Analysis
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max time kernel
125s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
28-09-2024 17:46
Static task
static1
Behavioral task
behavioral1
Sample
SANTSSWK20100001 S-JF 2000133.exe
Resource
win7-20240903-en
General
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Target
SANTSSWK20100001 S-JF 2000133.exe
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Size
665KB
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MD5
b611aea937591e0ed71d5419c8db438e
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SHA1
332c092871569bd366a911768d242d2c6971cb8e
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SHA256
319379237e8c63327a6ce286135cb3355ee2a592742a70e03c00cc0c351d25f5
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SHA512
1036cb32909bb9ff18e53f986782f828e3742c37ef07505d7cbc59e480e573394df3bbb849c098de3e0aa7c7c7f5e598382b4261f4948be8839f7e96f48a2ac7
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SSDEEP
12288:qpZ75lNi/0ux6qCEt+Fys4wdakntbwYgeLiT1lNWkuIQQ18vOESA:qHvNC0etD8ntMEulEkaQ18X
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.mail.ru - Port:
587 - Username:
[email protected] - Password:
mother@200
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 1 IoCs
resource yara_rule behavioral2/memory/2516-17-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation SANTSSWK20100001 S-JF 2000133.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3936 set thread context of 2516 3936 SANTSSWK20100001 S-JF 2000133.exe 101 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SANTSSWK20100001 S-JF 2000133.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SANTSSWK20100001 S-JF 2000133.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2560 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2516 SANTSSWK20100001 S-JF 2000133.exe 2516 SANTSSWK20100001 S-JF 2000133.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2516 SANTSSWK20100001 S-JF 2000133.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3936 wrote to memory of 2560 3936 SANTSSWK20100001 S-JF 2000133.exe 99 PID 3936 wrote to memory of 2560 3936 SANTSSWK20100001 S-JF 2000133.exe 99 PID 3936 wrote to memory of 2560 3936 SANTSSWK20100001 S-JF 2000133.exe 99 PID 3936 wrote to memory of 2516 3936 SANTSSWK20100001 S-JF 2000133.exe 101 PID 3936 wrote to memory of 2516 3936 SANTSSWK20100001 S-JF 2000133.exe 101 PID 3936 wrote to memory of 2516 3936 SANTSSWK20100001 S-JF 2000133.exe 101 PID 3936 wrote to memory of 2516 3936 SANTSSWK20100001 S-JF 2000133.exe 101 PID 3936 wrote to memory of 2516 3936 SANTSSWK20100001 S-JF 2000133.exe 101 PID 3936 wrote to memory of 2516 3936 SANTSSWK20100001 S-JF 2000133.exe 101 PID 3936 wrote to memory of 2516 3936 SANTSSWK20100001 S-JF 2000133.exe 101 PID 3936 wrote to memory of 2516 3936 SANTSSWK20100001 S-JF 2000133.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\SANTSSWK20100001 S-JF 2000133.exe"C:\Users\Admin\AppData\Local\Temp\SANTSSWK20100001 S-JF 2000133.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3936 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yPmkwFKokf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp93AB.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2560
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C:\Users\Admin\AppData\Local\Temp\SANTSSWK20100001 S-JF 2000133.exe"C:\Users\Admin\AppData\Local\Temp\SANTSSWK20100001 S-JF 2000133.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2516
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1904,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=4336 /prefetch:81⤵PID:2316
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD517573558c4e714f606f997e5157afaac
SHA113e16e9415ceef429aaf124139671ebeca09ed23
SHA256c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553
SHA512f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc
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Filesize
1KB
MD5495a918f9acb55b4cd70585a2d0bf5f6
SHA19587a89421267b107ba4bd86fe0f59baf7fb0e88
SHA2560c9d41d6b3c0b9814a937d4decf9d70463a37a074bd324fcd94fcc32223b6d5f
SHA512d89e8a051a02b0c04903b76376fe6fc72d8b876536cde1883e0f9c1da4562f9a4cc5d63ea1ca5407bdf8ff80f37e6a8385d0b18fbe458e126c631c6781e6fc58