agenttesla | 57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57

General

Target

57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe
Size

1.1MB
MD5

9792f7f6dee89dc734d2d446f3198538
SHA1

7164b61fa1b3c4aaaf12e115b56dc4570cc27fec
SHA256

57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57
SHA512

2fa5a4c4276b997c810c5a4a847798a38bd93861f67b9388a500e49e38feabc58d08c14a6bb26fd5d585f5e604d1dc7675f5fb20a8c7ac310b89df33c73c177c
SSDEEP

24576:WfmMv6Ckr7Mny5Q6Jk6/qFrOxUjrzW0KOSFpictm:W3v+7/5Q6JqJOxUje0LS2cQ

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.ercolina-usa.com
Port:
21
Username:
[email protected]
Password:
uy,o#mZj8$lY

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.ercolina-usa.com
Port:
21
Username:
[email protected]
Password:
uy,o#mZj8$lY

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	RegSvcs.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
15	api.ipify.org
16	api.ipify.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2488-2-0x0000000004370000-0x0000000004770000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2488 set thread context of 4476	2488	57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe	83

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	57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4476	RegSvcs.exe
4476	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2488	57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4476	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4476	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 4476	2488	57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe	83
PID 2488 wrote to memory of 4476	2488	57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe	83
PID 2488 wrote to memory of 4476	2488	57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe	83
PID 2488 wrote to memory of 4476	2488	57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe	83

C:\Users\Admin\AppData\Local\Temp\57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe
"C:\Users\Admin\AppData\Local\Temp\57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4476

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 Information Discovery

1

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

memory/2488-2-0x0000000004370000-0x0000000004770000-memory.dmp

Filesize
4.0MB

Download
memory/4476-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4476-4-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

Filesize
4KB

Download
memory/4476-5-0x0000000005BE0000-0x0000000006184000-memory.dmp

Filesize
5.6MB

Download
memory/4476-6-0x0000000005630000-0x0000000005696000-memory.dmp

Filesize
408KB

Download
memory/4476-7-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/4476-10-0x0000000006B60000-0x0000000006BB0000-memory.dmp

Filesize
320KB

Download
memory/4476-11-0x0000000006C90000-0x0000000006D22000-memory.dmp

Filesize
584KB

Download
memory/4476-12-0x0000000006C70000-0x0000000006C7A000-memory.dmp

Filesize
40KB

Download
memory/4476-13-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

Filesize
4KB

Download
memory/4476-14-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads