agenttesla | 916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c

General

Target

916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c.exe
Size

1.1MB
MD5

d2867dd5924bf310d62aa448eb6fbd4f
SHA1

608fd92498d849c1ae0834e3bfc6d0f57139f603
SHA256

916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c
SHA512

c1011e98cbd36f5d3f289c2722fbc8029c5898156d63f04ed44f555feaf6b8ecec20e8c17cfd823896476a49a65522c991a042f9a663a6800fddbbaeb005546e
SSDEEP

24576:ffmMv6Ckr7Mny5QLHbiWlt3zxE1acZi1QDp:f3v+7/5QLHXlle5AK

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
w#chNV#1
Email To:
[email protected]

Signatures

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

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\ZUHFqcY = "C:\\Users\\Admin\\AppData\\Roaming\\ZUHFqcY\\ZUHFqcY.exe"	RegSvcs.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2384 set thread context of 2044	2384	916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2912	2384	WerFault.exe	30

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	916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2044	RegSvcs.exe
2044	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2384	916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2044	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2044	2384	916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c.exe	31
PID 2384 wrote to memory of 2044	2384	916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c.exe	31
PID 2384 wrote to memory of 2044	2384	916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c.exe	31
PID 2384 wrote to memory of 2044	2384	916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c.exe	31
PID 2384 wrote to memory of 2044	2384	916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c.exe	31
PID 2384 wrote to memory of 2044	2384	916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c.exe	31
PID 2384 wrote to memory of 2044	2384	916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c.exe	31
PID 2384 wrote to memory of 2044	2384	916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c.exe	31
PID 2384 wrote to memory of 2912	2384	916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c.exe	32
PID 2384 wrote to memory of 2912	2384	916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c.exe	32
PID 2384 wrote to memory of 2912	2384	916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c.exe	32
PID 2384 wrote to memory of 2912	2384	916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c.exe	32

C:\Users\Admin\AppData\Local\Temp\916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c.exe
"C:\Users\Admin\AppData\Local\Temp\916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2044
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 384
  2⤵
  - Program crash
  PID:2912

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

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

memory/2044-3-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2044-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2044-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2044-8-0x000000007433E000-0x000000007433F000-memory.dmp

Filesize
4KB

Download
memory/2044-9-0x0000000074330000-0x0000000074A1E000-memory.dmp

Filesize
6.9MB

Download
memory/2044-11-0x000000007433E000-0x000000007433F000-memory.dmp

Filesize
4KB

Download
memory/2044-12-0x0000000074330000-0x0000000074A1E000-memory.dmp

Filesize
6.9MB

Download
memory/2384-2-0x0000000003EE0000-0x00000000042E0000-memory.dmp

Filesize
4.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads