cad9d89a39a1573d40214f23d59b72b03b035eed80a562022fc8dd88800df00e

General

Target

cad9d89a39a1573d40214f23d59b72b03b035eed80a562022fc8dd88800df00eN.exe
Size

221KB
MD5

bea46091b01466823436c3f717261ae0
SHA1

cfdbb7ff82b47ff8f076ceb8d0ef5c99f296b73d
SHA256

cad9d89a39a1573d40214f23d59b72b03b035eed80a562022fc8dd88800df00e
SHA512

5af35259991ee4e2c38f1f4d78531a0dca3e7391c37e4b3988859b04be6362b8926b156bcb57d18cc1041832b20dd34f8c9196402ee6c6c7acd36bf780440a35
SSDEEP

6144:x2vnAaPNJT3lhZ/8tgt79Jad3vqaFlgi:inAONJJ/CgZ65rX

Score

7^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2316	hdvjg.exe

Executes dropped EXE 2 IoCs

pid	Process
2316	hdvjg.exe
2928	lyd.exe

Loads dropped DLL 7 IoCs

pid	Process
3004	cmd.exe
3004	cmd.exe
2316	hdvjg.exe
2928	lyd.exe
2928	lyd.exe
2928	lyd.exe
2928	lyd.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

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\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\SHR = "c:\\Program Files\\irbtv\\lyd.exe \"c:\\Program Files\\irbtv\\lydtf.dll\",Scheduler"	lyd.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\g:	lyd.exe
File opened (read-only)	\??\n:	lyd.exe
File opened (read-only)	\??\s:	lyd.exe
File opened (read-only)	\??\t:	lyd.exe
File opened (read-only)	\??\x:	lyd.exe
File opened (read-only)	\??\b:	lyd.exe
File opened (read-only)	\??\m:	lyd.exe
File opened (read-only)	\??\p:	lyd.exe
File opened (read-only)	\??\r:	lyd.exe
File opened (read-only)	\??\w:	lyd.exe
File opened (read-only)	\??\y:	lyd.exe
File opened (read-only)	\??\a:	lyd.exe
File opened (read-only)	\??\k:	lyd.exe
File opened (read-only)	\??\q:	lyd.exe
File opened (read-only)	\??\u:	lyd.exe
File opened (read-only)	\??\v:	lyd.exe
File opened (read-only)	\??\o:	lyd.exe
File opened (read-only)	\??\z:	lyd.exe
File opened (read-only)	\??\e:	lyd.exe
File opened (read-only)	\??\h:	lyd.exe
File opened (read-only)	\??\i:	lyd.exe
File opened (read-only)	\??\j:	lyd.exe
File opened (read-only)	\??\l:	lyd.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	lyd.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\irbtv	hdvjg.exe
File created	\??\c:\Program Files\irbtv\lydtf.dll	hdvjg.exe
File created	\??\c:\Program Files\irbtv\lyd.exe	hdvjg.exe
File opened for modification	\??\c:\Program Files\irbtv\lyd.exe	hdvjg.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	cad9d89a39a1573d40214f23d59b72b03b035eed80a562022fc8dd88800df00eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hdvjg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lyd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3004	cmd.exe
2164	PING.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	lyd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	lyd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2164	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2928	lyd.exe
2928	lyd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2928	lyd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2980	cad9d89a39a1573d40214f23d59b72b03b035eed80a562022fc8dd88800df00eN.exe
2316	hdvjg.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 3004	2980	cad9d89a39a1573d40214f23d59b72b03b035eed80a562022fc8dd88800df00eN.exe	30
PID 2980 wrote to memory of 3004	2980	cad9d89a39a1573d40214f23d59b72b03b035eed80a562022fc8dd88800df00eN.exe	30
PID 2980 wrote to memory of 3004	2980	cad9d89a39a1573d40214f23d59b72b03b035eed80a562022fc8dd88800df00eN.exe	30
PID 2980 wrote to memory of 3004	2980	cad9d89a39a1573d40214f23d59b72b03b035eed80a562022fc8dd88800df00eN.exe	30
PID 3004 wrote to memory of 2164	3004	cmd.exe	32
PID 3004 wrote to memory of 2164	3004	cmd.exe	32
PID 3004 wrote to memory of 2164	3004	cmd.exe	32
PID 3004 wrote to memory of 2164	3004	cmd.exe	32
PID 3004 wrote to memory of 2316	3004	cmd.exe	33
PID 3004 wrote to memory of 2316	3004	cmd.exe	33
PID 3004 wrote to memory of 2316	3004	cmd.exe	33
PID 3004 wrote to memory of 2316	3004	cmd.exe	33
PID 2316 wrote to memory of 2928	2316	hdvjg.exe	34
PID 2316 wrote to memory of 2928	2316	hdvjg.exe	34
PID 2316 wrote to memory of 2928	2316	hdvjg.exe	34
PID 2316 wrote to memory of 2928	2316	hdvjg.exe	34

C:\Users\Admin\AppData\Local\Temp\cad9d89a39a1573d40214f23d59b72b03b035eed80a562022fc8dd88800df00eN.exe
"C:\Users\Admin\AppData\Local\Temp\cad9d89a39a1573d40214f23d59b72b03b035eed80a562022fc8dd88800df00eN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\hdvjg.exe "C:\Users\Admin\AppData\Local\Temp\cad9d89a39a1573d40214f23d59b72b03b035eed80a562022fc8dd88800df00eN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3004
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2164
- - C:\Users\Admin\AppData\Local\Temp\hdvjg.exe
    C:\Users\Admin\AppData\Local\Temp\\hdvjg.exe "C:\Users\Admin\AppData\Local\Temp\cad9d89a39a1573d40214f23d59b72b03b035eed80a562022fc8dd88800df00eN.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2316
  - - \??\c:\Program Files\irbtv\lyd.exe
      "c:\Program Files\irbtv\lyd.exe" "c:\Program Files\irbtv\lydtf.dll",Scheduler C:\Users\Admin\AppData\Local\Temp\hdvjg.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

\??\c:\Program Files\irbtv\lydtf.dll

Filesize
184KB

MD5
414f7571a613fcd90820c3be7cc680fd

SHA1
3131d89fa27bb591dbb78209ec63452f2a94ce02

SHA256
29f0dc250fc2365f66783822b2326b9fcebaa21ebe9c0658693a01dea3a87064

SHA512
70b247b8249d604dcd8d271761fedcb54ac6c3fac56d9e69efe6f22f939382b8d9dcb0dc5e93cddb7669618ceaf93c74b18f24a5345ec999041307099cc6136c

Download Submit
\Program Files\irbtv\lyd.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Users\Admin\AppData\Local\Temp\hdvjg.exe

Filesize
221KB

MD5
7ca4ffca18a57de14574c071898efbad

SHA1
cec90ef25d82907b07cd32698f4e6dcc8eea95c4

SHA256
d025b09023905a552187557648b4ffc4bf08f4eab961e1688b4fcead12f78c30

SHA512
12128f13602c0bb51c02aef2aaec792ad7cbf9ff0011f0302696713543fc9e65d2169351cc4283e30ea37bf39102892668903c1d86a4aa91558a5d888c6ea913

Download Submit
memory/2316-12-0x0000000000400000-0x000000000045001D-memory.dmp

Filesize
320KB

Download
memory/2316-19-0x0000000000400000-0x000000000045001D-memory.dmp

Filesize
320KB

Download
memory/2316-11-0x0000000000400000-0x000000000045001D-memory.dmp

Filesize
320KB

Download
memory/2928-27-0x0000000010000000-0x0000000010074000-memory.dmp

Filesize
464KB

Download
memory/2928-30-0x0000000010000000-0x0000000010074000-memory.dmp

Filesize
464KB

Download
memory/2928-29-0x0000000010000000-0x0000000010074000-memory.dmp

Filesize
464KB

Download
memory/2928-26-0x0000000010000000-0x0000000010074000-memory.dmp

Filesize
464KB

Download
memory/2928-31-0x0000000010000000-0x0000000010074000-memory.dmp

Filesize
464KB

Download
memory/2928-34-0x0000000010000000-0x0000000010074000-memory.dmp

Filesize
464KB

Download
memory/2980-0-0x0000000000400000-0x000000000045001D-memory.dmp

Filesize
320KB

Download
memory/2980-2-0x0000000000400000-0x000000000045001D-memory.dmp

Filesize
320KB

Download
memory/2980-4-0x0000000000400000-0x000000000045001D-memory.dmp

Filesize
320KB

Download
memory/2980-1-0x0000000000400000-0x000000000045001D-memory.dmp

Filesize
320KB

Download
memory/3004-8-0x0000000000220000-0x0000000000271000-memory.dmp

Filesize
324KB

Download
memory/3004-9-0x0000000000220000-0x0000000000271000-memory.dmp

Filesize
324KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads