Analysis
-
max time kernel
141s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
29-09-2023 08:45
Static task
static1
Behavioral task
behavioral1
Sample
a838d82a97f958416bc08c5985fea8ca.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
a838d82a97f958416bc08c5985fea8ca.exe
Resource
win10v2004-20230915-en
General
-
Target
a838d82a97f958416bc08c5985fea8ca.exe
-
Size
325KB
-
MD5
a838d82a97f958416bc08c5985fea8ca
-
SHA1
b767c972b9d0f7779dc33af62ecdf0abe593c51b
-
SHA256
dab25832e2aa9b1844f34e23b9f7bac27dfe2af2ee2c9a5bbec45638caf87b05
-
SHA512
0fd873bbc3231815180b74b6181fa138ac9d2623b93d5d64cfa89c14b7e2f71104cba3c432e035dbedd45d383233adf7b3cb35a5a5e4d7db5d8ad9c3f23142a8
-
SSDEEP
6144:6rguHQQbURQH4SAisJeiF91l5xx8pSIHZKO7c:6rguH/URQYSAisJ9jx8pSaKC
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
posta.ni.net.tr - Port:
587 - Username:
[email protected] - Password:
nilya1957 - Email To:
[email protected]
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4888-8-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
a838d82a97f958416bc08c5985fea8ca.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a838d82a97f958416bc08c5985fea8ca.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a838d82a97f958416bc08c5985fea8ca.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a838d82a97f958416bc08c5985fea8ca.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.
Processes:
flow ioc 15 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
a838d82a97f958416bc08c5985fea8ca.exedescription pid process target process PID 2064 set thread context of 4888 2064 a838d82a97f958416bc08c5985fea8ca.exe a838d82a97f958416bc08c5985fea8ca.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
a838d82a97f958416bc08c5985fea8ca.exepid process 4888 a838d82a97f958416bc08c5985fea8ca.exe 4888 a838d82a97f958416bc08c5985fea8ca.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
a838d82a97f958416bc08c5985fea8ca.exedescription pid process Token: SeDebugPrivilege 4888 a838d82a97f958416bc08c5985fea8ca.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
a838d82a97f958416bc08c5985fea8ca.exedescription pid process target process PID 2064 wrote to memory of 4888 2064 a838d82a97f958416bc08c5985fea8ca.exe a838d82a97f958416bc08c5985fea8ca.exe PID 2064 wrote to memory of 4888 2064 a838d82a97f958416bc08c5985fea8ca.exe a838d82a97f958416bc08c5985fea8ca.exe PID 2064 wrote to memory of 4888 2064 a838d82a97f958416bc08c5985fea8ca.exe a838d82a97f958416bc08c5985fea8ca.exe PID 2064 wrote to memory of 4888 2064 a838d82a97f958416bc08c5985fea8ca.exe a838d82a97f958416bc08c5985fea8ca.exe PID 2064 wrote to memory of 4888 2064 a838d82a97f958416bc08c5985fea8ca.exe a838d82a97f958416bc08c5985fea8ca.exe PID 2064 wrote to memory of 4888 2064 a838d82a97f958416bc08c5985fea8ca.exe a838d82a97f958416bc08c5985fea8ca.exe PID 2064 wrote to memory of 4888 2064 a838d82a97f958416bc08c5985fea8ca.exe a838d82a97f958416bc08c5985fea8ca.exe PID 2064 wrote to memory of 4888 2064 a838d82a97f958416bc08c5985fea8ca.exe a838d82a97f958416bc08c5985fea8ca.exe -
outlook_office_path 1 IoCs
Processes:
a838d82a97f958416bc08c5985fea8ca.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a838d82a97f958416bc08c5985fea8ca.exe -
outlook_win_path 1 IoCs
Processes:
a838d82a97f958416bc08c5985fea8ca.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a838d82a97f958416bc08c5985fea8ca.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a838d82a97f958416bc08c5985fea8ca.exe"C:\Users\Admin\AppData\Local\Temp\a838d82a97f958416bc08c5985fea8ca.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Users\Admin\AppData\Local\Temp\a838d82a97f958416bc08c5985fea8ca.exe"C:\Users\Admin\AppData\Local\Temp\a838d82a97f958416bc08c5985fea8ca.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4888
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a838d82a97f958416bc08c5985fea8ca.exe.log
Filesize706B
MD55c7db004d17be1f3e03b887ed227aab4
SHA12314b88eb40209b12916df51f2eba58a649b125a
SHA2569a3e3ce39e82539c324dfc9e808dffafd5f856e9e2f33175c2054bc004589e35
SHA5129e4af22b739183af195a373daa217d20c5577014606d644eee241babfb902ec3f584468a0d2aebcd5c3bfed2bbcbbec2421cc16536461abd9c70b4c3a0535299