Analysis
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max time kernel
120s -
max time network
170s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
11-10-2023 08:36
Static task
static1
Behavioral task
behavioral1
Sample
37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
Resource
win10v2004-20230915-en
General
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Target
37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
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Size
562KB
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MD5
a6e27476fcf3b370cb3a39eed9711232
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SHA1
6d7248bb673f781a5d93982613c25555f39d7500
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SHA256
37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb
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SHA512
9a5306dcbeedf1a06aa97bf4d33a061c0af0169b28cfba14f024cc22ce358624631652cf5d8fa8a76f41ff064d1983a5b795ffc53efaf816c1a12faab01eaade
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SSDEEP
12288:9u1h+Uw1MMMDMMMACUE1o0WA8jyFVIUfTBOT7d73m:IgMMMDMMMAChWyFZfTgd73m
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6493157304:AAGHAAmVG_ud-GzRlE5SfjpNm92V1vbaysI/sendMessage?chat_id=6518133154
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/812-17-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/812-18-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/812-21-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/812-23-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/812-25-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/812-28-0x0000000004A40000-0x0000000004A80000-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:
37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe Key opened \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe Key opened \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exedescription pid process target process PID 3056 set thread context of 812 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exepid process 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe 812 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe 812 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exedescription pid process Token: SeDebugPrivilege 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe Token: SeDebugPrivilege 812 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exedescription pid process target process PID 3056 wrote to memory of 2540 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe schtasks.exe PID 3056 wrote to memory of 2540 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe schtasks.exe PID 3056 wrote to memory of 2540 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe schtasks.exe PID 3056 wrote to memory of 2540 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe schtasks.exe PID 3056 wrote to memory of 2544 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe PID 3056 wrote to memory of 2544 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe PID 3056 wrote to memory of 2544 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe PID 3056 wrote to memory of 2544 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe PID 3056 wrote to memory of 812 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe PID 3056 wrote to memory of 812 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe PID 3056 wrote to memory of 812 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe PID 3056 wrote to memory of 812 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe PID 3056 wrote to memory of 812 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe PID 3056 wrote to memory of 812 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe PID 3056 wrote to memory of 812 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe PID 3056 wrote to memory of 812 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe PID 3056 wrote to memory of 812 3056 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe -
outlook_office_path 1 IoCs
Processes:
37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe -
outlook_win_path 1 IoCs
Processes:
37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe"C:\Users\Admin\AppData\Local\Temp\37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3056 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WYOKdo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp25C9.tmp"2⤵
- Creates scheduled task(s)
PID:2540 -
C:\Users\Admin\AppData\Local\Temp\37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe"{path}"2⤵PID:2544
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C:\Users\Admin\AppData\Local\Temp\37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:812
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5384f02c800064eeeed74332954fbcd34
SHA1009304b098d6dc63001b01dafeca960ad63e6ccf
SHA2566908746dcd059ec87f6cbd67e00dd7f7e03bc08ae4658193b71253a29af9f415
SHA512ef706abd0cdf81e994b522d33c91dc9ec1e981a9f4decebd7c39c4329cfda876adbe0b13825c46ba58156c26b370b6061292f56b97ac9a55b7ffde9d595fc8fa