Analysis
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max time kernel
122s -
max time network
111s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
23-02-2021 12:52
Static task
static1
Behavioral task
behavioral1
Sample
Product List.exe
Resource
win7v20201028
General
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Target
Product List.exe
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Size
564KB
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MD5
df1a8e7ffa630db4a9fa38abaec4c0d2
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SHA1
19077607d6f6951499783faec6f1722cb9b2c077
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SHA256
8174806d6bbe5f5c713a2a860c36b22d3efe8c7effeb0284bb23de5a9fe68d26
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SHA512
7e7c2e8d94afae614291a9add08ee21ec1d0045ed30f0912a1572aa0d4090a214de0ac669cdb0f87a7bba35e9ca82fd5aaabe88871c1f5567ba2c3fb26262973
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
at.engineering - Port:
587 - Username:
kristle@at.engineering - Password:
ATE@2019
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3524-16-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3524-17-0x00000000004375EE-mapping.dmp family_agenttesla -
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.
Processes:
Product List.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Product List.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Product List.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
Product List.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum Product List.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0 Product List.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Product List.exedescription pid process target process PID 1628 set thread context of 3524 1628 Product List.exe Product List.exe -
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 3 IoCs
Processes:
Product List.exeProduct List.exepid process 1628 Product List.exe 3524 Product List.exe 3524 Product List.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Product List.exeProduct List.exedescription pid process Token: SeDebugPrivilege 1628 Product List.exe Token: SeDebugPrivilege 3524 Product List.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
Product List.exedescription pid process target process PID 1628 wrote to memory of 2540 1628 Product List.exe schtasks.exe PID 1628 wrote to memory of 2540 1628 Product List.exe schtasks.exe PID 1628 wrote to memory of 2540 1628 Product List.exe schtasks.exe PID 1628 wrote to memory of 3524 1628 Product List.exe Product List.exe PID 1628 wrote to memory of 3524 1628 Product List.exe Product List.exe PID 1628 wrote to memory of 3524 1628 Product List.exe Product List.exe PID 1628 wrote to memory of 3524 1628 Product List.exe Product List.exe PID 1628 wrote to memory of 3524 1628 Product List.exe Product List.exe PID 1628 wrote to memory of 3524 1628 Product List.exe Product List.exe PID 1628 wrote to memory of 3524 1628 Product List.exe Product List.exe PID 1628 wrote to memory of 3524 1628 Product List.exe Product List.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Product List.exe"C:\Users\Admin\AppData\Local\Temp\Product List.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\oObXLwwKgq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1E13.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Product List.exe"C:\Users\Admin\AppData\Local\Temp\Product List.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Product List.exe.logMD5
5ce36f0c4d9568839c224ffaa10d5441
SHA169c0cdded0b415091641c3fbf64b7fbd7e285e47
SHA256c93c5a9fdaa44aeb7f25c89abed40a1ca6432bf3ea840e2820388bef68cd116a
SHA512a6ef350d4f36f35b42ce0b8a4df83f17fb0a4f66dcfa32617b22e642168291bede3b612969e0eec293d7ca1ba0aef7a05c31823bd41821e0880b609f280b0b83
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C:\Users\Admin\AppData\Local\Temp\tmp1E13.tmpMD5
b6cc8304cce487b99c9bd95886f9a6d3
SHA16edce2f5f9e27d002ade410d02916abd78234f41
SHA2564ddd66f7648206b177c5d34156d9e1590a2a77088607756061fa02f2d2d5a716
SHA512c8250aa6bc61caf4536f90482d2f8ca57f51469704187ff58ab5f61fdcce8eab19ea4594f2ebd701979dadbefd86fc8a7c21ae130049a4e288c031efaac2a9a4
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memory/1628-7-0x00000000059A0000-0x00000000059A1000-memory.dmpFilesize
4KB
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memory/1628-3-0x0000000000F50000-0x0000000000F51000-memory.dmpFilesize
4KB
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memory/1628-2-0x0000000073840000-0x0000000073F2E000-memory.dmpFilesize
6.9MB
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memory/1628-8-0x0000000005B90000-0x0000000005B91000-memory.dmpFilesize
4KB
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memory/1628-9-0x00000000058B0000-0x00000000058B1000-memory.dmpFilesize
4KB
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memory/1628-10-0x0000000005A40000-0x0000000005A41000-memory.dmpFilesize
4KB
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memory/1628-11-0x0000000005B00000-0x0000000005B03000-memory.dmpFilesize
12KB
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memory/1628-12-0x00000000017C0000-0x000000000181E000-memory.dmpFilesize
376KB
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memory/1628-13-0x0000000007700000-0x0000000007701000-memory.dmpFilesize
4KB
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memory/1628-6-0x0000000005E00000-0x0000000005E01000-memory.dmpFilesize
4KB
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memory/1628-5-0x00000000057C0000-0x00000000057C1000-memory.dmpFilesize
4KB
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memory/2540-14-0x0000000000000000-mapping.dmp
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memory/3524-16-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3524-17-0x00000000004375EE-mapping.dmp
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memory/3524-19-0x0000000073840000-0x0000000073F2E000-memory.dmpFilesize
6.9MB
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memory/3524-24-0x00000000057B0000-0x00000000057B1000-memory.dmpFilesize
4KB
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memory/3524-25-0x0000000005B10000-0x0000000005B11000-memory.dmpFilesize
4KB