agenttesla | b170ea47e3b110dcab42ec05301c798e3497903c74a7a0e4234190b2f3aa3b0d

General

Target

Purchase Order.exe
Size

465KB
MD5

e14568186cb5edbf11dd742183a19697
SHA1

3fbf1a5e6730568ea4e9935365197f53c43e7198
SHA256

b170ea47e3b110dcab42ec05301c798e3497903c74a7a0e4234190b2f3aa3b0d
SHA512

cfc145b6e7d252789a3cc2a91e4191233e56bee921b222e34cd0635e535c0de123a4a181320b469eca27cd745261a014d0a0d556465661701fc7cae0f17b553a

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
eman.refat@yandex.com
Password:
year2020

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1804-4-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1804-5-0x000000000044AA4E-mapping.dmp	family_agenttesla
behavioral1/memory/1804-6-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1804-7-0x0000000000400000-0x0000000000450000-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:

Purchase Order.exe

description pid process target process

PID 1056 set thread context of 1804 1056 Purchase Order.exe Purchase Order.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

1212 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Purchase Order.exe

pid process

1804 Purchase Order.exe
1804 Purchase Order.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Purchase Order.exe

description pid process

Token: SeDebugPrivilege 1804 Purchase Order.exe

description	pid	process	target process
PID 1056 set thread context of 1804	1056	Purchase Order.exe	Purchase Order.exe

pid	process
1212	schtasks.exe

pid	process
1804	Purchase Order.exe
1804	Purchase Order.exe

description	pid	process
Token: SeDebugPrivilege	1804	Purchase Order.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Purchase Order.exePurchase Order.exe

description	pid	process	target process
PID 1056 wrote to memory of 1212	1056	Purchase Order.exe	schtasks.exe
PID 1056 wrote to memory of 1212	1056	Purchase Order.exe	schtasks.exe
PID 1056 wrote to memory of 1212	1056	Purchase Order.exe	schtasks.exe
PID 1056 wrote to memory of 1212	1056	Purchase Order.exe	schtasks.exe
PID 1056 wrote to memory of 1804	1056	Purchase Order.exe	Purchase Order.exe
PID 1056 wrote to memory of 1804	1056	Purchase Order.exe	Purchase Order.exe
PID 1056 wrote to memory of 1804	1056	Purchase Order.exe	Purchase Order.exe
PID 1056 wrote to memory of 1804	1056	Purchase Order.exe	Purchase Order.exe
PID 1056 wrote to memory of 1804	1056	Purchase Order.exe	Purchase Order.exe
PID 1056 wrote to memory of 1804	1056	Purchase Order.exe	Purchase Order.exe
PID 1056 wrote to memory of 1804	1056	Purchase Order.exe	Purchase Order.exe
PID 1056 wrote to memory of 1804	1056	Purchase Order.exe	Purchase Order.exe
PID 1056 wrote to memory of 1804	1056	Purchase Order.exe	Purchase Order.exe
PID 1804 wrote to memory of 1556	1804	Purchase Order.exe	netsh.exe
PID 1804 wrote to memory of 1556	1804	Purchase Order.exe	netsh.exe
PID 1804 wrote to memory of 1556	1804	Purchase Order.exe	netsh.exe
PID 1804 wrote to memory of 1556	1804	Purchase Order.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1056

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZzsUYU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA1F9.tmp"
2⤵
- Creates scheduled task(s)
PID:1212

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1804

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1556

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA1F9.tmp
MD5
3a58ae8fff770d6735b4e6fcf3e99c4c

SHA1
70bd0504a91452a62ce73cd8cd8b1c7f52e9d3bd

SHA256
66066c2b9eab6203d7d1e1113ad8dc0e5bce927b325b57253b2a2a4ab9c42a19

SHA512
2ce3b50e9cba31537081acbba3d07b4450ed2edffabc45072ffb54bbf2e8ac5c6bc93c54dd16b2803c3dc300486165c55d1377cb561cf1819a2f332031f83119

Download Submit
memory/1056-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1212-2-0x0000000000000000-mapping.dmp

Download
memory/1556-8-0x0000000000000000-mapping.dmp

Download
memory/1804-4-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1804-5-0x000000000044AA4E-mapping.dmp

Download
memory/1804-6-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1804-7-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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