Analysis
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max time kernel
135s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
25-05-2024 01:13
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe
Resource
win7-20240221-en
windows7-x64
5 signatures
150 seconds
General
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Target
4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe
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Size
91KB
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MD5
9211293fdf6164567c9c0557cf200057
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SHA1
cef794bc498b0b4ffea444c8f0bd002f0ad717bc
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SHA256
4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76
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SHA512
bc858a5bf2f61a84718c204b1b3cef8883e91d88f5ca3f974b9531f433e44b62d2d7474a8f5f65213703146603ff531a5441a2640c7c63bf0e3b05de0671a609
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SSDEEP
1536:nMZI65tohmg4x4mRpkKzk9c/8a95TmjsqeEPQk4SfV:nMuHdOpkKzuc/8afmjsqeEPQk4S9
Malware Config
Extracted
Family
asyncrat
Version
0.5.8
Botnet
OS
C2
20.117.108.240:7825
Mutex
IOr8QBoiV215
Attributes
-
delay
3
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install
false
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install_folder
%AppData%
aes.plain
Signatures
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Detects file containing reversed ASEP Autorun registry keys 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1556-2-0x0000000000400000-0x0000000000412000-memory.dmp INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse -
Suspicious use of SetThreadContext 1 IoCs
Processes:
4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exedescription pid process target process PID 4196 set thread context of 1556 4196 4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 1556 RegAsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exedescription pid process target process PID 4196 wrote to memory of 1556 4196 4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe RegAsm.exe PID 4196 wrote to memory of 1556 4196 4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe RegAsm.exe PID 4196 wrote to memory of 1556 4196 4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe RegAsm.exe PID 4196 wrote to memory of 1556 4196 4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe RegAsm.exe PID 4196 wrote to memory of 1556 4196 4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe RegAsm.exe PID 4196 wrote to memory of 1556 4196 4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe RegAsm.exe PID 4196 wrote to memory of 1556 4196 4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe RegAsm.exe PID 4196 wrote to memory of 1556 4196 4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe"C:\Users\Admin\AppData\Local\Temp\4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4196 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe#system322⤵
- Suspicious use of AdjustPrivilegeToken
PID:1556
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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 --field-trial-handle=4028,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=4492 /prefetch:81⤵PID:4252