Analysis
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max time kernel
139s -
max time network
148s -
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 08:48
Static task
static1
Behavioral task
behavioral1
Sample
qhCwtk3xzBi0epX.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
qhCwtk3xzBi0epX.exe
Resource
win10v2004-20230915-en
General
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Target
qhCwtk3xzBi0epX.exe
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Size
489KB
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MD5
b4021c454e2c87647872ba4851700174
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SHA1
8c8f281ce90af9a24dd230ad47c1e52b57f9f87e
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SHA256
d0659f8d337232622688d25aca3c38e2e8766cba24836f4c9f76774a1a5ba370
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SHA512
88ed1cf4011e4a072c938635569be22ad836ff30b9bea2d043edb377a745dabebf5f0b589207c017b590c8fee9cd6a82652517dccd37a96c2ec9b00c5baafefe
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SSDEEP
12288:O725kL+UonN7GqXkxpgPgI5ZzVqpiUxDdfyQOnXJ:tA+UoNr0HgTbxixDdfy
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
smtp.1tcl.com - Port:
25 - Username:
[email protected] - Password:
RRa*ysS8
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/1260-12-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral2/memory/1260-17-0x0000000005390000-0x00000000053A0000-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:
qhCwtk3xzBi0epX.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 qhCwtk3xzBi0epX.exe Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 qhCwtk3xzBi0epX.exe Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 qhCwtk3xzBi0epX.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 59 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
qhCwtk3xzBi0epX.exedescription pid process target process PID 4184 set thread context of 1260 4184 qhCwtk3xzBi0epX.exe qhCwtk3xzBi0epX.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
qhCwtk3xzBi0epX.exepid process 1260 qhCwtk3xzBi0epX.exe 1260 qhCwtk3xzBi0epX.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
qhCwtk3xzBi0epX.exedescription pid process Token: SeDebugPrivilege 1260 qhCwtk3xzBi0epX.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
qhCwtk3xzBi0epX.exedescription pid process target process PID 4184 wrote to memory of 1260 4184 qhCwtk3xzBi0epX.exe qhCwtk3xzBi0epX.exe PID 4184 wrote to memory of 1260 4184 qhCwtk3xzBi0epX.exe qhCwtk3xzBi0epX.exe PID 4184 wrote to memory of 1260 4184 qhCwtk3xzBi0epX.exe qhCwtk3xzBi0epX.exe PID 4184 wrote to memory of 1260 4184 qhCwtk3xzBi0epX.exe qhCwtk3xzBi0epX.exe PID 4184 wrote to memory of 1260 4184 qhCwtk3xzBi0epX.exe qhCwtk3xzBi0epX.exe PID 4184 wrote to memory of 1260 4184 qhCwtk3xzBi0epX.exe qhCwtk3xzBi0epX.exe PID 4184 wrote to memory of 1260 4184 qhCwtk3xzBi0epX.exe qhCwtk3xzBi0epX.exe PID 4184 wrote to memory of 1260 4184 qhCwtk3xzBi0epX.exe qhCwtk3xzBi0epX.exe -
outlook_office_path 1 IoCs
Processes:
qhCwtk3xzBi0epX.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 qhCwtk3xzBi0epX.exe -
outlook_win_path 1 IoCs
Processes:
qhCwtk3xzBi0epX.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 qhCwtk3xzBi0epX.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\qhCwtk3xzBi0epX.exe"C:\Users\Admin\AppData\Local\Temp\qhCwtk3xzBi0epX.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4184 -
C:\Users\Admin\AppData\Local\Temp\qhCwtk3xzBi0epX.exe"C:\Users\Admin\AppData\Local\Temp\qhCwtk3xzBi0epX.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1260
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3