Analysis
- max time kernel
121s - max time network
129s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
31/01/2022, 04:30
General
- Target DHL Delivery Invoice.pdf.exe
- Size 824KB
- Sample220131-e4t9rsehgq
- SHA256 810c07ceeef94fff269ad3c0891d5c329f39733b7cf49b1dc23e725182999593
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
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Username
-
Password
marcellinus360
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL Delivery Invoice.pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL Delivery Invoice.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zyJxEkzLAniHR.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zyJxEkzLAniHR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC792.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1436-138-0x0000000008660000-0x00000000086D6000-memory.dmp
memory/1436-127-0x0000000007520000-0x0000000007B48000-memory.dmp
memory/1436-355-0x0000000009960000-0x0000000009968000-memory.dmp
memory/1436-350-0x0000000009980000-0x000000000999A000-memory.dmp
memory/1436-219-0x0000000004A70000-0x0000000004A80000-memory.dmp
memory/1436-156-0x0000000009A20000-0x0000000009AB4000-memory.dmp
memory/1436-155-0x0000000009800000-0x00000000098A5000-memory.dmp
memory/1436-154-0x000000007EF60000-0x000000007EF61000-memory.dmp
memory/1436-126-0x0000000004B40000-0x0000000004B76000-memory.dmp
memory/1436-137-0x0000000007BC0000-0x0000000007C0B000-memory.dmp
memory/1436-128-0x0000000007440000-0x0000000007462000-memory.dmp
memory/1436-129-0x0000000007C30000-0x0000000007C96000-memory.dmp
memory/1436-130-0x0000000004A70000-0x0000000004A80000-memory.dmp
memory/1436-132-0x0000000004A70000-0x0000000004A80000-memory.dmp
memory/1436-149-0x0000000009690000-0x00000000096AE000-memory.dmp
memory/1436-131-0x0000000007B50000-0x0000000007BB6000-memory.dmp
memory/1436-148-0x00000000096D0000-0x0000000009703000-memory.dmp
memory/1436-133-0x0000000007EA0000-0x00000000081F0000-memory.dmp
memory/1436-136-0x0000000007500000-0x000000000751C000-memory.dmp
memory/2692-115-0x00000000005F0000-0x00000000006C4000-memory.dmp
memory/2692-117-0x0000000007450000-0x00000000074E2000-memory.dmp
memory/2692-116-0x00000000078B0000-0x0000000007DAE000-memory.dmp
memory/2692-122-0x0000000009CE0000-0x0000000009D76000-memory.dmp
memory/2692-121-0x0000000009AA0000-0x0000000009B3C000-memory.dmp
memory/2692-120-0x0000000007890000-0x00000000078A4000-memory.dmp
memory/2692-119-0x00000000073B0000-0x00000000078AE000-memory.dmp
memory/2692-118-0x00000000073E0000-0x00000000073EA000-memory.dmp
memory/4004-135-0x0000000005320000-0x000000000581E000-memory.dmp
memory/4004-143-0x0000000005790000-0x00000000057A8000-memory.dmp
memory/4004-134-0x0000000000400000-0x000000000043C000-memory.dmp