agenttesla | 908bd3cae1a5660edb6221b5fd0e82a6635bd879c232ac2989368422a06f599a

General

Target

MACHINE QUOTATION/MACHINE QUOTATION.exe
Size

192KB
MD5

93c7b66d77406f6b64507631a24bc140
SHA1

ad6c3790c982c6f5cf0fc34a0ff9d2098d7df8b5
SHA256

95687da203507a11837eaeb29bfe86481828b74b62fc869604b5eaa552f950c2
SHA512

5b9d4d085d84ff215c70e49cb7d15c1d512996fe48b711d54a2553cb80581e6e6031b47f775fb3c2bede18e33a1803f25e0cf7eca127f3d205130e8194a55fba
SSDEEP

3072:MGEIeLWnY8Ism+CE1UwI1tUh8MMtpDAyWHSq3BJW:NEI/nHCE1YtU+l7sfB

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:
nXe0M~WkW&nJ

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.ercolina-usa.com
Port:
21
Username:
[email protected]
Password:
nXe0M~WkW&nJ

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	regasm.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
13	api.ipify.org
15	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 544 set thread context of 4468	544	MACHINE QUOTATION.exe	87

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 1 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	regasm.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
832	taskkill.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
544	MACHINE QUOTATION.exe
4468	regasm.exe
4468	regasm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	544	MACHINE QUOTATION.exe
Token: SeDebugPrivilege	4468	regasm.exe
Token: SeDebugPrivilege	832	taskkill.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4468	regasm.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 1244	544	MACHINE QUOTATION.exe	83
PID 544 wrote to memory of 1244	544	MACHINE QUOTATION.exe	83
PID 544 wrote to memory of 2664	544	MACHINE QUOTATION.exe	84
PID 544 wrote to memory of 2664	544	MACHINE QUOTATION.exe	84
PID 544 wrote to memory of 2664	544	MACHINE QUOTATION.exe	84
PID 544 wrote to memory of 2552	544	MACHINE QUOTATION.exe	85
PID 544 wrote to memory of 2552	544	MACHINE QUOTATION.exe	85
PID 544 wrote to memory of 2552	544	MACHINE QUOTATION.exe	85
PID 544 wrote to memory of 1916	544	MACHINE QUOTATION.exe	86
PID 544 wrote to memory of 1916	544	MACHINE QUOTATION.exe	86
PID 544 wrote to memory of 1916	544	MACHINE QUOTATION.exe	86
PID 544 wrote to memory of 4468	544	MACHINE QUOTATION.exe	87
PID 544 wrote to memory of 4468	544	MACHINE QUOTATION.exe	87
PID 544 wrote to memory of 4468	544	MACHINE QUOTATION.exe	87
PID 544 wrote to memory of 4468	544	MACHINE QUOTATION.exe	87
PID 544 wrote to memory of 4468	544	MACHINE QUOTATION.exe	87
PID 544 wrote to memory of 4468	544	MACHINE QUOTATION.exe	87
PID 544 wrote to memory of 4468	544	MACHINE QUOTATION.exe	87
PID 544 wrote to memory of 4468	544	MACHINE QUOTATION.exe	87

C:\Users\Admin\AppData\Local\Temp\MACHINE QUOTATION\MACHINE QUOTATION.exe
"C:\Users\Admin\AppData\Local\Temp\MACHINE QUOTATION\MACHINE QUOTATION.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:544
- \??\c:\windows\system32\cmstp.exe
  "c:\windows\system32\cmstp.exe" /au C:\windows\temp\1055744455.inf
  2⤵
  PID:1244
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  PID:2664
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  PID:2552
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
  2⤵
  PID:1916
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.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:4468

C:\Windows\system32\cmd.exe
cmd.exe /C start /D C:\Users\Admin\AppData\Local\Temp\MACHINE QUOTATION MACHINE QUOTATION.exe
1⤵
PID:4528

C:\Windows\system32\taskkill.exe
taskkill /IM cmstp.exe /F
1⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:832

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\windows\temp\1055744455.inf

Filesize
629B

MD5
4c197764d3423534757491cc81a34bed

SHA1
383f61a3cf9f013f41bbc4eca125bc0b32c41130

SHA256
a9b208fb6a73cddd1ded622fdf1badbe62ccd90c1afb5024d248e346d9fe476f

SHA512
f599608e824bbaadf2d13b1da2e46b317352723c535649a98ffe078b903600eaf54ccc6d360d5a5f45d7e9dc1564b1947c9f477405b0656b42998b2b6229c91f

Download Submit
memory/4468-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4468-3-0x00000000059F0000-0x0000000005F94000-memory.dmp

Filesize
5.6MB

Download
memory/4468-4-0x0000000005630000-0x0000000005696000-memory.dmp

Filesize
408KB

Download
memory/4468-7-0x0000000006900000-0x0000000006950000-memory.dmp

Filesize
320KB

Download
memory/4468-8-0x0000000006A70000-0x0000000006B02000-memory.dmp

Filesize
584KB

Download
memory/4468-9-0x0000000006A10000-0x0000000006A1A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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