

Download
memory/1528-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads