Analysis
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max time kernel
77s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
19/07/2023, 12:46
Static task
static1
Behavioral task
behavioral1
Sample
confirm order.pdf.z.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
confirm order.pdf.z.exe
Resource
win10v2004-20230703-en
General
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Target
confirm order.pdf.z.exe
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Size
590KB
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MD5
748ec8e8b465e07469d5fd92a2ae365f
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SHA1
0680fc0f9ccc8d15990c415ddb876b909bda49fe
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SHA256
96f6d5e92907e880383195044e0481a9afbfa675123f86dc25b643b42c22ba29
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SHA512
3d65813c5adde583a9a98f9466bf3bc89173d89ec71a3f3b5f22e1a414e93ae323dd5f273645c32a490469dd5fb39a5f9b8331b3f642158c16953ab07310d6f4
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SSDEEP
12288:NSPYPfY713dxbzSlgpMAn0v4bk5ZgWDoTgeBPYo2XRtNs3ZY7:EPYPgR3dTpZXwgtTJJYooFs3Z
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.kovarviajes.com - Port:
587 - Username:
[email protected] - Password:
P4tt1kr
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/4360-142-0x0000000000400000-0x0000000000426000-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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 confirm order.pdf.z.exe Key opened \REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 confirm order.pdf.z.exe Key opened \REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 confirm order.pdf.z.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 57 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4892 set thread context of 4360 4892 confirm order.pdf.z.exe 99 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4360 confirm order.pdf.z.exe 4360 confirm order.pdf.z.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 4360 confirm order.pdf.z.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4360 confirm order.pdf.z.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4892 wrote to memory of 4360 4892 confirm order.pdf.z.exe 99 PID 4892 wrote to memory of 4360 4892 confirm order.pdf.z.exe 99 PID 4892 wrote to memory of 4360 4892 confirm order.pdf.z.exe 99 PID 4892 wrote to memory of 4360 4892 confirm order.pdf.z.exe 99 PID 4892 wrote to memory of 4360 4892 confirm order.pdf.z.exe 99 PID 4892 wrote to memory of 4360 4892 confirm order.pdf.z.exe 99 PID 4892 wrote to memory of 4360 4892 confirm order.pdf.z.exe 99 PID 4892 wrote to memory of 4360 4892 confirm order.pdf.z.exe 99 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 confirm order.pdf.z.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 confirm order.pdf.z.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\confirm order.pdf.z.exe"C:\Users\Admin\AppData\Local\Temp\confirm order.pdf.z.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4892 -
C:\Users\Admin\AppData\Local\Temp\confirm order.pdf.z.exe"C:\Users\Admin\AppData\Local\Temp\confirm order.pdf.z.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4360
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3