agenttesla | 83ce591d7b27d20266951ffa68fa339e4b1d85e30c46b4f962feaf02b6638fd6

Analysis

user interaction
yes
max time kernel
148s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
06/08/2026, 17:10

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General

Target
Sample.exe
Size 3.3MB
Sample260806-vpsqdsweqd
SHA256 83ce591d7b27d20266951ffa68fa339e4b1d85e30c46b4f962feaf02b6638fd6
MD5 3e724c812b9a4f294eb89514929c10ae
SHA1 ea097e250612e20c37762fdd0df22c68dba58d36
SHA512 b24bdc009f2aef70a3838abcca44ea955016456434169a35ea3628c7d3486601824be614263f9bb6afac74ea53073e4c90f9c108d0e357fb1d1896c41cfc1747
SSDEEP 49152:rHAHVFOQRRBIu4snPOiHnbw0ZgFfg1amjvMWyR6/QTQHVfAqndzj:KjlvEWyRnQHSa
TLSH
T1A1F58D55ABD806F4E47AD630C9D6B332C6B1BCF70631824B0964E6CDDE735924FEA221
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

collection discovery agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot8901115160:AAFpqBSJS1iWHEv-28o3SN5HTM3-lnjsgas/

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
4568	DCRCVDrv.sys

Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\java updater = "cmd /c start \"\" /D \"C:\\ProgramData\\java updater\" Sample.exe"	Sample.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2560 set thread context of 2924	2560	Sample.exe	93

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	jsc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2924	jsc.exe
2924	jsc.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
804	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2924	jsc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2924	2560	Sample.exe	93
PID 2560 wrote to memory of 2924	2560	Sample.exe	93
PID 2560 wrote to memory of 2924	2560	Sample.exe	93
PID 2560 wrote to memory of 2924	2560	Sample.exe	93
PID 2560 wrote to memory of 2924	2560	Sample.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

C:\Users\Admin\AppData\Local\Temp\Sample.exe
"C:\Users\Admin\AppData\Local\Temp\Sample.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  PID:2924

C:\Windows\Temp\DCRCVDrv.sys
C:\Windows\Temp\DCRCVDrv.sys
1⤵
- Executes dropped EXE
PID:4568

C:\Windows\system32\cmd.exe
"cmd /c start "" /D "C:\ProgramData\java updater" Sample.exe"
1⤵
PID:2736

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

DCRCVDrv.sys

Path C:\Windows\Temp\DCRCVDrv.sys
Size 137KB
SHA256 87e8d39db624f37d3e77aedf487a2dfd197f71a4730ea74f4e7a4341deaec2ff
MD5 567c158ee0858f8e941d4ab7a6c18dbc
SHA1 47d922b0fd5d704025d14ef98ded46e74830a423
SHA512 f976cb8e9a2f0fc769e2e4345d18e1e9f01fdb1c4303eb20d94b625467e60ce20dd120e77a96d9ba498361dd6dc0066535404cb22cf99fc49607d1f35eaed2ab
SSDEEP 3072:6pEFTp46B6ETbeP/ItLK9Di8/4BQaeJzP:Y8Tp46B6EOLgBQX
TLSH
T10CD33A12A36550A4E977E2B8C6B65263EFF37861133547CF03608A654F23BE4B93A3D1
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2924-4-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2924-5-0x0000000075132000-0x0000000075133000-memory.dmp

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memory/2924-6-0x0000000005C80000-0x000000000623A000-memory.dmp

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memory/2924-7-0x0000000005830000-0x0000000005896000-memory.dmp

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memory/2924-8-0x0000000075120000-0x00000000758DC000-memory.dmp

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memory/2924-9-0x0000000006760000-0x00000000067B0000-memory.dmp

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memory/2924-10-0x0000000006850000-0x00000000068E2000-memory.dmp

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memory/2924-11-0x0000000006750000-0x000000000675A000-memory.dmp

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memory/2924-12-0x0000000075132000-0x0000000075133000-memory.dmp

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memory/2924-13-0x0000000075120000-0x00000000758DC000-memory.dmp

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memory/4568-2-0x0000000000010000-0x000000000003D000-memory.dmp

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