Analysis
-
max time kernel
135s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
02-07-2024 01:30
Static task
static1
Behavioral task
behavioral1
Sample
6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe
Resource
win10v2004-20240611-en
General
-
Target
6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe
-
Size
825KB
-
MD5
a7530e8548b1c43ec37d872bedec07f5
-
SHA1
985df304b2180a496395a7433839ac3994cb3fbf
-
SHA256
6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501
-
SHA512
8f762569386ab220181c7d970d3d2b85abab7e5a99325cd5df2e041dea92bbfbf7acc228f735d862dc2f16ea4c585bded70473efef7084bfc99cfc8d4aea2ba1
-
SSDEEP
12288:7ewO+TW+8LeXbSIrEPrWgV9dxNV31xAm0UuuA+hJdF44gPqbK8TNMxWhYhRT44z6:2Le+9V9dxNh1xANuA+nTKVxWYRT4W
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.myanmarblossom.com - Port:
587 - Username:
[email protected] - Password:
tsa211772023kyi - Email To:
[email protected]
http://103.130.147.85
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1840-7-0x0000000140000000-0x0000000140024000-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:
6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe Key opened \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe Key opened \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.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 26 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exedescription pid process target process PID 2340 set thread context of 1840 2340 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exepid process 2340 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe 1840 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe 1840 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exedescription pid process Token: SeDebugPrivilege 2340 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe Token: SeDebugPrivilege 1840 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exedescription pid process target process PID 2340 wrote to memory of 1840 2340 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe PID 2340 wrote to memory of 1840 2340 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe PID 2340 wrote to memory of 1840 2340 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe PID 2340 wrote to memory of 1840 2340 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe PID 2340 wrote to memory of 1840 2340 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe PID 2340 wrote to memory of 1840 2340 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe -
outlook_office_path 1 IoCs
Processes:
6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe -
outlook_win_path 1 IoCs
Processes:
6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.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 6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe"C:\Users\Admin\AppData\Local\Temp\6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exeC:\Users\Admin\AppData\Local\Temp\6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe2⤵
- 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
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe.logFilesize
1KB
MD500e11b196d5ba77191cba469e8925764
SHA1f1546b803f20c8b4010f862843edc0b0771a681b
SHA256abfc56372bee93b3c083a66ac449e55f824c5ef64cbb87d656011cc0ff1ec6c1
SHA512985bd5a4d4f516701e54a4c361dd3a454cb107694cd240336e32365822f49b47f0a2e0cc04ae7866bfd4d142175540bb329f02f3e1b990e9a09c63c2e258f0a7
-
memory/1840-7-0x0000000140000000-0x0000000140024000-memory.dmpFilesize
144KB
-
memory/1840-15-0x00007FFBA5990000-0x00007FFBA6451000-memory.dmpFilesize
10.8MB
-
memory/1840-14-0x000000001EC10000-0x000000001EDD2000-memory.dmpFilesize
1.8MB
-
memory/1840-13-0x000000001E9F0000-0x000000001EA40000-memory.dmpFilesize
320KB
-
memory/1840-12-0x00007FFBA5990000-0x00007FFBA6451000-memory.dmpFilesize
10.8MB
-
memory/1840-10-0x00007FFBA5990000-0x00007FFBA6451000-memory.dmpFilesize
10.8MB
-
memory/2340-3-0x00007FFBA5990000-0x00007FFBA6451000-memory.dmpFilesize
10.8MB
-
memory/2340-6-0x000000001C920000-0x000000001C986000-memory.dmpFilesize
408KB
-
memory/2340-5-0x0000000000E10000-0x0000000000E24000-memory.dmpFilesize
80KB
-
memory/2340-11-0x00007FFBA5990000-0x00007FFBA6451000-memory.dmpFilesize
10.8MB
-
memory/2340-4-0x000000001C0F0000-0x000000001C106000-memory.dmpFilesize
88KB
-
memory/2340-0-0x00007FFBA5993000-0x00007FFBA5995000-memory.dmpFilesize
8KB
-
memory/2340-2-0x0000000003100000-0x0000000003124000-memory.dmpFilesize
144KB
-
memory/2340-1-0x00000000002E0000-0x00000000003B4000-memory.dmpFilesize
848KB