Analysis
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max time kernel
147s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
29-12-2023 22:15
Static task
static1
Behavioral task
behavioral1
Sample
received PO Ref-28414779.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
received PO Ref-28414779.exe
Resource
win10v2004-20231215-en
General
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Target
received PO Ref-28414779.exe
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Size
949KB
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MD5
e6548749208c5277f7484e157f907f6f
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SHA1
270a15384e0d9cc1c81153346f3662c7a4e758b5
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SHA256
80ebebc8221b876c5cfd1f93d9dd6685d0e6bae8238648fa529ab2e1644e3cd6
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SHA512
bb8b0770907b95d296382c4938e9a4ebec66e370ec002eb123d90ba78204f660649cc1e549779c8d8b232b96500f2e00361b7162c64faac12528d1638495ea42
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SSDEEP
12288:VxDc9F3nC0Py3gAheEJbjJEK/KpFTJWGwtNJkofEeo4Cb4+DffHRmeU2x8Czz5g/:tKpdEGwtNKo8ec5fvhBxZRMAL
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
BkKMmzZ1
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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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-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 received PO Ref-28414779.exe Key opened \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 received PO Ref-28414779.exe Key opened \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 received PO Ref-28414779.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 64 checkip.dyndns.org 67 freegeoip.app 68 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 208 set thread context of 2436 208 received PO Ref-28414779.exe 101 -
Program crash 1 IoCs
pid pid_target Process procid_target 1396 2436 WerFault.exe 101 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 208 received PO Ref-28414779.exe 208 received PO Ref-28414779.exe 208 received PO Ref-28414779.exe 208 received PO Ref-28414779.exe 2436 received PO Ref-28414779.exe 2436 received PO Ref-28414779.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 208 received PO Ref-28414779.exe Token: SeDebugPrivilege 2436 received PO Ref-28414779.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 208 wrote to memory of 1496 208 received PO Ref-28414779.exe 103 PID 208 wrote to memory of 1496 208 received PO Ref-28414779.exe 103 PID 208 wrote to memory of 1496 208 received PO Ref-28414779.exe 103 PID 208 wrote to memory of 516 208 received PO Ref-28414779.exe 102 PID 208 wrote to memory of 516 208 received PO Ref-28414779.exe 102 PID 208 wrote to memory of 516 208 received PO Ref-28414779.exe 102 PID 208 wrote to memory of 2436 208 received PO Ref-28414779.exe 101 PID 208 wrote to memory of 2436 208 received PO Ref-28414779.exe 101 PID 208 wrote to memory of 2436 208 received PO Ref-28414779.exe 101 PID 208 wrote to memory of 2436 208 received PO Ref-28414779.exe 101 PID 208 wrote to memory of 2436 208 received PO Ref-28414779.exe 101 PID 208 wrote to memory of 2436 208 received PO Ref-28414779.exe 101 PID 208 wrote to memory of 2436 208 received PO Ref-28414779.exe 101 PID 208 wrote to memory of 2436 208 received PO Ref-28414779.exe 101 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 received PO Ref-28414779.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 received PO Ref-28414779.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\received PO Ref-28414779.exe"C:\Users\Admin\AppData\Local\Temp\received PO Ref-28414779.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208 -
C:\Users\Admin\AppData\Local\Temp\received PO Ref-28414779.exe"C:\Users\Admin\AppData\Local\Temp\received PO Ref-28414779.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2436 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2436 -s 11483⤵
- Program crash
PID:1396
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C:\Users\Admin\AppData\Local\Temp\received PO Ref-28414779.exe"C:\Users\Admin\AppData\Local\Temp\received PO Ref-28414779.exe"2⤵PID:516
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C:\Users\Admin\AppData\Local\Temp\received PO Ref-28414779.exe"C:\Users\Admin\AppData\Local\Temp\received PO Ref-28414779.exe"2⤵PID:1496
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2436 -ip 24361⤵PID:2588
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD584e77a587d94307c0ac1357eb4d3d46f
SHA183cc900f9401f43d181207d64c5adba7a85edc1e
SHA256e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99
SHA512aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691