agenttesla | 40dae7eb9cde7a94d5e0dce7238d05cf5aea100c2e9f6eed8ed179c112ba7e9c

General

Target

1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe
Size

853KB
MD5

1f3c90853c32b6f513d5e3a32f5a3718
SHA1

f389727a96b6ff7b363cb1cc9688de29a6b78db1
SHA256

40dae7eb9cde7a94d5e0dce7238d05cf5aea100c2e9f6eed8ed179c112ba7e9c
SHA512

e2784ba53abb01e5101b369dd3731fd7bb40ad31a48a27fbae626abe44b389cfd68439f1e3a9a64b38d3a89b6363e0a6713ce49b11e98730700a93ae8720ab3c
SSDEEP

12288:ncJm5oTAPlqAOUVvD9wPWPHDWqA1UBiUpBwam0nRN8xDOwjPkCfKr/ftNBWWMQB0:cJmGTANqAOUdzHiKKam0/8ri

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ratllc.ae
Port:
587
Username:
[email protected]
Password:
MGRRATnowzathALI@RATdxbDXBAgro786

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/3432-15-0x0000000000400000-0x000000000043C000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.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-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\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-1-5-21-3756129449-3121373848-4276368241-1000\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 4560 set thread context of 3432	4560	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe	92

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	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.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
3088	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4560	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe
4560	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe
4560	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe
3432	RegSvcs.exe
3432	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4560	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe
Token: SeDebugPrivilege	3432	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 3088	4560	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe	89
PID 4560 wrote to memory of 3088	4560	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe	89
PID 4560 wrote to memory of 3088	4560	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe	89
PID 4560 wrote to memory of 2572	4560	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe	91
PID 4560 wrote to memory of 2572	4560	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe	91
PID 4560 wrote to memory of 2572	4560	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe	91
PID 4560 wrote to memory of 3432	4560	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe	92
PID 4560 wrote to memory of 3432	4560	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe	92
PID 4560 wrote to memory of 3432	4560	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe	92
PID 4560 wrote to memory of 3432	4560	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe	92
PID 4560 wrote to memory of 3432	4560	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe	92
PID 4560 wrote to memory of 3432	4560	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe	92
PID 4560 wrote to memory of 3432	4560	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe	92
PID 4560 wrote to memory of 3432	4560	1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1f3c90853c32b6f513d5e3a32f5a3718_JaffaCakes118.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:4560
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JGLBfaDn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp29DA.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3088
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:2572
- 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:3432

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\tmp29DA.tmp

Filesize
1KB

MD5
06f21e147e7dacad84026757552932e6

SHA1
e416149a83364dc3595bec305d8efd94a52bbd0e

SHA256
6ec74571e2719112bd8c0e9573f58869b5c584e25aa3649cbc7ab9db95cd97db

SHA512
f86eb2d8b6293dcc39b9f780027a2eb9d22d695ca589f7cfbc600224a06bcf25d97b3550774bd316c392ac1f6eb9f9dad9556276d93a05ea20252f433323e533

Download Submit
memory/3432-21-0x0000000006770000-0x00000000067D6000-memory.dmp

Filesize
408KB

Download
memory/3432-20-0x0000000005850000-0x0000000005868000-memory.dmp

Filesize
96KB

Download
memory/3432-27-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/3432-26-0x0000000006D30000-0x0000000006D80000-memory.dmp

Filesize
320KB

Download
memory/3432-23-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/3432-22-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/3432-19-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/3432-17-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/3432-28-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/3432-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4560-7-0x0000000005860000-0x00000000058FC000-memory.dmp

Filesize
624KB

Download
memory/4560-9-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/4560-10-0x0000000005D00000-0x0000000005D8A000-memory.dmp

Filesize
552KB

Download
memory/4560-8-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/4560-18-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/4560-3-0x0000000007BD0000-0x0000000007C62000-memory.dmp

Filesize
584KB

Download
memory/4560-2-0x00000000080E0000-0x0000000008684000-memory.dmp

Filesize
5.6MB

Download
memory/4560-5-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/4560-6-0x00000000057B0000-0x00000000057B8000-memory.dmp

Filesize
32KB

Download
memory/4560-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/4560-4-0x0000000005110000-0x000000000511A000-memory.dmp

Filesize
40KB

Download
memory/4560-11-0x0000000006220000-0x0000000006266000-memory.dmp

Filesize
280KB

Download
memory/4560-1-0x0000000000C10000-0x0000000000CEC000-memory.dmp

Filesize
880KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads