agenttesla | 9af12a20c1c19bf81ba50b2f48b4fc067f9ef650dece4b5972be9568a8fd1d32

General

Target

BL DRAFT COPY.exe
Size

482KB
MD5

c19417f92b007af50ba9ae328c693d0f
SHA1

7eddf0cf2dcf2546e7d679bcd1341591c6f5d3ae
SHA256

ef0c12e1c56d5e674a83f56e8e21b485bdcf7d45e0c97e02669d5e8604cebafc
SHA512

700153ca06ca6b43a053db6ac1ead5e9de6e3f27426dd362d67fe5fe5064948c56847503965c2846f0304a2365d5f34f1fdd119c445770e1272b68926b5d9041

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.khawambros.com
Port:
587
Username:
[email protected]
Password:
1EJRh0xnEN549JSbdZHz

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1832-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1832-66-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1832-68-0x00000000004374BE-mapping.dmp	family_agenttesla
behavioral1/memory/1832-67-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1832-69-0x0000000000400000-0x000000000043C000-memory.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:

BL DRAFT COPY.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL DRAFT COPY.exe
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL DRAFT COPY.exe
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL DRAFT COPY.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

BL DRAFT COPY.exe

description pid process target process

PID 1220 set thread context of 1832 1220 BL DRAFT COPY.exe BL DRAFT COPY.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

1408 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

BL DRAFT COPY.exeBL DRAFT COPY.exe

pid process

1220 BL DRAFT COPY.exe
1832 BL DRAFT COPY.exe
1832 BL DRAFT COPY.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

BL DRAFT COPY.exeBL DRAFT COPY.exe

description pid process

Token: SeDebugPrivilege 1220 BL DRAFT COPY.exe
Token: SeDebugPrivilege 1832 BL DRAFT COPY.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

BL DRAFT COPY.exe

pid process

1832 BL DRAFT COPY.exe

description	pid	process	target process
PID 1220 set thread context of 1832	1220	BL DRAFT COPY.exe	BL DRAFT COPY.exe

pid	process
1408	schtasks.exe

pid	process
1220	BL DRAFT COPY.exe
1832	BL DRAFT COPY.exe
1832	BL DRAFT COPY.exe

description	pid	process
Token: SeDebugPrivilege	1220	BL DRAFT COPY.exe
Token: SeDebugPrivilege	1832	BL DRAFT COPY.exe

pid	process
1832	BL DRAFT COPY.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

BL DRAFT COPY.exe

description	pid	process	target process
PID 1220 wrote to memory of 1408	1220	BL DRAFT COPY.exe	schtasks.exe
PID 1220 wrote to memory of 1408	1220	BL DRAFT COPY.exe	schtasks.exe
PID 1220 wrote to memory of 1408	1220	BL DRAFT COPY.exe	schtasks.exe
PID 1220 wrote to memory of 1408	1220	BL DRAFT COPY.exe	schtasks.exe
PID 1220 wrote to memory of 1832	1220	BL DRAFT COPY.exe	BL DRAFT COPY.exe
PID 1220 wrote to memory of 1832	1220	BL DRAFT COPY.exe	BL DRAFT COPY.exe
PID 1220 wrote to memory of 1832	1220	BL DRAFT COPY.exe	BL DRAFT COPY.exe
PID 1220 wrote to memory of 1832	1220	BL DRAFT COPY.exe	BL DRAFT COPY.exe
PID 1220 wrote to memory of 1832	1220	BL DRAFT COPY.exe	BL DRAFT COPY.exe
PID 1220 wrote to memory of 1832	1220	BL DRAFT COPY.exe	BL DRAFT COPY.exe
PID 1220 wrote to memory of 1832	1220	BL DRAFT COPY.exe	BL DRAFT COPY.exe
PID 1220 wrote to memory of 1832	1220	BL DRAFT COPY.exe	BL DRAFT COPY.exe
PID 1220 wrote to memory of 1832	1220	BL DRAFT COPY.exe	BL DRAFT COPY.exe

outlook_office_path 1 IoCs

Processes:

BL DRAFT COPY.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL DRAFT COPY.exe

outlook_win_path 1 IoCs

Processes:

BL DRAFT COPY.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BL DRAFT COPY.exe

C:\Users\Admin\AppData\Local\Temp\BL DRAFT COPY.exe
"C:\Users\Admin\AppData\Local\Temp\BL DRAFT COPY.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1220

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YHKJxhNg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4827.tmp"
2⤵
- Creates scheduled task(s)
PID:1408

C:\Users\Admin\AppData\Local\Temp\BL DRAFT COPY.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1832

MITRE ATT&CK Enterprise 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

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4827.tmp
MD5
212f38055d5238bd1dff52dc69336fd4

SHA1
703abe73b6319b616ece4d9a34e9dce66a775ab6

SHA256
2ee45caa907c1be81d6b7dda7b3dd819dd96a4a75f292782fda01cd6d1563333

SHA512
0035843dafc54fa2d1cb39f48d8f76f8709c13ab29bfa4396a0a6e4ed7ced1f18db5e3a32616959fcc177b46062631bdd323bd82c7a50aba5eae168067879fd3

Download Submit
memory/1220-55-0x00000000010E0000-0x00000000010E1000-memory.dmp

Filesize
4KB

Download
memory/1220-57-0x0000000004E80000-0x0000000004E81000-memory.dmp

Filesize
4KB

Download
memory/1220-58-0x0000000000320000-0x0000000000325000-memory.dmp

Filesize
20KB

Download
memory/1220-59-0x0000000004D00000-0x0000000004D7C000-memory.dmp

Filesize
496KB

Download
memory/1220-60-0x0000000000A80000-0x0000000000AB8000-memory.dmp

Filesize
224KB

Download
memory/1408-61-0x0000000000000000-mapping.dmp

Download
memory/1832-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1832-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1832-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1832-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1832-68-0x00000000004374BE-mapping.dmp

Download
memory/1832-67-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1832-69-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1832-71-0x0000000001050000-0x0000000001051000-memory.dmp

Filesize
4KB

Download
memory/1832-72-0x0000000001051000-0x0000000001052000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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