agenttesla | 1bb76901f992100d6b323a70b3324f4850aea1d069c3d956f344de94d93ebc33

Analysis

max time kernel
119s
max time network
126s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
01/11/2023, 13:02

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General

Target

bee4228379337219946d60655bfa9341.exe
Size

737KB
MD5

bee4228379337219946d60655bfa9341
SHA1

9cc3d9f6b31732f5a64a2f377ac804a0fa1ae8d5
SHA256

58e573b3f5001e4f262f0f56cc08391390a10e9fedd7e46b054c3a6197991b32
SHA512

84e1c0f9a05e2b6aa89f3f41264aede14dff576aac02538607a2b5c567154015e1a54e7236c5a682523339e42ec96eb47169749e5b038b431807ffa1fd23904c
SSDEEP

12288:Er2iNyOe42KMu/N3mWhQmwmJCMpUGv7ohmT/w7AWwSznMwFXhxJiIfc0Hvtg6zci:m1wOV/NOafv7o/gSHhxhfZJzcY

Score

10^/10

agenttesla zgrat collection keylogger rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.gvmglobal.org
Port:
587
Username:
[email protected]
Password:
Gcsupi@140
Email To:
[email protected]

Signatures

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

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral5/memory/1956-7-0x0000000007C70000-0x0000000007CDA000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
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
T1552.001
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-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bee4228379337219946d60655bfa9341.exe
Key opened	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bee4228379337219946d60655bfa9341.exe
Key opened	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bee4228379337219946d60655bfa9341.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1956 set thread context of 2528	1956	bee4228379337219946d60655bfa9341.exe	35

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
1456	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1956	bee4228379337219946d60655bfa9341.exe
1956	bee4228379337219946d60655bfa9341.exe
676	powershell.exe
2528	bee4228379337219946d60655bfa9341.exe
2528	bee4228379337219946d60655bfa9341.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1956	bee4228379337219946d60655bfa9341.exe
Token: SeDebugPrivilege	2528	bee4228379337219946d60655bfa9341.exe
Token: SeDebugPrivilege	676	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 676	1956	bee4228379337219946d60655bfa9341.exe	30
PID 1956 wrote to memory of 676	1956	bee4228379337219946d60655bfa9341.exe	30
PID 1956 wrote to memory of 676	1956	bee4228379337219946d60655bfa9341.exe	30
PID 1956 wrote to memory of 676	1956	bee4228379337219946d60655bfa9341.exe	30
PID 1956 wrote to memory of 1456	1956	bee4228379337219946d60655bfa9341.exe	32
PID 1956 wrote to memory of 1456	1956	bee4228379337219946d60655bfa9341.exe	32
PID 1956 wrote to memory of 1456	1956	bee4228379337219946d60655bfa9341.exe	32
PID 1956 wrote to memory of 1456	1956	bee4228379337219946d60655bfa9341.exe	32
PID 1956 wrote to memory of 2496	1956	bee4228379337219946d60655bfa9341.exe	34
PID 1956 wrote to memory of 2496	1956	bee4228379337219946d60655bfa9341.exe	34
PID 1956 wrote to memory of 2496	1956	bee4228379337219946d60655bfa9341.exe	34
PID 1956 wrote to memory of 2496	1956	bee4228379337219946d60655bfa9341.exe	34
PID 1956 wrote to memory of 2528	1956	bee4228379337219946d60655bfa9341.exe	35
PID 1956 wrote to memory of 2528	1956	bee4228379337219946d60655bfa9341.exe	35
PID 1956 wrote to memory of 2528	1956	bee4228379337219946d60655bfa9341.exe	35
PID 1956 wrote to memory of 2528	1956	bee4228379337219946d60655bfa9341.exe	35
PID 1956 wrote to memory of 2528	1956	bee4228379337219946d60655bfa9341.exe	35
PID 1956 wrote to memory of 2528	1956	bee4228379337219946d60655bfa9341.exe	35
PID 1956 wrote to memory of 2528	1956	bee4228379337219946d60655bfa9341.exe	35
PID 1956 wrote to memory of 2528	1956	bee4228379337219946d60655bfa9341.exe	35
PID 1956 wrote to memory of 2528	1956	bee4228379337219946d60655bfa9341.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bee4228379337219946d60655bfa9341.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bee4228379337219946d60655bfa9341.exe

C:\Users\Admin\AppData\Local\Temp\bee4228379337219946d60655bfa9341.exe
"C:\Users\Admin\AppData\Local\Temp\bee4228379337219946d60655bfa9341.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YklfOO.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:676
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YklfOO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp33EC.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1456
- C:\Users\Admin\AppData\Local\Temp\bee4228379337219946d60655bfa9341.exe
  "C:\Users\Admin\AppData\Local\Temp\bee4228379337219946d60655bfa9341.exe"
  2⤵
  PID:2496
- C:\Users\Admin\AppData\Local\Temp\bee4228379337219946d60655bfa9341.exe
  "C:\Users\Admin\AppData\Local\Temp\bee4228379337219946d60655bfa9341.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2528

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

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp33EC.tmp

Filesize
1KB

MD5
83f3f219735799cb43723f3aa85dfeac

SHA1
bbcfdb80126990ac38b571aba4714d9c02c51f08

SHA256
0d9df695e7257126193c7d03437a998d51efc16c271b5c73c28fa5a981748595

SHA512
110b5f4e259c650512c39981ea54051b9e52832c5409572bcca98dd711bcf9fd8ac9ed3c6cfd21d307eb7731f54a8891cc722ca9bcb29fc3e50f0ee6c66bfa38

Download Submit
memory/676-34-0x0000000002580000-0x00000000025C0000-memory.dmp

Filesize
256KB

Download
memory/676-32-0x0000000002580000-0x00000000025C0000-memory.dmp

Filesize
256KB

Download
memory/676-29-0x000000006D8D0000-0x000000006DE7B000-memory.dmp

Filesize
5.7MB

Download
memory/676-33-0x0000000002580000-0x00000000025C0000-memory.dmp

Filesize
256KB

Download
memory/676-28-0x000000006D8D0000-0x000000006DE7B000-memory.dmp

Filesize
5.7MB

Download
memory/676-35-0x000000006D8D0000-0x000000006DE7B000-memory.dmp

Filesize
5.7MB

Download
memory/1956-2-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

Filesize
256KB

Download
memory/1956-6-0x0000000000380000-0x000000000038C000-memory.dmp

Filesize
48KB

Download
memory/1956-15-0x0000000004EB0000-0x0000000004EE4000-memory.dmp

Filesize
208KB

Download
memory/1956-1-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/1956-7-0x0000000007C70000-0x0000000007CDA000-memory.dmp

Filesize
424KB

Download
memory/1956-5-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

Filesize
256KB

Download
memory/1956-4-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/1956-0-0x0000000000B60000-0x0000000000C1E000-memory.dmp

Filesize
760KB

Download
memory/1956-3-0x0000000000B30000-0x0000000000B42000-memory.dmp

Filesize
72KB

Download
memory/1956-27-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2528-22-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2528-24-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2528-26-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2528-30-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-18-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2528-19-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2528-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2528-31-0x0000000005080000-0x00000000050C0000-memory.dmp

Filesize
256KB

Download
memory/2528-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2528-36-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-37-0x0000000005080000-0x00000000050C0000-memory.dmp

Filesize
256KB

Download