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
33s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-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 6 IoCs

resource	yara_rule
behavioral5/memory/2344-68-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral5/memory/2344-69-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral5/memory/2344-72-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral5/memory/2344-75-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral5/memory/2344-77-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral5/memory/2344-81-0x00000000048B0000-0x00000000048F0000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1240 set thread context of 2344	1240	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	32

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
592	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2344	RegSvcs.exe
2344	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2344	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2344	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1240 wrote to memory of 592	1240	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	30
PID 1240 wrote to memory of 592	1240	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	30
PID 1240 wrote to memory of 592	1240	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	30
PID 1240 wrote to memory of 592	1240	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	30
PID 1240 wrote to memory of 2344	1240	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	32
PID 1240 wrote to memory of 2344	1240	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	32
PID 1240 wrote to memory of 2344	1240	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	32
PID 1240 wrote to memory of 2344	1240	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	32
PID 1240 wrote to memory of 2344	1240	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	32
PID 1240 wrote to memory of 2344	1240	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	32
PID 1240 wrote to memory of 2344	1240	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	32
PID 1240 wrote to memory of 2344	1240	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	32
PID 1240 wrote to memory of 2344	1240	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	32
PID 1240 wrote to memory of 2344	1240	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	32
PID 1240 wrote to memory of 2344	1240	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	32
PID 1240 wrote to memory of 2344	1240	1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000\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⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fxgSPTGiVwGP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5C15.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:592
- 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:2344

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

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\tmp5C15.tmp

Filesize
1KB

MD5
7dbb9bee77e32acea8f1351030ad7510

SHA1
d5feb9642758a96018c332e326604b47b2868e58

SHA256
f592bc45d52560308f7e1fecdd2e36a7d0d84fea32c077a518c915112115a294

SHA512
fb9375b9476e1fbd13923872eda4eae3a5bbcd36f340c3d118baa1766b5c5b7eab097c97247192f8a9b5de28abe1de7480b5c8844d51d135ee7d1f33ac5a1d48

Download Submit
memory/1240-54-0x0000000000E80000-0x0000000000FA8000-memory.dmp

Filesize
1.2MB

Download
memory/1240-55-0x0000000074830000-0x0000000074F1E000-memory.dmp

Filesize
6.9MB

Download
memory/1240-56-0x00000000002F0000-0x00000000002FA000-memory.dmp

Filesize
40KB

Download
memory/1240-57-0x0000000074830000-0x0000000074F1E000-memory.dmp

Filesize
6.9MB

Download
memory/1240-58-0x0000000004AF0000-0x0000000004B30000-memory.dmp

Filesize
256KB

Download
memory/1240-59-0x0000000000E10000-0x0000000000E62000-memory.dmp

Filesize
328KB

Download
memory/1240-60-0x0000000004AF0000-0x0000000004B30000-memory.dmp

Filesize
256KB

Download
memory/1240-74-0x0000000074830000-0x0000000074F1E000-memory.dmp

Filesize
6.9MB

Download
memory/2344-68-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2344-66-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2344-69-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2344-70-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2344-72-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2344-64-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2344-75-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2344-77-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2344-78-0x00000000739D0000-0x00000000740BE000-memory.dmp

Filesize
6.9MB

Download
memory/2344-79-0x00000000048B0000-0x00000000048F0000-memory.dmp

Filesize
256KB

Download
memory/2344-80-0x00000000739D0000-0x00000000740BE000-memory.dmp

Filesize
6.9MB

Download
memory/2344-81-0x00000000048B0000-0x00000000048F0000-memory.dmp

Filesize
256KB

Download