Analysis
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max time kernel
149s -
max time network
22s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
23-08-2021 17:00
Static task
static1
Behavioral task
behavioral1
Sample
Orden de cotización.xlsx______________________________.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
Orden de cotización.xlsx______________________________.exe
Resource
win10v20210410
General
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Target
Orden de cotización.xlsx______________________________.exe
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Size
852KB
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MD5
ef91a695fc5aef7d5c6630fd4e6b5a4f
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SHA1
36e11a1a53a68ac4eb081240062954854897ffbf
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SHA256
16a5798db6638e9ff43f3cddeeec26ee68c9294637d2c32ef8440f967dcff243
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SHA512
d5483e883e94b313af7f92cb8751f0df7c30061dc1971be6706eb2ec64314dd0318c6cd346bea0c236085932e3ae62b1d0eb1eb16a4d4ba4bc85cff76a1e0d33
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
serv-10708.handsonwebhosting.com - Port:
587 - Username:
emma@multillantaszl.com - Password:
icui4cu2@@
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/856-67-0x000000000043770E-mapping.dmp family_agenttesla behavioral1/memory/856-66-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/856-68-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
Orden de cotización.xlsx______________________________.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts Orden de cotización.xlsx______________________________.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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Suspicious use of SetThreadContext 1 IoCs
Processes:
Orden de cotización.xlsx______________________________.exedescription pid process target process PID 784 set thread context of 856 784 Orden de cotización.xlsx______________________________.exe Orden de cotización.xlsx______________________________.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Orden de cotización.xlsx______________________________.exepid process 856 Orden de cotización.xlsx______________________________.exe 856 Orden de cotización.xlsx______________________________.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Orden de cotización.xlsx______________________________.exedescription pid process Token: SeDebugPrivilege 856 Orden de cotización.xlsx______________________________.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Orden de cotización.xlsx______________________________.exedescription pid process target process PID 784 wrote to memory of 856 784 Orden de cotización.xlsx______________________________.exe Orden de cotización.xlsx______________________________.exe PID 784 wrote to memory of 856 784 Orden de cotización.xlsx______________________________.exe Orden de cotización.xlsx______________________________.exe PID 784 wrote to memory of 856 784 Orden de cotización.xlsx______________________________.exe Orden de cotización.xlsx______________________________.exe PID 784 wrote to memory of 856 784 Orden de cotización.xlsx______________________________.exe Orden de cotización.xlsx______________________________.exe PID 784 wrote to memory of 856 784 Orden de cotización.xlsx______________________________.exe Orden de cotización.xlsx______________________________.exe PID 784 wrote to memory of 856 784 Orden de cotización.xlsx______________________________.exe Orden de cotización.xlsx______________________________.exe PID 784 wrote to memory of 856 784 Orden de cotización.xlsx______________________________.exe Orden de cotización.xlsx______________________________.exe PID 784 wrote to memory of 856 784 Orden de cotización.xlsx______________________________.exe Orden de cotización.xlsx______________________________.exe PID 784 wrote to memory of 856 784 Orden de cotización.xlsx______________________________.exe Orden de cotización.xlsx______________________________.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Orden de cotización.xlsx______________________________.exe"C:\Users\Admin\AppData\Local\Temp\Orden de cotización.xlsx______________________________.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Orden de cotización.xlsx______________________________.exe"C:\Users\Admin\AppData\Local\Temp\Orden de cotización.xlsx______________________________.exe"2⤵
- Drops file in Drivers directory
- 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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memory/784-60-0x0000000001360000-0x0000000001361000-memory.dmpFilesize
4KB
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memory/784-62-0x00000000012D0000-0x00000000012D1000-memory.dmpFilesize
4KB
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memory/784-63-0x0000000000310000-0x0000000000321000-memory.dmpFilesize
68KB
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memory/784-64-0x0000000007DF0000-0x0000000007E93000-memory.dmpFilesize
652KB
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memory/784-65-0x0000000000B10000-0x0000000000B51000-memory.dmpFilesize
260KB
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memory/856-67-0x000000000043770E-mapping.dmp
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memory/856-66-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/856-68-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/856-70-0x0000000004AC0000-0x0000000004AC1000-memory.dmpFilesize
4KB
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memory/856-71-0x0000000004AC1000-0x0000000004AC2000-memory.dmpFilesize
4KB