agenttesla | 18fcb8604dc88c010d786be917f618a461876f5db6f80f1f8a64bc3b8fe48a98

Resubmissions

24-07-2023 06:32

230724-haylwaag65 10

16-07-2023 18:15

230716-wwbacshb7z 10

Analysis

max time kernel
109s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
24-07-2023 06:32

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General

Target

1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
Size

788KB
MD5

ca6d30a939bf00eaf7a43f4934a0ab6f
SHA1

11fa35bc832f707f2dfd9474a1ca6fe129510a91
SHA256

1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1
SHA512

c719cd814849fe4b1da5d3ae5f04c002b8f100a6923a880bd71a8c4e5ae4d02faac99f8ed33e02de8199858bf3b016463b8bfcc4b774fd37533e73ddbd35ad85
SSDEEP

12288:bOLg1O1q9I6/kldSCGDysmYN/1uXaj63uANpyqHsbwod+ik4g8y3SoD:bOE1OOPWsmYxutXusrEloD

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.qnm.sg
Port:
587
Username:
[email protected]
Password:
qandmshuqing1!

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.qnm.sg
Port:
587
Username:
[email protected]
Password:
qandmshuqing1!

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral12/memory/4500-143-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Control Panel\International\Geo\Nation	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1712 set thread context of 4500	1712	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	103

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job

T1053

pid	Process
748	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1712	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
1712	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
4500	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
4500	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1712	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
Token: SeDebugPrivilege	4500	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 748	1712	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	100
PID 1712 wrote to memory of 748	1712	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	100
PID 1712 wrote to memory of 748	1712	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	100
PID 1712 wrote to memory of 1848	1712	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	102
PID 1712 wrote to memory of 1848	1712	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	102
PID 1712 wrote to memory of 1848	1712	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	102
PID 1712 wrote to memory of 4500	1712	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	103
PID 1712 wrote to memory of 4500	1712	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	103
PID 1712 wrote to memory of 4500	1712	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	103
PID 1712 wrote to memory of 4500	1712	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	103
PID 1712 wrote to memory of 4500	1712	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	103
PID 1712 wrote to memory of 4500	1712	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	103
PID 1712 wrote to memory of 4500	1712	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	103
PID 1712 wrote to memory of 4500	1712	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	103

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe

C:\Users\Admin\AppData\Local\Temp\1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
"C:\Users\Admin\AppData\Local\Temp\1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gOSdvw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF567.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:748
- C:\Users\Admin\AppData\Local\Temp\1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
  "{path}"
  2⤵
  PID:1848
- C:\Users\Admin\AppData\Local\Temp\1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe.log

Filesize
507B

MD5
ab4c71d3ff6255edd4e5c1e09540f49e

SHA1
22e06bf4e258741b5df918061871cba998c50cea

SHA256
1690fec628f775dd3c3385b800eed126b37978ef2ffd592b024052724caafb5a

SHA512
8fa7d0045796e6cda7c28e2b9a690ef550619828c1b5d0ebf8e8367aff4bf4d9f63121e5b4f199d30cb8006eb584c6767f4c59150749b8256dab9dd0ebd9f1af

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF567.tmp

Filesize
1KB

MD5
0457683a354730419718c7ee84d7988e

SHA1
54fce05a1aa24d748d15371630c716b5e889fc53

SHA256
7360c535cd417d2cf03fba10fd01e0882cd5b6a767e9acf89978dd8b5516e743

SHA512
8d87ba6036de24e61b30d9a4cf798dcebb57bf931e3a2dd450a38400d3c6a764e76c2a54d0c275044192e2314e198ea8f240062b0c0ef3bc0f57c9b1e41ac8e7

Download Submit
memory/1712-146-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/1712-133-0x00000000008C0000-0x000000000098C000-memory.dmp

Filesize
816KB

Download
memory/1712-135-0x0000000005330000-0x00000000053CC000-memory.dmp

Filesize
624KB

Download
memory/1712-136-0x00000000054D0000-0x0000000005562000-memory.dmp

Filesize
584KB

Download
memory/1712-137-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/1712-138-0x00000000054C0000-0x00000000054D0000-memory.dmp

Filesize
64KB

Download
memory/1712-139-0x00000000060E0000-0x0000000006684000-memory.dmp

Filesize
5.6MB

Download
memory/1712-134-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/4500-143-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4500-147-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/4500-148-0x0000000005570000-0x0000000005580000-memory.dmp

Filesize
64KB

Download
memory/4500-149-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/4500-150-0x0000000005570000-0x0000000005580000-memory.dmp

Filesize
64KB

Download
memory/4500-151-0x0000000006330000-0x0000000006396000-memory.dmp

Filesize
408KB

Download
memory/4500-152-0x0000000006930000-0x0000000006980000-memory.dmp

Filesize
320KB

Download
memory/4500-153-0x00000000068B0000-0x00000000068BA000-memory.dmp

Filesize
40KB

Download