Analysis
- max time kernel
185s - max time network
211s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
30/11/2022, 15:36
Behavioral task
behavioral1
Sample
a94be500bff41489e820128e5ae7cf0182cfb4008b96bae7aa84a7fc6bebd86f.exe
Resource
win7-20220812-en
7 signatures
150 seconds
General
- Target a94be500bff41489e820128e5ae7cf0182cfb4008b96bae7aa84a7fc6bebd86f.exe
- Size 5.6MB
- Sample221130-s2ecescg46
- SHA256 a94be500bff41489e820128e5ae7cf0182cfb4008b96bae7aa84a7fc6bebd86f
- MD5 2b9e4c8b5459b6b32afe8232578e62c9
- SHA1 729cd17ddcdb3a25959402d232c4b57afc0a6205
- SHA512 bc5c73c5c88a57498c0ebf5f6ee752214c38679654ea6d0b0ce57801073942611c3032f7053b0b016988920c9794b92c33e021c94020fa01d480c41b2f81e342
- SSDEEP 98304:XQajqcRtCO5ngBBjXUlFNV0ccSL5CAfxsL8v8FGw/4hpfIpoZoaWBV8x4t44pUFn:pjxCYYq7959Z6HGrpQuqas8x4HpUnwh
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
raccoon
rc4.plain
Signatures
- Shurk
Shurk is an infostealer, written in C++ which appeared in 2021.
- Shurk Stealer payload 4 IoCs
resource yara_rule behavioral2/memory/3756-132-0x0000000000E00000-0x0000000001766000-memory.dmp shurk_stealer behavioral2/memory/3756-133-0x0000000000E00000-0x0000000001766000-memory.dmp shurk_stealer behavioral2/memory/3756-134-0x0000000000E00000-0x0000000001766000-memory.dmp shurk_stealer behavioral2/memory/3756-138-0x0000000000E00000-0x0000000001766000-memory.dmp shurk_stealer -
resource yara_rule behavioral2/memory/3756-132-0x0000000000E00000-0x0000000001766000-memory.dmp vmprotect behavioral2/memory/3756-133-0x0000000000E00000-0x0000000001766000-memory.dmp vmprotect behavioral2/memory/3756-134-0x0000000000E00000-0x0000000001766000-memory.dmp vmprotect behavioral2/memory/3756-138-0x0000000000E00000-0x0000000001766000-memory.dmp vmprotect - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 3756 a94be500bff41489e820128e5ae7cf0182cfb4008b96bae7aa84a7fc6bebd86f.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3756 a94be500bff41489e820128e5ae7cf0182cfb4008b96bae7aa84a7fc6bebd86f.exe 3756 a94be500bff41489e820128e5ae7cf0182cfb4008b96bae7aa84a7fc6bebd86f.exe 3756 a94be500bff41489e820128e5ae7cf0182cfb4008b96bae7aa84a7fc6bebd86f.exe 3756 a94be500bff41489e820128e5ae7cf0182cfb4008b96bae7aa84a7fc6bebd86f.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a94be500bff41489e820128e5ae7cf0182cfb4008b96bae7aa84a7fc6bebd86f.exe"C:\Users\Admin\AppData\Local\Temp\a94be500bff41489e820128e5ae7cf0182cfb4008b96bae7aa84a7fc6bebd86f.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3756