Analysis
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max time kernel
132s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231025-en -
resource tags
arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system -
submitted
19-11-2023 22:28
Static task
static1
Behavioral task
behavioral1
Sample
b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe
Resource
win10v2004-20231025-en
General
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Target
b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe
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Size
628KB
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MD5
c8fa93aa2b19901add93130d7e19ac8c
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SHA1
674ddfbbde28933ccd2c45192ab1fe864ce8fda8
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SHA256
b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b
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SHA512
4aa0519657f0fc4589e25a0cfdf954782aa8c2b9f756655eb79f428350786f7a9492b8be979eb235010d3e6c8e2cd8b31adb8482e580e47b4752b6f087209b27
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SSDEEP
12288:0WOTNXc33HunBAFnS1GDtb7AufW1mIzAnf0EFQWhf3lnacr6aSTr:j3XuBqSOqNmIzAcEFdhf5a+
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6630888620:AAE93xtVx5O2Dxt-GABfyfFS0US096iv3q8/sendMessage?chat_id=1467583453
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/4088-12-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral2/memory/4088-17-0x00000000050C0000-0x00000000050D0000-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:
b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe Key opened \REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe Key opened \REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.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 65 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exedescription pid process target process PID 4632 set thread context of 4088 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
Processes:
b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exeb161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exepid process 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4088 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe 4088 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exeb161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exedescription pid process Token: SeDebugPrivilege 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe Token: SeDebugPrivilege 4088 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exedescription pid process target process PID 4632 wrote to memory of 1132 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe PID 4632 wrote to memory of 1132 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe PID 4632 wrote to memory of 1132 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe PID 4632 wrote to memory of 4380 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe PID 4632 wrote to memory of 4380 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe PID 4632 wrote to memory of 4380 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe PID 4632 wrote to memory of 4088 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe PID 4632 wrote to memory of 4088 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe PID 4632 wrote to memory of 4088 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe PID 4632 wrote to memory of 4088 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe PID 4632 wrote to memory of 4088 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe PID 4632 wrote to memory of 4088 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe PID 4632 wrote to memory of 4088 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe PID 4632 wrote to memory of 4088 4632 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe -
outlook_office_path 1 IoCs
Processes:
b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe -
outlook_win_path 1 IoCs
Processes:
b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe"C:\Users\Admin\AppData\Local\Temp\b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4632 -
C:\Users\Admin\AppData\Local\Temp\b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe"C:\Users\Admin\AppData\Local\Temp\b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe"2⤵PID:1132
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C:\Users\Admin\AppData\Local\Temp\b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe"C:\Users\Admin\AppData\Local\Temp\b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe"2⤵PID:4380
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C:\Users\Admin\AppData\Local\Temp\b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe"C:\Users\Admin\AppData\Local\Temp\b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4088
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\b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3