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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4040-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/4040-14-0x000000000043760E-mapping.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 4052 set thread context of 4040 4052 FedEx Receipt.exe FedEx Receipt.exe

description	pid	process	target process
PID 4052 set thread context of 4040	4052	FedEx Receipt.exe	FedEx Receipt.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

FedEx Receipt.exeFedEx Receipt.exe

pid	process
4052	FedEx Receipt.exe
4052	FedEx Receipt.exe
4052	FedEx Receipt.exe
4052	FedEx Receipt.exe
4052	FedEx Receipt.exe
4040	FedEx Receipt.exe
4040	FedEx Receipt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

FedEx Receipt.exeFedEx Receipt.exe

description pid process

Token: SeDebugPrivilege 4052 FedEx Receipt.exe
Token: SeDebugPrivilege 4040 FedEx Receipt.exe

description	pid	process
Token: SeDebugPrivilege	4052	FedEx Receipt.exe
Token: SeDebugPrivilege	4040	FedEx Receipt.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

FedEx Receipt.exe

description	pid	process	target process
PID 4052 wrote to memory of 4064	4052	FedEx Receipt.exe	FedEx Receipt.exe
PID 4052 wrote to memory of 4064	4052	FedEx Receipt.exe	FedEx Receipt.exe
PID 4052 wrote to memory of 4064	4052	FedEx Receipt.exe	FedEx Receipt.exe
PID 4052 wrote to memory of 4040	4052	FedEx Receipt.exe	FedEx Receipt.exe
PID 4052 wrote to memory of 4040	4052	FedEx Receipt.exe	FedEx Receipt.exe
PID 4052 wrote to memory of 4040	4052	FedEx Receipt.exe	FedEx Receipt.exe
PID 4052 wrote to memory of 4040	4052	FedEx Receipt.exe	FedEx Receipt.exe
PID 4052 wrote to memory of 4040	4052	FedEx Receipt.exe	FedEx Receipt.exe
PID 4052 wrote to memory of 4040	4052	FedEx Receipt.exe	FedEx Receipt.exe
PID 4052 wrote to memory of 4040	4052	FedEx Receipt.exe	FedEx Receipt.exe
PID 4052 wrote to memory of 4040	4052	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:4052

C:\Users\Admin\AppData\Local\Temp\FedEx Receipt.exe
"{path}"
2⤵
PID:4064

C:\Users\Admin\AppData\Local\Temp\FedEx Receipt.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4040

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\FedEx Receipt.exe.log
MD5
b4f7a6a57cb46d94b72410eb6a6d45a9

SHA1
69f3596ffa027202d391444b769ceea0ae14c5f7

SHA256
23994ebe221a48ea16ebad51ae0d4b47ccd415ae10581f9405e588d4f6c2523b

SHA512
be6da516e54c3a5b33ac2603137a2f8cf8445ff5961dd266faedf3627bae8979953d7ef305538df0151c609917a5b99bf5d023bdd32de50fd5c723950f90db5c

Download Submit
memory/4040-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4040-26-0x00000000051F1000-0x00000000051F2000-memory.dmp

Filesize
4KB

Download
memory/4040-23-0x0000000005E40000-0x0000000005E41000-memory.dmp

Filesize
4KB

Download
memory/4040-22-0x00000000055A0000-0x00000000055A1000-memory.dmp

Filesize
4KB

Download
memory/4040-21-0x00000000051F0000-0x00000000051F1000-memory.dmp

Filesize
4KB

Download
memory/4040-16-0x0000000073820000-0x0000000073F0E000-memory.dmp

Filesize
6.9MB

Download
memory/4040-14-0x000000000043760E-mapping.dmp

Download
memory/4052-7-0x00000000055F0000-0x00000000055F1000-memory.dmp

Filesize
4KB

Download
memory/4052-12-0x0000000008860000-0x0000000008861000-memory.dmp

Filesize
4KB

Download
memory/4052-11-0x0000000008750000-0x00000000087A5000-memory.dmp

Filesize
340KB

Download
memory/4052-10-0x0000000005A30000-0x0000000005A3E000-memory.dmp

Filesize
56KB

Download
memory/4052-9-0x0000000005220000-0x0000000005221000-memory.dmp

Filesize
4KB

Download
memory/4052-8-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/4052-2-0x0000000073820000-0x0000000073F0E000-memory.dmp

Filesize
6.9MB

Download
memory/4052-6-0x0000000005A50000-0x0000000005A51000-memory.dmp

Filesize
4KB

Download
memory/4052-5-0x00000000075D0000-0x0000000007651000-memory.dmp

Filesize
516KB

Download
memory/4052-3-0x0000000000640000-0x0000000000641000-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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