agenttesla | 22fe993d3d069bbd257db91dd0bc76cffabc3a67ac535e0cadc7e58649f78f49

General

Target

Scan_0366926812023.exe
Size

694KB
MD5

964b7d4d87d7b3e0399164197d8d32f1
SHA1

48128fb0758e9c9ae80f5c3d3f4a3a51798b3431
SHA256

22fe993d3d069bbd257db91dd0bc76cffabc3a67ac535e0cadc7e58649f78f49
SHA512

5d151b87eca87a148dd025a0c4e87ba02bd82842b04666bff7b7ce92fbd65fc17f597343adc5ea75439aaf15fbf50e72c586f44efab995b369dd9ae1e0ad07de
SSDEEP

12288:w3IU8S6eUd62pBI/NlGlPm5ITCIRMfiEw53QL+W5RlnVS7ga6k5:OItSAd62pZlRXRMfGV0+W5C5

Score

10^/10

agenttesla zgrat collection keylogger rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.wrklearning.com
Port:
587
Username:
[email protected]
Password:
worke2300
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
behavioral1/memory/2988-3-0x0000000000670000-0x0000000000688000-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-1-5-21-1514849007-2165033493-4114354048-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Scan_0366926812023.exe
Key opened	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Scan_0366926812023.exe
Key opened	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Scan_0366926812023.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
3	api.ipify.org
2	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2988 set thread context of 2864	2988	Scan_0366926812023.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
2820	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2864	Scan_0366926812023.exe
2864	Scan_0366926812023.exe
2692	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2864	Scan_0366926812023.exe
Token: SeDebugPrivilege	2692	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 2692	2988	Scan_0366926812023.exe	28
PID 2988 wrote to memory of 2692	2988	Scan_0366926812023.exe	28
PID 2988 wrote to memory of 2692	2988	Scan_0366926812023.exe	28
PID 2988 wrote to memory of 2692	2988	Scan_0366926812023.exe	28
PID 2988 wrote to memory of 2820	2988	Scan_0366926812023.exe	30
PID 2988 wrote to memory of 2820	2988	Scan_0366926812023.exe	30
PID 2988 wrote to memory of 2820	2988	Scan_0366926812023.exe	30
PID 2988 wrote to memory of 2820	2988	Scan_0366926812023.exe	30
PID 2988 wrote to memory of 2864	2988	Scan_0366926812023.exe	32
PID 2988 wrote to memory of 2864	2988	Scan_0366926812023.exe	32
PID 2988 wrote to memory of 2864	2988	Scan_0366926812023.exe	32
PID 2988 wrote to memory of 2864	2988	Scan_0366926812023.exe	32
PID 2988 wrote to memory of 2864	2988	Scan_0366926812023.exe	32
PID 2988 wrote to memory of 2864	2988	Scan_0366926812023.exe	32
PID 2988 wrote to memory of 2864	2988	Scan_0366926812023.exe	32
PID 2988 wrote to memory of 2864	2988	Scan_0366926812023.exe	32
PID 2988 wrote to memory of 2864	2988	Scan_0366926812023.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Scan_0366926812023.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Scan_0366926812023.exe

C:\Users\Admin\AppData\Local\Temp\Scan_0366926812023.exe
"C:\Users\Admin\AppData\Local\Temp\Scan_0366926812023.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FQlHsVTvVqkAaa.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2692
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FQlHsVTvVqkAaa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp46D0.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2820
- C:\Users\Admin\AppData\Local\Temp\Scan_0366926812023.exe
  "C:\Users\Admin\AppData\Local\Temp\Scan_0366926812023.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp46D0.tmp

Filesize
1KB

MD5
5d03678dc6f9d74420d8d47fd3757686

SHA1
729b454b8b2aa0da580479429a4567d3c45cd85d

SHA256
a06336dac1397147cc5c8b2359843bedd727aeb5b6ceaed1235f031e2db0f0e7

SHA512
f1713031cc944aea5cd601466162187659478ceccde698aaee00a4181f0ce8f245a66c606ac1e324de2d1198d040753b9222d310585351d8bedb3ca14ebab600

Download Submit
memory/2692-34-0x000000006E4E0000-0x000000006EA8B000-memory.dmp

Filesize
5.7MB

Download
memory/2692-33-0x00000000029D0000-0x0000000002A10000-memory.dmp

Filesize
256KB

Download
memory/2692-31-0x00000000029D0000-0x0000000002A10000-memory.dmp

Filesize
256KB

Download
memory/2692-29-0x000000006E4E0000-0x000000006EA8B000-memory.dmp

Filesize
5.7MB

Download
memory/2692-28-0x00000000029D0000-0x0000000002A10000-memory.dmp

Filesize
256KB

Download
memory/2692-27-0x000000006E4E0000-0x000000006EA8B000-memory.dmp

Filesize
5.7MB

Download
memory/2864-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2864-30-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

Filesize
256KB

Download
memory/2864-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2864-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2864-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2864-35-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2864-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2864-32-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2864-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2864-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2864-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2988-5-0x0000000000920000-0x000000000092A000-memory.dmp

Filesize
40KB

Download
memory/2988-4-0x0000000000650000-0x0000000000658000-memory.dmp

Filesize
32KB

Download
memory/2988-6-0x0000000000310000-0x000000000038C000-memory.dmp

Filesize
496KB

Download
memory/2988-3-0x0000000000670000-0x0000000000688000-memory.dmp

Filesize
96KB

Download
memory/2988-2-0x00000000011D0000-0x0000000001210000-memory.dmp

Filesize
256KB

Download
memory/2988-23-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2988-1-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2988-0-0x0000000001330000-0x00000000013E4000-memory.dmp

Filesize
720KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads