agenttesla | b7f4f41e2140b9416ccfd8d0c89523bf774b9577302b107f8b143c5bdd3f6534

General

Target

L9oOm9x3I7YZFcA.exe
Size

1.1MB
MD5

4ae13376f629270025f6113b6fef91db
SHA1

d7efd57f3ff3dd58bfff40d18c8dd70d58b2a1fa
SHA256

b7f4f41e2140b9416ccfd8d0c89523bf774b9577302b107f8b143c5bdd3f6534
SHA512

3c18523e21574ab3e63f4ef4874ed5aaab01cfcb38b1cf0c40941ccdf1c5c436765bf3b6776a1215841472ecbe034fdce9b2025dc0cac8727e26d9fc9eaaddf8

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.cefortem.cat
Port:
587
Username:
presidencia@cefortem.cat
Password:
Vft284Rpyn

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/672-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/672-14-0x00000000004374DE-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:

L9oOm9x3I7YZFcA.exe

description pid process target process

PID 4768 set thread context of 672 4768 L9oOm9x3I7YZFcA.exe L9oOm9x3I7YZFcA.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

L9oOm9x3I7YZFcA.exeL9oOm9x3I7YZFcA.exe

pid process

4768 L9oOm9x3I7YZFcA.exe
4768 L9oOm9x3I7YZFcA.exe
4768 L9oOm9x3I7YZFcA.exe
4768 L9oOm9x3I7YZFcA.exe
672 L9oOm9x3I7YZFcA.exe
672 L9oOm9x3I7YZFcA.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

L9oOm9x3I7YZFcA.exeL9oOm9x3I7YZFcA.exe

description pid process

Token: SeDebugPrivilege 4768 L9oOm9x3I7YZFcA.exe
Token: SeDebugPrivilege 672 L9oOm9x3I7YZFcA.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

L9oOm9x3I7YZFcA.exe

pid process

672 L9oOm9x3I7YZFcA.exe

description	pid	process	target process
PID 4768 set thread context of 672	4768	L9oOm9x3I7YZFcA.exe	L9oOm9x3I7YZFcA.exe

pid	process
4768	L9oOm9x3I7YZFcA.exe
4768	L9oOm9x3I7YZFcA.exe
4768	L9oOm9x3I7YZFcA.exe
4768	L9oOm9x3I7YZFcA.exe
672	L9oOm9x3I7YZFcA.exe
672	L9oOm9x3I7YZFcA.exe

description	pid	process
Token: SeDebugPrivilege	4768	L9oOm9x3I7YZFcA.exe
Token: SeDebugPrivilege	672	L9oOm9x3I7YZFcA.exe

pid	process
672	L9oOm9x3I7YZFcA.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

L9oOm9x3I7YZFcA.exe

description	pid	process	target process
PID 4768 wrote to memory of 672	4768	L9oOm9x3I7YZFcA.exe	L9oOm9x3I7YZFcA.exe
PID 4768 wrote to memory of 672	4768	L9oOm9x3I7YZFcA.exe	L9oOm9x3I7YZFcA.exe
PID 4768 wrote to memory of 672	4768	L9oOm9x3I7YZFcA.exe	L9oOm9x3I7YZFcA.exe
PID 4768 wrote to memory of 672	4768	L9oOm9x3I7YZFcA.exe	L9oOm9x3I7YZFcA.exe
PID 4768 wrote to memory of 672	4768	L9oOm9x3I7YZFcA.exe	L9oOm9x3I7YZFcA.exe
PID 4768 wrote to memory of 672	4768	L9oOm9x3I7YZFcA.exe	L9oOm9x3I7YZFcA.exe
PID 4768 wrote to memory of 672	4768	L9oOm9x3I7YZFcA.exe	L9oOm9x3I7YZFcA.exe
PID 4768 wrote to memory of 672	4768	L9oOm9x3I7YZFcA.exe	L9oOm9x3I7YZFcA.exe

C:\Users\Admin\AppData\Local\Temp\L9oOm9x3I7YZFcA.exe
"C:\Users\Admin\AppData\Local\Temp\L9oOm9x3I7YZFcA.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4768

C:\Users\Admin\AppData\Local\Temp\L9oOm9x3I7YZFcA.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:672

Network

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\L9oOm9x3I7YZFcA.exe.log
MD5
b4f7a6a57cb46d94b72410eb6a6d45a9

SHA1
69f3596ffa027202d391444b769ceea0ae14c5f7

SHA256
23994ebe221a48ea16ebad51ae0d4b47ccd415ae10581f9405e588d4f6c2523b

SHA512
be6da516e54c3a5b33ac2603137a2f8cf8445ff5961dd266faedf3627bae8979953d7ef305538df0151c609917a5b99bf5d023bdd32de50fd5c723950f90db5c

Download Submit
memory/672-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/672-23-0x0000000006070000-0x0000000006071000-memory.dmp

Filesize
4KB

Download
memory/672-22-0x0000000005500000-0x0000000005501000-memory.dmp

Filesize
4KB

Download
memory/672-21-0x0000000005470000-0x0000000005471000-memory.dmp

Filesize
4KB

Download
memory/672-16-0x00000000732D0000-0x00000000739BE000-memory.dmp

Filesize
6.9MB

Download
memory/672-14-0x00000000004374DE-mapping.dmp

Download
memory/4768-7-0x000000000A9B0000-0x000000000A9B1000-memory.dmp

Filesize
4KB

Download
memory/4768-11-0x0000000005160000-0x00000000051F3000-memory.dmp

Filesize
588KB

Download
memory/4768-12-0x00000000052B0000-0x00000000052B1000-memory.dmp

Filesize
4KB

Download
memory/4768-10-0x0000000001270000-0x0000000001271000-memory.dmp

Filesize
4KB

Download
memory/4768-9-0x000000000ABD0000-0x000000000ABDE000-memory.dmp

Filesize
56KB

Download
memory/4768-8-0x000000000A9A0000-0x000000000A9A1000-memory.dmp

Filesize
4KB

Download
memory/4768-2-0x00000000732D0000-0x00000000739BE000-memory.dmp

Filesize
6.9MB

Download
memory/4768-6-0x000000000ACD0000-0x000000000ACD1000-memory.dmp

Filesize
4KB

Download
memory/4768-5-0x00000000074E0000-0x00000000075CE000-memory.dmp

Filesize
952KB

Download
memory/4768-3-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download

Analysis

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