agenttesla | 7b39be84d49d7f1c986d881c8c69cfc63e111c983d55106106959c6c1a83667a

General

Target

invoice.exe
Size

744KB
MD5

b0ebd9e6b7db75c09086f8917c7c6fbb
SHA1

7c4f8ce260d37433d15b972e90b8a2f112b8a316
SHA256

6626d5216b21933a5ccca366777e3fa81f6ab20fc642e39713698db5d28792ae
SHA512

3581a18d6f94c76982de58a27b238b4463d1cb7524ba0c121daceb6b607c3bf490b4bd5d6cc47b95d19be6ce6e9dd8eb7ab5e5d918e4703b49d0f9f76331e85d
SSDEEP

12288:oCyu7+JALQsACpMfRsBpdht5EEiT2e2UbeKkEyVTAa+jXUF5C3WUy482jmTMsoBM:m/JAQsLkRCnt5ZdayVTJ+jUFMdmTkM

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
2080	powershell.exe
2284	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-1-5-21-1163522206-1469769407-485553996-1000\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 2260 set thread context of 2880	2260	invoice.exe	37

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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	invoice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2832	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2260	invoice.exe
2080	powershell.exe
2284	powershell.exe
2260	invoice.exe
2880	RegSvcs.exe
2880	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2260	invoice.exe
Token: SeDebugPrivilege	2080	powershell.exe
Token: SeDebugPrivilege	2284	powershell.exe
Token: SeDebugPrivilege	2880	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2880	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 2080	2260	invoice.exe	31
PID 2260 wrote to memory of 2080	2260	invoice.exe	31
PID 2260 wrote to memory of 2080	2260	invoice.exe	31
PID 2260 wrote to memory of 2080	2260	invoice.exe	31
PID 2260 wrote to memory of 2284	2260	invoice.exe	33
PID 2260 wrote to memory of 2284	2260	invoice.exe	33
PID 2260 wrote to memory of 2284	2260	invoice.exe	33
PID 2260 wrote to memory of 2284	2260	invoice.exe	33
PID 2260 wrote to memory of 2832	2260	invoice.exe	34
PID 2260 wrote to memory of 2832	2260	invoice.exe	34
PID 2260 wrote to memory of 2832	2260	invoice.exe	34
PID 2260 wrote to memory of 2832	2260	invoice.exe	34
PID 2260 wrote to memory of 2880	2260	invoice.exe	37
PID 2260 wrote to memory of 2880	2260	invoice.exe	37
PID 2260 wrote to memory of 2880	2260	invoice.exe	37
PID 2260 wrote to memory of 2880	2260	invoice.exe	37
PID 2260 wrote to memory of 2880	2260	invoice.exe	37
PID 2260 wrote to memory of 2880	2260	invoice.exe	37
PID 2260 wrote to memory of 2880	2260	invoice.exe	37
PID 2260 wrote to memory of 2880	2260	invoice.exe	37
PID 2260 wrote to memory of 2880	2260	invoice.exe	37
PID 2260 wrote to memory of 2880	2260	invoice.exe	37
PID 2260 wrote to memory of 2880	2260	invoice.exe	37
PID 2260 wrote to memory of 2880	2260	invoice.exe	37

C:\Users\Admin\AppData\Local\Temp\invoice.exe
"C:\Users\Admin\AppData\Local\Temp\invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2260
- 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\invoice.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2080
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OqFBPytTawh.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2284
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OqFBPytTawh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF7D6.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2832
- 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:2880

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\tmpF7D6.tmp

Filesize
1KB

MD5
10e818ee752c65ddaf5adbaa1e587b62

SHA1
438daced821444d7de1fe342ed7e6d8fc341e3d4

SHA256
eecdacbbdccbfb93212eebde6feb255f078c727cd00e05af49bff8481096ab0a

SHA512
b401383b10faa778bc87fbd70c1b3f915a8463e10f9d60037c121b5108cea0762e09f698c979d79512dd248e43a1f46991cb62414429a1c2f1d8d4954f84613d

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

Filesize
7KB

MD5
d7043ce2ba727f59b983d1f0bbbe9267

SHA1
b299fc15c42aff17d06ee00d6534d9950f259a5d

SHA256
b7a7e648571446dd0741582a89662f0dda0495ce744e5a4767754e60056e30e9

SHA512
0a019b0e32f4a34f5c7f1723dfd8cdb64bb9255eeef8b597a517dd9d4e6091fc0232b62fbf92b1677bde5222c78672f6ec53c00f9d047ea55991771f0fc700cc

Download Submit
memory/2260-4-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download
memory/2260-31-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2260-0-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download
memory/2260-5-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2260-6-0x0000000000570000-0x00000000005F6000-memory.dmp

Filesize
536KB

Download
memory/2260-2-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2260-1-0x0000000000310000-0x00000000003D0000-memory.dmp

Filesize
768KB

Download
memory/2260-3-0x0000000002050000-0x000000000206E000-memory.dmp

Filesize
120KB

Download
memory/2880-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2880-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2880-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2880-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2880-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2880-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2880-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2880-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads