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Analysis
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max time kernel
147s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230621-en -
resource tags
arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system -
submitted
02/07/2023, 06:22
Static task
static1
Behavioral task
behavioral1
Sample
Shipping Documents.pdf.exe
Resource
win7-20230621-en
Behavioral task
behavioral2
Sample
Shipping Documents.pdf.exe
Resource
win10v2004-20230621-en
General
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Target
Shipping Documents.pdf.exe
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Size
955KB
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MD5
942bae42d55b0f96f3b71d4615ceade1
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SHA1
ab228e994517f9172791fc811af5c7d97feeb62b
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SHA256
7f01e18e55c703b1a21ec0f57483da3de9d5565ce3e440028d40cf553977a101
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SHA512
f0ff10f52c474157bf5d53673ec929d67aee9cf325e97cc53800e2cd0ec2e2fabe7662c9d8b5d86f08bb4444d201e5ea0e45a79946faa0c28b05703d96beb205
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SSDEEP
12288:hxBk76hehkkhj63DlY7E3RbHN1Hn9+xUkU07O8R:hxuvXj6h3RN1HfkF7n
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot5869504375:AAFm1Z7IkZTyjASpoFpmokA0jISwF8dTPE0/sendMessage?chat_id=6033043077
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/4540-149-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-922299981-3641064733-3870770889-1000\Control Panel\International\Geo\Nation Shipping Documents.pdf.exe -
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-1-5-21-922299981-3641064733-3870770889-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Shipping Documents.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-922299981-3641064733-3870770889-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Shipping Documents.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-922299981-3641064733-3870770889-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Shipping Documents.pdf.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 58 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 376 set thread context of 4540 376 Shipping Documents.pdf.exe 102 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2816 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4592 powershell.exe 376 Shipping Documents.pdf.exe 376 Shipping Documents.pdf.exe 1192 powershell.exe 4540 Shipping Documents.pdf.exe 1192 powershell.exe 4592 powershell.exe 4540 Shipping Documents.pdf.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4592 powershell.exe Token: SeDebugPrivilege 1192 powershell.exe Token: SeDebugPrivilege 376 Shipping Documents.pdf.exe Token: SeDebugPrivilege 4540 Shipping Documents.pdf.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 376 wrote to memory of 1192 376 Shipping Documents.pdf.exe 95 PID 376 wrote to memory of 1192 376 Shipping Documents.pdf.exe 95 PID 376 wrote to memory of 1192 376 Shipping Documents.pdf.exe 95 PID 376 wrote to memory of 4592 376 Shipping Documents.pdf.exe 97 PID 376 wrote to memory of 4592 376 Shipping Documents.pdf.exe 97 PID 376 wrote to memory of 4592 376 Shipping Documents.pdf.exe 97 PID 376 wrote to memory of 2816 376 Shipping Documents.pdf.exe 98 PID 376 wrote to memory of 2816 376 Shipping Documents.pdf.exe 98 PID 376 wrote to memory of 2816 376 Shipping Documents.pdf.exe 98 PID 376 wrote to memory of 2244 376 Shipping Documents.pdf.exe 101 PID 376 wrote to memory of 2244 376 Shipping Documents.pdf.exe 101 PID 376 wrote to memory of 2244 376 Shipping Documents.pdf.exe 101 PID 376 wrote to memory of 4540 376 Shipping Documents.pdf.exe 102 PID 376 wrote to memory of 4540 376 Shipping Documents.pdf.exe 102 PID 376 wrote to memory of 4540 376 Shipping Documents.pdf.exe 102 PID 376 wrote to memory of 4540 376 Shipping Documents.pdf.exe 102 PID 376 wrote to memory of 4540 376 Shipping Documents.pdf.exe 102 PID 376 wrote to memory of 4540 376 Shipping Documents.pdf.exe 102 PID 376 wrote to memory of 4540 376 Shipping Documents.pdf.exe 102 PID 376 wrote to memory of 4540 376 Shipping Documents.pdf.exe 102 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-922299981-3641064733-3870770889-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Shipping Documents.pdf.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-922299981-3641064733-3870770889-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Shipping Documents.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Shipping Documents.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Shipping Documents.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:376 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Shipping Documents.pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1192
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QTgIqHSWvlZhX.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4592
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QTgIqHSWvlZhX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2D69.tmp"2⤵
- Creates scheduled task(s)
PID:2816
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C:\Users\Admin\AppData\Local\Temp\Shipping Documents.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Shipping Documents.pdf.exe"2⤵PID:2244
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C:\Users\Admin\AppData\Local\Temp\Shipping Documents.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Shipping Documents.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4540
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD518b003142bcaf07326f133356453d610
SHA1b391595be9e4d2a2da3f3265d47dd832ee05f934
SHA256caac6732ee8007503905c3f6a4bb6794f8bdc27fc30f4e796dfbb798dfdf91dd
SHA512d4d0c3116c39b46555c084cb783a681f8ada3153069c0f994684c07f1a1b2ddb5a3b5c3f17bafc155da6f6fdceaa12818e5762986671c04b80273dcaa5f16a99