agenttesla | 7d07daae52409689e16158ea788904761298b7c66f1bf722431199e59077871b

General

Target

GHT0839W9-BNK89W9W989W0-KLAWUDIDU.js
Size

1.4MB
MD5

b670581786ae5f1c0a854e3b5b16074a
SHA1

8acdcbccce34174a7931cd68e849fc241f56a4b2
SHA256

9fb04bc8fa717198d88cb3b26ee76bddd2f5cfb61dbb0ec33b90660628e424a1
SHA512

0c14608e0842433dc4b0ab02bb15eaefdd75d38f27007b7cbe7b7034712309bd0a19296cd4afdbee05307cbd0ba6fb1d1715cb472b7996907b8840a6a044f995
SSDEEP

24576:PaVFa3H5CC/a/sqC40mMEirEISpShQrmmpMJ4zV:y6H1B40V1u5zV

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
cp8nl.hyperhost.ua
Port:
587
Username:
[email protected]
Password:
cy+G_(979n9N
Email To:
[email protected]

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

wscript.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	wscript.exe

Executes dropped EXE 1 IoCs

Processes:

myyynnnnnede.exe

pid	Process
3968	myyynnnnnede.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/files/0x000b000000023b6f-4.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

myyynnnnnede.exe

description	pid	Process	procid_target
PID 3968 set thread context of 3004	3968	myyynnnnnede.exe	84

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1928	3968	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

Processes:

myyynnnnnede.exeRegSvcs.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	myyynnnnnede.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid	Process
3004	RegSvcs.exe
3004	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

myyynnnnnede.exe

pid	Process
3968	myyynnnnnede.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description	pid	Process
Token: SeDebugPrivilege	3004	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

myyynnnnnede.exe

pid	Process
3968	myyynnnnnede.exe
3968	myyynnnnnede.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

myyynnnnnede.exe

pid	Process
3968	myyynnnnnede.exe
3968	myyynnnnnede.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

wscript.exemyyynnnnnede.exe

description	pid	Process	procid_target
PID 1048 wrote to memory of 3968	1048	wscript.exe	83
PID 1048 wrote to memory of 3968	1048	wscript.exe	83
PID 1048 wrote to memory of 3968	1048	wscript.exe	83
PID 3968 wrote to memory of 3004	3968	myyynnnnnede.exe	84
PID 3968 wrote to memory of 3004	3968	myyynnnnnede.exe	84
PID 3968 wrote to memory of 3004	3968	myyynnnnnede.exe	84
PID 3968 wrote to memory of 3004	3968	myyynnnnnede.exe	84

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\GHT0839W9-BNK89W9W989W0-KLAWUDIDU.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Users\Admin\AppData\Local\Temp\myyynnnnnede.exe
  "C:\Users\Admin\AppData\Local\Temp\myyynnnnnede.exe"
  2⤵
  - Executes dropped EXE
  - 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:3968
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\myyynnnnnede.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3968 -s 716
    3⤵
    - Program crash
    PID:1928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3968 -ip 3968
1⤵
PID:3628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

JavaScript

1

T1059.007

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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

C:\Users\Admin\AppData\Local\Temp\myyynnnnnede.exe

Filesize
1.1MB

MD5
95258c6b84fdbc292690b6f43e55248f

SHA1
0f7da894e566d1701b7e6a6418769fd48cd8c62b

SHA256
67d27ab57fd47d3f6fbb4a9fea283dd487aa3a7122ba37ac94057419232faf20

SHA512
0eb85ecbd59507f073993212eec8c4805c62d9fcdb037e3657be6c8f0c01222124772ba1518edac07c8c87e4a2f0584715ce334fa4deb390fe8d2b09faf8fdb6

Download Submit
memory/3004-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3004-19-0x000000007411E000-0x000000007411F000-memory.dmp

Filesize
4KB

Download
memory/3004-20-0x0000000005A50000-0x0000000005FF4000-memory.dmp

Filesize
5.6MB

Download
memory/3004-21-0x00000000056B0000-0x0000000005716000-memory.dmp

Filesize
408KB

Download
memory/3004-22-0x0000000074110000-0x00000000748C0000-memory.dmp

Filesize
7.7MB

Download
memory/3004-23-0x0000000006590000-0x00000000065E0000-memory.dmp

Filesize
320KB

Download
memory/3004-24-0x0000000006680000-0x0000000006712000-memory.dmp

Filesize
584KB

Download
memory/3004-25-0x0000000006620000-0x000000000662A000-memory.dmp

Filesize
40KB

Download
memory/3004-26-0x000000007411E000-0x000000007411F000-memory.dmp

Filesize
4KB

Download
memory/3004-27-0x0000000074110000-0x00000000748C0000-memory.dmp

Filesize
7.7MB

Download
memory/3968-17-0x0000000001840000-0x0000000001C40000-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