agenttesla | 2519bbebc428eba2edd212d0916d9ece44caa5da428c3156ed2ba855d7087ce9

General

Target

Invoice.PDF.exe
Size

544KB
MD5

c20ea89a8dd690dd656113e9bb2cc3e8
SHA1

7159178162a6153620b71e732a795956ed3a7b67
SHA256

a446d6dacbe5bac46382ed7f6302f21ba7b2a903cce90eab8b48387df8b0622f
SHA512

6b4801e22f4886e8695b9e2b1a7eaed76866cd30838e225b66e26fd9e9d129771f7db57eb81a33b37b186e6d5f28ec65de0998ef59cf53f94a885aab5c4e1e69
SSDEEP

12288:vKnxBgWh5mj/jmHLb3rfvMiazc0M76DDAIgFrNx6tgC07kyLL1XXMQ+q:ong77jcaA0++kIgFj6tgjoyLJnM

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.vrgenergy.com
Port:
587
Username:
[email protected]
Password:
MDnp3vhy*5VD
Email To:
[email protected]

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	Invoice.PDF.exe

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice.PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice.PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice.PDF.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yGbzOMp = "C:\\Users\\Admin\\AppData\\Roaming\\yGbzOMp\\yGbzOMp.exe"	Invoice.PDF.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4324 set thread context of 504	4324	Invoice.PDF.exe	95

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
4960	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4312	powershell.exe
4312	powershell.exe
504	Invoice.PDF.exe
504	Invoice.PDF.exe
504	Invoice.PDF.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4312	powershell.exe
Token: SeDebugPrivilege	504	Invoice.PDF.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4324 wrote to memory of 4312	4324	Invoice.PDF.exe	91
PID 4324 wrote to memory of 4312	4324	Invoice.PDF.exe	91
PID 4324 wrote to memory of 4312	4324	Invoice.PDF.exe	91
PID 4324 wrote to memory of 4960	4324	Invoice.PDF.exe	93
PID 4324 wrote to memory of 4960	4324	Invoice.PDF.exe	93
PID 4324 wrote to memory of 4960	4324	Invoice.PDF.exe	93
PID 4324 wrote to memory of 504	4324	Invoice.PDF.exe	95
PID 4324 wrote to memory of 504	4324	Invoice.PDF.exe	95
PID 4324 wrote to memory of 504	4324	Invoice.PDF.exe	95
PID 4324 wrote to memory of 504	4324	Invoice.PDF.exe	95
PID 4324 wrote to memory of 504	4324	Invoice.PDF.exe	95
PID 4324 wrote to memory of 504	4324	Invoice.PDF.exe	95
PID 4324 wrote to memory of 504	4324	Invoice.PDF.exe	95
PID 4324 wrote to memory of 504	4324	Invoice.PDF.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice.PDF.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice.PDF.exe

C:\Users\Admin\AppData\Local\Temp\Invoice.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.PDF.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4324
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lpuHojKpdYmD.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4312
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lpuHojKpdYmD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFAD6.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4960
- C:\Users\Admin\AppData\Local\Temp\Invoice.PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice.PDF.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:504

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpFAD6.tmp

Filesize
1KB

MD5
c64e1346aa41de5f480f36902a8fbc55

SHA1
d7163ebbf39147d9fa717f1b3c46dc27b804fabc

SHA256
be0715e340a9bb0d6b333334489f1db6063ef77018e10b037a9ca76e7144b98b

SHA512
e070088fec3d69e16078a98eca0f430ac5c6368b7b15de2e74f322b438a5e1a02e60ba9be57a414c0617270d74a3aaa1f2615a0f6af87a7a777e757eb59176f8

Download Submit
memory/504-156-0x0000000006240000-0x0000000006290000-memory.dmp

Filesize
320KB

Download
memory/504-143-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4312-150-0x00000000077D0000-0x00000000077EE000-memory.dmp

Filesize
120KB

Download
memory/4312-152-0x0000000007B60000-0x0000000007B7A000-memory.dmp

Filesize
104KB

Download
memory/4312-158-0x0000000007E90000-0x0000000007E98000-memory.dmp

Filesize
32KB

Download
memory/4312-139-0x0000000005290000-0x00000000052C6000-memory.dmp

Filesize
216KB

Download
memory/4312-157-0x0000000007EA0000-0x0000000007EBA000-memory.dmp

Filesize
104KB

Download
memory/4312-141-0x0000000005930000-0x0000000005F58000-memory.dmp

Filesize
6.2MB

Download
memory/4312-155-0x0000000007DA0000-0x0000000007DAE000-memory.dmp

Filesize
56KB

Download
memory/4312-154-0x0000000007DE0000-0x0000000007E76000-memory.dmp

Filesize
600KB

Download
memory/4312-144-0x0000000005880000-0x00000000058A2000-memory.dmp

Filesize
136KB

Download
memory/4312-145-0x0000000006060000-0x00000000060C6000-memory.dmp

Filesize
408KB

Download
memory/4312-146-0x00000000060D0000-0x0000000006136000-memory.dmp

Filesize
408KB

Download
memory/4312-147-0x0000000006860000-0x000000000687E000-memory.dmp

Filesize
120KB

Download
memory/4312-148-0x0000000007810000-0x0000000007842000-memory.dmp

Filesize
200KB

Download
memory/4312-149-0x00000000706A0000-0x00000000706EC000-memory.dmp

Filesize
304KB

Download
memory/4312-153-0x0000000007BD0000-0x0000000007BDA000-memory.dmp

Filesize
40KB

Download
memory/4312-151-0x00000000081B0000-0x000000000882A000-memory.dmp

Filesize
6.5MB

Download
memory/4324-132-0x0000000000120000-0x00000000001AE000-memory.dmp

Filesize
568KB

Download
memory/4324-134-0x0000000004B20000-0x0000000004BB2000-memory.dmp

Filesize
584KB

Download
memory/4324-135-0x0000000004CE0000-0x0000000004CEA000-memory.dmp

Filesize
40KB

Download
memory/4324-133-0x0000000005180000-0x0000000005724000-memory.dmp

Filesize
5.6MB

Download
memory/4324-136-0x00000000071C0000-0x000000000725C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads