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Analysis
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max time kernel
57s -
max time network
124s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
01/10/2022, 03:01
Static task
static1
Behavioral task
behavioral1
Sample
b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe
Resource
win10-20220812-en
General
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Target
b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe
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Size
690KB
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MD5
1f2f188536e58972140279a1fb1cc731
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SHA1
ee2ceb30d49c7689203b04b980fe0238b5c30c09
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SHA256
b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a
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SHA512
e76c8c3cff7fabf9772182d64309569aa1c1fa49e0f3e150a75dd93fde8593f3a6b3def58b9e0d85c3b386b2286f391832c0e2ad4d3f3ab7113e6e03d0b4bce9
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SSDEEP
12288:bVRY0hGZATnfxBjXqZllykeFAiyiVWv+Nc0CSoOL:3tzT5Uc/ai7wWV
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
cp5ua.hyperhost.ua - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@#$ - Email To:
[email protected]
https://api.telegram.org/bot5321688653:AAEI2yqGrOA_-sRZ3xaqutrexraSgFa0AnA/sendMessage?chat_id=5048077662
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 2 IoCs
resource yara_rule behavioral1/memory/1992-190-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1992-191-0x000000000042049E-mapping.dmp family_snakekeylogger -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe Key opened \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe Key opened \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.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.
flow ioc 12 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1928 set thread context of 1992 1928 b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe 67 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1992 b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1992 b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1928 wrote to memory of 1992 1928 b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe 67 PID 1928 wrote to memory of 1992 1928 b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe 67 PID 1928 wrote to memory of 1992 1928 b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe 67 PID 1928 wrote to memory of 1992 1928 b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe 67 PID 1928 wrote to memory of 1992 1928 b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe 67 PID 1928 wrote to memory of 1992 1928 b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe 67 PID 1928 wrote to memory of 1992 1928 b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe 67 PID 1928 wrote to memory of 1992 1928 b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe 67 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe"C:\Users\Admin\AppData\Local\Temp\b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1928 -
C:\Users\Admin\AppData\Local\Temp\b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe"C:\Users\Admin\AppData\Local\Temp\b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1992
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b5c3d613bed886b4af1631fea8c24cd3e2d73b4a14885d640be56de05c2e637a.exe.log
Filesize1KB
MD512557ab909651a6f99d3503d614d3562
SHA1b86745768059a514bea3a438e1e96086af463246
SHA2569589c869703e95d40d5870c60f66d8460f7914e9fe8dd579533c84148112babd
SHA51210cdb2fa7cf054af937b4aeddfe16fe755d6b09db5a51f7052adbf472b4b435e16c141f3712762f3b67f990c3efcfa47659576988e321214c747d6cd98e75521