858e5243a61b64dbd6072e50a43bd30ce225b827c9a0ed6d5dfb769c142260a4

General

Target

858e5243a61b64dbd6072e50a43bd30ce225b827c9a0ed6d5dfb769c142260a4.exe
Size

297KB
MD5

96e04cfe91e9f13cd4a189584dde878e
SHA1

75e6a63c91102e5878c99dc7a18aa2490d096b35
SHA256

858e5243a61b64dbd6072e50a43bd30ce225b827c9a0ed6d5dfb769c142260a4
SHA512

d1fd288782f175a151d07cc2897ad623f38eae792761b33d6b8a0e7f34c66510eb5e8196ae38a335afd15bd59e7eee0ff38af83ba99988a8e792d800cf75b364
SSDEEP

6144:CJlWTQXs31lALDBwFcC6nt/HVNVoi0567mZ/CMHX/5jaT1N2:eNXSlASj6t/HV8iU/zHxjaRQ

Score

9^/10

bootkit persistence spyware stealer

Malware Config

Signatures

Detects executables containing base64 encoded User Agent 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2716-26-0x0000000010000000-0x000000001008A000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2716-28-0x0000000010000000-0x000000001008A000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

Detects executables packed with VMProtect. 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/348-0-0x0000000000400000-0x0000000000495000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
\Users\Admin\AppData\Local\Temp\zbcef.exe	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/1580-6-0x0000000002380000-0x0000000002415000-memory.dmp	INDICATOR_EXE_Packed_VMProtect

Deletes itself 1 IoCs

Processes:

zbcef.exe

pid process

2612 zbcef.exe
Executes dropped EXE 2 IoCs

Processes:

zbcef.exeshia.exe

pid process

2612 zbcef.exe
2716 shia.exe
Loads dropped DLL 7 IoCs

Processes:

cmd.exezbcef.exeshia.exe

pid process

1580 cmd.exe
1580 cmd.exe
2612 zbcef.exe
2716 shia.exe
2716 shia.exe
2716 shia.exe
2716 shia.exe
Reads user/profile data of web browsers 2 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

pid	process
2612	zbcef.exe

pid	process
2612	zbcef.exe
2716	shia.exe

pid	process
1580	cmd.exe
1580	cmd.exe
2612	zbcef.exe
2716	shia.exe
2716	shia.exe
2716	shia.exe
2716	shia.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

shia.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\HFF = "c:\\Program Files\\cndvq\\shia.exe \"c:\\Program Files\\cndvq\\shiar.dll\",FindFrame"	shia.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

Processes:

shia.exe

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

Processes:

shia.exe

description ioc process

File opened for modification \??\PHYSICALDRIVE0 shia.exe

description	ioc	process
File opened for modification	\??\PHYSICALDRIVE0	shia.exe

Drops file in Program Files directory 4 IoCs

Processes:

zbcef.exe

description	ioc	process
File opened for modification	\??\c:\Program Files\cndvq	zbcef.exe
File created	\??\c:\Program Files\cndvq\shiar.dll	zbcef.exe
File created	\??\c:\Program Files\cndvq\shia.exe	zbcef.exe
File opened for modification	\??\c:\Program Files\cndvq\shia.exe	zbcef.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

Processes:

shia.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	shia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	shia.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2652 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

shia.exe

pid process

2716 shia.exe
2716 shia.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

shia.exe

description pid process

Token: SeDebugPrivilege 2716 shia.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

858e5243a61b64dbd6072e50a43bd30ce225b827c9a0ed6d5dfb769c142260a4.exezbcef.exe

pid process

348 858e5243a61b64dbd6072e50a43bd30ce225b827c9a0ed6d5dfb769c142260a4.exe
2612 zbcef.exe

pid	process
2652	PING.EXE

pid	process
2716	shia.exe
2716	shia.exe

description	pid	process
Token: SeDebugPrivilege	2716	shia.exe

pid	process
348	858e5243a61b64dbd6072e50a43bd30ce225b827c9a0ed6d5dfb769c142260a4.exe
2612	zbcef.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

858e5243a61b64dbd6072e50a43bd30ce225b827c9a0ed6d5dfb769c142260a4.execmd.exezbcef.exe

description	pid	process	target process
PID 348 wrote to memory of 1580	348	858e5243a61b64dbd6072e50a43bd30ce225b827c9a0ed6d5dfb769c142260a4.exe	cmd.exe
PID 348 wrote to memory of 1580	348	858e5243a61b64dbd6072e50a43bd30ce225b827c9a0ed6d5dfb769c142260a4.exe	cmd.exe
PID 348 wrote to memory of 1580	348	858e5243a61b64dbd6072e50a43bd30ce225b827c9a0ed6d5dfb769c142260a4.exe	cmd.exe
PID 348 wrote to memory of 1580	348	858e5243a61b64dbd6072e50a43bd30ce225b827c9a0ed6d5dfb769c142260a4.exe	cmd.exe
PID 1580 wrote to memory of 2652	1580	cmd.exe	PING.EXE
PID 1580 wrote to memory of 2652	1580	cmd.exe	PING.EXE
PID 1580 wrote to memory of 2652	1580	cmd.exe	PING.EXE
PID 1580 wrote to memory of 2652	1580	cmd.exe	PING.EXE
PID 1580 wrote to memory of 2612	1580	cmd.exe	zbcef.exe
PID 1580 wrote to memory of 2612	1580	cmd.exe	zbcef.exe
PID 1580 wrote to memory of 2612	1580	cmd.exe	zbcef.exe
PID 1580 wrote to memory of 2612	1580	cmd.exe	zbcef.exe
PID 2612 wrote to memory of 2716	2612	zbcef.exe	shia.exe
PID 2612 wrote to memory of 2716	2612	zbcef.exe	shia.exe
PID 2612 wrote to memory of 2716	2612	zbcef.exe	shia.exe
PID 2612 wrote to memory of 2716	2612	zbcef.exe	shia.exe

C:\Users\Admin\AppData\Local\Temp\858e5243a61b64dbd6072e50a43bd30ce225b827c9a0ed6d5dfb769c142260a4.exe
"C:\Users\Admin\AppData\Local\Temp\858e5243a61b64dbd6072e50a43bd30ce225b827c9a0ed6d5dfb769c142260a4.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:348

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\zbcef.exe "C:\Users\Admin\AppData\Local\Temp\858e5243a61b64dbd6072e50a43bd30ce225b827c9a0ed6d5dfb769c142260a4.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1580

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
3⤵
- Runs ping.exe
PID:2652

C:\Users\Admin\AppData\Local\Temp\zbcef.exe
C:\Users\Admin\AppData\Local\Temp\\zbcef.exe "C:\Users\Admin\AppData\Local\Temp\858e5243a61b64dbd6072e50a43bd30ce225b827c9a0ed6d5dfb769c142260a4.exe"
3⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2612

\??\c:\Program Files\cndvq\shia.exe
"c:\Program Files\cndvq\shia.exe" "c:\Program Files\cndvq\shiar.dll",FindFrame C:\Users\Admin\AppData\Local\Temp\zbcef.exe
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2716

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

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

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

\??\c:\Program Files\cndvq\shiar.dll

Filesize
236KB

MD5
7b20baafeadf7c4e39f0ed64d60f35ea

SHA1
2a52a7a2add22961622200f7916f6534224ba5b6

SHA256
f892183a6745c31a4bebd31221d68b72ed0421dea42f972a75ea21816fb823fa

SHA512
aa80763cd07fc24be129c9e386da6405e4687ceb8f0866629d40b4cd72b4fe6fe408aa00488916d0847c9ff8168a42ca22528ed4a3bc55854d17514a2c87a51b

Download Submit
\Program Files\cndvq\shia.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

Filesize
297KB

MD5
2a79d344c71a733d03fcfb273b21e095

SHA1
f57ddd65b893a73397f4f9e609fcfff4d115661c

SHA256
662426be73a667b45469e4b2c69897bc319469ecbb7ba424dc777829c440202f

SHA512
0539d52f40e629e5c142471746dee75de27ab7c2630f5b7ac1a17a50e602194bef81f178acf64cbe40219a865a99fbf382e31a00e51d9a2dbb8af68ab059ca91

Download Submit
memory/348-0-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download
memory/348-2-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download
memory/348-4-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download
memory/1580-6-0x0000000002380000-0x0000000002415000-memory.dmp

Filesize
596KB

Download
memory/2612-10-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download
memory/2612-18-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download
memory/2716-25-0x0000000010000000-0x000000001008A000-memory.dmp

Filesize
552KB

Download
memory/2716-26-0x0000000010000000-0x000000001008A000-memory.dmp

Filesize
552KB

Download
memory/2716-28-0x0000000010000000-0x000000001008A000-memory.dmp

Filesize
552KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads