Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
27-09-2023 17:02
Static task
static1
Behavioral task
behavioral1
Sample
acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe
Resource
win10v2004-20230915-en
General
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Target
acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe
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Size
626KB
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MD5
64d90715da693eebdd2bb41de45a6c64
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SHA1
0d3fcfe3a6a4ff96027d5bbb4c9cb1d6e6312ca0
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SHA256
acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856
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SHA512
db984fb74269a267ec97b633b86e4ca004d0344fd9e7cc205ac92aab62bb4bf9d7c007a9e8fb031aba259009f9a6142bb3ed0e360a5d2aa6af8244c7304b349d
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SSDEEP
12288:uG0WWObWmOx35tiBPz03A2Ku2RbPU4FUsPTlmfn5sCLbszB4HslTnW:W4DQi903YbPU4UsBmGC/GlTn
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/1656-12-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral2/memory/1656-20-0x00000000059F0000-0x0000000005A00000-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:
acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_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 55 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exedescription pid process target process PID 4068 set thread context of 1656 4068 acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exepid process 1656 acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe 1656 acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exedescription pid process Token: SeDebugPrivilege 1656 acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exedescription pid process target process PID 4068 wrote to memory of 1656 4068 acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe PID 4068 wrote to memory of 1656 4068 acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe PID 4068 wrote to memory of 1656 4068 acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe PID 4068 wrote to memory of 1656 4068 acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe PID 4068 wrote to memory of 1656 4068 acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe PID 4068 wrote to memory of 1656 4068 acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe PID 4068 wrote to memory of 1656 4068 acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe PID 4068 wrote to memory of 1656 4068 acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe -
outlook_office_path 1 IoCs
Processes:
acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe -
outlook_win_path 1 IoCs
Processes:
acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe"C:\Users\Admin\AppData\Local\Temp\acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4068 -
C:\Users\Admin\AppData\Local\Temp\acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe"C:\Users\Admin\AppData\Local\Temp\acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1656
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\acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3