76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 23:04

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General

Target

76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.exe
Size

226KB
MD5

f44254e470fa8547f8b8660c765616c9
SHA1

a10016383fc51910a897ad860620cd8b8af0241c
SHA256

76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97
SHA512

d0bb5e6b3f891014e9749c5b09de005a68ff0d3e456ffc23f64f3667701f0e2033afbf90c09880f628f8aede77bc894a792aaa6416cea3c3a5d6127d77d1b68c
SSDEEP

6144:sXJ88CQbV3dj3rHwzBt5vxcalHqqFJqokNbb8pWd1RQE:ahCQbR5Ut5r8okN133

Score

9^/10

bootkit persistence spyware stealer

Malware Config

Signatures

Detects executables containing base64 encoded User Agent 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5068-21-0x0000000010000000-0x0000000010065000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/5068-22-0x0000000010000000-0x0000000010065000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/5068-26-0x0000000010000000-0x0000000010065000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

Deletes itself 1 IoCs

Processes:

nqvgwh.exe

pid process

4928 nqvgwh.exe
Executes dropped EXE 2 IoCs

Processes:

nqvgwh.exehzt.exe

pid process

4928 nqvgwh.exe
5068 hzt.exe
Loads dropped DLL 1 IoCs

Processes:

hzt.exe

pid process

5068 hzt.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
4928	nqvgwh.exe

pid	process
4928	nqvgwh.exe
5068	hzt.exe

pid	process
5068	hzt.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

hzt.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Flash = "c:\\Program Files\\zglrhz\\hzt.exe \"c:\\Program Files\\zglrhz\\hzttu.dll\",CreateFlashAdapterHlink"	hzt.exe

Enumerates connected drives 3 TTPs 2 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:

hzt.exe

description ioc process

File opened (read-only) \??\a: hzt.exe
File opened (read-only) \??\b: hzt.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:

hzt.exe

description ioc process

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

description	ioc	process
File opened (read-only)	\??\a:	hzt.exe
File opened (read-only)	\??\b:	hzt.exe

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

Drops file in Program Files directory 4 IoCs

Processes:

nqvgwh.exe

description	ioc	process
File opened for modification	\??\c:\Program Files\zglrhz\hzt.exe	nqvgwh.exe
File opened for modification	\??\c:\Program Files\zglrhz	nqvgwh.exe
File created	\??\c:\Program Files\zglrhz\hzttu.dll	nqvgwh.exe
File created	\??\c:\Program Files\zglrhz\hzt.exe	nqvgwh.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:

hzt.exe

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

664 PING.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

hzt.exe

pid process

5068 hzt.exe
5068 hzt.exe
5068 hzt.exe
5068 hzt.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

hzt.exe

description pid process

Token: SeDebugPrivilege 5068 hzt.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.exenqvgwh.exe

pid process

636 76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.exe
4928 nqvgwh.exe

pid	process
664	PING.EXE

pid	process
5068	hzt.exe
5068	hzt.exe
5068	hzt.exe
5068	hzt.exe

description	pid	process
Token: SeDebugPrivilege	5068	hzt.exe

pid	process
636	76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.exe
4928	nqvgwh.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.execmd.exenqvgwh.exe

description	pid	process	target process
PID 636 wrote to memory of 3308	636	76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.exe	cmd.exe
PID 636 wrote to memory of 3308	636	76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.exe	cmd.exe
PID 636 wrote to memory of 3308	636	76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.exe	cmd.exe
PID 3308 wrote to memory of 664	3308	cmd.exe	PING.EXE
PID 3308 wrote to memory of 664	3308	cmd.exe	PING.EXE
PID 3308 wrote to memory of 664	3308	cmd.exe	PING.EXE
PID 3308 wrote to memory of 4928	3308	cmd.exe	nqvgwh.exe
PID 3308 wrote to memory of 4928	3308	cmd.exe	nqvgwh.exe
PID 3308 wrote to memory of 4928	3308	cmd.exe	nqvgwh.exe
PID 4928 wrote to memory of 5068	4928	nqvgwh.exe	hzt.exe
PID 4928 wrote to memory of 5068	4928	nqvgwh.exe	hzt.exe
PID 4928 wrote to memory of 5068	4928	nqvgwh.exe	hzt.exe

C:\Users\Admin\AppData\Local\Temp\76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.exe
"C:\Users\Admin\AppData\Local\Temp\76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:636

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\nqvgwh.exe "C:\Users\Admin\AppData\Local\Temp\76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3308

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
3⤵
- Runs ping.exe
PID:664

C:\Users\Admin\AppData\Local\Temp\nqvgwh.exe
C:\Users\Admin\AppData\Local\Temp\\nqvgwh.exe "C:\Users\Admin\AppData\Local\Temp\76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.exe"
3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4928

\??\c:\Program Files\zglrhz\hzt.exe
"c:\Program Files\zglrhz\hzt.exe" "c:\Program Files\zglrhz\hzttu.dll",CreateFlashAdapter C:\Users\Admin\AppData\Local\Temp\nqvgwh.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:5068

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3980 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
1⤵
PID:4912

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Program Files\zglrhz\hzt.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\Users\Admin\AppData\Local\Temp\nqvgwh.exe
Filesize
226KB

MD5
2e336033eddbe3deb2ae16f9a5322f49

SHA1
356fc6031651e82fde5403b13cc922a70d6a2f4a

SHA256
2863ca06c8fc457ca21a08102b2b1fb09031cd4acdae72c073cdc6e6158d0379

SHA512
436de145b998a2b8ee0f78d619aff9c948805068e8d36beb6cae608892eac392d60442c5f2c9a7eacef23d59dcef0893eeca7a916ebf2d1989a2f3a48c72a10d

Download Submit
\??\c:\Program Files\zglrhz\hzttu.dll
Filesize
132KB

MD5
8781c82f04bfb83a3d9eed120bca4977

SHA1
07cf987435ff6601640b7d95b6cd09dd8841efcc

SHA256
7d698f636fc370c78bc2a3d6c93ae6b0fc0f65ac62cbd6025f72202278d29e34

SHA512
39e6002018c9960a5d7979f5112882e4349e89eeb0452d2f8f97408009d365621c90cbd59b5fc177af32880420b073611779f081a0d72fff151333ecf8f4eb89

Download Submit
memory/636-0-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/636-1-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/636-3-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/4928-12-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/4928-7-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/5068-16-0x0000000010000000-0x0000000010065000-memory.dmp

Filesize
404KB

Download
memory/5068-17-0x0000000010000000-0x0000000010065000-memory.dmp

Filesize
404KB

Download
memory/5068-21-0x0000000010000000-0x0000000010065000-memory.dmp

Filesize
404KB

Download
memory/5068-20-0x0000000010041000-0x0000000010065000-memory.dmp

Filesize
144KB

Download
memory/5068-22-0x0000000010000000-0x0000000010065000-memory.dmp

Filesize
404KB

Download
memory/5068-26-0x0000000010000000-0x0000000010065000-memory.dmp

Filesize
404KB

Download