agenttesla | a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48

General

Target

a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe
Size

506KB
MD5

22e8f94059d3383d524fe1a1d4f2eb2f
SHA1

1f3bc2add3763c59df4dc32c91a45698bcdc8030
SHA256

a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48
SHA512

a5f7bf6fa4323a9924aeb83d222269ecfde1e527c0447edef36f4dd4024663b80179ca030a60b81d84aa68d5d4dd875d86b8601c416c53b0c9cbb55d3bd1486a
SSDEEP

6144:Nw/nOK6Uqd2GhNXxfdjn/EGTZvrdyyy3UCANbZqDyFZOva5pFvuA+eWsqr+rXUSS:Nv3Ui2iNhJDNjdFyEJRZzFZL5fzFjmzN

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:
zxcvbnm12345

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2736-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2736-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2736-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2736-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2736-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwlrFL = "C:\\Users\\Admin\\AppData\\Roaming\\nwlrFL\\nwlrFL.exe"	a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2536 set thread context of 2736	2536	a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.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	a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2736	a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe
2736	a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2736	a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2736	2536	a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe	30
PID 2536 wrote to memory of 2736	2536	a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe	30
PID 2536 wrote to memory of 2736	2536	a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe	30
PID 2536 wrote to memory of 2736	2536	a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe	30
PID 2536 wrote to memory of 2736	2536	a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe	30
PID 2536 wrote to memory of 2736	2536	a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe	30
PID 2536 wrote to memory of 2736	2536	a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe	30
PID 2536 wrote to memory of 2736	2536	a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe	30
PID 2536 wrote to memory of 2736	2536	a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe	30

C:\Users\Admin\AppData\Local\Temp\a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe
"C:\Users\Admin\AppData\Local\Temp\a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Users\Admin\AppData\Local\Temp\a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe
  "C:\Users\Admin\AppData\Local\Temp\a698a95da36f7ff9d72178542d0f40751d5a8791645784f8104c3228e3b87c48.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2736

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2536-0-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/2536-1-0x0000000000C10000-0x0000000000C94000-memory.dmp

Filesize
528KB

Download
memory/2536-2-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2536-3-0x0000000000440000-0x000000000044E000-memory.dmp

Filesize
56KB

Download
memory/2536-4-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/2536-5-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2536-6-0x00000000043B0000-0x0000000004410000-memory.dmp

Filesize
384KB

Download
memory/2536-21-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2736-20-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2736-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2736-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2736-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2736-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2736-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2736-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2736-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2736-22-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2736-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2736-23-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2736-24-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads