agenttesla | 61fb51848b3e54e24d6cd79263662e56c54d517bf588dbb2b88f13d75a25b3a9

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 01:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

61fb51848b3e54e24d6cd79263662e56c54d517bf588dbb2b88f13d75a25b3a9.exe
Size

1.1MB
MD5

0a48a6a3f785532fe520d08eaccc63b7
SHA1

c0b0ea072c350af6f8d98ccf8313d656ebe72eb0
SHA256

61fb51848b3e54e24d6cd79263662e56c54d517bf588dbb2b88f13d75a25b3a9
SHA512

75d9f5837c764cb9f3f4ab2b145eaa85a71e5ab7285ea74b315d6abd1e7f425ad4dc9e0082f472a19debb83334d259ed02c9391abfec618ca9351aee95a24a74
SSDEEP

24576:Utb20pkaCqT5TBWgNQ7aNxenJwKIzycIfm2vNb6A:9Vg5tQ7aNRIL55

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

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\chiffons.vbs	chiffons.exe

Executes dropped EXE 1 IoCs

pid	Process
2832	chiffons.exe

Loads dropped DLL 1 IoCs

pid	Process
2076	61fb51848b3e54e24d6cd79263662e56c54d517bf588dbb2b88f13d75a25b3a9.exe

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/files/0x000700000001927a-8.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2832 set thread context of 2728	2832	chiffons.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	61fb51848b3e54e24d6cd79263662e56c54d517bf588dbb2b88f13d75a25b3a9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chiffons.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2728	RegSvcs.exe
2728	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2832	chiffons.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2728	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2076	61fb51848b3e54e24d6cd79263662e56c54d517bf588dbb2b88f13d75a25b3a9.exe
2076	61fb51848b3e54e24d6cd79263662e56c54d517bf588dbb2b88f13d75a25b3a9.exe
2832	chiffons.exe
2832	chiffons.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2076	61fb51848b3e54e24d6cd79263662e56c54d517bf588dbb2b88f13d75a25b3a9.exe
2076	61fb51848b3e54e24d6cd79263662e56c54d517bf588dbb2b88f13d75a25b3a9.exe
2832	chiffons.exe
2832	chiffons.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 2832	2076	61fb51848b3e54e24d6cd79263662e56c54d517bf588dbb2b88f13d75a25b3a9.exe	30
PID 2076 wrote to memory of 2832	2076	61fb51848b3e54e24d6cd79263662e56c54d517bf588dbb2b88f13d75a25b3a9.exe	30
PID 2076 wrote to memory of 2832	2076	61fb51848b3e54e24d6cd79263662e56c54d517bf588dbb2b88f13d75a25b3a9.exe	30
PID 2076 wrote to memory of 2832	2076	61fb51848b3e54e24d6cd79263662e56c54d517bf588dbb2b88f13d75a25b3a9.exe	30
PID 2832 wrote to memory of 2728	2832	chiffons.exe	31
PID 2832 wrote to memory of 2728	2832	chiffons.exe	31
PID 2832 wrote to memory of 2728	2832	chiffons.exe	31
PID 2832 wrote to memory of 2728	2832	chiffons.exe	31
PID 2832 wrote to memory of 2728	2832	chiffons.exe	31
PID 2832 wrote to memory of 2728	2832	chiffons.exe	31
PID 2832 wrote to memory of 2728	2832	chiffons.exe	31
PID 2832 wrote to memory of 2728	2832	chiffons.exe	31

C:\Users\Admin\AppData\Local\Temp\61fb51848b3e54e24d6cd79263662e56c54d517bf588dbb2b88f13d75a25b3a9.exe
"C:\Users\Admin\AppData\Local\Temp\61fb51848b3e54e24d6cd79263662e56c54d517bf588dbb2b88f13d75a25b3a9.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Users\Admin\AppData\Local\pluff\chiffons.exe
  "C:\Users\Admin\AppData\Local\Temp\61fb51848b3e54e24d6cd79263662e56c54d517bf588dbb2b88f13d75a25b3a9.exe"
  2⤵
  - Drops startup file
  - 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:2832
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\61fb51848b3e54e24d6cd79263662e56c54d517bf588dbb2b88f13d75a25b3a9.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\pluff\chiffons.exe

Filesize
1.1MB

MD5
0a48a6a3f785532fe520d08eaccc63b7

SHA1
c0b0ea072c350af6f8d98ccf8313d656ebe72eb0

SHA256
61fb51848b3e54e24d6cd79263662e56c54d517bf588dbb2b88f13d75a25b3a9

SHA512
75d9f5837c764cb9f3f4ab2b145eaa85a71e5ab7285ea74b315d6abd1e7f425ad4dc9e0082f472a19debb83334d259ed02c9391abfec618ca9351aee95a24a74

Download Submit
memory/2076-6-0x0000000000820000-0x0000000000C20000-memory.dmp

Filesize
4.0MB

Download
memory/2728-85-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-25-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2728-24-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2728-81-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-26-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/2728-27-0x00000000003A0000-0x00000000003F4000-memory.dmp

Filesize
336KB

Download
memory/2728-28-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/2728-29-0x00000000005E0000-0x0000000000632000-memory.dmp

Filesize
328KB

Download
memory/2728-31-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/2728-30-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/2728-83-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-39-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-79-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-35-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-33-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-73-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-91-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-89-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-87-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-1064-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/2728-32-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-22-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2728-37-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-77-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-75-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-71-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-69-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-67-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-65-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-63-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-61-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-59-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-57-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-55-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-53-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-51-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-49-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-47-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-45-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-43-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-41-0x00000000005E0000-0x000000000062D000-memory.dmp

Filesize
308KB

Download
memory/2728-1062-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/2728-1063-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/2832-20-0x0000000000F90000-0x0000000001390000-memory.dmp

Filesize
4.0MB

Download