agenttesla | 37618200ca15f760f9eb09fcaa6a6e9f9591ea49c69d3db0a5e47af01913bb3c

General

Target

4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe
Size

837KB
MD5

4776da05c78ba1b356b957c481de3df9
SHA1

16b6634b431682895f07c4ff1d912ef844712aa9
SHA256

37618200ca15f760f9eb09fcaa6a6e9f9591ea49c69d3db0a5e47af01913bb3c
SHA512

e8f406488554317dec310d2554df0f0da57b192aaff86c1467bd8cdda37721cdc22eb3f7adf5d88fabd8fa1bd15a96c8706558410cb0e8c7cc60c96d404579c5
SSDEEP

12288:0cvddSZzt2NjFmzPXHuXJ1+scrL7J3yCGXF+8g10nErLaKe3P1HZVD:0OddSZzMNj2QJ1YyCGXF+8e03P5ZV

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
@Mexico1.,

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/1236-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.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\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2072 set thread context of 1236	2072	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe	100

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	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
3352	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2072	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe
1236	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe
1236	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1236	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2072	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe
Token: SeDebugPrivilege	1236	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 3352	2072	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe	98
PID 2072 wrote to memory of 3352	2072	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe	98
PID 2072 wrote to memory of 3352	2072	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe	98
PID 2072 wrote to memory of 1236	2072	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe	100
PID 2072 wrote to memory of 1236	2072	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe	100
PID 2072 wrote to memory of 1236	2072	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe	100
PID 2072 wrote to memory of 1236	2072	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe	100
PID 2072 wrote to memory of 1236	2072	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe	100
PID 2072 wrote to memory of 1236	2072	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe	100
PID 2072 wrote to memory of 1236	2072	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe	100
PID 2072 wrote to memory of 1236	2072	4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe	100

C:\Users\Admin\AppData\Local\Temp\4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4776da05c78ba1b356b957c481de3df9_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:2072
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DRpJmAGWaoTTwy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCBA1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3352
- C:\Users\Admin\AppData\Local\Temp\4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\4776da05c78ba1b356b957c481de3df9_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  PID:1236

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

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCBA1.tmp

Filesize
1KB

MD5
eb078c7b4ea510c914837877cbc5a324

SHA1
1c5d1a438e208d2cdfcd47801c98b432ee05f092

SHA256
caaabec260aa55e8d18b4955de3a0ac5ff8e779986e9173a07b08ae3b01a6cb6

SHA512
69517c6cc91b299e033cea605d7b0683004fee2707e7cc3482b22deddcca2b237c80d420c7b7e7545323b0a3a3c0b70710c51c427745644140cf990233355460

Download Submit
C:\Users\Admin\AppData\Roaming\newapp\newapp.exe

Filesize
837KB

MD5
4776da05c78ba1b356b957c481de3df9

SHA1
16b6634b431682895f07c4ff1d912ef844712aa9

SHA256
37618200ca15f760f9eb09fcaa6a6e9f9591ea49c69d3db0a5e47af01913bb3c

SHA512
e8f406488554317dec310d2554df0f0da57b192aaff86c1467bd8cdda37721cdc22eb3f7adf5d88fabd8fa1bd15a96c8706558410cb0e8c7cc60c96d404579c5

Download Submit
memory/1236-26-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/1236-25-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/1236-24-0x0000000006480000-0x00000000064E6000-memory.dmp

Filesize
408KB

Download
memory/1236-23-0x00000000056A0000-0x00000000056B8000-memory.dmp

Filesize
96KB

Download
memory/1236-22-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/1236-19-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/1236-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2072-5-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/2072-21-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/2072-11-0x0000000006950000-0x00000000069EE000-memory.dmp

Filesize
632KB

Download
memory/2072-12-0x0000000008FB0000-0x0000000008FEC000-memory.dmp

Filesize
240KB

Download
memory/2072-9-0x000000007531E000-0x000000007531F000-memory.dmp

Filesize
4KB

Download
memory/2072-8-0x0000000006550000-0x00000000068A4000-memory.dmp

Filesize
3.3MB

Download
memory/2072-7-0x0000000005090000-0x00000000050AA000-memory.dmp

Filesize
104KB

Download
memory/2072-10-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/2072-6-0x0000000004D90000-0x0000000004D9A000-memory.dmp

Filesize
40KB

Download
memory/2072-0-0x000000007531E000-0x000000007531F000-memory.dmp

Filesize
4KB

Download
memory/2072-4-0x0000000004EC0000-0x0000000004F5C000-memory.dmp

Filesize
624KB

Download
memory/2072-3-0x0000000004E20000-0x0000000004EB2000-memory.dmp

Filesize
584KB

Download
memory/2072-2-0x0000000005330000-0x00000000058D4000-memory.dmp

Filesize
5.6MB

Download
memory/2072-1-0x00000000002F0000-0x00000000003C6000-memory.dmp

Filesize
856KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads