Analysis
- max time kernel
62s - max time network
128s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
12/10/2022, 07:29
Static task
static1
Behavioral task
behavioral1
Sample
PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe
Resource
win7-20220812-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe
Resource
win10v2004-20220901-en
10 signatures
150 seconds
General
- Target PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe
- Size 790KB
- Sample221012-ja8yaacha5
- SHA256 672dfe85ece65a72aab50b726b15e61ae7b562f19de89ef17e5fe988abc85823
- MD5 22563b662844992d4e6da5284724c1cf
- SHA1 42f76c2060bc0b145bcfb7b6ac0573d992680d63
- SHA512 9cfdab4d41ccbc2ed9101590a8696a5e428dac50b948360186fbc21c53c1bb26de68cb2eaceb45ed6fdc5ca11e48c72bfabbc1e6f2ac8c35106c2824cb34a0ef
- SSDEEP 12288:hp/oqGPnJA5HEwSAq/vaaHP7Zzl33IrOVv0CUMv:NGitE9GK1J33UOVv5
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
snakekeylogger
C2
-
https://api.telegram.org/bot5486243913:AAG6Jm7sGsjD2aGDej_Ex1CsQwqX0Sb4YT0/sendMessage?chat_id=1760125104
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 6 IoCs
resource yara_rule behavioral1/memory/808-63-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/808-65-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/808-67-0x000000000042061E-mapping.dmp family_snakekeylogger behavioral1/memory/808-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/808-69-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/808-71-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger - Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe - Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1652 set thread context of 808 1652 PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe 27 - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 808 MSBuild.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 808 MSBuild.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1652 wrote to memory of 808 1652 PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe 27 PID 1652 wrote to memory of 808 1652 PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe 27 PID 1652 wrote to memory of 808 1652 PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe 27 PID 1652 wrote to memory of 808 1652 PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe 27 PID 1652 wrote to memory of 808 1652 PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe 27 PID 1652 wrote to memory of 808 1652 PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe 27 PID 1652 wrote to memory of 808 1652 PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe 27 PID 1652 wrote to memory of 808 1652 PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe 27 PID 1652 wrote to memory of 808 1652 PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe 27 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe"C:\Users\Admin\AppData\Local\Temp\PAPER LABELs MADE IN CHI BL PL and INV CGKIR00012759.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:808
-