Analysis
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max time kernel
45s -
max time network
50s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
27-04-2024 09:24
Behavioral task
behavioral1
Sample
AudioSwitcher.AudioApi.CoreAudio.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral2
Sample
AudioSwitcher.AudioApi.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
Sodium.dll
Resource
win10v2004-20240426-en
General
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Target
TelegramRAT.exe
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Size
111KB
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MD5
8834c1eaf28b3b076df2a0aac5d1148e
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SHA1
640e70c94c0e01492c4c45cf2b23b65914a94cc5
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SHA256
49f704606ec839fa6867a5f5f67090299b69b02dab7d352e161c8a754165de8a
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SHA512
59c6d085818d43607ee2aef904899690a116a34f6e50978c35017d1a546964bcdfc435b7fb09bab998d4d0eacc8b614a58a55c029311d7c33473a501f4f3f561
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SSDEEP
1536:p+bvqJIP4M91qQIwzUrxxxdKy2nBfUbhDqI6CsQWVzCrAZuDZ6Dd:sbvqJe4MUlxxDrbxqHBQWVzCrAZuDQd
Malware Config
Extracted
toxiceye
https://api.telegram.org/bot7005624592:AAFT1GroRFjOnavaa8nJipFR-iCuYT3f2xQ/sendMessage?chat_id=6235796510
Signatures
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
TelegramRAT.exerat.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation TelegramRAT.exe Key value queried \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation rat.exe -
Executes dropped EXE 1 IoCs
Processes:
rat.exepid process 4692 rat.exe -
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.
Processes:
schtasks.exeschtasks.exepid process 644 schtasks.exe 552 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1944 timeout.exe -
Enumerates processes with tasklist 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
TelegramRAT.exetasklist.exerat.exedescription pid process Token: SeDebugPrivilege 3948 TelegramRAT.exe Token: SeDebugPrivilege 3340 tasklist.exe Token: SeDebugPrivilege 4692 rat.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
TelegramRAT.execmd.exerat.exedescription pid process target process PID 3948 wrote to memory of 644 3948 TelegramRAT.exe schtasks.exe PID 3948 wrote to memory of 644 3948 TelegramRAT.exe schtasks.exe PID 3948 wrote to memory of 4224 3948 TelegramRAT.exe cmd.exe PID 3948 wrote to memory of 4224 3948 TelegramRAT.exe cmd.exe PID 4224 wrote to memory of 3340 4224 cmd.exe tasklist.exe PID 4224 wrote to memory of 3340 4224 cmd.exe tasklist.exe PID 4224 wrote to memory of 1888 4224 cmd.exe find.exe PID 4224 wrote to memory of 1888 4224 cmd.exe find.exe PID 4224 wrote to memory of 1944 4224 cmd.exe timeout.exe PID 4224 wrote to memory of 1944 4224 cmd.exe timeout.exe PID 4224 wrote to memory of 4692 4224 cmd.exe rat.exe PID 4224 wrote to memory of 4692 4224 cmd.exe rat.exe PID 4692 wrote to memory of 552 4692 rat.exe schtasks.exe PID 4692 wrote to memory of 552 4692 rat.exe schtasks.exe -
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:3948 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\Admin\rat.exe"2⤵
- Creates scheduled task(s)
PID:644
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp4EEB.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp4EEB.tmp.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4224 -
C:\Windows\system32\tasklist.exeTasklist /fi "PID eq 3948"3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:3340
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C:\Windows\system32\find.exefind ":"3⤵PID:1888
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C:\Windows\system32\timeout.exeTimeout /T 1 /Nobreak3⤵
- Delays execution with timeout.exe
PID:1944
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C:\Users\Admin\rat.exe"rat.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4692 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\Admin\rat.exe"4⤵
- Creates scheduled task(s)
PID:552
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
185B
MD54a1a7aadf22a22bd031b23831bad2a51
SHA15ddeb20ea0f03379995559c87527521b9a6cbf3f
SHA25619e5bb09c194b7851113ca43c04505c0bad46a6dc5377754f43bcb66e6ae126c
SHA5120f25fdcef786b8a48275f77de1b329e4d6427436112148d257897442a83b6eea04eed142997b815b68daeb29f387c85cb3f817317a48a0591a456f371a273d8d
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Filesize
111KB
MD58834c1eaf28b3b076df2a0aac5d1148e
SHA1640e70c94c0e01492c4c45cf2b23b65914a94cc5
SHA25649f704606ec839fa6867a5f5f67090299b69b02dab7d352e161c8a754165de8a
SHA51259c6d085818d43607ee2aef904899690a116a34f6e50978c35017d1a546964bcdfc435b7fb09bab998d4d0eacc8b614a58a55c029311d7c33473a501f4f3f561