Analysis
- max time kernel
131s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
01/12/2022, 14:11
Static task
static1
Behavioral task
behavioral1
Sample
scorejp PO No. POR.03912022.exe
Resource
win7-20220901-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
scorejp PO No. POR.03912022.exe
Resource
win10v2004-20220812-en
13 signatures
150 seconds
General
- Target scorejp PO No. POR.03912022.exe
- Size 892KB
- Sample221201-rhapfsfb23
- SHA256 301f88fbd40f05dd85b6b7c42241c092caa0ab3da6b77aa39cd80b1e14bf2c98
- MD5 c24e1740a83f06095a92a0c3fb9af941
- SHA1 41a7957efd577e18fd6d5388d094542f77f6db79
- SHA512 db70b52e75d3572386932ed0e26766c296cb34312311f3e52c4c7bcfa78ca154392488d3c46ad47f2cff20fcf8862d0dbe02d97656e5982de69b62d3333f5de0
- SSDEEP 24576:/b7qjJQ5B8pnzT1fsUu0Rm6SvHZdNaBc3:jsJDZvpo6SvHZHr
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
snakekeylogger
Credentials
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
qlRYaFn8
-
Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/4040-138-0x0000000000400000-0x0000000000426000-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-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 scorejp PO No. POR.03912022.exe Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 scorejp PO No. POR.03912022.exe Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 scorejp PO No. POR.03912022.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 15 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1028 set thread context of 4040 1028 scorejp PO No. POR.03912022.exe 82 - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 4040 scorejp PO No. POR.03912022.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4040 scorejp PO No. POR.03912022.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1028 wrote to memory of 4040 1028 scorejp PO No. POR.03912022.exe 82 PID 1028 wrote to memory of 4040 1028 scorejp PO No. POR.03912022.exe 82 PID 1028 wrote to memory of 4040 1028 scorejp PO No. POR.03912022.exe 82 PID 1028 wrote to memory of 4040 1028 scorejp PO No. POR.03912022.exe 82 PID 1028 wrote to memory of 4040 1028 scorejp PO No. POR.03912022.exe 82 PID 1028 wrote to memory of 4040 1028 scorejp PO No. POR.03912022.exe 82 PID 1028 wrote to memory of 4040 1028 scorejp PO No. POR.03912022.exe 82 PID 1028 wrote to memory of 4040 1028 scorejp PO No. POR.03912022.exe 82 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 scorejp PO No. POR.03912022.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 scorejp PO No. POR.03912022.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\scorejp PO No. POR.03912022.exe"C:\Users\Admin\AppData\Local\Temp\scorejp PO No. POR.03912022.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1028 -
C:\Users\Admin\AppData\Local\Temp\scorejp PO No. POR.03912022.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4040
-
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\scorejp PO No. POR.03912022.exe.log
- Size 1KB
- SHA256 e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99
- MD5 84e77a587d94307c0ac1357eb4d3d46f
- SHA1 83cc900f9401f43d181207d64c5adba7a85edc1e
- SHA512 aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691
- MD5 SHA1 SHA512