Analysis
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max time kernel
125s -
max time network
115s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
27-07-2021 19:00
General
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Target
PO#00091INV0091520 Order Xls.exe
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Size
1012KB
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MD5
048e0d3fbf217e603792772855a896a7
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SHA1
2fa623d84b3659d3b4d56128a56e8edda3bfc6e6
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SHA256
c8dcbb164b27470300742804ee02be7412dcf39ccf1d976baa8a0a3c160103db
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SHA512
de1087a484dd7aa20e8c0e9e7b713d7ad290c551db8dc79fc6d795abd68fa4d82265fde884e63d81f424dab17d39a6c1de7d63434dd199e4e66c75b1e63fd0fa
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.mmdqatar.com/ - Port:
21 - Username:
mmdq@mmdqatar.com - Password:
Mm.101010
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
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Looks for VirtualBox Guest Additions in registry 2 TTPs
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Looks for VMWare Tools registry key 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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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 1 IoCs
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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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: EnumeratesProcesses 5 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\PO#00091INV0091520 Order Xls.exe"C:\Users\Admin\AppData\Local\Temp\PO#00091INV0091520 Order Xls.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gCKmzsPZFjonz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAC82.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\PO#00091INV0091520 Order Xls.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\PO#00091INV0091520 Order Xls.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO#00091INV0091520 Order Xls.exe.logMD5
12557ab909651a6f99d3503d614d3562
SHA1b86745768059a514bea3a438e1e96086af463246
SHA2569589c869703e95d40d5870c60f66d8460f7914e9fe8dd579533c84148112babd
SHA51210cdb2fa7cf054af937b4aeddfe16fe755d6b09db5a51f7052adbf472b4b435e16c141f3712762f3b67f990c3efcfa47659576988e321214c747d6cd98e75521
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C:\Users\Admin\AppData\Local\Temp\tmpAC82.tmpMD5
1bf4e51529e52093fd55f3d75c1952e0
SHA16d13b5567b0c1949721771b0563c9cc7e018efd4
SHA256e947034639fd5b4455601c8940bb907680169fc170f8e28331953762a3524099
SHA51252cdd6cd7eec13f3d0ef736557dfc4c552a247e2eb8a43ecc67b9308ca5915c0c6daa9f8e58efbabd3b93b11e86ca13bffd729930a6680defafdbeef9280cf28
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memory/2144-139-0x0000000005030000-0x000000000552E000-memory.dmpFilesize
5.0MB
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memory/2144-135-0x0000000005480000-0x0000000005481000-memory.dmpFilesize
4KB
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memory/2144-134-0x0000000005030000-0x000000000552E000-memory.dmpFilesize
5.0MB
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memory/2144-128-0x00000000004374FE-mapping.dmp
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memory/2144-127-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3132-125-0x0000000000000000-mapping.dmp
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memory/4092-119-0x0000000007600000-0x0000000007601000-memory.dmpFilesize
4KB
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memory/4092-124-0x0000000006820000-0x0000000006821000-memory.dmpFilesize
4KB
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memory/4092-123-0x00000000062C0000-0x000000000631E000-memory.dmpFilesize
376KB
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memory/4092-122-0x0000000009A40000-0x0000000009ADF000-memory.dmpFilesize
636KB
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memory/4092-121-0x00000000079D0000-0x00000000079D2000-memory.dmpFilesize
8KB
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memory/4092-120-0x00000000094B0000-0x00000000094B1000-memory.dmpFilesize
4KB
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memory/4092-114-0x0000000000690000-0x0000000000691000-memory.dmpFilesize
4KB
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memory/4092-118-0x0000000007510000-0x0000000007A0E000-memory.dmpFilesize
5.0MB
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memory/4092-117-0x0000000007510000-0x0000000007511000-memory.dmpFilesize
4KB
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memory/4092-116-0x0000000007A10000-0x0000000007A11000-memory.dmpFilesize
4KB