Analysis
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max time kernel
151s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
01-07-2024 09:59
General
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Target
DHL AWB - INVOICE & SHIPPING DOCUMENTS.bat.exe
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Size
498KB
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MD5
6a8d426b602c62ff313a431b6f026b6b
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SHA1
e7955a9399f8d836ed29c99463ba8e4fbae34364
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SHA256
1baf9b4c1a0152616a56d2212c88af4f5e791257f54ee3252ba0cefa4f587a07
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SHA512
b0c5d006955050825e2846b76291eaadec36f3df4c13312d95cdf3cc3fea64c952823d9bc386096e69f3eae71afcd79250f5d9f272838c9afc76c6a502cde123
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SSDEEP
12288:c19+dlfwYKZWegMLzt56trFwX78iVDtWDlLHciPe:PdloYK7gMLztstrS8ctWD67
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.epressong.com - Port:
587 - Username:
[email protected] - Password:
nFMLKCvO3 - 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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Loads dropped DLL 4 IoCs
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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.
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Drops file in Program Files directory 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL AWB - INVOICE & SHIPPING DOCUMENTS.bat.exe"C:\Users\Admin\AppData\Local\Temp\DHL AWB - INVOICE & SHIPPING DOCUMENTS.bat.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DHL AWB - INVOICE & SHIPPING DOCUMENTS.bat.exe"C:\Users\Admin\AppData\Local\Temp\DHL AWB - INVOICE & SHIPPING DOCUMENTS.bat.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- 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=1028 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\nsh7C60.tmp\BgImage.dllFilesize
7KB
MD52d5f40ddc34e9dc8f43b5bf1f61301e3
SHA15ed3cd47affc4d55750e738581fce2b40158c825
SHA256785944e57e8e4971f46f84a07d82dee2ab4e14a68543d83bfe7be7d5cda83143
SHA512605cebcc480cb71ba8241782d89e030a5c01e1359accbde174cb6bdaf249167347ecb06e3781cb9b1cc4b465cef95f1663f0d9766ed84ebade87aa3970765b3e
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C:\Users\Admin\AppData\Local\Temp\nsh7C60.tmp\System.dllFilesize
12KB
MD512b140583e3273ee1f65016becea58c4
SHA192df24d11797fefd2e1f8d29be9dfd67c56c1ada
SHA256014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042
SHA51249ffdfa1941361430b6acb3555fd3aa05e4120f28cbdf7ceaa2af5937d0b8cccd84471cf63f06f97cf203b4aa20f226bdad082e9421b8e6b62ab6e1e9fc1e68a
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C:\Users\Admin\AppData\Local\Temp\nsh7C60.tmp\UserInfo.dllFilesize
4KB
MD590228dd140188ec0ca02f7f52e4c9a30
SHA16880d9aeec4c97c4b7718044c9c59b92379feaca
SHA25654bcf3d018734b884bd33a74a05eea0ac3c83501acbdb71ea8ec56ec9402a263
SHA5121a38b1ebb9e2440dd240c8cd2406261e21b544ed392f808d36f78590075f854d89e624589bfddabcace96b33a7f3084c7686351bd66ae07ec035bbef94ef8da2
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C:\Users\Admin\AppData\Local\Temp\nsh7C60.tmp\nsExec.dllFilesize
6KB
MD54a2f4fe4a3ad1de56ee6bf7dd4923963
SHA17cc68b94448c964fd99904e5784b059aed4d5daa
SHA25689b1e6509a1b45b32933e9d785a9c8c5b9ce7c616e1112dcf7fc3fa5ca27ebde
SHA5124b6bbe75beafae9a29932ff5ddd3940aadfae62c157836e6cdab755955782dd5354d5eb389b4b8c16bf59f4ce7a099a0161d915c1cf2968f28e195dc8e3997ea
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memory/4168-50-0x0000000036A70000-0x0000000036AD6000-memory.dmpFilesize
408KB
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memory/4168-48-0x0000000038DF0000-0x0000000039394000-memory.dmpFilesize
5.6MB
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memory/4168-41-0x00000000775F8000-0x00000000775F9000-memory.dmpFilesize
4KB
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memory/4168-42-0x0000000000480000-0x00000000016D4000-memory.dmpFilesize
18.3MB
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memory/4168-43-0x0000000077615000-0x0000000077616000-memory.dmpFilesize
4KB
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memory/4168-45-0x0000000077571000-0x0000000077691000-memory.dmpFilesize
1.1MB
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memory/4168-44-0x0000000000480000-0x00000000016D4000-memory.dmpFilesize
18.3MB
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memory/4168-46-0x0000000071C9E000-0x0000000071C9F000-memory.dmpFilesize
4KB
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memory/4168-47-0x0000000000480000-0x00000000004C0000-memory.dmpFilesize
256KB
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memory/4168-58-0x0000000071C90000-0x0000000072440000-memory.dmpFilesize
7.7MB
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memory/4168-49-0x0000000071C90000-0x0000000072440000-memory.dmpFilesize
7.7MB
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memory/4168-56-0x0000000071C9E000-0x0000000071C9F000-memory.dmpFilesize
4KB
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memory/4168-52-0x0000000039CE0000-0x0000000039D30000-memory.dmpFilesize
320KB
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memory/4168-53-0x0000000039D40000-0x0000000039DD2000-memory.dmpFilesize
584KB
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memory/4168-54-0x0000000039E30000-0x0000000039E3A000-memory.dmpFilesize
40KB
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memory/4284-39-0x0000000077571000-0x0000000077691000-memory.dmpFilesize
1.1MB
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memory/4284-40-0x00000000743D5000-0x00000000743D6000-memory.dmpFilesize
4KB