agenttesla | 8f849e8b729c955d5bfd1a320b19e550a55405694698aa236a82df9a1e240b79

General

Target

payment receipt.exe
Size

593KB
MD5

86bf20e190ce42ab65ad7a5a924542d8
SHA1

d1136d72a107687a839b8138ed34f1f235d8619d
SHA256

8f849e8b729c955d5bfd1a320b19e550a55405694698aa236a82df9a1e240b79
SHA512

26ee22aad4ec34d53122b1c3dedd2a26b6bbea8208368458b9b0ed0544f8fd96e8e6c007776be553188c70a0cea2863faf357219e3bb765148d5de67acac42f7
SSDEEP

12288:h/kzrbETClPHskFgFwIyXCDYhPudSQgYLIrWIxd9YLVqM3U19aFHA9Ejt:q76ChskFgqIyXRhPudxgYM/r9YLVf09K

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sseximclearing.com
Port:
587
Username:
[email protected]
Password:
Ssxm@9854
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
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 stealer

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

payment receipt.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment receipt.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment receipt.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment receipt.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

payment receipt.exe

description pid process target process

PID 544 set thread context of 1308 544 payment receipt.exe payment receipt.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

1956 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

payment receipt.exepayment receipt.exe

pid process

544 payment receipt.exe
1308 payment receipt.exe
1308 payment receipt.exe
1308 payment receipt.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

payment receipt.exepayment receipt.exe

description pid process

Token: SeDebugPrivilege 544 payment receipt.exe
Token: SeDebugPrivilege 1308 payment receipt.exe

description	pid	process	target process
PID 544 set thread context of 1308	544	payment receipt.exe	payment receipt.exe

pid	process
1956	schtasks.exe

pid	process
544	payment receipt.exe
1308	payment receipt.exe
1308	payment receipt.exe
1308	payment receipt.exe

description	pid	process
Token: SeDebugPrivilege	544	payment receipt.exe
Token: SeDebugPrivilege	1308	payment receipt.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

payment receipt.exe

description	pid	process	target process
PID 544 wrote to memory of 1956	544	payment receipt.exe	schtasks.exe
PID 544 wrote to memory of 1956	544	payment receipt.exe	schtasks.exe
PID 544 wrote to memory of 1956	544	payment receipt.exe	schtasks.exe
PID 544 wrote to memory of 1956	544	payment receipt.exe	schtasks.exe
PID 544 wrote to memory of 1308	544	payment receipt.exe	payment receipt.exe
PID 544 wrote to memory of 1308	544	payment receipt.exe	payment receipt.exe
PID 544 wrote to memory of 1308	544	payment receipt.exe	payment receipt.exe
PID 544 wrote to memory of 1308	544	payment receipt.exe	payment receipt.exe
PID 544 wrote to memory of 1308	544	payment receipt.exe	payment receipt.exe
PID 544 wrote to memory of 1308	544	payment receipt.exe	payment receipt.exe
PID 544 wrote to memory of 1308	544	payment receipt.exe	payment receipt.exe
PID 544 wrote to memory of 1308	544	payment receipt.exe	payment receipt.exe
PID 544 wrote to memory of 1308	544	payment receipt.exe	payment receipt.exe

outlook_office_path 1 IoCs

Processes:

payment receipt.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment receipt.exe

outlook_win_path 1 IoCs

Processes:

payment receipt.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment receipt.exe

C:\Users\Admin\AppData\Local\Temp\payment receipt.exe
"C:\Users\Admin\AppData\Local\Temp\payment receipt.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:544

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UxKwcHWFgpf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAE2B.tmp"
2⤵
- Creates scheduled task(s)
PID:1956

C:\Users\Admin\AppData\Local\Temp\payment receipt.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1308

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

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpAE2B.tmp
Filesize
1KB

MD5
4744b941df1b6a93f42777baf04c2f59

SHA1
0266bcbd88d4a4a579597910f877eb6446d0a6ff

SHA256
1527eb9522ae439650c6adf1fa2513216b5d72dcfbe0b9f8318c68730ecad559

SHA512
5c453f3b9e0b7486fe4f5d9000332c05dd0b4eb78218e81714efb1fe63e5891f0a1d10124daac8d8545d3d23a95bcfba4ea012de9adffb1054092381943fb450

Download Submit
memory/544-57-0x0000000005500000-0x0000000005584000-memory.dmp

Filesize
528KB

Download
memory/544-55-0x0000000075A91000-0x0000000075A93000-memory.dmp

Filesize
8KB

Download
memory/544-54-0x00000000012D0000-0x000000000136A000-memory.dmp

Filesize
616KB

Download
memory/544-58-0x0000000001110000-0x000000000114C000-memory.dmp

Filesize
240KB

Download
memory/544-56-0x00000000008E0000-0x00000000008F2000-memory.dmp

Filesize
72KB

Download
memory/1308-67-0x0000000000437B5E-mapping.dmp

Download
memory/1308-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1308-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1308-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1308-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1308-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1308-69-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1308-71-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1956-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads