Analysis
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max time kernel
140s -
max time network
17s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
27-01-2021 14:30
Static task
static1
Behavioral task
behavioral1
Sample
New Order.exe
Resource
win7v20201028
General
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Target
New Order.exe
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Size
813KB
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MD5
3462afcbdb0969b7f24b42f0e42c7988
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SHA1
6429f37abdf26c93793eccdd8dc0ecaffb149655
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SHA256
112f430a8cc28d3889163bbaf9811c74c3d2af2c9af672d16f0f7888df6d51e2
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SHA512
4656f47988a96f6abb0e27d2c6a8bdfa69b41bc75a67b2c7d99ef45a4755e81450da02434ca2f7cc7a5441b99810dc90e372c74214ff723a3400b2aef3595029
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.pulpdant.com - Port:
587 - Username:
[email protected] - Password:
pato1anita
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/824-10-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/824-11-0x00000000004375FE-mapping.dmp family_agenttesla behavioral1/memory/824-13-0x0000000000400000-0x000000000043C000-memory.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:
New Order.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion New Order.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion New Order.exe -
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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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
New Order.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum New Order.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 New Order.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
New Order.exedescription pid process target process PID 548 set thread context of 824 548 New Order.exe New Order.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:
New Order.exeNew Order.exepid process 548 New Order.exe 824 New Order.exe 824 New Order.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
New Order.exeNew Order.exedescription pid process Token: SeDebugPrivilege 548 New Order.exe Token: SeDebugPrivilege 824 New Order.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
New Order.exedescription pid process target process PID 548 wrote to memory of 1112 548 New Order.exe schtasks.exe PID 548 wrote to memory of 1112 548 New Order.exe schtasks.exe PID 548 wrote to memory of 1112 548 New Order.exe schtasks.exe PID 548 wrote to memory of 1112 548 New Order.exe schtasks.exe PID 548 wrote to memory of 824 548 New Order.exe New Order.exe PID 548 wrote to memory of 824 548 New Order.exe New Order.exe PID 548 wrote to memory of 824 548 New Order.exe New Order.exe PID 548 wrote to memory of 824 548 New Order.exe New Order.exe PID 548 wrote to memory of 824 548 New Order.exe New Order.exe PID 548 wrote to memory of 824 548 New Order.exe New Order.exe PID 548 wrote to memory of 824 548 New Order.exe New Order.exe PID 548 wrote to memory of 824 548 New Order.exe New Order.exe PID 548 wrote to memory of 824 548 New Order.exe New Order.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\New Order.exe"C:\Users\Admin\AppData\Local\Temp\New Order.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\veTETlsQyxlWT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDDF0.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\New Order.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpDDF0.tmpMD5
cb725695d12c907eb82ccf466d0b87ee
SHA1d94d1807d0909db740f2a6f369cfc6b373b68b33
SHA2560a414163f8f75d988cbe03a78232ee4fca9a64fe71412ec4957ce4852d5416e4
SHA512999b8468fc8fc50677065d188b72b8e1bb4515900aca7a443d33b9312fbba9921269e991f73ef183bf32f032f410eaae8e82cb72fff9091e102594c4e9816aed
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memory/548-6-0x00000000002B0000-0x00000000002B4000-memory.dmpFilesize
16KB
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memory/548-5-0x0000000000F40000-0x0000000000F41000-memory.dmpFilesize
4KB
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memory/548-2-0x0000000074B50000-0x000000007523E000-memory.dmpFilesize
6.9MB
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memory/548-7-0x0000000000B60000-0x0000000000BB8000-memory.dmpFilesize
352KB
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memory/548-3-0x0000000001180000-0x0000000001181000-memory.dmpFilesize
4KB
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memory/824-10-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/824-11-0x00000000004375FE-mapping.dmp
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memory/824-12-0x0000000074B50000-0x000000007523E000-memory.dmpFilesize
6.9MB
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memory/824-13-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/824-15-0x0000000001010000-0x0000000001011000-memory.dmpFilesize
4KB
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memory/824-16-0x0000000001011000-0x0000000001012000-memory.dmpFilesize
4KB
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memory/1112-8-0x0000000000000000-mapping.dmp