agenttesla | fcf486671fcfd181aeeb5d964a0e5fce563be5b9a15168e8ee8ff11e2d6192fc

General

Target

BL-SHIPPING INVOICE DOCS.exe
Size

448KB
MD5

1443ecb318ff158823692945f04e0a14
SHA1

fba634c395ca7bf82496d04e5b45822611db65e5
SHA256

fa9744a9f8530dfe050f21fd9b85a9cabfcfefd30b5290355e3ea6b6c8136b6f
SHA512

ccc22d778f9369b3d38e9658216a1600602f951f7c437aaa6c1292f0bae7eb94dedbc3456cc0ce832a1f9f9ac2e11a58f8c459eb4a215d0b829ad6ae1da06aa5

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.bsia.co.in
Port:
587
Username:
[email protected]
Password:
21mbsia@)@!Y

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
behavioral2/memory/1164-132-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1164-133-0x00000000004374CE-mapping.dmp	family_agenttesla
behavioral2/memory/1164-138-0x0000000004E00000-0x00000000052FE000-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:

BL-SHIPPING INVOICE DOCS.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	BL-SHIPPING INVOICE DOCS.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	BL-SHIPPING INVOICE DOCS.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:

BL-SHIPPING INVOICE DOCS.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	BL-SHIPPING INVOICE DOCS.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0	BL-SHIPPING INVOICE DOCS.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

BL-SHIPPING INVOICE DOCS.exe

description pid process target process

PID 1624 set thread context of 1164 1624 BL-SHIPPING INVOICE DOCS.exe BL-SHIPPING INVOICE DOCS.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 5 IoCs

Processes:

BL-SHIPPING INVOICE DOCS.exepowershell.exe

pid process

1164 BL-SHIPPING INVOICE DOCS.exe
1164 BL-SHIPPING INVOICE DOCS.exe
3884 powershell.exe
3884 powershell.exe
3884 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

BL-SHIPPING INVOICE DOCS.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1164 BL-SHIPPING INVOICE DOCS.exe
Token: SeDebugPrivilege 3884 powershell.exe

description	pid	process	target process
PID 1624 set thread context of 1164	1624	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe

pid	process
1164	BL-SHIPPING INVOICE DOCS.exe
1164	BL-SHIPPING INVOICE DOCS.exe
3884	powershell.exe
3884	powershell.exe
3884	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1164	BL-SHIPPING INVOICE DOCS.exe
Token: SeDebugPrivilege	3884	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

BL-SHIPPING INVOICE DOCS.exe

description	pid	process	target process
PID 1624 wrote to memory of 3884	1624	BL-SHIPPING INVOICE DOCS.exe	powershell.exe
PID 1624 wrote to memory of 3884	1624	BL-SHIPPING INVOICE DOCS.exe	powershell.exe
PID 1624 wrote to memory of 3884	1624	BL-SHIPPING INVOICE DOCS.exe	powershell.exe
PID 1624 wrote to memory of 1164	1624	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 1624 wrote to memory of 1164	1624	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 1624 wrote to memory of 1164	1624	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 1624 wrote to memory of 1164	1624	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 1624 wrote to memory of 1164	1624	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 1624 wrote to memory of 1164	1624	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 1624 wrote to memory of 1164	1624	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe
PID 1624 wrote to memory of 1164	1624	BL-SHIPPING INVOICE DOCS.exe	BL-SHIPPING INVOICE DOCS.exe

C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING INVOICE DOCS.exe
"C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING INVOICE DOCS.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1624

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\BL-SHIPPING INVOICE DOCS.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3884

C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING INVOICE DOCS.exe
"C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING INVOICE DOCS.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1164

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

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/1164-145-0x0000000004F60000-0x0000000004F61000-memory.dmp

Filesize
4KB

Download
memory/1164-133-0x00000000004374CE-mapping.dmp

Download
memory/1164-138-0x0000000004E00000-0x00000000052FE000-memory.dmp

Filesize
5.0MB

Download
memory/1164-132-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1624-123-0x0000000007710000-0x0000000007768000-memory.dmp

Filesize
352KB

Download
memory/1624-118-0x0000000004EF0000-0x0000000004EF1000-memory.dmp

Filesize
4KB

Download
memory/1624-115-0x0000000000510000-0x0000000000511000-memory.dmp

Filesize
4KB

Download
memory/1624-120-0x0000000007410000-0x0000000007411000-memory.dmp

Filesize
4KB

Download
memory/1624-121-0x00000000054C0000-0x00000000054C8000-memory.dmp

Filesize
32KB

Download
memory/1624-125-0x00000000079C0000-0x00000000079C1000-memory.dmp

Filesize
4KB

Download
memory/1624-122-0x0000000004E50000-0x0000000004EE2000-memory.dmp

Filesize
584KB

Download
memory/1624-117-0x0000000005510000-0x0000000005511000-memory.dmp

Filesize
4KB

Download
memory/1624-119-0x0000000004FA0000-0x0000000004FA1000-memory.dmp

Filesize
4KB

Download
memory/3884-124-0x0000000000000000-mapping.dmp

Download
memory/3884-143-0x00000000081A0000-0x00000000081A1000-memory.dmp

Filesize
4KB

Download
memory/3884-140-0x00000000081C0000-0x00000000081C1000-memory.dmp

Filesize
4KB

Download
memory/3884-128-0x0000000004FC0000-0x0000000004FC1000-memory.dmp

Filesize
4KB

Download
memory/3884-126-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

Filesize
4KB

Download
memory/3884-127-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

Filesize
4KB

Download
memory/3884-139-0x00000000079D0000-0x00000000079D1000-memory.dmp

Filesize
4KB

Download
memory/3884-131-0x00000000074A2000-0x00000000074A3000-memory.dmp

Filesize
4KB

Download
memory/3884-142-0x0000000008480000-0x0000000008481000-memory.dmp

Filesize
4KB

Download
memory/3884-130-0x0000000007AE0000-0x0000000007AE1000-memory.dmp

Filesize
4KB

Download
memory/3884-144-0x0000000008CC0000-0x0000000008CC1000-memory.dmp

Filesize
4KB

Download
memory/3884-129-0x00000000074A0000-0x00000000074A1000-memory.dmp

Filesize
4KB

Download
memory/3884-147-0x0000000008A90000-0x0000000008A91000-memory.dmp

Filesize
4KB

Download
memory/3884-148-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

Filesize
4KB

Download
memory/3884-155-0x0000000008E30000-0x0000000008E63000-memory.dmp

Filesize
204KB

Download
memory/3884-162-0x0000000008DF0000-0x0000000008DF1000-memory.dmp

Filesize
4KB

Download
memory/3884-167-0x0000000009D20000-0x0000000009D21000-memory.dmp

Filesize
4KB

Download
memory/3884-168-0x000000007F300000-0x000000007F301000-memory.dmp

Filesize
4KB

Download
memory/3884-169-0x00000000074A3000-0x00000000074A4000-memory.dmp

Filesize
4KB

Download
memory/3884-170-0x0000000009E70000-0x0000000009E71000-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