Analysis
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max time kernel
146s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
10-10-2023 18:11
Static task
static1
Behavioral task
behavioral1
Sample
c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe
Resource
win10v2004-20230915-en
General
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Target
c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe
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Size
364KB
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MD5
d42a5ffaa8adf709411fd8f90206f603
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SHA1
e045a3ce2ea6415dec7b1e0280e4b5bd58ff70dc
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SHA256
c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3
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SHA512
eac6e5863f546caeaebceff1cf849b7a0c2068d4aa4a7399437a91588952bf79f29fab2400b524871b9dece0dcd986ef86db77b0a0a4d84ce88fdc118bf2d88d
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SSDEEP
6144:j0nHBIKD2SJMzodRpUZNFvz6agXHW+RbQn18DDuY/NXOcwPFUPdk6ceh9X3P960G:UHfD2S+j56Jmub0aDuYlXOcwPS1k6ceN
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
posta.ni.net.tr - Port:
587 - Username:
[email protected] - Password:
nilya1957 - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/936-8-0x0000000000400000-0x0000000000424000-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.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.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 31 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exedescription pid process target process PID 4156 set thread context of 936 4156 c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exepid process 936 c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe 936 c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exedescription pid process Token: SeDebugPrivilege 936 c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exedescription pid process target process PID 4156 wrote to memory of 936 4156 c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe PID 4156 wrote to memory of 936 4156 c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe PID 4156 wrote to memory of 936 4156 c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe PID 4156 wrote to memory of 936 4156 c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe PID 4156 wrote to memory of 936 4156 c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe PID 4156 wrote to memory of 936 4156 c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe PID 4156 wrote to memory of 936 4156 c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe PID 4156 wrote to memory of 936 4156 c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe -
outlook_office_path 1 IoCs
Processes:
c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe -
outlook_win_path 1 IoCs
Processes:
c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.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 c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe"C:\Users\Admin\AppData\Local\Temp\c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4156 -
C:\Users\Admin\AppData\Local\Temp\c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exeC:\Users\Admin\AppData\Local\Temp\c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:936
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe.log
Filesize706B
MD5f8bcaf312de8591707436c1dcebba8e4
SHA1a1269828e5f644601622f4a7a611aec8f2eda0b2
SHA256f0f5a90777c70cdceea22bd66b33c1703a318acc45cb012d0b01585a1ac12b29
SHA5123a714f5950584abbc94a27bbd4623bfc5acb1135c8c9fca4d74e70c8481b71ace7dbc1dfbf101dd07c76a050acfb4852f31dd57fc7ae196382336c5edc9e6413