Analysis
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max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
03/06/2024, 14:26
Static task
static1
Behavioral task
behavioral1
Sample
MV TBN_VLS's DETAILS.xls.scr
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
MV TBN_VLS's DETAILS.xls.scr
Resource
win10v2004-20240226-en
General
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Target
MV TBN_VLS's DETAILS.xls.scr
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Size
701KB
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MD5
f837b18ae77cf2e191972bc723ee5ebc
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SHA1
31f548b020ff5c73957dc74fc702574322e658c8
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SHA256
28e686d3d4c2ca997fdabbfb88c07afc77920015217bd22d82f7b08334010044
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SHA512
2203198e130abcfbae21c280512705cdc94352d5a3324fa1dd372caa5ad661c262c4f358a142e43e4d6603a079de5b851e5ea5e0d97abe95114b18d19e162312
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SSDEEP
12288:PbxdKt/rFfa7FpQpWc8nNZQuGu8Qs7cyytHeVA4sas66mBHu8ecI2:zjKN5i7XQ8c8n0xdcyyQ1F72N2
Malware Config
Extracted
Protocol: ftp- Host:
beirutrest.com - Port:
21 - Username:
[email protected] - Password:
9yXQ39wz(uL+
Extracted
agenttesla
Protocol: ftp- Host:
ftp://beirutrest.com - Port:
21 - Username:
[email protected] - Password:
9yXQ39wz(uL+
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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 48 api.ipify.org 49 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4664 set thread context of 4116 4664 MV TBN_VLS's DETAILS.xls.scr 98 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4116 MV TBN_VLS's DETAILS.xls.scr 4116 MV TBN_VLS's DETAILS.xls.scr 4116 MV TBN_VLS's DETAILS.xls.scr -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4116 MV TBN_VLS's DETAILS.xls.scr -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4664 wrote to memory of 4116 4664 MV TBN_VLS's DETAILS.xls.scr 98 PID 4664 wrote to memory of 4116 4664 MV TBN_VLS's DETAILS.xls.scr 98 PID 4664 wrote to memory of 4116 4664 MV TBN_VLS's DETAILS.xls.scr 98 PID 4664 wrote to memory of 4116 4664 MV TBN_VLS's DETAILS.xls.scr 98 PID 4664 wrote to memory of 4116 4664 MV TBN_VLS's DETAILS.xls.scr 98 PID 4664 wrote to memory of 4116 4664 MV TBN_VLS's DETAILS.xls.scr 98 PID 4664 wrote to memory of 4116 4664 MV TBN_VLS's DETAILS.xls.scr 98 PID 4664 wrote to memory of 4116 4664 MV TBN_VLS's DETAILS.xls.scr 98
Processes
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C:\Users\Admin\AppData\Local\Temp\MV TBN_VLS's DETAILS.xls.scr"C:\Users\Admin\AppData\Local\Temp\MV TBN_VLS's DETAILS.xls.scr" /S1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4664 -
C:\Users\Admin\AppData\Local\Temp\MV TBN_VLS's DETAILS.xls.scr"C:\Users\Admin\AppData\Local\Temp\MV TBN_VLS's DETAILS.xls.scr"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4116
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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=4472 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:81⤵PID:392