globeimposter | 59e0ab333060b4e510db5d36d87f0fe267ab66b0881955649b06d91d6dd2d486

General

Target

star.exe
Size

360KB
MD5

2f121145ea11b36f9ade0cb8f319e40a
SHA1

d68049989ce98f71f6a562e439f6b6f0a165f003
SHA256

59e0ab333060b4e510db5d36d87f0fe267ab66b0881955649b06d91d6dd2d486
SHA512

9211a74cfa23c70c6ace8bd168ecbe1bb4a06d2e03b5adff5546115137b6ce849d3e41337581123d48e5082319f507d8f2d274621317fada182530e4a0abb6c7

Score

10^/10

globeimposter persistence ransomware

Malware Config

Extracted

Path

C:\read-me.txt

Family

globeimposter

Ransom Note

All your files are Encrypted! For data recovery needs decryptor. How to buy decryptor: ---------------------------------------------------------------------------------------- | 1. Download Tor browser - https://www.torproject.org/ and install it. | 2. Open link in TOR browser - http://mmeeiix2ejdwkmseycljetmpiwebdvgjts75c63camjofn2cjdoulzqd.onion/?STAHYJUHGFV | 3. Create Ticket ---------------------------------------------------------------------------------------- Note! This link is available via Tor Browser only. ------------------------------------------------------------ or http://helpqvrg3cc5mvb3.onion/ Your ID ��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

URLs

http://mmeeiix2ejdwkmseycljetmpiwebdvgjts75c63camjofn2cjdoulzqd.onion/?STAHYJUHGFV

http://helpqvrg3cc5mvb3.onion/

Signatures

GlobeImposter
GlobeImposter is a ransomware first seen in 2017.
ransomware globeimposter

Modifies extensions of user files 8 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\CheckpointOpen.crw => C:\Users\Admin\Pictures\CheckpointOpen.crw.xls	star.exe
File renamed	C:\Users\Admin\Pictures\ConvertFromWrite.raw => C:\Users\Admin\Pictures\ConvertFromWrite.raw.xls	star.exe
File renamed	C:\Users\Admin\Pictures\RenameRedo.png => C:\Users\Admin\Pictures\RenameRedo.png.xls	star.exe
File renamed	C:\Users\Admin\Pictures\SelectUnprotect.raw => C:\Users\Admin\Pictures\SelectUnprotect.raw.xls	star.exe
File renamed	C:\Users\Admin\Pictures\UnprotectResolve.raw => C:\Users\Admin\Pictures\UnprotectResolve.raw.xls	star.exe
File renamed	C:\Users\Admin\Pictures\UpdateEdit.crw => C:\Users\Admin\Pictures\UpdateEdit.crw.xls	star.exe
File opened for modification	C:\Users\Admin\Pictures\ApproveSearch.tiff	star.exe
File renamed	C:\Users\Admin\Pictures\ApproveSearch.tiff => C:\Users\Admin\Pictures\ApproveSearch.tiff.xls	star.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	star.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\BrowserUpdateCheck = "C:\\Users\\Admin\\AppData\\Local\\star.exe"	star.exe

Drops desktop.ini file(s) 24 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	star.exe
File opened for modification	C:\Users\Public\Recorded TV\desktop.ini	star.exe
File opened for modification	C:\Users\Public\Recorded TV\Sample Media\desktop.ini	star.exe
File opened for modification	C:\Users\Public\Pictures\Sample Pictures\desktop.ini	star.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	star.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	star.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	star.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	star.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	star.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	star.exe
File opened for modification	C:\Users\Admin\Favorites\Links for United States\desktop.ini	star.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	star.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	star.exe
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	star.exe
File opened for modification	C:\Users\Public\desktop.ini	star.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	star.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	star.exe
File opened for modification	C:\Users\Public\Libraries\desktop.ini	star.exe
File opened for modification	C:\Users\Public\Downloads\desktop.ini	star.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	star.exe
File opened for modification	C:\Users\Public\Videos\Sample Videos\desktop.ini	star.exe
File opened for modification	C:\Users\Public\Music\Sample Music\desktop.ini	star.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	star.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	star.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1944 set thread context of 1088	1944	star.exe	29

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
2008	schtasks.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 2008	1944	star.exe	27
PID 1944 wrote to memory of 2008	1944	star.exe	27
PID 1944 wrote to memory of 2008	1944	star.exe	27
PID 1944 wrote to memory of 2008	1944	star.exe	27
PID 1944 wrote to memory of 1088	1944	star.exe	29
PID 1944 wrote to memory of 1088	1944	star.exe	29
PID 1944 wrote to memory of 1088	1944	star.exe	29
PID 1944 wrote to memory of 1088	1944	star.exe	29
PID 1944 wrote to memory of 1088	1944	star.exe	29
PID 1944 wrote to memory of 1088	1944	star.exe	29
PID 1944 wrote to memory of 1088	1944	star.exe	29

C:\Users\Admin\AppData\Local\Temp\star.exe
"C:\Users\Admin\AppData\Local\Temp\star.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jVYbanglCI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp280B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2008
- C:\Users\Admin\AppData\Local\Temp\star.exe
  "{path}"
  2⤵
  - Modifies extensions of user files
  - Adds Run key to start application
  - Drops desktop.ini file(s)
  PID:1088

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

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\tmp280B.tmp

Filesize
1KB

MD5
bb910ae88dc840ba6e45389ffe6c6196

SHA1
640c0e3a1e918c12255a51f16ab6bb5ece1e85a6

SHA256
68be26cec28d3e64f867678c40994352ad27b2e92c0c7db9fdaf068b290541ee

SHA512
e6b95310c5b3ad7553e9992ade23934e4ed128959702ca39b9c27cf5408517e1b2ca336a2823323aaf841ca04a793030cbd60af6d40ec15f728981c9bf840fb1

Download Submit
memory/1088-64-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1088-61-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1088-62-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1088-68-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1088-69-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1944-56-0x0000000000390000-0x000000000039A000-memory.dmp

Filesize
40KB

Download
memory/1944-57-0x0000000004BE0000-0x0000000004C46000-memory.dmp

Filesize
408KB

Download
memory/1944-58-0x00000000006B0000-0x00000000006C2000-memory.dmp

Filesize
72KB

Download
memory/1944-55-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/1944-54-0x0000000000820000-0x0000000000880000-memory.dmp

Filesize
384KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads