Analysis
- max time kernel
104s - max time network
96s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system - submitted
03/04/2023, 12:23
Static task
static1
Behavioral task
behavioral1
Sample
DHL-AWB.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
DHL-AWB.exe
Resource
win10v2004-20230220-en
General
- Target DHL-AWB.exe
- Size 683KB
- Sample230403-pkgjnsef28
- SHA256 d1a3a5f08d4e2b628880dc9982113a3c502ac26d377b0e7aa527cae7fe67a2d5
- MD5 1b5885adfade648440e841f23c616b56
- SHA1 f2a1ffb81e2a04859c8e7126c4bfc25c5f0054fb
- SHA512 efdb5070aaec6d17941022a6bd01382c1c149aab23120f65376778ba9282e792488e6c83b1aca4651da69b4a522719e01829d8504a013032f275a13e9778a42a
- SSDEEP 12288:w5CBWKdq1FbwwJLwraSZqKESrSp5OBMG8B+8xa6NF2yYCOwT2D8Cc2/j7riF4E:TfrphqJRQBMG8fxa6XrZOw28n2/jPiFR
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5830295968:AAFBRUyMVqMJG31ucaTPOD0EwQdJVbJGSoc/sendMessage?chat_id=6163418482
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 6 IoCs
resource yara_rule behavioral1/memory/1744-69-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1744-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1744-72-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1744-74-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1744-76-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1744-79-0x00000000048F0000-0x0000000004930000-memory.dmp family_snakekeylogger - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL-AWB.exe Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL-AWB.exe Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL-AWB.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 1308 set thread context of 1744 1308 DHL-AWB.exe 32 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1628 schtasks.exe - Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 1308 DHL-AWB.exe 1308 DHL-AWB.exe 1308 DHL-AWB.exe 1308 DHL-AWB.exe 1308 DHL-AWB.exe 1308 DHL-AWB.exe 1308 DHL-AWB.exe 1308 DHL-AWB.exe 1308 DHL-AWB.exe 1308 DHL-AWB.exe 1308 DHL-AWB.exe 1308 DHL-AWB.exe 1308 DHL-AWB.exe 1308 DHL-AWB.exe 1308 DHL-AWB.exe 1308 DHL-AWB.exe 1308 DHL-AWB.exe 1744 DHL-AWB.exe 1308 DHL-AWB.exe 1160 powershell.exe 1744 DHL-AWB.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1308 DHL-AWB.exe Token: SeDebugPrivilege 1744 DHL-AWB.exe Token: SeDebugPrivilege 1160 powershell.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1308 wrote to memory of 1160 1308 DHL-AWB.exe 28 PID 1308 wrote to memory of 1160 1308 DHL-AWB.exe 28 PID 1308 wrote to memory of 1160 1308 DHL-AWB.exe 28 PID 1308 wrote to memory of 1160 1308 DHL-AWB.exe 28 PID 1308 wrote to memory of 1628 1308 DHL-AWB.exe 30 PID 1308 wrote to memory of 1628 1308 DHL-AWB.exe 30 PID 1308 wrote to memory of 1628 1308 DHL-AWB.exe 30 PID 1308 wrote to memory of 1628 1308 DHL-AWB.exe 30 PID 1308 wrote to memory of 1744 1308 DHL-AWB.exe 32 PID 1308 wrote to memory of 1744 1308 DHL-AWB.exe 32 PID 1308 wrote to memory of 1744 1308 DHL-AWB.exe 32 PID 1308 wrote to memory of 1744 1308 DHL-AWB.exe 32 PID 1308 wrote to memory of 1744 1308 DHL-AWB.exe 32 PID 1308 wrote to memory of 1744 1308 DHL-AWB.exe 32 PID 1308 wrote to memory of 1744 1308 DHL-AWB.exe 32 PID 1308 wrote to memory of 1744 1308 DHL-AWB.exe 32 PID 1308 wrote to memory of 1744 1308 DHL-AWB.exe 32 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL-AWB.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL-AWB.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL-AWB.exe"C:\Users\Admin\AppData\Local\Temp\DHL-AWB.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1308 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YQqEOz.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1160
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YQqEOz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5513.tmp"2⤵
- Creates scheduled task(s)
PID:1628
-
-
C:\Users\Admin\AppData\Local\Temp\DHL-AWB.exe"C:\Users\Admin\AppData\Local\Temp\DHL-AWB.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1744
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp5513.tmp
- Size 1KB
- SHA256 99f56ee0d2c409551df349db829af4be27f65270f37385e179b07d649002eb2a
- MD5 941e5f13f185d6c322ef0023fc585ce2
- SHA1 adb5fedfb7f97760df60fd3e9d9be6b23d9146d3
- SHA512 4ca0d596a9a9b4e617c84b114ecd5e3b598b12d806562fa6481febf46d6837fc30af493c044c8ef78e0b1340d323c31115e5c97172ef74ad80f756ba1d098de5
- MD5 SHA1 SHA512