agenttesla | 887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6

General

Target

887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe
Size

818KB
MD5

ea046995fae362aca9e45a8374b2e7d3
SHA1

220030086ea9c40d840904ee914fce760355313a
SHA256

887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6
SHA512

fc5fc4d4ba627d5503bf162c7ea0b86379be979badf27950449ee7ae6552b14ad7b170a567feaca8b6a1c98c404e399651d1fec7e4d0330161ec436b940c5deb
SSDEEP

12288:LOfIO8DfgZCZtoym2Tm9I+M4AszKlF5+YZ4sEu9neODY72eM9lOR7rCThUa+e1+:LOkfpOFM4TKQyxetMCRvE+p

Score

10^/10

agenttesla discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.starmech.net
Port:
587
Username:
[email protected]
Password:
nics123
Email To:
[email protected]

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1804	powershell.exe
2696	powershell.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	RegSvcs.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 2400 set thread context of 2848	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	36

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2796	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe
1804	powershell.exe
2696	powershell.exe
2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe
2848	RegSvcs.exe
2848	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe
Token: SeDebugPrivilege	1804	powershell.exe
Token: SeDebugPrivilege	2696	powershell.exe
Token: SeDebugPrivilege	2848	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2848	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 1804	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	30
PID 2400 wrote to memory of 1804	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	30
PID 2400 wrote to memory of 1804	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	30
PID 2400 wrote to memory of 1804	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	30
PID 2400 wrote to memory of 2696	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	32
PID 2400 wrote to memory of 2696	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	32
PID 2400 wrote to memory of 2696	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	32
PID 2400 wrote to memory of 2696	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	32
PID 2400 wrote to memory of 2796	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	34
PID 2400 wrote to memory of 2796	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	34
PID 2400 wrote to memory of 2796	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	34
PID 2400 wrote to memory of 2796	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	34
PID 2400 wrote to memory of 2848	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	36
PID 2400 wrote to memory of 2848	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	36
PID 2400 wrote to memory of 2848	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	36
PID 2400 wrote to memory of 2848	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	36
PID 2400 wrote to memory of 2848	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	36
PID 2400 wrote to memory of 2848	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	36
PID 2400 wrote to memory of 2848	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	36
PID 2400 wrote to memory of 2848	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	36
PID 2400 wrote to memory of 2848	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	36
PID 2400 wrote to memory of 2848	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	36
PID 2400 wrote to memory of 2848	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	36
PID 2400 wrote to memory of 2848	2400	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	36

C:\Users\Admin\AppData\Local\Temp\887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe
"C:\Users\Admin\AppData\Local\Temp\887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1804
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fxdUmOSelzT.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2696
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fxdUmOSelzT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBBA1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2796
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpBBA1.tmp

Filesize
1KB

MD5
04513955f21f8818388121e747600558

SHA1
db44a53d689d0fa36337cd1cd27ca0c2023b160e

SHA256
8badd97bde215c330753394121bc306b28257e253714377854be5b7ea7e2dff6

SHA512
2b1bc5e7dee31ea1524c611aba624bb669a2f28739519387de0582eef7b7b5f8fae2112534365a07f558f73da3be63d79c33148440654ab79cd20785fd9c3edf

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
f2a1c4dc5301f562c29f61d58470f67e

SHA1
0b90afd90883b723e30a1c698060e61fd2bab423

SHA256
d9214aa65e9d23742635960b19017c66127d9ff68611a86343df36a8c23e77b5

SHA512
7de6b03365fe13cc76d825c6d11b07bcc0a971b4f0b7d567138b8e52ad536702b7d7ec9fcefe3f60445df2900e16d9f65d7f4a033ba5e8ff8e2425746aae5c4d

Download Submit
memory/2400-4-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/2400-32-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/2400-5-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-6-0x0000000000540000-0x00000000005C6000-memory.dmp

Filesize
536KB

Download
memory/2400-2-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-1-0x0000000001210000-0x00000000012E2000-memory.dmp

Filesize
840KB

Download
memory/2400-3-0x0000000000360000-0x0000000000386000-memory.dmp

Filesize
152KB

Download
memory/2848-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads