agenttesla | acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb | Triage

Analysis

max time kernel
167s
max time network
174s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2022 08:56

Sharing

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General

Target

acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
Size

417KB
MD5

e137f2deb74a16a25a82475adc363dc0
SHA1

d86972c462941a7181eb79071f22a921f6333cc5
SHA256

acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb
SHA512

6cef8d6814ee886c2ab117b69b6bd7aa495382c7f6ca283811987aaffa827f0ff0da8d38541845b3b4f9dcc756cbda8830e47d883ecde6ba7d34757d70e04cde
SSDEEP

6144:Q61a5zM7FUJWHYdj75/c8s7ZMNM/GOASSAKG5x6trlICIkRPf1oFeDsUH:appJ5dxk8kCSFASRL5x6llekR31o

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.perfectgenerators.com
Port:
587
Username:
dispatch.lko@perfectgenerators.com
Password:
Dispatch@78

Signatures

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

AgentTesla payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4336-137-0x0000000000400000-0x000000000044C000-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

Email Collection

Processes:

acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

description	pid	process	target process
PID 1500 set thread context of 4336	1500	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

pid	process
4336	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
4336	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

description pid process

Token: SeDebugPrivilege 4336 acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

description	pid	process	target process
PID 1500 wrote to memory of 4336	1500	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
PID 1500 wrote to memory of 4336	1500	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
PID 1500 wrote to memory of 4336	1500	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
PID 1500 wrote to memory of 4336	1500	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
PID 1500 wrote to memory of 4336	1500	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
PID 1500 wrote to memory of 4336	1500	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
PID 1500 wrote to memory of 4336	1500	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
PID 1500 wrote to memory of 4336	1500	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

outlook_office_path 1 IoCs

Processes:

acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

outlook_win_path 1 IoCs

Processes:

acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe

C:\Users\Admin\AppData\Local\Temp\acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
"C:\Users\Admin\AppData\Local\Temp\acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1500

C:\Users\Admin\AppData\Local\Temp\acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe
"C:\Users\Admin\AppData\Local\Temp\acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4336

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\acbf2b2b7a84e5d95808b2dae14e3668309c548bfabe7b01c1ea7a6baacd9eeb.exe.log
Filesize
504B

MD5
523d4a942eeefe36954e59f42d25548b

SHA1
4e217d8880101b0375d53ca58c3949f149eee9e6

SHA256
bd70c12b7c126b0c581632eb7835eb4f4b05a11e32d3cbc5ac9a98558e5c33af

SHA512
c64f160b74ce4de9bd50d1ee6a9d6abf98c091701d72e88d81df7c8969a9ffdd3a46c97e754e9d5c55f11bc86027076bd5e8e33c2f51915081b39cc00e91d993

Download Submit
memory/1500-132-0x00000000004E0000-0x000000000054E000-memory.dmp

Filesize
440KB

Download
memory/1500-133-0x0000000004F10000-0x0000000004FA2000-memory.dmp

Filesize
584KB

Download
memory/1500-134-0x0000000005470000-0x000000000550C000-memory.dmp

Filesize
624KB

Download
memory/1500-135-0x0000000005780000-0x00000000057E6000-memory.dmp

Filesize
408KB

Download
memory/4336-136-0x0000000000000000-mapping.dmp

Download
memory/4336-137-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4336-139-0x0000000005F30000-0x00000000064D4000-memory.dmp

Filesize
5.6MB

Download
memory/4336-140-0x0000000006B80000-0x0000000006B8A000-memory.dmp

Filesize
40KB

Download