agenttesla | c5737e7951ee35d1c250124a7e9a39ecdb2af67999fad09b91cfb17e0e744bbd

General

Target

JaffaCakes118_59031a54582568cf7047ed4010947a8f.exe
Size

1.1MB
MD5

59031a54582568cf7047ed4010947a8f
SHA1

68d9ccbf543bd0ab3ccc480db1987e7decdbb9bd
SHA256

c5737e7951ee35d1c250124a7e9a39ecdb2af67999fad09b91cfb17e0e744bbd
SHA512

1721772246a9e27ef6ccb81cfc0b9ceea789546082eca914c068c4eedd3c0d2e6e932eb53305a1bb2830dc903384cbb26468586abac4088bd6256f7ae9147fbe
SSDEEP

12288:Ha9y2jffBSkkkkkkkkkkkkkkx9L+kIkkvkkkkkkkk7ZLXRckY8PDsMm9fbzV0yIg:2DklIbm1vM4Oy9kaoG

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.adityagroup.co
Port:
587
Username:
[email protected]
Password:
Aditya!@#$%^

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/1164-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	JaffaCakes118_59031a54582568cf7047ed4010947a8f.exe

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tKZVPq = "C:\\Users\\Admin\\AppData\\Roaming\\tKZVPq\\tKZVPq.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3492 set thread context of 1164	3492	JaffaCakes118_59031a54582568cf7047ed4010947a8f.exe	95

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 3 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	JaffaCakes118_59031a54582568cf7047ed4010947a8f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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
1044	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3492	JaffaCakes118_59031a54582568cf7047ed4010947a8f.exe
1164	RegSvcs.exe
1164	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3492	JaffaCakes118_59031a54582568cf7047ed4010947a8f.exe
Token: SeDebugPrivilege	1164	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3492 wrote to memory of 1044	3492	JaffaCakes118_59031a54582568cf7047ed4010947a8f.exe	93
PID 3492 wrote to memory of 1044	3492	JaffaCakes118_59031a54582568cf7047ed4010947a8f.exe	93
PID 3492 wrote to memory of 1044	3492	JaffaCakes118_59031a54582568cf7047ed4010947a8f.exe	93
PID 3492 wrote to memory of 1164	3492	JaffaCakes118_59031a54582568cf7047ed4010947a8f.exe	95
PID 3492 wrote to memory of 1164	3492	JaffaCakes118_59031a54582568cf7047ed4010947a8f.exe	95
PID 3492 wrote to memory of 1164	3492	JaffaCakes118_59031a54582568cf7047ed4010947a8f.exe	95
PID 3492 wrote to memory of 1164	3492	JaffaCakes118_59031a54582568cf7047ed4010947a8f.exe	95
PID 3492 wrote to memory of 1164	3492	JaffaCakes118_59031a54582568cf7047ed4010947a8f.exe	95
PID 3492 wrote to memory of 1164	3492	JaffaCakes118_59031a54582568cf7047ed4010947a8f.exe	95
PID 3492 wrote to memory of 1164	3492	JaffaCakes118_59031a54582568cf7047ed4010947a8f.exe	95
PID 3492 wrote to memory of 1164	3492	JaffaCakes118_59031a54582568cf7047ed4010947a8f.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_59031a54582568cf7047ed4010947a8f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_59031a54582568cf7047ed4010947a8f.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bWreqUBBeQL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2872.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1044
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1164

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2872.tmp

Filesize
1KB

MD5
7100d5511a3c31242aa167ca7356d61e

SHA1
90538988fe4a7cca233692b58e77fb93b74584ba

SHA256
0aa991574be2a922626d4a204c7129980dd2a8e2e9d9997f953bb22bfca20c15

SHA512
7cf40caa1518eeec1dc108d9f1fd9cc0d7a91fd4a07ef06be3bdf0ba404d2194ad8effb51a75d37a44fa8cd8e26f02f12dbb9495dd794fd9de975e20430d20f4

Download Submit
memory/1164-30-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/1164-29-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/1164-28-0x00000000069B0000-0x0000000006A00000-memory.dmp

Filesize
320KB

Download
memory/1164-24-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/1164-23-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/1164-22-0x0000000006840000-0x00000000068A6000-memory.dmp

Filesize
408KB

Download
memory/1164-21-0x0000000005AA0000-0x0000000005AB8000-memory.dmp

Filesize
96KB

Download
memory/1164-20-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/1164-18-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/1164-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3492-6-0x0000000005C20000-0x0000000005C76000-memory.dmp

Filesize
344KB

Download
memory/3492-7-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/3492-11-0x0000000008750000-0x00000000087D4000-memory.dmp

Filesize
528KB

Download
memory/3492-10-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/3492-9-0x00000000751CE000-0x00000000751CF000-memory.dmp

Filesize
4KB

Download
memory/3492-19-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/3492-8-0x0000000003180000-0x0000000003194000-memory.dmp

Filesize
80KB

Download
memory/3492-12-0x000000000BAE0000-0x000000000BB1C000-memory.dmp

Filesize
240KB

Download
memory/3492-0-0x00000000751CE000-0x00000000751CF000-memory.dmp

Filesize
4KB

Download
memory/3492-5-0x00000000059A0000-0x00000000059AA000-memory.dmp

Filesize
40KB

Download
memory/3492-4-0x0000000005A30000-0x0000000005AC2000-memory.dmp

Filesize
584KB

Download
memory/3492-3-0x0000000005F40000-0x00000000064E4000-memory.dmp

Filesize
5.6MB

Download
memory/3492-2-0x0000000005880000-0x000000000591C000-memory.dmp

Filesize
624KB

Download
memory/3492-1-0x0000000000E10000-0x0000000000F32000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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