Analysis
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max time kernel
59s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
09-12-2024 05:46
Static task
static1
Behavioral task
behavioral1
Sample
EMICHEM.PDC_PO12YJKLF.scr.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
EMICHEM.PDC_PO12YJKLF.scr.exe
Resource
win10v2004-20241007-en
General
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Target
EMICHEM.PDC_PO12YJKLF.scr.exe
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Size
642KB
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MD5
3b2fdddfea442b19d99bb076e61975a3
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SHA1
f2f86158de5a5091e9279ee5bdd8ed23c82e4649
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SHA256
0ecf60ff337dc16beed8a7faff49d2992ef4fe0f4c76ffc07457a011b382da90
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SHA512
997e4191000d66dd7dade87c35e9502f025b76932c540aa7d2008a701c5661679b291a6800e79005e70c1f8caf41ece3441586d828cae3f14a13178da1bc480d
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SSDEEP
12288:k9j0dY9shQg7WbxARan/jZtg4jy9KQHy9b8xlzS+STpS3NUrkR:Ldhl7WPn7Zmmwvy9LblIUu
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.ozdenticaret.com.tr - Port:
587 - Username:
[email protected] - Password:
Ozd.135246 - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 5 IoCs
resource yara_rule behavioral1/memory/3060-29-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/3060-30-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/3060-26-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/3060-24-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/3060-32-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2712 powershell.exe 2884 powershell.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 3 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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 EMICHEM.PDC_PO12YJKLF.scr.exe Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 EMICHEM.PDC_PO12YJKLF.scr.exe Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 EMICHEM.PDC_PO12YJKLF.scr.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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2684 set thread context of 3060 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 36 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EMICHEM.PDC_PO12YJKLF.scr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EMICHEM.PDC_PO12YJKLF.scr.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2608 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 2712 powershell.exe 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 3060 EMICHEM.PDC_PO12YJKLF.scr.exe 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 2884 powershell.exe 3060 EMICHEM.PDC_PO12YJKLF.scr.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2684 EMICHEM.PDC_PO12YJKLF.scr.exe Token: SeDebugPrivilege 2712 powershell.exe Token: SeDebugPrivilege 3060 EMICHEM.PDC_PO12YJKLF.scr.exe Token: SeDebugPrivilege 2884 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2684 wrote to memory of 2712 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 30 PID 2684 wrote to memory of 2712 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 30 PID 2684 wrote to memory of 2712 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 30 PID 2684 wrote to memory of 2712 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 30 PID 2684 wrote to memory of 2884 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 32 PID 2684 wrote to memory of 2884 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 32 PID 2684 wrote to memory of 2884 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 32 PID 2684 wrote to memory of 2884 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 32 PID 2684 wrote to memory of 2608 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 33 PID 2684 wrote to memory of 2608 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 33 PID 2684 wrote to memory of 2608 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 33 PID 2684 wrote to memory of 2608 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 33 PID 2684 wrote to memory of 3060 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 36 PID 2684 wrote to memory of 3060 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 36 PID 2684 wrote to memory of 3060 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 36 PID 2684 wrote to memory of 3060 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 36 PID 2684 wrote to memory of 3060 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 36 PID 2684 wrote to memory of 3060 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 36 PID 2684 wrote to memory of 3060 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 36 PID 2684 wrote to memory of 3060 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 36 PID 2684 wrote to memory of 3060 2684 EMICHEM.PDC_PO12YJKLF.scr.exe 36 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 EMICHEM.PDC_PO12YJKLF.scr.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 EMICHEM.PDC_PO12YJKLF.scr.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\EMICHEM.PDC_PO12YJKLF.scr.exe"C:\Users\Admin\AppData\Local\Temp\EMICHEM.PDC_PO12YJKLF.scr.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684 -
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\EMICHEM.PDC_PO12YJKLF.scr.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2712
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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\XDZyqvbJ.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2884
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XDZyqvbJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE82.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2608
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C:\Users\Admin\AppData\Local\Temp\EMICHEM.PDC_PO12YJKLF.scr.exe"C:\Users\Admin\AppData\Local\Temp\EMICHEM.PDC_PO12YJKLF.scr.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3060
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5a616cc979d2992bdc78b6646985f0c19
SHA146cc01983834f80a18fed5889846fd65103dc4b3
SHA2565a3a2f0074fb367241bc5238ba4e6f0c61635ea2619904ebf43c3c55d3c1dbc1
SHA512ea805564619a58a1dac17a0f1a516ea4359a1d27df656cc00d1ba2894c4abe9867041fc3235c8e56de4b21e6e59b35996387d50e69a5e7d47b9cc11f4263f3b6
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD5efad8ab8d0e6d84100e21c16145fc40c
SHA138341b12424a56d563145836188c09d4fe8b538f
SHA25627305ba4a6d710d9955ae147be22baf7ee4761e98a4f1499d33d70f45bec7f91
SHA51243833d218e0a47839adec9401b5d1672967882b6b3789efb48ead863171cd232bad19751a7a0a4e14a6143240df8194c29c32890f7f7309c69579fbc3284da91