agenttesla | 5c1acbd40fb6b82586354bd863d53e71d6cbc6f6271f0f8da6f3692c4446ebe6

General

Target

FedEx Receipt.exe
Size

1.4MB
MD5

1f6d229ec85595854602233ac2d16e0f
SHA1

2d761403aeef09d51057dafa64fe9fe2b382d6e8
SHA256

5c1acbd40fb6b82586354bd863d53e71d6cbc6f6271f0f8da6f3692c4446ebe6
SHA512

246e3968cb5ca1907886946cd270046d934140e21ed9085eec1534f6527b81b272fbfbedb6e206ba8f90967d8313d74e2eab512b3b084614a9e1dc1784d4bcbf

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.aepmarinesparts.com
Port:
587
Username:
n.louter@aepmarinesparts.com
Password:
NtKyM*p4

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/2012-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2012-10-0x000000000043760E-mapping.dmp	family_agenttesla
behavioral1/memory/2012-12-0x0000000000400000-0x000000000043C000-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:

FedEx Receipt.exe

description pid process target process

PID 2028 set thread context of 2012 2028 FedEx Receipt.exe FedEx Receipt.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

FedEx Receipt.exeFedEx Receipt.exe

pid process

2028 FedEx Receipt.exe
2028 FedEx Receipt.exe
2028 FedEx Receipt.exe
2012 FedEx Receipt.exe
2012 FedEx Receipt.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

FedEx Receipt.exeFedEx Receipt.exe

description pid process

Token: SeDebugPrivilege 2028 FedEx Receipt.exe
Token: SeDebugPrivilege 2012 FedEx Receipt.exe

description	pid	process	target process
PID 2028 set thread context of 2012	2028	FedEx Receipt.exe	FedEx Receipt.exe

pid	process
2028	FedEx Receipt.exe
2028	FedEx Receipt.exe
2028	FedEx Receipt.exe
2012	FedEx Receipt.exe
2012	FedEx Receipt.exe

description	pid	process
Token: SeDebugPrivilege	2028	FedEx Receipt.exe
Token: SeDebugPrivilege	2012	FedEx Receipt.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

FedEx Receipt.exe

description	pid	process	target process
PID 2028 wrote to memory of 2012	2028	FedEx Receipt.exe	FedEx Receipt.exe
PID 2028 wrote to memory of 2012	2028	FedEx Receipt.exe	FedEx Receipt.exe
PID 2028 wrote to memory of 2012	2028	FedEx Receipt.exe	FedEx Receipt.exe
PID 2028 wrote to memory of 2012	2028	FedEx Receipt.exe	FedEx Receipt.exe
PID 2028 wrote to memory of 2012	2028	FedEx Receipt.exe	FedEx Receipt.exe
PID 2028 wrote to memory of 2012	2028	FedEx Receipt.exe	FedEx Receipt.exe
PID 2028 wrote to memory of 2012	2028	FedEx Receipt.exe	FedEx Receipt.exe
PID 2028 wrote to memory of 2012	2028	FedEx Receipt.exe	FedEx Receipt.exe
PID 2028 wrote to memory of 2012	2028	FedEx Receipt.exe	FedEx Receipt.exe

C:\Users\Admin\AppData\Local\Temp\FedEx Receipt.exe
"C:\Users\Admin\AppData\Local\Temp\FedEx Receipt.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028

C:\Users\Admin\AppData\Local\Temp\FedEx Receipt.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2012

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2012-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2012-10-0x000000000043760E-mapping.dmp

Download
memory/2012-11-0x0000000074EE0000-0x00000000755CE000-memory.dmp

Filesize
6.9MB

Download
memory/2012-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2012-14-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2012-15-0x00000000001F1000-0x00000000001F2000-memory.dmp

Filesize
4KB

Download
memory/2028-2-0x0000000074EE0000-0x00000000755CE000-memory.dmp

Filesize
6.9MB

Download
memory/2028-3-0x0000000000CA0000-0x0000000000CA1000-memory.dmp

Filesize
4KB

Download
memory/2028-5-0x0000000005C70000-0x0000000005CF1000-memory.dmp

Filesize
516KB

Download
memory/2028-6-0x0000000005D30000-0x0000000005D31000-memory.dmp

Filesize
4KB

Download
memory/2028-7-0x0000000000950000-0x000000000095E000-memory.dmp

Filesize
56KB

Download
memory/2028-8-0x0000000005FB0000-0x0000000006005000-memory.dmp

Filesize
340KB

Download

Analysis

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