Analysis
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max time kernel
161s -
max time network
188s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
07/05/2023, 01:13
Static task
static1
Behavioral task
behavioral1
Sample
9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe
Resource
win10v2004-20230220-en
General
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Target
9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe
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Size
691KB
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MD5
2ff4d870cb02831c65b73f1d0205ce09
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SHA1
4ec739c65bc70acd3cbcbddc249630e77754acc5
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SHA256
9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f
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SHA512
3b8190b413a8969bb8377f5918f2d2e4f4d096440be54f2bd6a7b4918e9e88656716b57b4d5ac8bcef7eb5ff39ea7d9e5e21b6e8581eb44ef56132da45ff7aa6
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SSDEEP
12288:5c77oMdswXyP1+k9fR4fG0KmuV1By7o/7EK+jQvCiy0zhW:OkkfbuGc/78QvCi
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot5435719278:AAFkA_rGsUomupSCBqIPHcOBw0iPF0KuOG0/sendMessage?chat_id=5666881718
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/1472-144-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 1 IoCs
resource yara_rule behavioral2/memory/1472-144-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Control Panel\International\Geo\Nation 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe Key opened \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe Key opened \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.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 74 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1144 set thread context of 1472 1144 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 90 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4612 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1144 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 1472 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 1472 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1144 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe Token: SeDebugPrivilege 1472 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1144 wrote to memory of 4612 1144 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 87 PID 1144 wrote to memory of 4612 1144 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 87 PID 1144 wrote to memory of 4612 1144 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 87 PID 1144 wrote to memory of 1472 1144 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 90 PID 1144 wrote to memory of 1472 1144 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 90 PID 1144 wrote to memory of 1472 1144 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 90 PID 1144 wrote to memory of 1472 1144 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 90 PID 1144 wrote to memory of 1472 1144 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 90 PID 1144 wrote to memory of 1472 1144 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 90 PID 1144 wrote to memory of 1472 1144 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 90 PID 1144 wrote to memory of 1472 1144 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 90 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe"C:\Users\Admin\AppData\Local\Temp\9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uSOBUcBSYSz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp99A0.tmp"2⤵
- Creates scheduled task(s)
PID:4612
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C:\Users\Admin\AppData\Local\Temp\9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1472
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe.log
Filesize1KB
MD517573558c4e714f606f997e5157afaac
SHA113e16e9415ceef429aaf124139671ebeca09ed23
SHA256c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553
SHA512f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc
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Filesize
1KB
MD5c764fc8c3dd9d432e01395dce7f73d9d
SHA191b6392f5f5c317f08585b8a674e3a281af69d7f
SHA256cacc673f5f2001bb8b5c55e41476e6dac209ec2af4dc8a3315eda9c87d3b4a4a
SHA5125dfe86462ae5125b79ba642ad99197144bfa9bb6b5e051c2bd2f30249903450feff21ba1a41cc339c6a7b0e2be0f3f90df069e055b798ef7c6c0d6583c65cd9f