Analysis
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max time kernel
143s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
02-03-2024 03:47
Behavioral task
behavioral1
Sample
TelegramRAT.exe
Resource
win7-20240221-en
General
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Target
TelegramRAT.exe
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Size
141KB
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MD5
2e421076fded17a6c3643d2d65b6d344
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SHA1
8c2d9e0e6b16ab6ddeaacf661f5bf7b472911dd5
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SHA256
872d241e41e2b657746d8d66b3bce7377790d9793d987929482f088f960c8591
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SHA512
1f275c68f898d96cb34ac2027016ee78b0ac2211dc5003ba94c07ea93a66eecd1935c3a14b6b16826447d3beb93f1162499d3fe69fdc49b06c8fd1647812601d
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SSDEEP
3072:lkSfx+nPu2KiQQ7+ofe7Uoxo1bKm1/QW4aCrAZrxIhsz:Sax+nmSn7B1bZ32
Malware Config
Extracted
toxiceye
https://api.telegram.org/bot7040511851:AAEjBKSxADGWlNtLxaKpotGtf53NUQ1UgAo/sendMessage?chat_id=6226815698
Signatures
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation TelegramRAT.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation rat.exe -
Executes dropped EXE 1 IoCs
pid Process 3568 rat.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
flow ioc 34 raw.githubusercontent.com -
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 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2424 schtasks.exe 1796 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4220 timeout.exe -
Enumerates processes with tasklist 1 TTPs 1 IoCs
pid Process 3688 tasklist.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 3568 rat.exe 3568 rat.exe 3568 rat.exe 3568 rat.exe 3568 rat.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4032 TelegramRAT.exe Token: SeDebugPrivilege 3688 tasklist.exe Token: SeDebugPrivilege 3568 rat.exe Token: SeDebugPrivilege 3568 rat.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3568 rat.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 4032 wrote to memory of 2424 4032 TelegramRAT.exe 98 PID 4032 wrote to memory of 2424 4032 TelegramRAT.exe 98 PID 4032 wrote to memory of 3400 4032 TelegramRAT.exe 100 PID 4032 wrote to memory of 3400 4032 TelegramRAT.exe 100 PID 3400 wrote to memory of 3688 3400 cmd.exe 103 PID 3400 wrote to memory of 3688 3400 cmd.exe 103 PID 3400 wrote to memory of 3176 3400 cmd.exe 104 PID 3400 wrote to memory of 3176 3400 cmd.exe 104 PID 3400 wrote to memory of 4220 3400 cmd.exe 105 PID 3400 wrote to memory of 4220 3400 cmd.exe 105 PID 3400 wrote to memory of 3568 3400 cmd.exe 107 PID 3400 wrote to memory of 3568 3400 cmd.exe 107 PID 3568 wrote to memory of 1796 3568 rat.exe 109 PID 3568 wrote to memory of 1796 3568 rat.exe 109 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\TelegramRAT.exe"C:\Users\Admin\AppData\Local\Temp\TelegramRAT.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4032 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\a\rat.exe"2⤵
- Creates scheduled task(s)
PID:2424
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpE81E.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmpE81E.tmp.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3400 -
C:\Windows\system32\tasklist.exeTasklist /fi "PID eq 4032"3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:3688
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C:\Windows\system32\find.exefind ":"3⤵PID:3176
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C:\Windows\system32\timeout.exeTimeout /T 1 /Nobreak3⤵
- Delays execution with timeout.exe
PID:4220
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C:\a\rat.exe"rat.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3568 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\a\rat.exe"4⤵
- Creates scheduled task(s)
PID:1796
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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 --no-appcompat-clear --mojo-platform-channel-handle=3844 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:81⤵PID:568
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
175B
MD55fa6ce82c7f52aa7fbbc320e1d17b196
SHA1a9329971cac9e20ff49c8479296b13885f20bf1f
SHA25604ae9b0d1974e8bc61488df89c92bc731bcfa47e4cc6e7ec64cf22c0d78c0455
SHA512837ffd4badc02d532a9adeecbd81bed517f7d2fc4026df5d23a0d104326377ff3e9c6a88781eadf7abd9bde7c3716996f03a4bab4b779a38446be1ac0b307085
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Filesize
141KB
MD52e421076fded17a6c3643d2d65b6d344
SHA18c2d9e0e6b16ab6ddeaacf661f5bf7b472911dd5
SHA256872d241e41e2b657746d8d66b3bce7377790d9793d987929482f088f960c8591
SHA5121f275c68f898d96cb34ac2027016ee78b0ac2211dc5003ba94c07ea93a66eecd1935c3a14b6b16826447d3beb93f1162499d3fe69fdc49b06c8fd1647812601d