agenttesla | 59bd358f4cbcb6f1d330b76bedf1efe73d058db43263d9a84e8c90438aed46fa

General

Target

DHL Documents.pdf.exe
Size

1.2MB
MD5

6e724413959f7e17db4cb9d1da867469
SHA1

88c09ac45b6445b75165f8563651b2373114fa9b
SHA256

d13a456081643fd44d4c8ab57b32d2f74261ef858b576b58b17613e95b9fd471
SHA512

9bb04e96831280e112b91b224ce0644be5a0068d4359d0c3223fa091fd1d24296762db9d7b30180aadff8c48c85e804a5b36693a30f23458c0bb7818db566311

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.zuarakltd.com
Port:
587
Username:
swift@zuarakltd.com
Password:
max@#1235

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1688-71-0x00000000004374EE-mapping.dmp	family_agenttesla
behavioral1/memory/1688-70-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1688-72-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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 Documents.pdf.exe

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

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

DHL Documents.pdf.exe

description pid process target process

PID 1840 set thread context of 1688 1840 DHL Documents.pdf.exe DHL Documents.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 6 IoCs

Processes:

DHL Documents.pdf.exeDHL Documents.pdf.exepowershell.exe

pid process

1840 DHL Documents.pdf.exe
1840 DHL Documents.pdf.exe
1688 DHL Documents.pdf.exe
1688 DHL Documents.pdf.exe
1696 powershell.exe
1696 powershell.exe

description	pid	process	target process
PID 1840 set thread context of 1688	1840	DHL Documents.pdf.exe	DHL Documents.pdf.exe

pid	process
1840	DHL Documents.pdf.exe
1840	DHL Documents.pdf.exe
1688	DHL Documents.pdf.exe
1688	DHL Documents.pdf.exe
1696	powershell.exe
1696	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

DHL Documents.pdf.exepowershell.exeDHL Documents.pdf.exe

description	pid	process
Token: SeDebugPrivilege	1840	DHL Documents.pdf.exe
Token: SeDebugPrivilege	1696	powershell.exe
Token: SeDebugPrivilege	1688	DHL Documents.pdf.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

DHL Documents.pdf.exe

description	pid	process	target process
PID 1840 wrote to memory of 1696	1840	DHL Documents.pdf.exe	powershell.exe
PID 1840 wrote to memory of 1696	1840	DHL Documents.pdf.exe	powershell.exe
PID 1840 wrote to memory of 1696	1840	DHL Documents.pdf.exe	powershell.exe
PID 1840 wrote to memory of 1696	1840	DHL Documents.pdf.exe	powershell.exe
PID 1840 wrote to memory of 1688	1840	DHL Documents.pdf.exe	DHL Documents.pdf.exe
PID 1840 wrote to memory of 1688	1840	DHL Documents.pdf.exe	DHL Documents.pdf.exe
PID 1840 wrote to memory of 1688	1840	DHL Documents.pdf.exe	DHL Documents.pdf.exe
PID 1840 wrote to memory of 1688	1840	DHL Documents.pdf.exe	DHL Documents.pdf.exe
PID 1840 wrote to memory of 1688	1840	DHL Documents.pdf.exe	DHL Documents.pdf.exe
PID 1840 wrote to memory of 1688	1840	DHL Documents.pdf.exe	DHL Documents.pdf.exe
PID 1840 wrote to memory of 1688	1840	DHL Documents.pdf.exe	DHL Documents.pdf.exe
PID 1840 wrote to memory of 1688	1840	DHL Documents.pdf.exe	DHL Documents.pdf.exe
PID 1840 wrote to memory of 1688	1840	DHL Documents.pdf.exe	DHL Documents.pdf.exe

C:\Users\Admin\AppData\Local\Temp\DHL Documents.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL Documents.pdf.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
PID:1840

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 Documents.pdf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1696

C:\Users\Admin\AppData\Local\Temp\DHL Documents.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL Documents.pdf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1688

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

Replay Monitor

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Downloads

memory/1688-71-0x00000000004374EE-mapping.dmp

Download
memory/1688-75-0x00000000049F0000-0x00000000049F1000-memory.dmp

Filesize
4KB

Download
memory/1688-72-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1688-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1696-66-0x00000000757C1000-0x00000000757C3000-memory.dmp

Filesize
8KB

Download
memory/1696-93-0x0000000006240000-0x0000000006241000-memory.dmp

Filesize
4KB

Download
memory/1696-110-0x00000000062D0000-0x00000000062D1000-memory.dmp

Filesize
4KB

Download
memory/1696-67-0x0000000004A50000-0x0000000004A51000-memory.dmp

Filesize
4KB

Download
memory/1696-68-0x0000000000990000-0x0000000000991000-memory.dmp

Filesize
4KB

Download
memory/1696-69-0x0000000004A90000-0x0000000004A91000-memory.dmp

Filesize
4KB

Download
memory/1696-109-0x00000000062C0000-0x00000000062C1000-memory.dmp

Filesize
4KB

Download
memory/1696-95-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/1696-94-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/1696-74-0x0000000004A52000-0x0000000004A53000-memory.dmp

Filesize
4KB

Download
memory/1696-65-0x0000000000000000-mapping.dmp

Download
memory/1696-76-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

Filesize
4KB

Download
memory/1696-77-0x0000000004960000-0x0000000004961000-memory.dmp

Filesize
4KB

Download
memory/1696-80-0x0000000005650000-0x0000000005651000-memory.dmp

Filesize
4KB

Download
memory/1696-85-0x00000000056B0000-0x00000000056B1000-memory.dmp

Filesize
4KB

Download
memory/1696-86-0x0000000006150000-0x0000000006151000-memory.dmp

Filesize
4KB

Download
memory/1840-61-0x0000000000B10000-0x0000000000B11000-memory.dmp

Filesize
4KB

Download
memory/1840-62-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/1840-63-0x0000000000A90000-0x0000000000B04000-memory.dmp

Filesize
464KB

Download
memory/1840-64-0x0000000000610000-0x000000000064C000-memory.dmp

Filesize
240KB

Download
memory/1840-59-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads