agenttesla | 5d5f5f1c9d0cd0dfefecbc7f99eaa86c6cdd58bda830bd8c7dcbd3d2ced7891f

General

Target

Purchase_Order_08_012_022_pdf.exe
Size

974KB
MD5

aa7a51b5493088a91c6f6f20115f7bf9
SHA1

b243bbba75436ee6edb5b39c936d07c265c8ad39
SHA256

5d5f5f1c9d0cd0dfefecbc7f99eaa86c6cdd58bda830bd8c7dcbd3d2ced7891f
SHA512

8537b239f8fa76b7d3be8f53590281f4dc43e7470a8c840c266e1f46b569482c24c83a3c6df5bc74ce101deb08f0298f0fcc63e5ff0240bb4dac3057bd5859a9
SSDEEP

12288:Scr2iN8Q0asStsHMBuiO+wHXm24OWSh7qk2ed75bMLByqzNMPtgURVrDJnR6haKs:Rr19fztpBu1+wcMhuk4LBI

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.huiijingco.com
Port:
587
Username:
m@huiijingco.com
Password:
lNLUrZT2

Signatures

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

AgentTesla payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/932-144-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

Purchase_Order_08_012_022_pdf.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions Purchase_Order_08_012_022_pdf.exe
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

Purchase_Order_08_012_022_pdf.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools Purchase_Order_08_012_022_pdf.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	Purchase_Order_08_012_022_pdf.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	Purchase_Order_08_012_022_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:

Purchase_Order_08_012_022_pdf.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Purchase_Order_08_012_022_pdf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Purchase_Order_08_012_022_pdf.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Purchase_Order_08_012_022_pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	Purchase_Order_08_012_022_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:

Purchase_Order_08_012_022_pdf.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Purchase_Order_08_012_022_pdf.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	Purchase_Order_08_012_022_pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchase_Order_08_012_022_pdf.exe

description pid process target process

PID 2252 set thread context of 932 2252 Purchase_Order_08_012_022_pdf.exe Purchase_Order_08_012_022_pdf.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 2252 set thread context of 932	2252	Purchase_Order_08_012_022_pdf.exe	Purchase_Order_08_012_022_pdf.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

Purchase_Order_08_012_022_pdf.exepowershell.exePurchase_Order_08_012_022_pdf.exe

pid	process
2252	Purchase_Order_08_012_022_pdf.exe
2252	Purchase_Order_08_012_022_pdf.exe
2252	Purchase_Order_08_012_022_pdf.exe
2252	Purchase_Order_08_012_022_pdf.exe
744	powershell.exe
932	Purchase_Order_08_012_022_pdf.exe
932	Purchase_Order_08_012_022_pdf.exe
744	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exePurchase_Order_08_012_022_pdf.exePurchase_Order_08_012_022_pdf.exe

description	pid	process
Token: SeDebugPrivilege	744	powershell.exe
Token: SeDebugPrivilege	2252	Purchase_Order_08_012_022_pdf.exe
Token: SeDebugPrivilege	932	Purchase_Order_08_012_022_pdf.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Purchase_Order_08_012_022_pdf.exe

C:\Users\Admin\AppData\Local\Temp\Purchase_Order_08_012_022_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase_Order_08_012_022_pdf.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2252

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\Purchase_Order_08_012_022_pdf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:744

C:\Users\Admin\AppData\Local\Temp\Purchase_Order_08_012_022_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase_Order_08_012_022_pdf.exe"
2⤵
PID:2140

C:\Users\Admin\AppData\Local\Temp\Purchase_Order_08_012_022_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase_Order_08_012_022_pdf.exe"
2⤵
PID:916

C:\Users\Admin\AppData\Local\Temp\Purchase_Order_08_012_022_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase_Order_08_012_022_pdf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:932

Network

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

5

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

4

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/744-140-0x0000000004E40000-0x0000000005468000-memory.dmp

Filesize
6.2MB

Download
memory/744-154-0x0000000007290000-0x0000000007326000-memory.dmp

Filesize
600KB

Download
memory/744-149-0x0000000070670000-0x00000000706BC000-memory.dmp

Filesize
304KB

Download
memory/744-155-0x0000000007240000-0x000000000724E000-memory.dmp

Filesize
56KB

Download
memory/744-152-0x0000000007000000-0x000000000701A000-memory.dmp

Filesize
104KB

Download
memory/744-137-0x0000000000000000-mapping.dmp

Download
memory/744-153-0x0000000007080000-0x000000000708A000-memory.dmp

Filesize
40KB

Download
memory/744-148-0x0000000006EB0000-0x0000000006EE2000-memory.dmp

Filesize
200KB

Download
memory/744-156-0x0000000007350000-0x000000000736A000-memory.dmp

Filesize
104KB

Download
memory/744-157-0x0000000007330000-0x0000000007338000-memory.dmp

Filesize
32KB

Download
memory/744-139-0x00000000046D0000-0x0000000004706000-memory.dmp

Filesize
216KB

Download
memory/744-151-0x00000000076B0000-0x0000000007D2A000-memory.dmp

Filesize
6.5MB

Download
memory/744-150-0x00000000062C0000-0x00000000062DE000-memory.dmp

Filesize
120KB

Download
memory/744-145-0x00000000054A0000-0x00000000054C2000-memory.dmp

Filesize
136KB

Download
memory/744-146-0x0000000005540000-0x00000000055A6000-memory.dmp

Filesize
408KB

Download
memory/744-147-0x0000000005CF0000-0x0000000005D0E000-memory.dmp

Filesize
120KB

Download
memory/916-142-0x0000000000000000-mapping.dmp

Download
memory/932-144-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/932-143-0x0000000000000000-mapping.dmp

Download
memory/2140-141-0x0000000000000000-mapping.dmp

Download
memory/2252-132-0x0000000000680000-0x000000000077A000-memory.dmp

Filesize
1000KB

Download
memory/2252-138-0x00000000085E0000-0x0000000008646000-memory.dmp

Filesize
408KB

Download
memory/2252-136-0x0000000005450000-0x00000000054EC000-memory.dmp

Filesize
624KB

Download
memory/2252-135-0x0000000005110000-0x000000000511A000-memory.dmp

Filesize
40KB

Download
memory/2252-134-0x0000000005120000-0x00000000051B2000-memory.dmp

Filesize
584KB

Download
memory/2252-133-0x0000000005800000-0x0000000005DA4000-memory.dmp

Filesize
5.6MB

Download

description	pid	process	target process
PID 2252 wrote to memory of 744	2252	Purchase_Order_08_012_022_pdf.exe	powershell.exe
PID 2252 wrote to memory of 744	2252	Purchase_Order_08_012_022_pdf.exe	powershell.exe
PID 2252 wrote to memory of 744	2252	Purchase_Order_08_012_022_pdf.exe	powershell.exe
PID 2252 wrote to memory of 2140	2252	Purchase_Order_08_012_022_pdf.exe	Purchase_Order_08_012_022_pdf.exe
PID 2252 wrote to memory of 2140	2252	Purchase_Order_08_012_022_pdf.exe	Purchase_Order_08_012_022_pdf.exe
PID 2252 wrote to memory of 2140	2252	Purchase_Order_08_012_022_pdf.exe	Purchase_Order_08_012_022_pdf.exe
PID 2252 wrote to memory of 916	2252	Purchase_Order_08_012_022_pdf.exe	Purchase_Order_08_012_022_pdf.exe
PID 2252 wrote to memory of 916	2252	Purchase_Order_08_012_022_pdf.exe	Purchase_Order_08_012_022_pdf.exe
PID 2252 wrote to memory of 916	2252	Purchase_Order_08_012_022_pdf.exe	Purchase_Order_08_012_022_pdf.exe
PID 2252 wrote to memory of 932	2252	Purchase_Order_08_012_022_pdf.exe	Purchase_Order_08_012_022_pdf.exe
PID 2252 wrote to memory of 932	2252	Purchase_Order_08_012_022_pdf.exe	Purchase_Order_08_012_022_pdf.exe
PID 2252 wrote to memory of 932	2252	Purchase_Order_08_012_022_pdf.exe	Purchase_Order_08_012_022_pdf.exe
PID 2252 wrote to memory of 932	2252	Purchase_Order_08_012_022_pdf.exe	Purchase_Order_08_012_022_pdf.exe
PID 2252 wrote to memory of 932	2252	Purchase_Order_08_012_022_pdf.exe	Purchase_Order_08_012_022_pdf.exe
PID 2252 wrote to memory of 932	2252	Purchase_Order_08_012_022_pdf.exe	Purchase_Order_08_012_022_pdf.exe
PID 2252 wrote to memory of 932	2252	Purchase_Order_08_012_022_pdf.exe	Purchase_Order_08_012_022_pdf.exe
PID 2252 wrote to memory of 932	2252	Purchase_Order_08_012_022_pdf.exe	Purchase_Order_08_012_022_pdf.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads