Analysis
-
max time kernel
249s -
max time network
333s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
29-11-2022 17:20
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20220901-en
General
-
Target
tmp.exe
-
Size
845KB
-
MD5
cdcefe2a9534f0cd4960906e3acabc89
-
SHA1
54505d3d097f37d94635698ccc828dd9bdf378a9
-
SHA256
ad7e23da6a9f779b2420c7e40293aa8f54e4b04a04c2a628a9d458de5bc54c06
-
SHA512
d8858c8d1af0873cae85bd7327da7ff5714672db8e425b5604008fc8a5477af1976aeac624bae3f8b84962e501ed8ba0f8353e346d07686c3d30bffffeb458e7
-
SSDEEP
12288:GorqU+xLBdwu8tKPLPysUAyt/fz3/yrEI5fLja9YvPZPDdzoa1cfN:D28e0l/bKEqfL+YnZPDdEPf
Malware Config
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1584-63-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1584-65-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1584-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1584-67-0x000000000042074E-mapping.dmp family_snakekeylogger behavioral1/memory/1584-71-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1584-69-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
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:
tmp.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
tmp.exedescription pid process target process PID 1128 set thread context of 1584 1128 tmp.exe tmp.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
tmp.exetmp.exepid process 1128 tmp.exe 1584 tmp.exe 1584 tmp.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
tmp.exetmp.exedescription pid process Token: SeDebugPrivilege 1128 tmp.exe Token: SeDebugPrivilege 1584 tmp.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
tmp.exedescription pid process target process PID 1128 wrote to memory of 1708 1128 tmp.exe tmp.exe PID 1128 wrote to memory of 1708 1128 tmp.exe tmp.exe PID 1128 wrote to memory of 1708 1128 tmp.exe tmp.exe PID 1128 wrote to memory of 1708 1128 tmp.exe tmp.exe PID 1128 wrote to memory of 1584 1128 tmp.exe tmp.exe PID 1128 wrote to memory of 1584 1128 tmp.exe tmp.exe PID 1128 wrote to memory of 1584 1128 tmp.exe tmp.exe PID 1128 wrote to memory of 1584 1128 tmp.exe tmp.exe PID 1128 wrote to memory of 1584 1128 tmp.exe tmp.exe PID 1128 wrote to memory of 1584 1128 tmp.exe tmp.exe PID 1128 wrote to memory of 1584 1128 tmp.exe tmp.exe PID 1128 wrote to memory of 1584 1128 tmp.exe tmp.exe PID 1128 wrote to memory of 1584 1128 tmp.exe tmp.exe -
outlook_office_path 1 IoCs
Processes:
tmp.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe -
outlook_win_path 1 IoCs
Processes:
tmp.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"2⤵
-
C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1128-54-0x0000000000B40000-0x0000000000C1A000-memory.dmpFilesize
872KB
-
memory/1128-55-0x0000000075FF1000-0x0000000075FF3000-memory.dmpFilesize
8KB
-
memory/1128-56-0x00000000002F0000-0x0000000000306000-memory.dmpFilesize
88KB
-
memory/1128-57-0x0000000000310000-0x000000000031E000-memory.dmpFilesize
56KB
-
memory/1128-58-0x0000000005260000-0x00000000052E8000-memory.dmpFilesize
544KB
-
memory/1128-59-0x0000000000520000-0x000000000056E000-memory.dmpFilesize
312KB
-
memory/1584-60-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
-
memory/1584-61-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
-
memory/1584-63-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
-
memory/1584-65-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
-
memory/1584-66-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
-
memory/1584-67-0x000000000042074E-mapping.dmp
-
memory/1584-71-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
-
memory/1584-69-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB