agenttesla | 3c2970acce43b4205666a5122842b2d0e1111c7945b103d0a4dcb0fa4a087218

General

Target

CEQ084007738830983737820000020002RF_PDF.exe
Size

2.5MB
MD5

ece6f990267fba0e365191d6558b0f9f
SHA1

7841ab811b01ce15915a9df2538ff469656538af
SHA256

105465e8fc8446745fca6287927567949b9c7a41112d4752f9cb98f503f484db
SHA512

b8a1ad5e44e89c3657f05bd5f32859c1479149b5a849059212139c00b4b6410544b5929e17ddc3b4aaea29aa1413ab77bb57e95b30caef1f6a02f838db116a12
SSDEEP

24576:hqCdMP5SdezpyFNrhSCPuoX0k6O2BusxExVJhenLg31+mYGnKBFHJETXHOahJs3:hP6hSrcCPT0JnLg31+mYGnKDKTXe3

Score

10^/10

agenttesla execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6806295140:AAG4-KC2NA0JDcYhFvVsLTmBeXMXo_2r83w/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

5084 powershell.exe
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 2 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
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

16 api.ipify.org
17 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

CEQ084007738830983737820000020002RF_PDF.exe

description pid process target process

PID 2992 set thread context of 4924 2992 CEQ084007738830983737820000020002RF_PDF.exe regasm.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeregasm.exe

pid process

5084 powershell.exe
5084 powershell.exe
4924 regasm.exe
4924 regasm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeregasm.exe

description pid process

Token: SeDebugPrivilege 5084 powershell.exe
Token: SeDebugPrivilege 4924 regasm.exe

pid	process
5084	powershell.exe

flow	ioc
16	api.ipify.org
17	api.ipify.org

description	pid	process	target process
PID 2992 set thread context of 4924	2992	CEQ084007738830983737820000020002RF_PDF.exe	regasm.exe

pid	process
5084	powershell.exe
5084	powershell.exe
4924	regasm.exe
4924	regasm.exe

description	pid	process
Token: SeDebugPrivilege	5084	powershell.exe
Token: SeDebugPrivilege	4924	regasm.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

CEQ084007738830983737820000020002RF_PDF.exe

description	pid	process	target process
PID 2992 wrote to memory of 5084	2992	CEQ084007738830983737820000020002RF_PDF.exe	powershell.exe
PID 2992 wrote to memory of 5084	2992	CEQ084007738830983737820000020002RF_PDF.exe	powershell.exe
PID 2992 wrote to memory of 808	2992	CEQ084007738830983737820000020002RF_PDF.exe	CasPol.exe
PID 2992 wrote to memory of 808	2992	CEQ084007738830983737820000020002RF_PDF.exe	CasPol.exe
PID 2992 wrote to memory of 808	2992	CEQ084007738830983737820000020002RF_PDF.exe	CasPol.exe
PID 2992 wrote to memory of 808	2992	CEQ084007738830983737820000020002RF_PDF.exe	CasPol.exe
PID 2992 wrote to memory of 4924	2992	CEQ084007738830983737820000020002RF_PDF.exe	regasm.exe
PID 2992 wrote to memory of 4924	2992	CEQ084007738830983737820000020002RF_PDF.exe	regasm.exe
PID 2992 wrote to memory of 4924	2992	CEQ084007738830983737820000020002RF_PDF.exe	regasm.exe
PID 2992 wrote to memory of 4924	2992	CEQ084007738830983737820000020002RF_PDF.exe	regasm.exe
PID 2992 wrote to memory of 4924	2992	CEQ084007738830983737820000020002RF_PDF.exe	regasm.exe
PID 2992 wrote to memory of 4924	2992	CEQ084007738830983737820000020002RF_PDF.exe	regasm.exe
PID 2992 wrote to memory of 4924	2992	CEQ084007738830983737820000020002RF_PDF.exe	regasm.exe
PID 2992 wrote to memory of 4924	2992	CEQ084007738830983737820000020002RF_PDF.exe	regasm.exe

C:\Users\Admin\AppData\Local\Temp\CEQ084007738830983737820000020002RF_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\CEQ084007738830983737820000020002RF_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath $env:UserProfile
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5084
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  PID:808
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d22ea3ev.osf.psm1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4924-22-0x0000000006B50000-0x0000000006BE2000-memory.dmp

Filesize
584KB

Download
memory/4924-19-0x00000000055D0000-0x0000000005636000-memory.dmp

Filesize
408KB

Download
memory/4924-25-0x00000000745E0000-0x0000000074D90000-memory.dmp

Filesize
7.7MB

Download
memory/4924-24-0x00000000745EE000-0x00000000745EF000-memory.dmp

Filesize
4KB

Download
memory/4924-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4924-23-0x0000000006B10000-0x0000000006B1A000-memory.dmp

Filesize
40KB

Download
memory/4924-21-0x0000000006A20000-0x0000000006A70000-memory.dmp

Filesize
320KB

Download
memory/4924-18-0x0000000005A80000-0x0000000006024000-memory.dmp

Filesize
5.6MB

Download
memory/4924-17-0x00000000745EE000-0x00000000745EF000-memory.dmp

Filesize
4KB

Download
memory/4924-20-0x00000000745E0000-0x0000000074D90000-memory.dmp

Filesize
7.7MB

Download
memory/5084-1-0x000001376D3F0000-0x000001376D412000-memory.dmp

Filesize
136KB

Download
memory/5084-0-0x00007FF9A7963000-0x00007FF9A7965000-memory.dmp

Filesize
8KB

Download
memory/5084-16-0x00007FF9A7960000-0x00007FF9A8421000-memory.dmp

Filesize
10.8MB

Download
memory/5084-12-0x00007FF9A7960000-0x00007FF9A8421000-memory.dmp

Filesize
10.8MB

Download
memory/5084-11-0x00007FF9A7960000-0x00007FF9A8421000-memory.dmp

Filesize
10.8MB

Download

Analysis

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