Analysis
-
max time kernel
118s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
21/09/2023, 05:53
Static task
static1
Behavioral task
behavioral1
Sample
AWB 5331810761 DOCS.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
AWB 5331810761 DOCS.exe
Resource
win10v2004-20230915-en
General
-
Target
AWB 5331810761 DOCS.exe
-
Size
558KB
-
MD5
2cd255beb70377f0e7f5263c64e3a95e
-
SHA1
58551fe38c833a84a8e6c8cf944b99e07d4b1d87
-
SHA256
96ea4265a04a7c823bc0a2d69bd32f60e2444560514e432300f54188170de56c
-
SHA512
391ce67cb3fd408cb3d9b48341532b8b059b221dc6f8226d5cebdfe7988d2d585c3acfa3723e08512df76e9ac6bf398b4f9a89cd1cd054960a5f7414fe0b1cc3
-
SSDEEP
12288:GKdiOsEnxLUC7+B2WcuBwYhKSZHw9zoSnnkgsMwad:GKdiiLcB2x0ZHw9zfuad
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6374308981:AAFJV8dSpWlDNEsEiQsLhSk26tafVqeXISw/sendMessage?chat_id=6518133154
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger payload 6 IoCs
resource yara_rule behavioral1/memory/2712-13-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2712-14-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2712-17-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2712-19-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2712-21-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2712-24-0x0000000004B40000-0x0000000004B80000-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.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AWB 5331810761 DOCS.exe Key opened \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AWB 5331810761 DOCS.exe Key opened \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AWB 5331810761 DOCS.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 2 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2016 set thread context of 2712 2016 AWB 5331810761 DOCS.exe 33 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2668 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2016 AWB 5331810761 DOCS.exe 2016 AWB 5331810761 DOCS.exe 2712 AWB 5331810761 DOCS.exe 2712 AWB 5331810761 DOCS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2016 AWB 5331810761 DOCS.exe Token: SeDebugPrivilege 2712 AWB 5331810761 DOCS.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2016 wrote to memory of 2668 2016 AWB 5331810761 DOCS.exe 30 PID 2016 wrote to memory of 2668 2016 AWB 5331810761 DOCS.exe 30 PID 2016 wrote to memory of 2668 2016 AWB 5331810761 DOCS.exe 30 PID 2016 wrote to memory of 2668 2016 AWB 5331810761 DOCS.exe 30 PID 2016 wrote to memory of 2464 2016 AWB 5331810761 DOCS.exe 32 PID 2016 wrote to memory of 2464 2016 AWB 5331810761 DOCS.exe 32 PID 2016 wrote to memory of 2464 2016 AWB 5331810761 DOCS.exe 32 PID 2016 wrote to memory of 2464 2016 AWB 5331810761 DOCS.exe 32 PID 2016 wrote to memory of 2712 2016 AWB 5331810761 DOCS.exe 33 PID 2016 wrote to memory of 2712 2016 AWB 5331810761 DOCS.exe 33 PID 2016 wrote to memory of 2712 2016 AWB 5331810761 DOCS.exe 33 PID 2016 wrote to memory of 2712 2016 AWB 5331810761 DOCS.exe 33 PID 2016 wrote to memory of 2712 2016 AWB 5331810761 DOCS.exe 33 PID 2016 wrote to memory of 2712 2016 AWB 5331810761 DOCS.exe 33 PID 2016 wrote to memory of 2712 2016 AWB 5331810761 DOCS.exe 33 PID 2016 wrote to memory of 2712 2016 AWB 5331810761 DOCS.exe 33 PID 2016 wrote to memory of 2712 2016 AWB 5331810761 DOCS.exe 33 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AWB 5331810761 DOCS.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AWB 5331810761 DOCS.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\AWB 5331810761 DOCS.exe"C:\Users\Admin\AppData\Local\Temp\AWB 5331810761 DOCS.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jWbdBRIGqFJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE60B.tmp"2⤵
- Creates scheduled task(s)
PID:2668
-
-
C:\Users\Admin\AppData\Local\Temp\AWB 5331810761 DOCS.exe"{path}"2⤵PID:2464
-
-
C:\Users\Admin\AppData\Local\Temp\AWB 5331810761 DOCS.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2712
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD522a5c079ea82814c3c8ae03c947a6a0e
SHA1fc22a2139cad67d08f1d6512757a3a2356215748
SHA256bcf6373c1d27ede43488a953ca5f1b1e915bdbd401266d403390a6dad491b251
SHA5126fab66c0abaee18ab014aef9abee4a2678567c80cd4e953ffa4eafe3a1a51dc289d720dd36c359d887301b3d0c4a586347843bf0a2b034334b0d8801a5316e6b