agenttesla | 18fcb8604dc88c010d786be917f618a461876f5db6f80f1f8a64bc3b8fe48a98

Resubmissions

24/07/2023, 06:32

230724-haylwaag65 10

16/07/2023, 18:15

230716-wwbacshb7z 10

Analysis

max time kernel
126s
max time network
156s
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

1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe
Size

1.1MB
MD5

f69261837f9da67ec44f9162d322b7ba
SHA1

953f07ea48032eab7dbfb0ba4eb27c323678694e
SHA256

1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf
SHA512

ae982649b499c4a779d304c77db55ffce2da2b5ef0618ff9b32e640edcb5e892bbd8bedfada32a51449f245a4f566bcb7e98c7e40672863dda52a3a1ec8026c7
SSDEEP

12288:ZuN51q9I6/kldSCGDyaod+ik4g8y3SoDOqvFR/CFFeY+qwBzn5D8:ZuN5OPW2rEloDOqvCFFdcv

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.bosut.mk
Port:
587
Username:
[email protected]
Password:
0XsKEemhd6EE

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
behavioral6/memory/4236-147-0x0000000000400000-0x000000000044A000-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-1-5-21-618519468-4027732583-1827558364-1000\Control Panel\International\Geo\Nation	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5004 set thread context of 4236	5004	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.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
4136	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4236	RegSvcs.exe
4236	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4236	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4236	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 4136	5004	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	101
PID 5004 wrote to memory of 4136	5004	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	101
PID 5004 wrote to memory of 4136	5004	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	101
PID 5004 wrote to memory of 4236	5004	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	103
PID 5004 wrote to memory of 4236	5004	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	103
PID 5004 wrote to memory of 4236	5004	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	103
PID 5004 wrote to memory of 4236	5004	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	103
PID 5004 wrote to memory of 4236	5004	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	103
PID 5004 wrote to memory of 4236	5004	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	103
PID 5004 wrote to memory of 4236	5004	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	103
PID 5004 wrote to memory of 4236	5004	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	103

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe
"C:\Users\Admin\AppData\Local\Temp\1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5004
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fxgSPTGiVwGP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEDF5.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4136
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:4236

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

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpEDF5.tmp

Filesize
1KB

MD5
cece2b2a31f35ee27a76e9d7c3b51bdd

SHA1
f06b94b909f15ded65dd305dd53312db288e35fb

SHA256
cc44026978d84e6b507147ee224364cb1f59f62c34aeb332d1640a99e9340ff0

SHA512
fe7c0b3e27dbae19ba195a56f15660d929c6f7e7fb234611697e85dc359027ccd66b314a7f27f4b027a988e459e3130bc43bac7f1d9606700c15b16fd6f5b20d

Download Submit
memory/4236-151-0x0000000005190000-0x00000000051A0000-memory.dmp

Filesize
64KB

Download
memory/4236-153-0x0000000005190000-0x00000000051A0000-memory.dmp

Filesize
64KB

Download
memory/4236-156-0x0000000006770000-0x000000000677A000-memory.dmp

Filesize
40KB

Download
memory/4236-155-0x00000000066F0000-0x0000000006740000-memory.dmp

Filesize
320KB

Download
memory/4236-154-0x0000000006100000-0x0000000006166000-memory.dmp

Filesize
408KB

Download
memory/4236-152-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/4236-147-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4236-150-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/5004-138-0x0000000005080000-0x000000000511C000-memory.dmp

Filesize
624KB

Download
memory/5004-137-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/5004-143-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

Filesize
64KB

Download
memory/5004-136-0x00000000006A0000-0x00000000007C8000-memory.dmp

Filesize
1.2MB

Download
memory/5004-142-0x0000000005DE0000-0x0000000006384000-memory.dmp

Filesize
5.6MB

Download
memory/5004-149-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/5004-141-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

Filesize
64KB

Download
memory/5004-140-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/5004-139-0x0000000005120000-0x00000000051B2000-memory.dmp

Filesize
584KB

Download