Analysis
-
max time kernel
140s -
max time network
115s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
25-06-2024 06:15
Static task
static1
Behavioral task
behavioral1
Sample
tmpzm9m5tod.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
tmpzm9m5tod.exe
Resource
win10v2004-20240611-en
General
-
Target
tmpzm9m5tod.exe
-
Size
557KB
-
MD5
af9d6f2a166aaabc3b5614ad30fe6777
-
SHA1
9198d11bc2924fa3a5a1df232fff8f36d1dd5d62
-
SHA256
a6740e91697a194c69526e700ed66eeff7f976364511eaaca4adeb62b7b387ec
-
SHA512
6b1ec03a0dc3300a455b897b17783d098f452946280e24f9da0755417f4b07db1079c3d953b8c289334fa2f35cbff8bfc13136f4b0cc62cc334ce11aa9826582
-
SSDEEP
12288:kajzn2qD+5+Sp1FEXPI18GQ/TSVA7T7qoX3Tmq:njznla+SFEA8tLSzGTm
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
valleycountysar.org - Port:
26 - Username:
[email protected] - Password:
fY,FLoadtsiF
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2744-9-0x0000000000400000-0x0000000000426000-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
Processes:
tmpzm9m5tod.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmpzm9m5tod.exe Key opened \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmpzm9m5tod.exe Key opened \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmpzm9m5tod.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.
Processes:
flow ioc 6 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
tmpzm9m5tod.exedescription pid process target process PID 3748 set thread context of 2744 3748 tmpzm9m5tod.exe tmpzm9m5tod.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
tmpzm9m5tod.exepid process 2744 tmpzm9m5tod.exe 2744 tmpzm9m5tod.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
tmpzm9m5tod.exedescription pid process Token: SeDebugPrivilege 2744 tmpzm9m5tod.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
tmpzm9m5tod.exedescription pid process target process PID 3748 wrote to memory of 2744 3748 tmpzm9m5tod.exe tmpzm9m5tod.exe PID 3748 wrote to memory of 2744 3748 tmpzm9m5tod.exe tmpzm9m5tod.exe PID 3748 wrote to memory of 2744 3748 tmpzm9m5tod.exe tmpzm9m5tod.exe PID 3748 wrote to memory of 2744 3748 tmpzm9m5tod.exe tmpzm9m5tod.exe PID 3748 wrote to memory of 2744 3748 tmpzm9m5tod.exe tmpzm9m5tod.exe PID 3748 wrote to memory of 2744 3748 tmpzm9m5tod.exe tmpzm9m5tod.exe PID 3748 wrote to memory of 2744 3748 tmpzm9m5tod.exe tmpzm9m5tod.exe PID 3748 wrote to memory of 2744 3748 tmpzm9m5tod.exe tmpzm9m5tod.exe -
outlook_office_path 1 IoCs
Processes:
tmpzm9m5tod.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmpzm9m5tod.exe -
outlook_win_path 1 IoCs
Processes:
tmpzm9m5tod.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmpzm9m5tod.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\tmpzm9m5tod.exe"C:\Users\Admin\AppData\Local\Temp\tmpzm9m5tod.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\tmpzm9m5tod.exe"C:\Users\Admin\AppData\Local\Temp\tmpzm9m5tod.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/2744-9-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
-
memory/2744-16-0x0000000075010000-0x00000000757C0000-memory.dmpFilesize
7.7MB
-
memory/2744-15-0x0000000006890000-0x0000000006A52000-memory.dmpFilesize
1.8MB
-
memory/2744-14-0x0000000006670000-0x00000000066C0000-memory.dmpFilesize
320KB
-
memory/2744-11-0x0000000075010000-0x00000000757C0000-memory.dmpFilesize
7.7MB
-
memory/2744-10-0x0000000075010000-0x00000000757C0000-memory.dmpFilesize
7.7MB
-
memory/3748-8-0x0000000005120000-0x0000000005128000-memory.dmpFilesize
32KB
-
memory/3748-7-0x00000000051D0000-0x000000000526C000-memory.dmpFilesize
624KB
-
memory/3748-0-0x000000007501E000-0x000000007501F000-memory.dmpFilesize
4KB
-
memory/3748-6-0x0000000004FA0000-0x0000000004FF4000-memory.dmpFilesize
336KB
-
memory/3748-5-0x0000000004F90000-0x0000000004F9A000-memory.dmpFilesize
40KB
-
memory/3748-4-0x0000000075010000-0x00000000757C0000-memory.dmpFilesize
7.7MB
-
memory/3748-13-0x0000000075010000-0x00000000757C0000-memory.dmpFilesize
7.7MB
-
memory/3748-3-0x0000000004E70000-0x0000000004F02000-memory.dmpFilesize
584KB
-
memory/3748-2-0x0000000005340000-0x00000000058E4000-memory.dmpFilesize
5.6MB
-
memory/3748-1-0x00000000003E0000-0x0000000000472000-memory.dmpFilesize
584KB