Analysis
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max time kernel
137s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
04-07-2024 02:13
Static task
static1
Behavioral task
behavioral1
Sample
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe
Resource
win10v2004-20240611-en
General
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Target
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe
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Size
881KB
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MD5
4b6a9daefc35a680c726bede57b9a1e7
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SHA1
75f1c17dcb8d7d07aba3de32e432a198432fd65b
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SHA256
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b
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SHA512
f3d4d1872ce0e9e75ab82c218dd5ee1b4dad80f1b0b92f79e1338cffa9acffacabe7646e9db1a206fa5715c8d6ad872a562957bf8e46264f9e2acbf7106aeb16
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SSDEEP
12288:mx4DpIngdgIMVJwhIF6A1fUiMxwsVc481bBg4/DnoOVTBkFuVclJ/cocNboPhAMh:ld0G46AVUi2mXwOeldNcNsJR7SJw
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.myanmarblossom.com - Port:
587 - Username:
[email protected] - Password:
tsa211772023kyi - Email To:
[email protected]
http://103.130.147.85
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/3456-7-0x0000000140000000-0x0000000140024000-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:
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe Key opened \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe Key opened \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.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 33 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exedescription pid process target process PID 4412 set thread context of 3456 4412 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exef4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exepid process 4412 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe 4412 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe 3456 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe 3456 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe 3456 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exef4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exedescription pid process Token: SeDebugPrivilege 4412 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe Token: SeDebugPrivilege 3456 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exedescription pid process target process PID 4412 wrote to memory of 3456 4412 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe PID 4412 wrote to memory of 3456 4412 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe PID 4412 wrote to memory of 3456 4412 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe PID 4412 wrote to memory of 3456 4412 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe PID 4412 wrote to memory of 3456 4412 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe PID 4412 wrote to memory of 3456 4412 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe -
outlook_office_path 1 IoCs
Processes:
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe -
outlook_win_path 1 IoCs
Processes:
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe"C:\Users\Admin\AppData\Local\Temp\f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exeC:\Users\Admin\AppData\Local\Temp\f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=2708,i,8660989700097327804,17931739887231169645,262144 --variations-seed-version --mojo-platform-channel-handle=3756 /prefetch:81⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe.logFilesize
1KB
MD500e11b196d5ba77191cba469e8925764
SHA1f1546b803f20c8b4010f862843edc0b0771a681b
SHA256abfc56372bee93b3c083a66ac449e55f824c5ef64cbb87d656011cc0ff1ec6c1
SHA512985bd5a4d4f516701e54a4c361dd3a454cb107694cd240336e32365822f49b47f0a2e0cc04ae7866bfd4d142175540bb329f02f3e1b990e9a09c63c2e258f0a7
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memory/3456-7-0x0000000140000000-0x0000000140024000-memory.dmpFilesize
144KB
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memory/3456-15-0x00007FF8D8490000-0x00007FF8D8F51000-memory.dmpFilesize
10.8MB
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memory/3456-14-0x000000001EBF0000-0x000000001EDB2000-memory.dmpFilesize
1.8MB
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memory/3456-13-0x000000001E9D0000-0x000000001EA20000-memory.dmpFilesize
320KB
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memory/3456-12-0x00007FF8D8490000-0x00007FF8D8F51000-memory.dmpFilesize
10.8MB
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memory/3456-11-0x00007FF8D8490000-0x00007FF8D8F51000-memory.dmpFilesize
10.8MB
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memory/4412-6-0x000000001D740000-0x000000001D7E4000-memory.dmpFilesize
656KB
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memory/4412-0-0x00007FF8D8493000-0x00007FF8D8495000-memory.dmpFilesize
8KB
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memory/4412-10-0x00007FF8D8490000-0x00007FF8D8F51000-memory.dmpFilesize
10.8MB
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memory/4412-5-0x00000000012E0000-0x00000000012F4000-memory.dmpFilesize
80KB
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memory/4412-4-0x00000000017C0000-0x00000000017D6000-memory.dmpFilesize
88KB
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memory/4412-3-0x00000000017A0000-0x00000000017C4000-memory.dmpFilesize
144KB
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memory/4412-2-0x00007FF8D8490000-0x00007FF8D8F51000-memory.dmpFilesize
10.8MB
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memory/4412-1-0x0000000000810000-0x00000000008F2000-memory.dmpFilesize
904KB