29d2883b60589deaef0334a8469301e3d99ee0873494d9f7b3ad525bd5a0c08d

General

Target

29d2883b60589deaef0334a8469301e3d99ee0873494d9f7b3ad525bd5a0c08d.exe
Size

406KB
MD5

b2fccebf32a1b4de3df7b1531615cd1d
SHA1

a74d3db3e94b416000d4b75318ac0f3caaeca1a6
SHA256

29d2883b60589deaef0334a8469301e3d99ee0873494d9f7b3ad525bd5a0c08d
SHA512

a65ce07a13c80753b4ef8a4ac7d610653b21dfd0f291e8ab5f2b235d95c8d27a5c9f1dd438a478dac0e9b2160659562d9db8b776b25c358aa565b7f308ee5f3c
SSDEEP

6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4G:gtRfJcNYFNm8UhlZGseG

Score

8^/10

bootkit persistence spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 10 IoCs

Processes:

rundll32.exe

flow	pid	process
3	2532	rundll32.exe
7	2532	rundll32.exe
8	2532	rundll32.exe
9	2532	rundll32.exe
10	2532	rundll32.exe
13	2532	rundll32.exe
14	2532	rundll32.exe
15	2532	rundll32.exe
17	2532	rundll32.exe
18	2532	rundll32.exe

Deletes itself 1 IoCs

Processes:

teprf.exe

pid process

2616 teprf.exe
Executes dropped EXE 1 IoCs

Processes:

teprf.exe

pid process

2616 teprf.exe
Loads dropped DLL 6 IoCs

Processes:

cmd.exerundll32.exe

pid process

2948 cmd.exe
2948 cmd.exe
2532 rundll32.exe
2532 rundll32.exe
2532 rundll32.exe
2532 rundll32.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
2616	teprf.exe

pid	process
2616	teprf.exe

pid	process
2948	cmd.exe
2948	cmd.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\hazmysg\\joxvp.dll\",Verify"	rundll32.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:

rundll32.exe

description	ioc	process
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.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:

rundll32.exe

description ioc process

File opened for modification \??\PHYSICALDRIVE0 rundll32.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

rundll32.exe

pid process

2532 rundll32.exe
Drops file in Program Files directory 2 IoCs

Processes:

teprf.exe

description ioc process

File opened for modification \??\c:\Program Files\hazmysg teprf.exe
File created \??\c:\Program Files\hazmysg\joxvp.dll teprf.exe

description	ioc	process
File opened for modification	\??\PHYSICALDRIVE0	rundll32.exe

description	ioc	process
File opened for modification	\??\c:\Program Files\hazmysg	teprf.exe
File created	\??\c:\Program Files\hazmysg\joxvp.dll	teprf.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:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3064 PING.EXE

pid	process
3064	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	process
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe
2532	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description pid process

Token: SeDebugPrivilege 2532 rundll32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

29d2883b60589deaef0334a8469301e3d99ee0873494d9f7b3ad525bd5a0c08d.exeteprf.exe

pid process

2692 29d2883b60589deaef0334a8469301e3d99ee0873494d9f7b3ad525bd5a0c08d.exe
2616 teprf.exe

description	pid	process
Token: SeDebugPrivilege	2532	rundll32.exe

pid	process
2692	29d2883b60589deaef0334a8469301e3d99ee0873494d9f7b3ad525bd5a0c08d.exe
2616	teprf.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

29d2883b60589deaef0334a8469301e3d99ee0873494d9f7b3ad525bd5a0c08d.execmd.exeteprf.exe

description	pid	process	target process
PID 2692 wrote to memory of 2948	2692	29d2883b60589deaef0334a8469301e3d99ee0873494d9f7b3ad525bd5a0c08d.exe	cmd.exe
PID 2692 wrote to memory of 2948	2692	29d2883b60589deaef0334a8469301e3d99ee0873494d9f7b3ad525bd5a0c08d.exe	cmd.exe
PID 2692 wrote to memory of 2948	2692	29d2883b60589deaef0334a8469301e3d99ee0873494d9f7b3ad525bd5a0c08d.exe	cmd.exe
PID 2692 wrote to memory of 2948	2692	29d2883b60589deaef0334a8469301e3d99ee0873494d9f7b3ad525bd5a0c08d.exe	cmd.exe
PID 2948 wrote to memory of 3064	2948	cmd.exe	PING.EXE
PID 2948 wrote to memory of 3064	2948	cmd.exe	PING.EXE
PID 2948 wrote to memory of 3064	2948	cmd.exe	PING.EXE
PID 2948 wrote to memory of 3064	2948	cmd.exe	PING.EXE
PID 2948 wrote to memory of 2616	2948	cmd.exe	teprf.exe
PID 2948 wrote to memory of 2616	2948	cmd.exe	teprf.exe
PID 2948 wrote to memory of 2616	2948	cmd.exe	teprf.exe
PID 2948 wrote to memory of 2616	2948	cmd.exe	teprf.exe
PID 2616 wrote to memory of 2532	2616	teprf.exe	rundll32.exe
PID 2616 wrote to memory of 2532	2616	teprf.exe	rundll32.exe
PID 2616 wrote to memory of 2532	2616	teprf.exe	rundll32.exe
PID 2616 wrote to memory of 2532	2616	teprf.exe	rundll32.exe
PID 2616 wrote to memory of 2532	2616	teprf.exe	rundll32.exe
PID 2616 wrote to memory of 2532	2616	teprf.exe	rundll32.exe
PID 2616 wrote to memory of 2532	2616	teprf.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\29d2883b60589deaef0334a8469301e3d99ee0873494d9f7b3ad525bd5a0c08d.exe
"C:\Users\Admin\AppData\Local\Temp\29d2883b60589deaef0334a8469301e3d99ee0873494d9f7b3ad525bd5a0c08d.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2692

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\teprf.exe "C:\Users\Admin\AppData\Local\Temp\29d2883b60589deaef0334a8469301e3d99ee0873494d9f7b3ad525bd5a0c08d.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2948

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
3⤵
- Runs ping.exe
PID:3064

C:\Users\Admin\AppData\Local\Temp\teprf.exe
C:\Users\Admin\AppData\Local\Temp\\teprf.exe "C:\Users\Admin\AppData\Local\Temp\29d2883b60589deaef0334a8469301e3d99ee0873494d9f7b3ad525bd5a0c08d.exe"
3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2616

\??\c:\windows\SysWOW64\rundll32.exe
c:\windows\system32\rundll32.exe "c:\Program Files\hazmysg\joxvp.dll",Verify C:\Users\Admin\AppData\Local\Temp\teprf.exe
4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2532

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\??\c:\Program Files\hazmysg\joxvp.dll
Filesize
228KB

MD5
f402dbdefc899fc0c715892569683fc6

SHA1
c8d511c28bcd521997f4db084c93dbb362877494

SHA256
e843f4885deccb3c80eb5284c686999da1ce951029657b0dcafb7208c5de74ad

SHA512
0aa311d81a764c0be1320e1b32b2b388ddfea2d9a4ef6fc2765fd6a389fc95b4d513ca28bf4f61b85fcc7bec18a17cab3ccdaff520ecc874544e97e1c461d697

Download Submit
\Users\Admin\AppData\Local\Temp\teprf.exe
Filesize
406KB

MD5
367d862409ddd505304f54fd22c64ffe

SHA1
4421127004d9ed5c6da590dc3f7caa7c532db5a8

SHA256
6c26079d08d65d1fe9fdee7b1e9cc0d4ab69a77943e55a67520ed4b44fc2c731

SHA512
c208cf689ddc7edfcedfefafcf49546e253150261adafdb94cb94749b4b0f7c37471b0d59710a6734368a3b1c49fea742bab342c8f7b6ba1f21db95d0023596d

Download Submit
memory/2532-16-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2532-17-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2532-12-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2532-19-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2532-20-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2616-9-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2692-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2692-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2948-5-0x0000000000190000-0x00000000001F4000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads