agenttesla | 599684712d037941ea1fcd3bddec475f38ab00f768f4ee86fd56f41f87d07092

General

Target

e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe
Size

376KB
MD5

e8b09ad1049be752f15ce4fbc0a9bdc8
SHA1

b6da3f14db48c5de8afbc5e845f49d32060be9de
SHA256

599684712d037941ea1fcd3bddec475f38ab00f768f4ee86fd56f41f87d07092
SHA512

41a1781895caa37ae05c1e4a5342beed56e6ad289f330b14065f7479ade0544ef304ae3676fe607a0f433307ff69c9dcb4e7ca078b05deb44de5f1d5f4cc063b
SSDEEP

6144:JWANBxjImCW9VQYwUt0XJMp4rGqXbbCpW7CxFRmsuGRxHkShz0f:oQBOWAItiJMirf3QWgFWIqi

Score

10^/10

agenttesla credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.usnewsdc.com
Port:
587
Username:
[email protected]
Password:
@@newsdc@$$$

Signatures

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

AgentTesla payload 2 IoCs

resource	yara_rule
behavioral2/memory/3716-35-0x0000000000400000-0x0000000000454000-memory.dmp	family_agenttesla
behavioral2/memory/3716-39-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Newapp = "C:\\Users\\Admin\\AppData\\Roaming\\Newapp\\Newapp.exe"	regasm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3324 set thread context of 3716	3324	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2872	3716	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 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	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3716	regasm.exe
3716	regasm.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3324	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3716	regasm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3324	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3324 wrote to memory of 3716	3324	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe	82
PID 3324 wrote to memory of 3716	3324	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe	82
PID 3324 wrote to memory of 3716	3324	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe	82
PID 3324 wrote to memory of 3716	3324	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3324
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3716
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3716 -s 1664
    3⤵
    - Program crash
    PID:2872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3716 -ip 3716
1⤵
PID:1912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/3324-40-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download
memory/3324-3-0x0000000002210000-0x0000000002211000-memory.dmp

Filesize
4KB

Download
memory/3324-11-0x0000000000470000-0x0000000000570000-memory.dmp

Filesize
1024KB

Download
memory/3324-12-0x0000000074D21000-0x0000000074D22000-memory.dmp

Filesize
4KB

Download
memory/3324-2-0x00000000770A2000-0x00000000770A3000-memory.dmp

Filesize
4KB

Download
memory/3324-34-0x0000000074CF0000-0x0000000074E4D000-memory.dmp

Filesize
1.4MB

Download
memory/3324-36-0x0000000074CF0000-0x0000000074E4D000-memory.dmp

Filesize
1.4MB

Download
memory/3324-38-0x0000000074CF0000-0x0000000074E4D000-memory.dmp

Filesize
1.4MB

Download
memory/3716-39-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3716-48-0x0000000005970000-0x0000000005988000-memory.dmp

Filesize
96KB

Download
memory/3716-41-0x00000000770A2000-0x00000000770A3000-memory.dmp

Filesize
4KB

Download
memory/3716-43-0x0000000073F0E000-0x0000000073F0F000-memory.dmp

Filesize
4KB

Download
memory/3716-35-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3716-45-0x0000000005F20000-0x00000000064C4000-memory.dmp

Filesize
5.6MB

Download
memory/3716-44-0x0000000073F00000-0x00000000746B0000-memory.dmp

Filesize
7.7MB

Download
memory/3716-46-0x0000000005760000-0x00000000057F2000-memory.dmp

Filesize
584KB

Download
memory/3716-47-0x0000000005A10000-0x0000000005AAC000-memory.dmp

Filesize
624KB

Download
memory/3716-42-0x0000000000DD0000-0x0000000000DD1000-memory.dmp

Filesize
4KB

Download
memory/3716-49-0x0000000073F00000-0x00000000746B0000-memory.dmp

Filesize
7.7MB

Download
memory/3716-50-0x0000000005EB0000-0x0000000005F16000-memory.dmp

Filesize
408KB

Download
memory/3716-51-0x0000000073F0E000-0x0000000073F0F000-memory.dmp

Filesize
4KB

Download
memory/3716-52-0x0000000073F00000-0x00000000746B0000-memory.dmp

Filesize
7.7MB

Download
memory/3716-53-0x0000000073F00000-0x00000000746B0000-memory.dmp

Filesize
7.7MB

Download
memory/3716-56-0x0000000006ED0000-0x0000000006F20000-memory.dmp

Filesize
320KB

Download
memory/3716-58-0x0000000073F00000-0x00000000746B0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads