agenttesla | 0270ccbf19805f0f367437cde61674671fb089dd7349df65b7e1408ac464d1f6

General

Target

BND28384.exe
Size

739KB
MD5

91b12e9726457f2c6ad29b8b27bf7e3c
SHA1

03406222c3cc95e03736a5844e31975b714758dd
SHA256

e4a297a62797d50a37f87d75499be34639395d4791416d2be66c0e3c6a43a8d1
SHA512

8e220ae8c5765fcb4cb65e5d04f4f7c296ecd22d6d81556bc4cf908b66e49210e8139e18b9a82f837870c390388d10f9cea2a575d46b6dc8dc574585500cb907

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.westviewcargos.com
Port:
587
Username:
[email protected]
Password:
Choice@@@12345

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/940-119-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/940-120-0x00000000004377EE-mapping.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:

BND28384.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	BND28384.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	BND28384.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:

BND28384.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	BND28384.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0	BND28384.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

BND28384.exe

description pid process target process

PID 2384 set thread context of 940 2384 BND28384.exe BND28384.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

3044 schtasks.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

BND28384.exedw20.exe

pid process

2384 BND28384.exe
2384 BND28384.exe
2384 BND28384.exe
2384 BND28384.exe
2384 BND28384.exe
2108 dw20.exe
2108 dw20.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

BND28384.exedw20.exe

description pid process

Token: SeDebugPrivilege 2384 BND28384.exe
Token: SeRestorePrivilege 2108 dw20.exe
Token: SeBackupPrivilege 2108 dw20.exe

description	pid	process	target process
PID 2384 set thread context of 940	2384	BND28384.exe	BND28384.exe

pid	process
3044	schtasks.exe

pid	process
2384	BND28384.exe
2384	BND28384.exe
2384	BND28384.exe
2384	BND28384.exe
2384	BND28384.exe
2108	dw20.exe
2108	dw20.exe

description	pid	process
Token: SeDebugPrivilege	2384	BND28384.exe
Token: SeRestorePrivilege	2108	dw20.exe
Token: SeBackupPrivilege	2108	dw20.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

BND28384.exeBND28384.exe

description	pid	process	target process
PID 2384 wrote to memory of 3044	2384	BND28384.exe	schtasks.exe
PID 2384 wrote to memory of 3044	2384	BND28384.exe	schtasks.exe
PID 2384 wrote to memory of 3044	2384	BND28384.exe	schtasks.exe
PID 2384 wrote to memory of 928	2384	BND28384.exe	BND28384.exe
PID 2384 wrote to memory of 928	2384	BND28384.exe	BND28384.exe
PID 2384 wrote to memory of 928	2384	BND28384.exe	BND28384.exe
PID 2384 wrote to memory of 2316	2384	BND28384.exe	BND28384.exe
PID 2384 wrote to memory of 2316	2384	BND28384.exe	BND28384.exe
PID 2384 wrote to memory of 2316	2384	BND28384.exe	BND28384.exe
PID 2384 wrote to memory of 940	2384	BND28384.exe	BND28384.exe
PID 2384 wrote to memory of 940	2384	BND28384.exe	BND28384.exe
PID 2384 wrote to memory of 940	2384	BND28384.exe	BND28384.exe
PID 2384 wrote to memory of 940	2384	BND28384.exe	BND28384.exe
PID 2384 wrote to memory of 940	2384	BND28384.exe	BND28384.exe
PID 2384 wrote to memory of 940	2384	BND28384.exe	BND28384.exe
PID 2384 wrote to memory of 940	2384	BND28384.exe	BND28384.exe
PID 2384 wrote to memory of 940	2384	BND28384.exe	BND28384.exe
PID 940 wrote to memory of 2108	940	BND28384.exe	dw20.exe
PID 940 wrote to memory of 2108	940	BND28384.exe	dw20.exe
PID 940 wrote to memory of 2108	940	BND28384.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\BND28384.exe
"C:\Users\Admin\AppData\Local\Temp\BND28384.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:2384

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vwXKdwSIXtu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDA3F.tmp"
2⤵
- Creates scheduled task(s)
PID:3044

C:\Users\Admin\AppData\Local\Temp\BND28384.exe
"{path}"
2⤵
PID:928

C:\Users\Admin\AppData\Local\Temp\BND28384.exe
"{path}"
2⤵
PID:2316

C:\Users\Admin\AppData\Local\Temp\BND28384.exe
"{path}"
2⤵
- Suspicious use of WriteProcessMemory
PID:940

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 704
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2108

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\BND28384.exe.log

MD5
04ed5246c6fe2244d2885e6654fa8361

SHA1
8d780ce3bba85141f9e2158c165b52487dd5823a

SHA256
ca114a622a02924b818488b080834d1b1367607fc29ab3105302b81457398ab5

SHA512
48698b1601477f3e50fde16f26f4b99246de7231e2d735f95f8974f3efded92436a47558d3bd5ea7e928e64b90ceaeaf0ab904c27ef5e83b7b7e6300be4b3d41

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDA3F.tmp

MD5
d9fb81c91ff85ec11a8536bbb5c043a0

SHA1
3baa0ac7cd26929ca80061fc4d5e41675218b4ae

SHA256
184b9433065166b387a6cb2aae16b48e5460f4e9c6aaec2caf4ec6db682287f3

SHA512
746b9020314cfbb95d5dac27e46b000dc43879e7bb4d9ceda7c402c7ef9ba24fb0d63efa6277300b193c8076370605586832a21382950ac10ce39b7bdf6a15df

Download Submit
memory/940-119-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/940-120-0x00000000004377EE-mapping.dmp

Download
memory/940-123-0x0000000001210000-0x0000000001211000-memory.dmp

Filesize
4KB

Download
memory/2108-122-0x0000000000000000-mapping.dmp

Download
memory/2384-115-0x0000000001170000-0x0000000001171000-memory.dmp

Filesize
4KB

Download
memory/2384-116-0x0000000001171000-0x0000000001172000-memory.dmp

Filesize
4KB

Download
memory/3044-117-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads