agenttesla | 0245fb0b063ddabc786245330999419d72da4c752f6e08c589bd4b5491ce1467

General

Target

delivery note, invoice, packing list.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/5012-0-0x0000000000D80000-0x0000000000ED4000-memory.dmp	upx
behavioral2/memory/5012-10-0x0000000000D80000-0x0000000000ED4000-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/5012-10-0x0000000000D80000-0x0000000000ED4000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5012 set thread context of 3940	5012	delivery note, invoice, packing list.exe	86

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	delivery note, invoice, packing list.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3940	RegSvcs.exe
3940	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
5012	delivery note, invoice, packing list.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3940	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5012	delivery note, invoice, packing list.exe
5012	delivery note, invoice, packing list.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
5012	delivery note, invoice, packing list.exe
5012	delivery note, invoice, packing list.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3940	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 3940	5012	delivery note, invoice, packing list.exe	86
PID 5012 wrote to memory of 3940	5012	delivery note, invoice, packing list.exe	86
PID 5012 wrote to memory of 3940	5012	delivery note, invoice, packing list.exe	86
PID 5012 wrote to memory of 3940	5012	delivery note, invoice, packing list.exe	86

C:\Users\Admin\AppData\Local\Temp\delivery note, invoice, packing list.exe
"C:\Users\Admin\AppData\Local\Temp\delivery note, invoice, packing list.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:5012
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\delivery note, invoice, packing list.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3940

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/3940-16-0x00000000069F0000-0x0000000006A82000-memory.dmp

Filesize
584KB

Download
memory/3940-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3940-11-0x00000000740BE000-0x00000000740BF000-memory.dmp

Filesize
4KB

Download
memory/3940-12-0x00000000057E0000-0x0000000005D84000-memory.dmp

Filesize
5.6MB

Download
memory/3940-13-0x0000000005400000-0x0000000005466000-memory.dmp

Filesize
408KB

Download
memory/3940-14-0x00000000740B0000-0x0000000074860000-memory.dmp

Filesize
7.7MB

Download
memory/3940-15-0x0000000006900000-0x0000000006950000-memory.dmp

Filesize
320KB

Download
memory/3940-17-0x0000000006B80000-0x0000000006B8A000-memory.dmp

Filesize
40KB

Download
memory/3940-18-0x00000000740BE000-0x00000000740BF000-memory.dmp

Filesize
4KB

Download
memory/3940-19-0x00000000740B0000-0x0000000074860000-memory.dmp

Filesize
7.7MB

Download
memory/5012-7-0x0000000001490000-0x0000000001890000-memory.dmp

Filesize
4.0MB

Download
memory/5012-10-0x0000000000D80000-0x0000000000ED4000-memory.dmp

Filesize
1.3MB

Download
memory/5012-0-0x0000000000D80000-0x0000000000ED4000-memory.dmp

Filesize
1.3MB

Download

Analysis

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