Analysis
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max time kernel
147s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240319-en -
resource tags
arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system -
submitted
30-03-2024 01:13
Static task
static1
Behavioral task
behavioral1
Sample
b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe
Resource
win10v2004-20240319-en
General
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Target
b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe
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Size
745KB
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MD5
612b4992d513cfff18282f683e73ecf9
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SHA1
f1470207b5e07d501ad383286ae4aec9d7b5bb58
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SHA256
b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48
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SHA512
a1c3c8a03ca951000c88d92a4f00959e2f8237ae55212d1a26fcbfd23ce2149ec78c5b98ef7f9e322f8e6648b3831fc1177aec6b4495462b1198dc62e690313b
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SSDEEP
12288:vdYU27LK1OLD8U0FUAY4sm2oIGZ9mbFg67KfI5z79N26L1egXMVEIP5+YEwN2:v6U27iOLASdLm2oIWmbF/J5v9gwD
Malware Config
Extracted
Protocol: smtp- Host:
pro51.emailserver.vn - Port:
587 - Username:
[email protected] - Password:
O{AG(tbFk2.Y
Extracted
agenttesla
Protocol: smtp- Host:
pro51.emailserver.vn - Port:
587 - Username:
[email protected] - Password:
O{AG(tbFk2.Y - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 39 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exedescription pid process target process PID 3140 set thread context of 1596 3140 b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exepid process 1596 b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe 1596 b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe 1596 b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exedescription pid process Token: SeDebugPrivilege 1596 b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exedescription pid process target process PID 3140 wrote to memory of 1596 3140 b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe PID 3140 wrote to memory of 1596 3140 b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe PID 3140 wrote to memory of 1596 3140 b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe PID 3140 wrote to memory of 1596 3140 b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe PID 3140 wrote to memory of 1596 3140 b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe PID 3140 wrote to memory of 1596 3140 b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe PID 3140 wrote to memory of 1596 3140 b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe PID 3140 wrote to memory of 1596 3140 b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe"C:\Users\Admin\AppData\Local\Temp\b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3140 -
C:\Users\Admin\AppData\Local\Temp\b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe"C:\Users\Admin\AppData\Local\Temp\b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1596
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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=3392 --field-trial-handle=2148,i,1752153415760610784,11376271161549019716,262144 --variations-seed-version /prefetch:81⤵PID:5040
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b57cef37484d6731aef9ca1156ad7ebbdda16fedf4c96fd1b8371530582f5d48.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3