agenttesla | 317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa

General

Target

317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe
Size

583KB
MD5

bd50b8389578702100c55e976e636d2c
SHA1

04a8de3509219f30312a372dd365a84a2f853efe
SHA256

317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa
SHA512

2ba298f9f2ddfac90aefd6587749f65002495bb3a8e7f7e5947ca7b7f654133329ca0ac9b69aae7c631155f6f865e4503350df6612c965fd22b3017d4d6e9543
SSDEEP

12288:LXe9PPlowWX0t6mOQwg1Qd15CcYk0We1FfCvz+1YhOyIIHMsulkf:ShloDX0XOf4oZhfIIHMgf

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mahesh-ent.com
Port:
587
Username:
[email protected]
Password:
M@hesh3981
Email To:
[email protected]

Signatures

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

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4876-0-0x0000000000B40000-0x0000000000C94000-memory.dmp	upx
behavioral2/memory/4876-14-0x0000000000B40000-0x0000000000C94000-memory.dmp	upx

Looks up external IP address via web service 2 IoCs

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

flow	ioc
13	api.ipify.org
14	api.ipify.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4876-14-0x0000000000B40000-0x0000000000C94000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4876 set thread context of 2736	4876	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe	87

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
5000	4876	WerFault.exe	83

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	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2736	RegSvcs.exe
2736	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4876	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe
4876	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2736	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4876	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe
4876	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4876	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe
4876	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2736	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 2736	4876	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe	87
PID 4876 wrote to memory of 2736	4876	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe	87
PID 4876 wrote to memory of 2736	4876	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe	87
PID 4876 wrote to memory of 2736	4876	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe	87

C:\Users\Admin\AppData\Local\Temp\317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe
"C:\Users\Admin\AppData\Local\Temp\317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4876
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2736
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 812
  2⤵
  - Program crash
  PID:5000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4876 -ip 4876
1⤵
PID:2152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

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

Replay Monitor

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Downloads

memory/2736-12-0x0000000074020000-0x00000000747D0000-memory.dmp

Filesize
7.7MB

Download
memory/2736-8-0x0000000000160000-0x00000000001A2000-memory.dmp

Filesize
264KB

Download
memory/2736-9-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/2736-10-0x0000000004F50000-0x00000000054F4000-memory.dmp

Filesize
5.6MB

Download
memory/2736-11-0x00000000049A0000-0x0000000004A06000-memory.dmp

Filesize
408KB

Download
memory/2736-15-0x0000000005EF0000-0x0000000005F40000-memory.dmp

Filesize
320KB

Download
memory/2736-16-0x0000000005FE0000-0x0000000006072000-memory.dmp

Filesize
584KB

Download
memory/2736-17-0x0000000006170000-0x000000000617A000-memory.dmp

Filesize
40KB

Download
memory/2736-18-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/2736-19-0x0000000074020000-0x00000000747D0000-memory.dmp

Filesize
7.7MB

Download
memory/4876-7-0x00000000014F0000-0x00000000018F0000-memory.dmp

Filesize
4.0MB

Download
memory/4876-0-0x0000000000B40000-0x0000000000C94000-memory.dmp

Filesize
1.3MB

Download
memory/4876-14-0x0000000000B40000-0x0000000000C94000-memory.dmp

Filesize
1.3MB

Download

Analysis

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