03f93022fb2cd2d28f5078aa09e73362cad1c43b9b5f9f728ece01f15ef13325

General

Target

19b5299cb88a0be0067dc5f8f2f696c0.exe
Size

392KB
MD5

19b5299cb88a0be0067dc5f8f2f696c0
SHA1

794be30505a11a18122097312ae1c9cb00d31729
SHA256

03f93022fb2cd2d28f5078aa09e73362cad1c43b9b5f9f728ece01f15ef13325
SHA512

88bc52860aeec3a55124db5d0d51e1b163eb5e030d8dcc3c9493c37c0a93c9d0c9b63fc05950b932f4022ff85da5621f1c5a3b3c38af245219eed355fbfb6757
SSDEEP

12288:Dr8mi+OQwrlULCS4cTqtMFWEacV3/sHEQ:HSrQIueSVqiFfaU

Score

8^/10

discovery evasion persistence trojan

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	19b5299cb88a0be0067dc5f8f2f696c0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\hsavd = "C:\\Windows\\SysWOW64\\ole32Z.exe"	19b5299cb88a0be0067dc5f8f2f696c0.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	ole32Z.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	19b5299cb88a0be0067dc5f8f2f696c0.exe

Deletes itself 1 IoCs

pid	Process
2680	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
3008	ole32Z.exe

Loads dropped DLL 2 IoCs

pid	Process
1744	19b5299cb88a0be0067dc5f8f2f696c0.exe
1744	19b5299cb88a0be0067dc5f8f2f696c0.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	19b5299cb88a0be0067dc5f8f2f696c0.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ole32Z.exe	19b5299cb88a0be0067dc5f8f2f696c0.exe
File opened for modification	C:\Windows\SysWOW64\ole32Z.exe	19b5299cb88a0be0067dc5f8f2f696c0.exe

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

System Information Discovery
T1082

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2724	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1744	19b5299cb88a0be0067dc5f8f2f696c0.exe
1744	19b5299cb88a0be0067dc5f8f2f696c0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1744	19b5299cb88a0be0067dc5f8f2f696c0.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3008	ole32Z.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 3008	1744	19b5299cb88a0be0067dc5f8f2f696c0.exe	29
PID 1744 wrote to memory of 3008	1744	19b5299cb88a0be0067dc5f8f2f696c0.exe	29
PID 1744 wrote to memory of 3008	1744	19b5299cb88a0be0067dc5f8f2f696c0.exe	29
PID 1744 wrote to memory of 3008	1744	19b5299cb88a0be0067dc5f8f2f696c0.exe	29
PID 1744 wrote to memory of 2680	1744	19b5299cb88a0be0067dc5f8f2f696c0.exe	31
PID 1744 wrote to memory of 2680	1744	19b5299cb88a0be0067dc5f8f2f696c0.exe	31
PID 1744 wrote to memory of 2680	1744	19b5299cb88a0be0067dc5f8f2f696c0.exe	31
PID 1744 wrote to memory of 2680	1744	19b5299cb88a0be0067dc5f8f2f696c0.exe	31
PID 3008 wrote to memory of 2724	3008	ole32Z.exe	32
PID 3008 wrote to memory of 2724	3008	ole32Z.exe	32
PID 3008 wrote to memory of 2724	3008	ole32Z.exe	32
PID 3008 wrote to memory of 2724	3008	ole32Z.exe	32

C:\Users\Admin\AppData\Local\Temp\19b5299cb88a0be0067dc5f8f2f696c0.exe
"C:\Users\Admin\AppData\Local\Temp\19b5299cb88a0be0067dc5f8f2f696c0.exe"
1⤵
- Adds policy Run key to start application
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\SysWOW64\ole32Z.exe
  C:\Windows\SysWOW64\ole32Z.exe
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3008
- - C:\Windows\SysWOW64\ipconfig.exe
    "C:\Windows\system32\ipconfig.exe" /flushdns
    3⤵
    - Gathers network information
    PID:2724
- C:\Windows\SysWOW64\cmd.exe
  /c C:\Users\Admin\AppData\Local\Temp\~unins7619.bat "C:\Users\Admin\AppData\Local\Temp\19b5299cb88a0be0067dc5f8f2f696c0.exe"
  2⤵
  - Deletes itself
  PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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

Discovery

Query Registry

2

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\~unins7619.bat

Filesize
49B

MD5
9e0a2f5ab30517809b95a1ff1dd98c53

SHA1
5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

SHA256
97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

SHA512
e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

Download Submit
\Windows\SysWOW64\ole32Z.exe

Filesize
127KB

MD5
0dec2fd421f5ec8984749c52a115dd43

SHA1
c2c5997ce7204a3f83f5a8d13acf27f6a7bef589

SHA256
687a43440dfc0a06bc1202cee83987ef4558519017cab77ce1c9eef6b78fa953

SHA512
50c3204272dd6406b10780cceed28447a328f2ab1c4aa31f97da095c50ecba6e0ae55ccb336525711e03ad79f0b7c19e73fac89c68eab7cbc1d08a994b097020

Download Submit
memory/1744-0-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/1744-1-0x0000000000220000-0x00000000002C4000-memory.dmp

Filesize
656KB

Download
memory/1744-5-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1744-24-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads