agenttesla | 771ad35af9108de2379e1385b2e2e5d43e423f0d518320a4021af3f4fd77bec6

General

Target

1a895b4a64a00fbd249254bdd8a3ebdf.exe
Size

604KB
MD5

1a895b4a64a00fbd249254bdd8a3ebdf
SHA1

23cb3c999fb8080d20b0b26eb21b899392c23311
SHA256

771ad35af9108de2379e1385b2e2e5d43e423f0d518320a4021af3f4fd77bec6
SHA512

5c1dad7b66cf35ae3a8a55af495dff5d63166496064536b0a86aabab884bd6d1f849fd38058a8374722c6a14935f856d71376b9a59d17cbdec23277fd772bcaf

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.askinmakina.com.tr
Port:
587
Username:
[email protected]
Password:
A102030b.

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/2596-131-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2596-132-0x000000000043764E-mapping.dmp	family_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:

1a895b4a64a00fbd249254bdd8a3ebdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1a895b4a64a00fbd249254bdd8a3ebdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1a895b4a64a00fbd249254bdd8a3ebdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1a895b4a64a00fbd249254bdd8a3ebdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1a895b4a64a00fbd249254bdd8a3ebdf.exe

description pid process target process

PID 2604 set thread context of 2596 2604 1a895b4a64a00fbd249254bdd8a3ebdf.exe 1a895b4a64a00fbd249254bdd8a3ebdf.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

2864 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

1a895b4a64a00fbd249254bdd8a3ebdf.exe1a895b4a64a00fbd249254bdd8a3ebdf.exe

pid process

2604 1a895b4a64a00fbd249254bdd8a3ebdf.exe
2596 1a895b4a64a00fbd249254bdd8a3ebdf.exe
2596 1a895b4a64a00fbd249254bdd8a3ebdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1a895b4a64a00fbd249254bdd8a3ebdf.exe1a895b4a64a00fbd249254bdd8a3ebdf.exe

description pid process

Token: SeDebugPrivilege 2604 1a895b4a64a00fbd249254bdd8a3ebdf.exe
Token: SeDebugPrivilege 2596 1a895b4a64a00fbd249254bdd8a3ebdf.exe

description	pid	process	target process
PID 2604 set thread context of 2596	2604	1a895b4a64a00fbd249254bdd8a3ebdf.exe	1a895b4a64a00fbd249254bdd8a3ebdf.exe

pid	process
2864	schtasks.exe

pid	process
2604	1a895b4a64a00fbd249254bdd8a3ebdf.exe
2596	1a895b4a64a00fbd249254bdd8a3ebdf.exe
2596	1a895b4a64a00fbd249254bdd8a3ebdf.exe

description	pid	process
Token: SeDebugPrivilege	2604	1a895b4a64a00fbd249254bdd8a3ebdf.exe
Token: SeDebugPrivilege	2596	1a895b4a64a00fbd249254bdd8a3ebdf.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

1a895b4a64a00fbd249254bdd8a3ebdf.exe

description	pid	process	target process
PID 2604 wrote to memory of 2864	2604	1a895b4a64a00fbd249254bdd8a3ebdf.exe	schtasks.exe
PID 2604 wrote to memory of 2864	2604	1a895b4a64a00fbd249254bdd8a3ebdf.exe	schtasks.exe
PID 2604 wrote to memory of 2864	2604	1a895b4a64a00fbd249254bdd8a3ebdf.exe	schtasks.exe
PID 2604 wrote to memory of 2596	2604	1a895b4a64a00fbd249254bdd8a3ebdf.exe	1a895b4a64a00fbd249254bdd8a3ebdf.exe
PID 2604 wrote to memory of 2596	2604	1a895b4a64a00fbd249254bdd8a3ebdf.exe	1a895b4a64a00fbd249254bdd8a3ebdf.exe
PID 2604 wrote to memory of 2596	2604	1a895b4a64a00fbd249254bdd8a3ebdf.exe	1a895b4a64a00fbd249254bdd8a3ebdf.exe
PID 2604 wrote to memory of 2596	2604	1a895b4a64a00fbd249254bdd8a3ebdf.exe	1a895b4a64a00fbd249254bdd8a3ebdf.exe
PID 2604 wrote to memory of 2596	2604	1a895b4a64a00fbd249254bdd8a3ebdf.exe	1a895b4a64a00fbd249254bdd8a3ebdf.exe
PID 2604 wrote to memory of 2596	2604	1a895b4a64a00fbd249254bdd8a3ebdf.exe	1a895b4a64a00fbd249254bdd8a3ebdf.exe
PID 2604 wrote to memory of 2596	2604	1a895b4a64a00fbd249254bdd8a3ebdf.exe	1a895b4a64a00fbd249254bdd8a3ebdf.exe
PID 2604 wrote to memory of 2596	2604	1a895b4a64a00fbd249254bdd8a3ebdf.exe	1a895b4a64a00fbd249254bdd8a3ebdf.exe

outlook_office_path 1 IoCs

Processes:

1a895b4a64a00fbd249254bdd8a3ebdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1a895b4a64a00fbd249254bdd8a3ebdf.exe

outlook_win_path 1 IoCs

Processes:

1a895b4a64a00fbd249254bdd8a3ebdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1a895b4a64a00fbd249254bdd8a3ebdf.exe

C:\Users\Admin\AppData\Local\Temp\1a895b4a64a00fbd249254bdd8a3ebdf.exe
"C:\Users\Admin\AppData\Local\Temp\1a895b4a64a00fbd249254bdd8a3ebdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2604

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HVtsRJrKNWqouN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp31E9.tmp"
2⤵
- Creates scheduled task(s)
PID:2864

C:\Users\Admin\AppData\Local\Temp\1a895b4a64a00fbd249254bdd8a3ebdf.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2596

Network

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\Microsoft\CLR_v4.0_32\UsageLogs\1a895b4a64a00fbd249254bdd8a3ebdf.exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp31E9.tmp
MD5
e63de5fc9acc9fade9fd3097315cf4b5

SHA1
d87314d27b0593eceea76fd59a02d519e2f0c874

SHA256
e94a80cd41e474bfd639aa4ed843642a5ca21612c2f132bebc0bfe834d39bcc4

SHA512
8d2e10a7865538e05b4f291a07e2f2b5dd4321497ec4180f76c7ea681aebe7ac856da60cb9db1315b67fa4c5d8b36cbf340123785cbd107f3180a880e1101083

Download Submit
memory/2596-143-0x0000000002901000-0x0000000002902000-memory.dmp

Filesize
4KB

Download
memory/2596-140-0x0000000005B60000-0x0000000005B61000-memory.dmp

Filesize
4KB

Download
memory/2596-139-0x0000000005AC0000-0x0000000005AC1000-memory.dmp

Filesize
4KB

Download
memory/2596-138-0x0000000002900000-0x0000000002901000-memory.dmp

Filesize
4KB

Download
memory/2596-132-0x000000000043764E-mapping.dmp

Download
memory/2596-131-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2604-123-0x00000000048C0000-0x00000000048C1000-memory.dmp

Filesize
4KB

Download
memory/2604-128-0x0000000007130000-0x0000000007168000-memory.dmp

Filesize
224KB

Download
memory/2604-127-0x00000000070B0000-0x0000000007130000-memory.dmp

Filesize
512KB

Download
memory/2604-126-0x0000000004B20000-0x0000000004B25000-memory.dmp

Filesize
20KB

Download
memory/2604-125-0x00000000049E0000-0x0000000004EDE000-memory.dmp

Filesize
5.0MB

Download
memory/2604-124-0x0000000004B40000-0x0000000004B41000-memory.dmp

Filesize
4KB

Download
memory/2604-118-0x0000000000010000-0x0000000000011000-memory.dmp

Filesize
4KB

Download
memory/2604-122-0x00000000049E0000-0x00000000049E1000-memory.dmp

Filesize
4KB

Download
memory/2604-121-0x0000000004EE0000-0x0000000004EE1000-memory.dmp

Filesize
4KB

Download
memory/2604-120-0x0000000004940000-0x0000000004941000-memory.dmp

Filesize
4KB

Download
memory/2864-129-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads