agenttesla | 308bba46bfcb12039b06105bef71afccd82acb7df7658a8a4497c1955c67ee5d

General

Target

4e4c359c0e36f7e5b3dc44af663ceff5.exe
Size

670KB
MD5

4e4c359c0e36f7e5b3dc44af663ceff5
SHA1

365bfd8d57b3d126091d178b36d75b2e5d9ca1d5
SHA256

308bba46bfcb12039b06105bef71afccd82acb7df7658a8a4497c1955c67ee5d
SHA512

349a4407f9a054b48def071aef89183ac33930f295d1973667b79b114c8fb641960f4c3bcfdc61d7502fbbe3aeed4d1bee7d86a06aa307af2bead24fcad84eb2
SSDEEP

12288:eiMiSAx5PWPQmHUefOX0LGPc+oFECnGVUsHXg7c+aT7PMYmx9Nth6FV1:eiM7Ax5uPZ0efXK0TOVPwNgxmx956t

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
jCXzqcP1 daniel 3116
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4e4c359c0e36f7e5b3dc44af663ceff5.exe
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4e4c359c0e36f7e5b3dc44af663ceff5.exe
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4e4c359c0e36f7e5b3dc44af663ceff5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\amnPsb = "C:\\Users\\Admin\\AppData\\Roaming\\amnPsb\\amnPsb.exe"	4e4c359c0e36f7e5b3dc44af663ceff5.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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1956 set thread context of 2044	1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe	34

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
1156	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe
1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe
2044	4e4c359c0e36f7e5b3dc44af663ceff5.exe
2044	4e4c359c0e36f7e5b3dc44af663ceff5.exe
2612	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe
Token: SeDebugPrivilege	2044	4e4c359c0e36f7e5b3dc44af663ceff5.exe
Token: SeDebugPrivilege	2612	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2612	1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe	30
PID 1956 wrote to memory of 2612	1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe	30
PID 1956 wrote to memory of 2612	1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe	30
PID 1956 wrote to memory of 2612	1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe	30
PID 1956 wrote to memory of 1156	1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe	31
PID 1956 wrote to memory of 1156	1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe	31
PID 1956 wrote to memory of 1156	1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe	31
PID 1956 wrote to memory of 1156	1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe	31
PID 1956 wrote to memory of 2044	1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe	34
PID 1956 wrote to memory of 2044	1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe	34
PID 1956 wrote to memory of 2044	1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe	34
PID 1956 wrote to memory of 2044	1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe	34
PID 1956 wrote to memory of 2044	1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe	34
PID 1956 wrote to memory of 2044	1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe	34
PID 1956 wrote to memory of 2044	1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe	34
PID 1956 wrote to memory of 2044	1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe	34
PID 1956 wrote to memory of 2044	1956	4e4c359c0e36f7e5b3dc44af663ceff5.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4e4c359c0e36f7e5b3dc44af663ceff5.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4e4c359c0e36f7e5b3dc44af663ceff5.exe

C:\Users\Admin\AppData\Local\Temp\4e4c359c0e36f7e5b3dc44af663ceff5.exe
"C:\Users\Admin\AppData\Local\Temp\4e4c359c0e36f7e5b3dc44af663ceff5.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\cikokE.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2612
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cikokE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFB7E.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1156
- C:\Users\Admin\AppData\Local\Temp\4e4c359c0e36f7e5b3dc44af663ceff5.exe
  "C:\Users\Admin\AppData\Local\Temp\4e4c359c0e36f7e5b3dc44af663ceff5.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

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\tmpFB7E.tmp

Filesize
1KB

MD5
4c5dd3540e5a6188bb8261a218d4ee46

SHA1
35973ef7557a829fb0bd08a38d82d18872bd28da

SHA256
dac654a8984ce659509db5bcd5e21a37550f774da8b39c2577acd256cb314a65

SHA512
4faeb20b3445e1f6b8f50e2fbd38320e2d10262c98fe258125e09a4ce19ee2ca3b4115e222c7ea406aabbcf34ce4f743611896dfc33e6893c69dea8d736821c7

Download Submit
memory/1956-0-0x0000000000A60000-0x0000000000B0E000-memory.dmp

Filesize
696KB

Download
memory/1956-1-0x00000000740D0000-0x00000000747BE000-memory.dmp

Filesize
6.9MB

Download
memory/1956-2-0x0000000004DD0000-0x0000000004E10000-memory.dmp

Filesize
256KB

Download
memory/1956-3-0x0000000000390000-0x00000000003A2000-memory.dmp

Filesize
72KB

Download
memory/1956-4-0x00000000740D0000-0x00000000747BE000-memory.dmp

Filesize
6.9MB

Download
memory/1956-5-0x0000000004DD0000-0x0000000004E10000-memory.dmp

Filesize
256KB

Download
memory/1956-6-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1956-7-0x0000000000420000-0x000000000042C000-memory.dmp

Filesize
48KB

Download
memory/1956-8-0x00000000051E0000-0x000000000525C000-memory.dmp

Filesize
496KB

Download
memory/1956-32-0x00000000740D0000-0x00000000747BE000-memory.dmp

Filesize
6.9MB

Download
memory/2044-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2044-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2044-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2044-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2044-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2044-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2044-40-0x0000000004B40000-0x0000000004B80000-memory.dmp

Filesize
256KB

Download
memory/2044-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2044-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2044-39-0x00000000740D0000-0x00000000747BE000-memory.dmp

Filesize
6.9MB

Download
memory/2044-36-0x0000000004B40000-0x0000000004B80000-memory.dmp

Filesize
256KB

Download
memory/2044-35-0x00000000740D0000-0x00000000747BE000-memory.dmp

Filesize
6.9MB

Download
memory/2612-34-0x00000000003D0000-0x0000000000410000-memory.dmp

Filesize
256KB

Download
memory/2612-37-0x000000006E490000-0x000000006EA3B000-memory.dmp

Filesize
5.7MB

Download
memory/2612-33-0x000000006E490000-0x000000006EA3B000-memory.dmp

Filesize
5.7MB

Download
memory/2612-31-0x000000006E490000-0x000000006EA3B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads