Analysis
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max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
01-01-2025 11:29
Behavioral task
behavioral1
Sample
1234rwe.exe
Resource
win7-20241010-en
General
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Target
1234rwe.exe
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Size
74KB
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MD5
f2d0418d8366c6555496da77cccddcee
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SHA1
812e7f5741fd7e6ba812eab3b8462b10d0adffbd
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SHA256
db08a16f34428dc8c27fa3ad293cac69a200050d94c93ced18b2436cba822b4f
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SHA512
e9278138b62923fd5fec1fe805751d1a786931adf45dce53457f4bf0e8af5e19b05321b67904912243c3642da04662e5c9ed89966a5120dd70f7fdabe14bda5c
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SSDEEP
1536:ZUxQcxh31CfGPMVKGggyVIrH1bo/JfO/V9QzcQxLVclN:ZUecxhlEGPMVRggygH1bot2V9QlxBY
Malware Config
Extracted
asyncrat
Venom RAT + HVNC + Stealer + Grabber v6.0.3
Default
ytgjjhywchk
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delay
1
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install
true
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install_file
RealtekHighDefinitionAudio.exe
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install_folder
%AppData%
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pastebin_config
https://pastebin.com/raw/ZrvsMACD
Signatures
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Asyncrat family
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resource yara_rule behavioral1/memory/1944-1-0x0000000001330000-0x0000000001348000-memory.dmp VenomRAT behavioral1/files/0x0009000000016c5c-16.dat VenomRAT behavioral1/memory/2976-18-0x0000000000AB0000-0x0000000000AC8000-memory.dmp VenomRAT -
Venomrat family
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Async RAT payload 1 IoCs
resource yara_rule behavioral1/files/0x0009000000016c5c-16.dat family_asyncrat -
Executes dropped EXE 1 IoCs
pid Process 2976 RealtekHighDefinitionAudio.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 4 pastebin.com 5 pastebin.com -
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 2504 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 2200 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 49 IoCs
pid Process 1944 1234rwe.exe 1944 1234rwe.exe 1944 1234rwe.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe 2976 RealtekHighDefinitionAudio.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1944 1234rwe.exe Token: SeDebugPrivilege 2976 RealtekHighDefinitionAudio.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2976 RealtekHighDefinitionAudio.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1944 wrote to memory of 2664 1944 1234rwe.exe 30 PID 1944 wrote to memory of 2664 1944 1234rwe.exe 30 PID 1944 wrote to memory of 2664 1944 1234rwe.exe 30 PID 1944 wrote to memory of 2628 1944 1234rwe.exe 31 PID 1944 wrote to memory of 2628 1944 1234rwe.exe 31 PID 1944 wrote to memory of 2628 1944 1234rwe.exe 31 PID 2628 wrote to memory of 2504 2628 cmd.exe 34 PID 2628 wrote to memory of 2504 2628 cmd.exe 34 PID 2628 wrote to memory of 2504 2628 cmd.exe 34 PID 2664 wrote to memory of 2200 2664 cmd.exe 35 PID 2664 wrote to memory of 2200 2664 cmd.exe 35 PID 2664 wrote to memory of 2200 2664 cmd.exe 35 PID 2628 wrote to memory of 2976 2628 cmd.exe 36 PID 2628 wrote to memory of 2976 2628 cmd.exe 36 PID 2628 wrote to memory of 2976 2628 cmd.exe 36 -
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\1234rwe.exe"C:\Users\Admin\AppData\Local\Temp\1234rwe.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "RealtekHighDefinitionAudio" /tr '"C:\Users\Admin\AppData\Roaming\RealtekHighDefinitionAudio.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2664 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "RealtekHighDefinitionAudio" /tr '"C:\Users\Admin\AppData\Roaming\RealtekHighDefinitionAudio.exe"'3⤵
- Scheduled Task/Job: Scheduled Task
PID:2200
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpAD4F.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:2504
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C:\Users\Admin\AppData\Roaming\RealtekHighDefinitionAudio.exe"C:\Users\Admin\AppData\Roaming\RealtekHighDefinitionAudio.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2976
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
170B
MD5d46e08049d6f8143765294ddf801437a
SHA15e22c898e6550818fca8085ac97334d97462f4a4
SHA256bd64d372374181f36b4c0ae6a70741037ec69224d7df1b3240dc0f7a98d604f8
SHA5123f44638c671ece999319d1ba517a90d045e1d5aa60a40aa3224dd791d1ee2a6c88fa2206bcc97bf5706b825c58974fece2af72d6ad7513e26396886a1e39bd52
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Filesize
8B
MD5cf759e4c5f14fe3eec41b87ed756cea8
SHA1c27c796bb3c2fac929359563676f4ba1ffada1f5
SHA256c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
SHA512c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b
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Filesize
74KB
MD5f2d0418d8366c6555496da77cccddcee
SHA1812e7f5741fd7e6ba812eab3b8462b10d0adffbd
SHA256db08a16f34428dc8c27fa3ad293cac69a200050d94c93ced18b2436cba822b4f
SHA512e9278138b62923fd5fec1fe805751d1a786931adf45dce53457f4bf0e8af5e19b05321b67904912243c3642da04662e5c9ed89966a5120dd70f7fdabe14bda5c