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
behavioral1/memory/2672-0-0x0000000000340000-0x0000000000494000-memory.dmp	upx
behavioral1/memory/2672-14-0x0000000000340000-0x0000000000494000-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
4	api.ipify.org
5	api.ipify.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2672-14-0x0000000000340000-0x0000000000494000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2672 set thread context of 1764	2672	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe	30

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 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
1764	RegSvcs.exe
1764	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2672	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1764	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2672	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe
2672	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2672	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe
2672	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1764	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 1764	2672	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe	30
PID 2672 wrote to memory of 1764	2672	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe	30
PID 2672 wrote to memory of 1764	2672	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe	30
PID 2672 wrote to memory of 1764	2672	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe	30
PID 2672 wrote to memory of 1764	2672	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe	30
PID 2672 wrote to memory of 1764	2672	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe	30
PID 2672 wrote to memory of 1764	2672	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe	30
PID 2672 wrote to memory of 1764	2672	317d4b1683e217b6af80de147bbeb8581255f320dd11ca5c13b0796f837d42aa.exe	30

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:2672
- 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:1764

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/1764-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1764-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1764-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1764-15-0x000000007482E000-0x000000007482F000-memory.dmp

Filesize
4KB

Download
memory/1764-16-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/1764-17-0x000000007482E000-0x000000007482F000-memory.dmp

Filesize
4KB

Download
memory/1764-18-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-0-0x0000000000340000-0x0000000000494000-memory.dmp

Filesize
1.3MB

Download
memory/2672-7-0x0000000000CE0000-0x00000000010E0000-memory.dmp

Filesize
4.0MB

Download
memory/2672-14-0x0000000000340000-0x0000000000494000-memory.dmp

Filesize
1.3MB

Download

Analysis

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