3340354029daa5b9d7c6cf70ba07a9f713544e02beb1efa2980056b914e16964

General

Target

3340354029daa5b9d7c6cf70ba07a9f713544e02beb1efa2980056b914e16964N.exe
Size

171KB
MD5

c46894c8d773ea26fc91e52bddbe6320
SHA1

1cd84a1c2f67cce482a9a4d416e66294cf8d1d45
SHA256

3340354029daa5b9d7c6cf70ba07a9f713544e02beb1efa2980056b914e16964
SHA512

9b4625fb946160edfe57650279dec6c5bab26344a2c49fab5206b6462d2f1b5c96ed4adbd92ed705886845ed182c25581e965d4583a46e20359bf581d94bd58d
SSDEEP

3072:Gnr29ph7jXsmeK6ncKJQALI34b/Vkx7Ek8TAoLefHxzt48SG5KRXhN5FKMgI:W2XtjXmK6cAQJNElb6dPURN5Fpg

Score

7^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2748	zcrpa.exe

Executes dropped EXE 2 IoCs

pid	Process
2748	zcrpa.exe
2644	xcinsylpa.exe

Loads dropped DLL 7 IoCs

pid	Process
2368	cmd.exe
2368	cmd.exe
2748	zcrpa.exe
2644	xcinsylpa.exe
2644	xcinsylpa.exe
2644	xcinsylpa.exe
2644	xcinsylpa.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\ProMark = "c:\\Program Files\\wosey\\xcinsylpa.exe \"c:\\Program Files\\wosey\\xcinsylpa.dll\",Clean"	xcinsylpa.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)	\??\n:	xcinsylpa.exe
File opened (read-only)	\??\u:	xcinsylpa.exe
File opened (read-only)	\??\w:	xcinsylpa.exe
File opened (read-only)	\??\a:	xcinsylpa.exe
File opened (read-only)	\??\h:	xcinsylpa.exe
File opened (read-only)	\??\z:	xcinsylpa.exe
File opened (read-only)	\??\r:	xcinsylpa.exe
File opened (read-only)	\??\y:	xcinsylpa.exe
File opened (read-only)	\??\l:	xcinsylpa.exe
File opened (read-only)	\??\m:	xcinsylpa.exe
File opened (read-only)	\??\p:	xcinsylpa.exe
File opened (read-only)	\??\q:	xcinsylpa.exe
File opened (read-only)	\??\v:	xcinsylpa.exe
File opened (read-only)	\??\x:	xcinsylpa.exe
File opened (read-only)	\??\b:	xcinsylpa.exe
File opened (read-only)	\??\i:	xcinsylpa.exe
File opened (read-only)	\??\j:	xcinsylpa.exe
File opened (read-only)	\??\k:	xcinsylpa.exe
File opened (read-only)	\??\o:	xcinsylpa.exe
File opened (read-only)	\??\s:	xcinsylpa.exe
File opened (read-only)	\??\t:	xcinsylpa.exe
File opened (read-only)	\??\e:	xcinsylpa.exe
File opened (read-only)	\??\g:	xcinsylpa.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	xcinsylpa.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\wosey	zcrpa.exe
File created	\??\c:\Program Files\wosey\xcinsylpa.dll	zcrpa.exe
File created	\??\c:\Program Files\wosey\xcinsylpa.exe	zcrpa.exe
File opened for modification	\??\c:\Program Files\wosey\xcinsylpa.exe	zcrpa.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zcrpa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xcinsylpa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3340354029daa5b9d7c6cf70ba07a9f713544e02beb1efa2980056b914e16964N.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
2368	cmd.exe
2380	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	xcinsylpa.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	xcinsylpa.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2380	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2644	xcinsylpa.exe
2644	xcinsylpa.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2644	xcinsylpa.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1068	3340354029daa5b9d7c6cf70ba07a9f713544e02beb1efa2980056b914e16964N.exe
2748	zcrpa.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 2368	1068	3340354029daa5b9d7c6cf70ba07a9f713544e02beb1efa2980056b914e16964N.exe	30
PID 1068 wrote to memory of 2368	1068	3340354029daa5b9d7c6cf70ba07a9f713544e02beb1efa2980056b914e16964N.exe	30
PID 1068 wrote to memory of 2368	1068	3340354029daa5b9d7c6cf70ba07a9f713544e02beb1efa2980056b914e16964N.exe	30
PID 1068 wrote to memory of 2368	1068	3340354029daa5b9d7c6cf70ba07a9f713544e02beb1efa2980056b914e16964N.exe	30
PID 2368 wrote to memory of 2380	2368	cmd.exe	32
PID 2368 wrote to memory of 2380	2368	cmd.exe	32
PID 2368 wrote to memory of 2380	2368	cmd.exe	32
PID 2368 wrote to memory of 2380	2368	cmd.exe	32
PID 2368 wrote to memory of 2748	2368	cmd.exe	33
PID 2368 wrote to memory of 2748	2368	cmd.exe	33
PID 2368 wrote to memory of 2748	2368	cmd.exe	33
PID 2368 wrote to memory of 2748	2368	cmd.exe	33
PID 2748 wrote to memory of 2644	2748	zcrpa.exe	34
PID 2748 wrote to memory of 2644	2748	zcrpa.exe	34
PID 2748 wrote to memory of 2644	2748	zcrpa.exe	34
PID 2748 wrote to memory of 2644	2748	zcrpa.exe	34

C:\Users\Admin\AppData\Local\Temp\3340354029daa5b9d7c6cf70ba07a9f713544e02beb1efa2980056b914e16964N.exe
"C:\Users\Admin\AppData\Local\Temp\3340354029daa5b9d7c6cf70ba07a9f713544e02beb1efa2980056b914e16964N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1068
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\zcrpa.exe "C:\Users\Admin\AppData\Local\Temp\3340354029daa5b9d7c6cf70ba07a9f713544e02beb1efa2980056b914e16964N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2368
- - 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:2380
- - C:\Users\Admin\AppData\Local\Temp\zcrpa.exe
    C:\Users\Admin\AppData\Local\Temp\\zcrpa.exe "C:\Users\Admin\AppData\Local\Temp\3340354029daa5b9d7c6cf70ba07a9f713544e02beb1efa2980056b914e16964N.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:2748
  - - \??\c:\Program Files\wosey\xcinsylpa.exe
      "c:\Program Files\wosey\xcinsylpa.exe" "c:\Program Files\wosey\xcinsylpa.dll",Clean C:\Users\Admin\AppData\Local\Temp\zcrpa.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:2644

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

Replay Monitor

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Downloads

\??\c:\Program Files\wosey\xcinsylpa.dll

Filesize
160KB

MD5
063743ad7a070c593e035ceb7b77d306

SHA1
7ef9a703dc1bd67d6c85bb83e1519cbcde92f8fa

SHA256
b1e7aaae40640621c9a5c4a451b351d6fe5ffb39de979a882f24e6b64fdce821

SHA512
35ec5da36528c73ed0e738cdd7532ee50af088c934fc68466aeb51617e4d3b7825131cf2e04f060ad84be0cbfc0b224183c7924d86f3f2e9f4c39dad522323cc

Download Submit
\Program Files\wosey\xcinsylpa.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

Filesize
171KB

MD5
ebb9a5e45b0f37b531642990cd1b2db8

SHA1
e369a27c93252395066239920f448f46a2dd2b32

SHA256
5102b5f6991c93726f8c6ff88910fd31b34773faf3ef114b4d35b056d130dd10

SHA512
6473d198365c0ae3a34b2504df2d970a1a3e21b1a837c38ccf13de4702896e0d3f3815bb3e152bad39bfd99337650264c47731f0a8f009b31ed8c25890dfccb4

Download Submit
memory/1068-0-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1068-1-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/1068-4-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2368-8-0x0000000000340000-0x000000000039C000-memory.dmp

Filesize
368KB

Download
memory/2644-25-0x0000000010000000-0x0000000010058000-memory.dmp

Filesize
352KB

Download
memory/2644-26-0x0000000010000000-0x0000000010058000-memory.dmp

Filesize
352KB

Download
memory/2644-28-0x0000000010000000-0x0000000010058000-memory.dmp

Filesize
352KB

Download
memory/2748-10-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2748-17-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads