Analysis
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max time kernel
117s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2024 20:55
Behavioral task
behavioral1
Sample
c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe
Resource
win7-20240903-en
General
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Target
c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe
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Size
74KB
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MD5
4330642b1f3c75e376da876245138800
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SHA1
72228b675c946ecbdefa9fc0938d04861b8acd89
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SHA256
c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7
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SHA512
c892485efc7326ea02dfbc9ce6058289058f485ebfbdf0ea0507036690beb7c51a3e8cd5f06fa8343d69f69abccdf30f9d3882dc0133c34a22debcb31374d74d
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SSDEEP
1536:5UNQcx6ZoCrGPMVU+/sIRH1bJ/SOlgNQzcyLVclN:5Uicx6qQGPMVU+/PH1bJbl8QjBY
Malware Config
Extracted
asyncrat
Venom RAT + HVNC + Stealer + Grabber v6.0.3
Default
127.0.0.1:1177
127.0.0.1:21053
187.18.72.113:1177
187.18.72.113:21053
189.14.62.242:1177
189.14.62.242:21053
192.168.1.6:1177
192.168.1.6:21053
210.53.210.53:1177
210.53.210.53:21053
10.9.237.62:1177
10.9.237.62:21053
aewfcdorqvoec
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delay
1
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install
true
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install_file
start.exe
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install_folder
%Temp%
Signatures
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Asyncrat family
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resource yara_rule behavioral2/memory/4272-1-0x0000000000210000-0x0000000000228000-memory.dmp VenomRAT behavioral2/files/0x0007000000023c9c-12.dat VenomRAT -
Venomrat family
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Async RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x0007000000023c9c-12.dat family_asyncrat -
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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe -
Executes dropped EXE 1 IoCs
pid Process 2628 start.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Delays execution with timeout.exe 1 IoCs
pid Process 3648 timeout.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 432 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 32 IoCs
pid Process 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 2628 start.exe 2628 start.exe 2628 start.exe 2628 start.exe 2628 start.exe 2628 start.exe 2628 start.exe 2628 start.exe 2628 start.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe Token: SeDebugPrivilege 2628 start.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2628 start.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4272 wrote to memory of 5076 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 83 PID 4272 wrote to memory of 5076 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 83 PID 4272 wrote to memory of 3976 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 84 PID 4272 wrote to memory of 3976 4272 c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe 84 PID 5076 wrote to memory of 432 5076 cmd.exe 87 PID 5076 wrote to memory of 432 5076 cmd.exe 87 PID 3976 wrote to memory of 3648 3976 cmd.exe 88 PID 3976 wrote to memory of 3648 3976 cmd.exe 88 PID 3976 wrote to memory of 2628 3976 cmd.exe 90 PID 3976 wrote to memory of 2628 3976 cmd.exe 90 -
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\c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe"C:\Users\Admin\AppData\Local\Temp\c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7N.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4272 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "start" /tr '"C:\Users\Admin\AppData\Local\Temp\start.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
PID:5076 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "start" /tr '"C:\Users\Admin\AppData\Local\Temp\start.exe"'3⤵
- Scheduled Task/Job: Scheduled Task
PID:432
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA122.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:3976 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:3648
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C:\Users\Admin\AppData\Local\Temp\start.exe"C:\Users\Admin\AppData\Local\Temp\start.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2628
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
74KB
MD54330642b1f3c75e376da876245138800
SHA172228b675c946ecbdefa9fc0938d04861b8acd89
SHA256c12d0924a3ff38fad8d7aa4fa9abeafd2dec07b452bd0d5d10af5f5b07f244e7
SHA512c892485efc7326ea02dfbc9ce6058289058f485ebfbdf0ea0507036690beb7c51a3e8cd5f06fa8343d69f69abccdf30f9d3882dc0133c34a22debcb31374d74d
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Filesize
152B
MD5342333a61953ace3be19e386a8dd077a
SHA140a16c7a59e19be9311cd4374feb1d5675f26cfe
SHA25657c8b917e90605a91c5cc803e07dc6731c00eb66495549c05fa432c4bbcab8b7
SHA512f35cdde6b3178d5be724fdf4f00afdef62247e5240b715688c11b34630c3f96c675256e90a5bcd36fb5d44d030847f055b3a741d433ccf72be26e3b2e44cd6dd
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Filesize
8B
MD5cf759e4c5f14fe3eec41b87ed756cea8
SHA1c27c796bb3c2fac929359563676f4ba1ffada1f5
SHA256c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
SHA512c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b