agenttesla | 1030d96c7949cfdac369c74f47822f858039b725f49de6f753349fabf8fa7754

General

Target

DHL Shipment Doc6532291931_pdf.exe
Size

764KB
MD5

e9e919b5847ad60ac37a39a99c4422b7
SHA1

2d6f28ad5c79f6060817f31db3add4871698a470
SHA256

1030d96c7949cfdac369c74f47822f858039b725f49de6f753349fabf8fa7754
SHA512

0178ba4f07c5f89466c848496de7b7a172607628ebb8ae363c54e6374a0fc4e6a507ac4a6aeacbe7c8e9aea042f607f2918bdbc94d6443e421be84123857b823
SSDEEP

12288:YLCLa4/wJC8tffl7ogSZ6XZTmJ/V/eeJUROmJlxH2UmGOd/aw:aCLaQvsl7c8h9eo7lF2UU

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.hegelman.com
Port:
587
Username:
[email protected]
Password:
B!c)MGg9

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1868-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1868-66-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1868-67-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1868-68-0x00000000004375EE-mapping.dmp	family_agenttesla
behavioral1/memory/1868-70-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1868-72-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

DHL Shipment Doc6532291931_pdf.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions DHL Shipment Doc6532291931_pdf.exe
Drops file in Drivers directory 1 IoCs

Processes:

DHL Shipment Doc6532291931_pdf.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts DHL Shipment Doc6532291931_pdf.exe
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

DHL Shipment Doc6532291931_pdf.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools DHL Shipment Doc6532291931_pdf.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	DHL Shipment Doc6532291931_pdf.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	DHL Shipment Doc6532291931_pdf.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	DHL Shipment Doc6532291931_pdf.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

DHL Shipment Doc6532291931_pdf.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	DHL Shipment Doc6532291931_pdf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	DHL Shipment Doc6532291931_pdf.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

DHL Shipment Doc6532291931_pdf.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	DHL Shipment Doc6532291931_pdf.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	DHL Shipment Doc6532291931_pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DHL Shipment Doc6532291931_pdf.exe

description pid process target process

PID 1492 set thread context of 1868 1492 DHL Shipment Doc6532291931_pdf.exe DHL Shipment Doc6532291931_pdf.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

DHL Shipment Doc6532291931_pdf.exepowershell.exe

pid process

1868 DHL Shipment Doc6532291931_pdf.exe
1868 DHL Shipment Doc6532291931_pdf.exe
1964 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DHL Shipment Doc6532291931_pdf.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1868 DHL Shipment Doc6532291931_pdf.exe
Token: SeDebugPrivilege 1964 powershell.exe

description	pid	process	target process
PID 1492 set thread context of 1868	1492	DHL Shipment Doc6532291931_pdf.exe	DHL Shipment Doc6532291931_pdf.exe

pid	process
1868	DHL Shipment Doc6532291931_pdf.exe
1868	DHL Shipment Doc6532291931_pdf.exe
1964	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1868	DHL Shipment Doc6532291931_pdf.exe
Token: SeDebugPrivilege	1964	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

DHL Shipment Doc6532291931_pdf.exe

description	pid	process	target process
PID 1492 wrote to memory of 1964	1492	DHL Shipment Doc6532291931_pdf.exe	powershell.exe
PID 1492 wrote to memory of 1964	1492	DHL Shipment Doc6532291931_pdf.exe	powershell.exe
PID 1492 wrote to memory of 1964	1492	DHL Shipment Doc6532291931_pdf.exe	powershell.exe
PID 1492 wrote to memory of 1964	1492	DHL Shipment Doc6532291931_pdf.exe	powershell.exe
PID 1492 wrote to memory of 1868	1492	DHL Shipment Doc6532291931_pdf.exe	DHL Shipment Doc6532291931_pdf.exe
PID 1492 wrote to memory of 1868	1492	DHL Shipment Doc6532291931_pdf.exe	DHL Shipment Doc6532291931_pdf.exe
PID 1492 wrote to memory of 1868	1492	DHL Shipment Doc6532291931_pdf.exe	DHL Shipment Doc6532291931_pdf.exe
PID 1492 wrote to memory of 1868	1492	DHL Shipment Doc6532291931_pdf.exe	DHL Shipment Doc6532291931_pdf.exe
PID 1492 wrote to memory of 1868	1492	DHL Shipment Doc6532291931_pdf.exe	DHL Shipment Doc6532291931_pdf.exe
PID 1492 wrote to memory of 1868	1492	DHL Shipment Doc6532291931_pdf.exe	DHL Shipment Doc6532291931_pdf.exe
PID 1492 wrote to memory of 1868	1492	DHL Shipment Doc6532291931_pdf.exe	DHL Shipment Doc6532291931_pdf.exe
PID 1492 wrote to memory of 1868	1492	DHL Shipment Doc6532291931_pdf.exe	DHL Shipment Doc6532291931_pdf.exe
PID 1492 wrote to memory of 1868	1492	DHL Shipment Doc6532291931_pdf.exe	DHL Shipment Doc6532291931_pdf.exe

C:\Users\Admin\AppData\Local\Temp\DHL Shipment Doc6532291931_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL Shipment Doc6532291931_pdf.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1492

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\DHL Shipment Doc6532291931_pdf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1964

C:\Users\Admin\AppData\Local\Temp\DHL Shipment Doc6532291931_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL Shipment Doc6532291931_pdf.exe"
2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1868

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1492-61-0x00000000043B0000-0x00000000043EC000-memory.dmp

Filesize
240KB

Download
memory/1492-55-0x0000000076121000-0x0000000076123000-memory.dmp

Filesize
8KB

Download
memory/1492-56-0x00000000005A0000-0x00000000005B4000-memory.dmp

Filesize
80KB

Download
memory/1492-57-0x00000000005C0000-0x00000000005CC000-memory.dmp

Filesize
48KB

Download
memory/1492-58-0x0000000005700000-0x0000000005796000-memory.dmp

Filesize
600KB

Download
memory/1492-54-0x0000000000EE0000-0x0000000000FA6000-memory.dmp

Filesize
792KB

Download
memory/1868-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1868-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1868-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1868-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1868-67-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1868-68-0x00000000004375EE-mapping.dmp

Download
memory/1868-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1868-72-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1964-59-0x0000000000000000-mapping.dmp

Download
memory/1964-73-0x000000006F3D0000-0x000000006F97B000-memory.dmp

Filesize
5.7MB

Download
memory/1964-74-0x000000006F3D0000-0x000000006F97B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads