Analysis
- max time kernel
144s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
07/03/2023, 12:27
Static task
static1
Behavioral task
behavioral1
Sample
Shipping documents - CTM - Draft bl.exe
Resource
win7-20230220-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
Shipping documents - CTM - Draft bl.exe
Resource
win10v2004-20230220-en
13 signatures
150 seconds
General
- Target Shipping documents - CTM - Draft bl.exe
- Size 776KB
- Sample230307-pmrseshc9s
- SHA256 08e04faa04ed269f7378476ccf3296ef3ed403817ca6ec26277a4d4fe82bce3e
- MD5 f086adf543e3402b89d92478eede241a
- SHA1 c42105fbd2b820324d10b3d8cf0a62f9d41c755c
- SHA512 b37f0b1ead9aabf831ea0e5f94d9c06a62f9cd28950d12e778165b617782aa149bd52450992960fffa44e0893b1e265f1f92cc2cbecbc41387cd0a31b2d6543b
- SSDEEP 12288:TvTXpXhkZxXUWrgrgYQyMiIPWRQskY2OHwLsS:Tv7pGpgNQyMiIP1Y4oS
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/1472-139-0x0000000000400000-0x0000000000426000-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-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Shipping documents - CTM - Draft bl.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Shipping documents - CTM - Draft bl.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Shipping documents - CTM - Draft bl.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 126 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3852 set thread context of 1472 3852 Shipping documents - CTM - Draft bl.exe 96 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1472 Shipping documents - CTM - Draft bl.exe 1472 Shipping documents - CTM - Draft bl.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1472 Shipping documents - CTM - Draft bl.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3852 wrote to memory of 1472 3852 Shipping documents - CTM - Draft bl.exe 96 PID 3852 wrote to memory of 1472 3852 Shipping documents - CTM - Draft bl.exe 96 PID 3852 wrote to memory of 1472 3852 Shipping documents - CTM - Draft bl.exe 96 PID 3852 wrote to memory of 1472 3852 Shipping documents - CTM - Draft bl.exe 96 PID 3852 wrote to memory of 1472 3852 Shipping documents - CTM - Draft bl.exe 96 PID 3852 wrote to memory of 1472 3852 Shipping documents - CTM - Draft bl.exe 96 PID 3852 wrote to memory of 1472 3852 Shipping documents - CTM - Draft bl.exe 96 PID 3852 wrote to memory of 1472 3852 Shipping documents - CTM - Draft bl.exe 96 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Shipping documents - CTM - Draft bl.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Shipping documents - CTM - Draft bl.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Shipping documents - CTM - Draft bl.exe"C:\Users\Admin\AppData\Local\Temp\Shipping documents - CTM - Draft bl.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3852 -
C:\Users\Admin\AppData\Local\Temp\Shipping documents - CTM - Draft bl.exe"C:\Users\Admin\AppData\Local\Temp\Shipping documents - CTM - Draft bl.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1472
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Shipping documents - CTM - Draft bl.exe.log
- Size 1KB
- SHA256 839fa1f9725719938ffa24533587b168bae2768f23ac09dccb3ad4ab8ae6abcd
- MD5 36049bae97bba745c793444373453cb0
- SHA1 eb6e9a822944e8e207abba1a5e53f0183a1684f1
- SHA512 a6584b7b435afeffb6becfbed82517087030eb23534fa50deecd02330bf36d633ba22e979e36b9c27e35885f9cc1cc9481dadc53cc265be61391e11a7c2c7cdb
- MD5 SHA1 SHA512