agenttesla | da62030389950c96e25e406e2c698b25cfacd49ecbdaa986421fb7995d2ee314

General

Target

order-2020-PO_0834.exe
Size

769KB
MD5

1da2611d005b3e9772473c6c6a30a4bb
SHA1

c6a2394c14529f9569a8cb4fa97f6d561d848118
SHA256

da62030389950c96e25e406e2c698b25cfacd49ecbdaa986421fb7995d2ee314
SHA512

9b796e625a8ae2118f3b57b8d1fa5a5076bcdfa5bcabf3b85d79853508a0cb8836c6fd1dfbbe66ae152b4224217f0f243b531c97f7bbff5f068270c8f48a727c

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.grandtours.gr
Port:
587
Username:
[email protected]
Password:
!ugochukwu1-4-7!???rex

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/1016-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1016-11-0x00000000004374BE-mapping.dmp	family_agenttesla
behavioral1/memory/1016-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

order-2020-PO_0834.exe

description pid process target process

PID 1864 set thread context of 1016 1864 order-2020-PO_0834.exe order-2020-PO_0834.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

1184 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

order-2020-PO_0834.exe

pid process

1016 order-2020-PO_0834.exe
1016 order-2020-PO_0834.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

order-2020-PO_0834.exe

description pid process

Token: SeDebugPrivilege 1016 order-2020-PO_0834.exe

description	pid	process	target process
PID 1864 set thread context of 1016	1864	order-2020-PO_0834.exe	order-2020-PO_0834.exe

pid	process
1184	schtasks.exe

pid	process
1016	order-2020-PO_0834.exe
1016	order-2020-PO_0834.exe

description	pid	process
Token: SeDebugPrivilege	1016	order-2020-PO_0834.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

order-2020-PO_0834.exe

description	pid	process	target process
PID 1864 wrote to memory of 1184	1864	order-2020-PO_0834.exe	schtasks.exe
PID 1864 wrote to memory of 1184	1864	order-2020-PO_0834.exe	schtasks.exe
PID 1864 wrote to memory of 1184	1864	order-2020-PO_0834.exe	schtasks.exe
PID 1864 wrote to memory of 1184	1864	order-2020-PO_0834.exe	schtasks.exe
PID 1864 wrote to memory of 1016	1864	order-2020-PO_0834.exe	order-2020-PO_0834.exe
PID 1864 wrote to memory of 1016	1864	order-2020-PO_0834.exe	order-2020-PO_0834.exe
PID 1864 wrote to memory of 1016	1864	order-2020-PO_0834.exe	order-2020-PO_0834.exe
PID 1864 wrote to memory of 1016	1864	order-2020-PO_0834.exe	order-2020-PO_0834.exe
PID 1864 wrote to memory of 1016	1864	order-2020-PO_0834.exe	order-2020-PO_0834.exe
PID 1864 wrote to memory of 1016	1864	order-2020-PO_0834.exe	order-2020-PO_0834.exe
PID 1864 wrote to memory of 1016	1864	order-2020-PO_0834.exe	order-2020-PO_0834.exe
PID 1864 wrote to memory of 1016	1864	order-2020-PO_0834.exe	order-2020-PO_0834.exe
PID 1864 wrote to memory of 1016	1864	order-2020-PO_0834.exe	order-2020-PO_0834.exe

C:\Users\Admin\AppData\Local\Temp\order-2020-PO_0834.exe
"C:\Users\Admin\AppData\Local\Temp\order-2020-PO_0834.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1864

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VkdmIUfSlA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp23E5.tmp"
2⤵
- Creates scheduled task(s)
PID:1184

C:\Users\Admin\AppData\Local\Temp\order-2020-PO_0834.exe
"C:\Users\Admin\AppData\Local\Temp\order-2020-PO_0834.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1016

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

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp23E5.tmp

MD5
7d05ff30c554a5bcdb72d42ac1c8d7fc

SHA1
6679123c83c1463611b276829e47656f91e6ca76

SHA256
df626ed616af9ab68d3dba7f1395e420ce30a5b46801fa1f0715f036341039f5

SHA512
078f6301339994cc1d164bcca44df88f4bff2b3e06ff6ed111f4acb4888e8d8590e67138853a1da2315a4a8ac785fbb87fe052f3f21f98b92f9fadcff68c3987

Download Submit
memory/1016-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1016-11-0x00000000004374BE-mapping.dmp

Download
memory/1016-12-0x00000000743D0000-0x0000000074ABE000-memory.dmp

Filesize
6.9MB

Download
memory/1016-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1016-15-0x0000000004B40000-0x0000000004B41000-memory.dmp

Filesize
4KB

Download
memory/1184-8-0x0000000000000000-mapping.dmp

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memory/1864-2-0x00000000743D0000-0x0000000074ABE000-memory.dmp

Filesize
6.9MB

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memory/1864-3-0x00000000105C0000-0x00000000105C1000-memory.dmp

Filesize
4KB

Download
memory/1864-5-0x0000000004D50000-0x0000000004D51000-memory.dmp

Filesize
4KB

Download
memory/1864-6-0x0000000000490000-0x0000000000493000-memory.dmp

Filesize
12KB

Download
memory/1864-7-0x0000000004CD0000-0x0000000004D3A000-memory.dmp

Filesize
424KB

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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