agenttesla | 35c894c4142cf4d35b922afcee66e1c1d1feb7803ff904371c3efc38d6d2373b

General

Target
RA6789098765434567870.exe
Size 1.0MB
Sample250303-tsk92ssvfs
SHA256 35c894c4142cf4d35b922afcee66e1c1d1feb7803ff904371c3efc38d6d2373b
MD5 fe4cec9327984d46198551c2ed2854b4
SHA1 99a35b409fc5828a8fdbdb19a7c08002d90b7c77
SHA512 41f03a6fa5ca4f77fc008c33836f542dff1f85cc8743c28a7501a281e81fdcc5a6ba8a74f0d220b9f63dd25ee801f751bacd5936ef23efcd046bdcd46e92bd78
SSDEEP 24576:Mu6J33O0c+JY5UZ+XC0kGso6Fa+zSgtZ8jyYj6lWY:Wu0c++OCvkGs9Fa+zSgtzQnY
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
ftp
Host
ftp://ftp.antoniomayol.com:21
Port
21
Username
[email protected]
Password
cMhKDQUk1{;%

Signatures

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\phytographic.vbs	phytographic.exe

Executes dropped EXE 1 IoCs

pid	Process
3056	phytographic.exe

Loads dropped DLL 1 IoCs

pid	Process
2100	RA6789098765434567870.exe

Looks up external IP address via web service 1 IoCs

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

flow	ioc
4	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x000800000001707c-8.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3056 set thread context of 2520	3056	phytographic.exe	31

System Location Discovery: System Language Discovery 1 TTPs 3 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	RA6789098765434567870.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	phytographic.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2520	RegSvcs.exe
2520	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3056	phytographic.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2520	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 3056	2100	RA6789098765434567870.exe	30
PID 2100 wrote to memory of 3056	2100	RA6789098765434567870.exe	30
PID 2100 wrote to memory of 3056	2100	RA6789098765434567870.exe	30
PID 2100 wrote to memory of 3056	2100	RA6789098765434567870.exe	30
PID 3056 wrote to memory of 2520	3056	phytographic.exe	31
PID 3056 wrote to memory of 2520	3056	phytographic.exe	31
PID 3056 wrote to memory of 2520	3056	phytographic.exe	31
PID 3056 wrote to memory of 2520	3056	phytographic.exe	31
PID 3056 wrote to memory of 2520	3056	phytographic.exe	31
PID 3056 wrote to memory of 2520	3056	phytographic.exe	31
PID 3056 wrote to memory of 2520	3056	phytographic.exe	31
PID 3056 wrote to memory of 2520	3056	phytographic.exe	31

C:\Users\Admin\AppData\Local\Temp\RA6789098765434567870.exe
"C:\Users\Admin\AppData\Local\Temp\RA6789098765434567870.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Users\Admin\AppData\Local\nasal\phytographic.exe
  "C:\Users\Admin\AppData\Local\Temp\RA6789098765434567870.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3056
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\RA6789098765434567870.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

phytographic.exe

Path \Users\Admin\AppData\Local\nasal\phytographic.exe
Size 1.0MB
SHA256 35c894c4142cf4d35b922afcee66e1c1d1feb7803ff904371c3efc38d6d2373b
MD5 fe4cec9327984d46198551c2ed2854b4
SHA1 99a35b409fc5828a8fdbdb19a7c08002d90b7c77
SHA512 41f03a6fa5ca4f77fc008c33836f542dff1f85cc8743c28a7501a281e81fdcc5a6ba8a74f0d220b9f63dd25ee801f751bacd5936ef23efcd046bdcd46e92bd78
SSDEEP 24576:Mu6J33O0c+JY5UZ+XC0kGso6Fa+zSgtZ8jyYj6lWY:Wu0c++OCvkGs9Fa+zSgtzQnY
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2100-6-0x0000000000CE0000-0x00000000010E0000-memory.dmp

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memory/2520-22-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2520-26-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2520-24-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2520-27-0x0000000073BEE000-0x0000000073BEF000-memory.dmp

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memory/2520-28-0x0000000073BE0000-0x00000000742CE000-memory.dmp

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memory/2520-29-0x0000000073BEE000-0x0000000073BEF000-memory.dmp

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memory/2520-30-0x0000000073BE0000-0x00000000742CE000-memory.dmp

Download

memory/3056-20-0x0000000000B10000-0x0000000000F10000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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