Analysis
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max time kernel
129s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
27-03-2024 20:40
General
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Target
tmp.exe
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Size
340KB
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MD5
845971e68786f9c59ad9e4d5b7a2b1fe
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SHA1
619a41e8a05c9f1f8aa56684e6578f9efd2acf0f
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SHA256
e749697baf047ee9b5261865ffb43b8b92e77288f9d764798d00c2fd685ca573
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SHA512
c00e5cc5bc66c3ef5e078330aa26d5a6c29cd76c611418c3bf16e6f1d25693974757e97cd689c7a587d9a3c4ddecf6c90bd8be7f7015d082987cdc6e1683400b
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SSDEEP
6144:c8k80ckeOTFIdzXdVufRrLivwburclAp07IdY:c8k80ckeaId65LswburcypJ
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot7178103238:AAFpcijMmYeMlJJVnAmpmroCaHuSs5YlbxU/
Extracted
xworm
127.0.0.1:5000
51.89.241.91:5000
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Install_directory
%Public%
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install_file
Adobe Cloud.exe
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telegram
https://api.telegram.org/bot5474576959:AAEFEPb7hmHEmq_ZM_jasyYk46DECm44Sm0/sendMessage?chat_id=1412104349
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect Xworm Payload 2 IoCs
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Xworm
Xworm is a remote access trojan written in C#.
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
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Drops startup file 2 IoCs
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Executes dropped EXE 3 IoCs
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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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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Adds Run key to start application 2 TTPs 2 IoCs
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 5 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
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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\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Adobe Cloud.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Adobe Cloud.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Adobe Cloud" /tr "C:\Users\Public\Adobe Cloud.exe"3⤵
- Creates scheduled task(s)
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C:\Users\Public\Adobe Cloud.exe"C:\Users\Public\Adobe Cloud.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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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=1332 --field-trial-handle=2268,i,8796662530135712346,11409037572378858775,262144 --variations-seed-version /prefetch:81⤵
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C:\Users\Public\Adobe Cloud.exe"C:\Users\Public\Adobe Cloud.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
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Filesize
66KB
MD543a6696dfbd330e7a31b6fea5c221355
SHA10e7344b329e0d188a5bb39179822cd94a2d94296
SHA256d9275381bfa7cb754b86f2610ac3e0885d0f38a837e7173a5b45edc8912b607a
SHA512b741612a7623982c1ae727bf96c004825675e5bd3fb701638b98eca67dc27b19db6202803ad54894e573e61f036466959b7f022e3dad4c62a3ae358130ffaedc
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
320KB
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Filesize
408KB
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Filesize
64KB
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Filesize
624KB
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Filesize
7.7MB
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Filesize
584KB
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Filesize
40KB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
5.6MB
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Filesize
368KB
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Filesize
64KB
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Filesize
64KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
88KB