e388eb34fe4d280633609f6acec12a3e73c288f8b69ce402c3d24c0d0f5524f3

Analysis

max time kernel
148s
max time network
114s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
12/07/2026, 08:28

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General

Target
AJANAIMPEX-RFQ TRI755.exe
Size 3.1MB
Sample260712-kdd3ragx2x
SHA256 e388eb34fe4d280633609f6acec12a3e73c288f8b69ce402c3d24c0d0f5524f3
MD5 649a42628af11e7484faa1ca0e20362d
SHA1 6c96ee0d6b7d1a0a7927178dad35b85532108295
SHA512 815618a3f9ab0c8efa3523bd9bd6bdd02320bd14dfa78927856c63b4b1c94227e9e53ed2de1813c7edfa1f348c9cc05dff83cca706237720b7fa4670b3ad3cc5
SSDEEP 49152:Ya5IaG5gtern9ahApw4X0C+Lp8vSsraJXQyh7zus5FiJk7TLVT/Z9LeB:YiIagz7VN0C8KsBlE
TLSH
T176E59E5673E841E8F0B7D6B4CEA68213EFB37C451732C65F02988A5A1F23B615E39721
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

collection discovery persistence

Malware Config

Signatures

Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2246396966-3025826688-3847171515-1000\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\" AJANAIMPEX-RFQ TRI755.exe"	AJANAIMPEX-RFQ TRI755.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4052 set thread context of 4136	4052	AJANAIMPEX-RFQ TRI755.exe	90

Executes dropped EXE 1 IoCs

pid	Process
2576	DCRCVDrv.sys

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

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	jsc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	jsc.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4136	jsc.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
828	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4136	jsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4136	jsc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4052 wrote to memory of 4136	4052	AJANAIMPEX-RFQ TRI755.exe	90
PID 4052 wrote to memory of 4136	4052	AJANAIMPEX-RFQ TRI755.exe	90
PID 4052 wrote to memory of 4136	4052	AJANAIMPEX-RFQ TRI755.exe	90
PID 4052 wrote to memory of 4136	4052	AJANAIMPEX-RFQ TRI755.exe	90
PID 4136 wrote to memory of 5744	4136	jsc.exe	97
PID 4136 wrote to memory of 5744	4136	jsc.exe	97
PID 4136 wrote to memory of 5744	4136	jsc.exe	97
PID 4136 wrote to memory of 5744	4136	jsc.exe	97
PID 4136 wrote to memory of 5744	4136	jsc.exe	97
PID 4136 wrote to memory of 5744	4136	jsc.exe	97
PID 4136 wrote to memory of 5744	4136	jsc.exe	97
PID 4136 wrote to memory of 5744	4136	jsc.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2246396966-3025826688-3847171515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

C:\Users\Admin\AppData\Local\Temp\AJANAIMPEX-RFQ TRI755.exe
"C:\Users\Admin\AppData\Local\Temp\AJANAIMPEX-RFQ TRI755.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4052
- 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
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  PID:4136
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe" all --output-path "C:\Users\Admin\AppData\Local\Temp\952784320712706eccda243f9a7f4a51"
    3⤵
    PID:5744

C:\Windows\Temp\DCRCVDrv.sys
C:\Windows\Temp\DCRCVDrv.sys
1⤵
- Executes dropped EXE
PID:2576

C:\Windows\system32\cmd.exe
"cmd /c start "" /D "C:\ProgramData\java updater" AJANAIMPEX-RFQ TRI755.exe"
1⤵
PID:4900

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

Query Registry

T1012

System Information Discovery

T1082

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/2576-2-0x0000000000010000-0x000000000003D000-memory.dmp

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memory/4136-12-0x00000000054E0000-0x0000000005546000-memory.dmp

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memory/4136-10-0x0000000074502000-0x0000000074503000-memory.dmp

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memory/4136-11-0x00000000059D0000-0x0000000005F8A000-memory.dmp

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memory/4136-13-0x00000000744F0000-0x0000000074CAC000-memory.dmp

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memory/4136-9-0x0000000000400000-0x0000000000466000-memory.dmp

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memory/4136-14-0x0000000006230000-0x00000000062C2000-memory.dmp

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memory/4136-15-0x00000000067A0000-0x00000000067AA000-memory.dmp

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memory/4136-18-0x0000000007870000-0x0000000007A32000-memory.dmp

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memory/4136-19-0x0000000007730000-0x00000000077A6000-memory.dmp

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memory/4136-20-0x0000000074502000-0x0000000074503000-memory.dmp

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memory/4136-21-0x00000000744F0000-0x0000000074CAC000-memory.dmp

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memory/5744-17-0x0000021B2A640000-0x0000021B2A650000-memory.dmp

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