Analysis
-
max time kernel
118s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
05-07-2024 01:41
Static task
static1
Behavioral task
behavioral1
Sample
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe
Resource
win10v2004-20240704-en
General
-
Target
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe
-
Size
881KB
-
MD5
4b6a9daefc35a680c726bede57b9a1e7
-
SHA1
75f1c17dcb8d7d07aba3de32e432a198432fd65b
-
SHA256
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b
-
SHA512
f3d4d1872ce0e9e75ab82c218dd5ee1b4dad80f1b0b92f79e1338cffa9acffacabe7646e9db1a206fa5715c8d6ad872a562957bf8e46264f9e2acbf7106aeb16
-
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
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3292-7-0x0000000140000000-0x0000000140024000-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.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-587429654-1855694383-2268796072-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe Key opened \REGISTRY\USER\S-1-5-21-587429654-1855694383-2268796072-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe Key opened \REGISTRY\USER\S-1-5-21-587429654-1855694383-2268796072-1000\Software\Microsoft\Office\15.0\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 11 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exedescription pid process target process PID 1612 set thread context of 3292 1612 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exef4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exepid process 1612 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe 3292 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe 3292 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exef4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exedescription pid process Token: SeDebugPrivilege 1612 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe Token: SeDebugPrivilege 3292 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exedescription pid process target process PID 1612 wrote to memory of 3292 1612 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe PID 1612 wrote to memory of 3292 1612 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe PID 1612 wrote to memory of 3292 1612 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe PID 1612 wrote to memory of 3292 1612 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe PID 1612 wrote to memory of 3292 1612 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe PID 1612 wrote to memory of 3292 1612 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe -
outlook_office_path 1 IoCs
Processes:
f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-587429654-1855694383-2268796072-1000\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-1-5-21-587429654-1855694383-2268796072-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe
Processes
-
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
-
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
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe.logFilesize
1KB
MD500e11b196d5ba77191cba469e8925764
SHA1f1546b803f20c8b4010f862843edc0b0771a681b
SHA256abfc56372bee93b3c083a66ac449e55f824c5ef64cbb87d656011cc0ff1ec6c1
SHA512985bd5a4d4f516701e54a4c361dd3a454cb107694cd240336e32365822f49b47f0a2e0cc04ae7866bfd4d142175540bb329f02f3e1b990e9a09c63c2e258f0a7
-
memory/1612-6-0x000000001D320000-0x000000001D3C4000-memory.dmpFilesize
656KB
-
memory/1612-1-0x0000000000310000-0x00000000003F2000-memory.dmpFilesize
904KB
-
memory/1612-3-0x000000001BE40000-0x000000001BE64000-memory.dmpFilesize
144KB
-
memory/1612-4-0x000000001BF70000-0x000000001BF86000-memory.dmpFilesize
88KB
-
memory/1612-5-0x0000000002F00000-0x0000000002F14000-memory.dmpFilesize
80KB
-
memory/1612-0-0x00007FFE29CF3000-0x00007FFE29CF5000-memory.dmpFilesize
8KB
-
memory/1612-10-0x00007FFE29CF0000-0x00007FFE2A7B1000-memory.dmpFilesize
10.8MB
-
memory/1612-2-0x00007FFE29CF0000-0x00007FFE2A7B1000-memory.dmpFilesize
10.8MB
-
memory/3292-7-0x0000000140000000-0x0000000140024000-memory.dmpFilesize
144KB
-
memory/3292-11-0x00007FFE29CF0000-0x00007FFE2A7B1000-memory.dmpFilesize
10.8MB
-
memory/3292-12-0x00007FFE29CF0000-0x00007FFE2A7B1000-memory.dmpFilesize
10.8MB
-
memory/3292-13-0x000000001C150000-0x000000001C1A0000-memory.dmpFilesize
320KB
-
memory/3292-14-0x000000001E620000-0x000000001E7E2000-memory.dmpFilesize
1.8MB
-
memory/3292-15-0x00007FFE29CF0000-0x00007FFE2A7B1000-memory.dmpFilesize
10.8MB