agenttesla | b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959

General

Target

b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
Size

842KB
MD5

f918266716676393150c923659f80e79
SHA1

24083ba3b3ef71e4e4999c19bfcdd79046db54dd
SHA256

b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959
SHA512

72ea1edef4480c046800d69deab32b1a40b3443dd4dd0a5c1ab00e971eb1dcbc34434501eea97c574e8d7510efc9ee75cd75b4b4c189da47439e917c20b3d477
SSDEEP

24576:N0pk+pJIdmMDwTWHfCn5/KzyXEHSVq51:aFJIdmMDwTWHfCn5CGG

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.telefoonreparatiebovenkarspel.nl
Port:
587
Username:
[email protected]
Password:
Madarjan007!

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.telefoonreparatiebovenkarspel.nl
Port:
587
Username:
[email protected]
Password:
Madarjan007!
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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 stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
Key opened	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
Key opened	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe

description	pid	process	target process
PID 852 set thread context of 988	852	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exeb4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe

pid	process
852	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
852	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
988	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
988	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exeb4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe

description	pid	process
Token: SeDebugPrivilege	852	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
Token: SeDebugPrivilege	988	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe

pid process

988 b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe

pid	process
988	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe

description	pid	process	target process
PID 852 wrote to memory of 988	852	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
PID 852 wrote to memory of 988	852	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
PID 852 wrote to memory of 988	852	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
PID 852 wrote to memory of 988	852	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
PID 852 wrote to memory of 988	852	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
PID 852 wrote to memory of 988	852	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
PID 852 wrote to memory of 988	852	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
PID 852 wrote to memory of 988	852	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
PID 852 wrote to memory of 988	852	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe

outlook_office_path 1 IoCs

Processes:

b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe

outlook_win_path 1 IoCs

Processes:

b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe

C:\Users\Admin\AppData\Local\Temp\b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
"C:\Users\Admin\AppData\Local\Temp\b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:852

C:\Users\Admin\AppData\Local\Temp\b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
"C:\Users\Admin\AppData\Local\Temp\b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA54.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/852-18-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/852-0-0x0000000000A20000-0x0000000000AF8000-memory.dmp

Filesize
864KB

Download
memory/852-4-0x0000000000290000-0x0000000000298000-memory.dmp

Filesize
32KB

Download
memory/852-5-0x0000000000570000-0x000000000057A000-memory.dmp

Filesize
40KB

Download
memory/852-6-0x0000000005C40000-0x0000000005CBE000-memory.dmp

Filesize
504KB

Download
memory/852-3-0x0000000000550000-0x0000000000568000-memory.dmp

Filesize
96KB

Download
memory/852-1-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/852-2-0x0000000001FC0000-0x0000000002000000-memory.dmp

Filesize
256KB

Download
memory/988-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/988-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/988-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/988-15-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/988-17-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/988-10-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/988-19-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/988-20-0x0000000002180000-0x00000000021C0000-memory.dmp

Filesize
256KB

Download
memory/988-9-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/988-8-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/988-58-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/988-59-0x0000000002180000-0x00000000021C0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads