76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97

Analysis

max time kernel
147s
max time network
147s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-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 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2572-27-0x0000000010000000-0x0000000010065000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2572-28-0x0000000010000000-0x0000000010065000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2572-33-0x0000000010000000-0x0000000010065000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2572-34-0x0000000010000000-0x0000000010065000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

Deletes itself 1 IoCs

Processes:

zgaby.exe

pid process

3036 zgaby.exe
Executes dropped EXE 2 IoCs

Processes:

zgaby.exeoqjmyqjp.exe

pid process

3036 zgaby.exe
2572 oqjmyqjp.exe
Loads dropped DLL 7 IoCs

Processes:

cmd.exezgaby.exeoqjmyqjp.exe

pid process

1320 cmd.exe
1320 cmd.exe
3036 zgaby.exe
2572 oqjmyqjp.exe
2572 oqjmyqjp.exe
2572 oqjmyqjp.exe
2572 oqjmyqjp.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
3036	zgaby.exe

pid	process
3036	zgaby.exe
2572	oqjmyqjp.exe

pid	process
1320	cmd.exe
1320	cmd.exe
3036	zgaby.exe
2572	oqjmyqjp.exe
2572	oqjmyqjp.exe
2572	oqjmyqjp.exe
2572	oqjmyqjp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

oqjmyqjp.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\Flash = "c:\\Program Files\\rflvw\\oqjmyqjp.exe \"c:\\Program Files\\rflvw\\oqjmyqjp.dll\",CreateFlashAdapterHlink"	oqjmyqjp.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:

oqjmyqjp.exe

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

oqjmyqjp.exe

description ioc process

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

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

Drops file in Program Files directory 4 IoCs

Processes:

zgaby.exe

description	ioc	process
File opened for modification	\??\c:\Program Files\rflvw	zgaby.exe
File created	\??\c:\Program Files\rflvw\oqjmyqjp.dll	zgaby.exe
File created	\??\c:\Program Files\rflvw\oqjmyqjp.exe	zgaby.exe
File opened for modification	\??\c:\Program Files\rflvw\oqjmyqjp.exe	zgaby.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:

oqjmyqjp.exe

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2980 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

oqjmyqjp.exe

pid process

2572 oqjmyqjp.exe
2572 oqjmyqjp.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

oqjmyqjp.exe

description pid process

Token: SeDebugPrivilege 2572 oqjmyqjp.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.exezgaby.exe

pid process

2156 76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.exe
3036 zgaby.exe

pid	process
2980	PING.EXE

pid	process
2572	oqjmyqjp.exe
2572	oqjmyqjp.exe

description	pid	process
Token: SeDebugPrivilege	2572	oqjmyqjp.exe

pid	process
2156	76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.exe
3036	zgaby.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.execmd.exezgaby.exe

description	pid	process	target process
PID 2156 wrote to memory of 1320	2156	76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.exe	cmd.exe
PID 2156 wrote to memory of 1320	2156	76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.exe	cmd.exe
PID 2156 wrote to memory of 1320	2156	76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.exe	cmd.exe
PID 2156 wrote to memory of 1320	2156	76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.exe	cmd.exe
PID 1320 wrote to memory of 2980	1320	cmd.exe	PING.EXE
PID 1320 wrote to memory of 2980	1320	cmd.exe	PING.EXE
PID 1320 wrote to memory of 2980	1320	cmd.exe	PING.EXE
PID 1320 wrote to memory of 2980	1320	cmd.exe	PING.EXE
PID 1320 wrote to memory of 3036	1320	cmd.exe	zgaby.exe
PID 1320 wrote to memory of 3036	1320	cmd.exe	zgaby.exe
PID 1320 wrote to memory of 3036	1320	cmd.exe	zgaby.exe
PID 1320 wrote to memory of 3036	1320	cmd.exe	zgaby.exe
PID 3036 wrote to memory of 2572	3036	zgaby.exe	oqjmyqjp.exe
PID 3036 wrote to memory of 2572	3036	zgaby.exe	oqjmyqjp.exe
PID 3036 wrote to memory of 2572	3036	zgaby.exe	oqjmyqjp.exe
PID 3036 wrote to memory of 2572	3036	zgaby.exe	oqjmyqjp.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:2156

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\zgaby.exe "C:\Users\Admin\AppData\Local\Temp\76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1320

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
3⤵
- Runs ping.exe
PID:2980

C:\Users\Admin\AppData\Local\Temp\zgaby.exe
C:\Users\Admin\AppData\Local\Temp\\zgaby.exe "C:\Users\Admin\AppData\Local\Temp\76ca06d3d7194e0e8101f5ecc327e2fef80be6c82c1fecc7aaa1d06b28c6ce97.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:3036

\??\c:\Program Files\rflvw\oqjmyqjp.exe
"c:\Program Files\rflvw\oqjmyqjp.exe" "c:\Program Files\rflvw\oqjmyqjp.dll",CreateFlashAdapter C:\Users\Admin\AppData\Local\Temp\zgaby.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:2572

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

\Program Files\rflvw\oqjmyqjp.dll
Filesize
132KB

MD5
fdb1f8256cab45d4ab92aa68e2537de4

SHA1
00878a7b5a3659fd0e5a0c0928fc6437091f344c

SHA256
56cacc4a32ccdd1ae4a4b4a15711d9dbff53094174b6a098de73b32be1138642

SHA512
9de01863e840aa99730888d5f1f225e2a72e98a8d25f21ad31bccb68affe68f0ee3b80048d60df4aa4f00d5a226d0664e9eac0dd49b62d227fc1e3b621df24ec

Download Submit
\Program Files\rflvw\oqjmyqjp.exe
Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Users\Admin\AppData\Local\Temp\zgaby.exe
Filesize
226KB

MD5
3a01cb87f464ba65f5f3fae72424c641

SHA1
1d83ef862984b35528e687eb13c81771b0d79b0f

SHA256
4916d3bbe218c9a56b28331c8a20286543d3c48a02d466507b3e6141e01e196b

SHA512
bc9aa09730b7bad4dc68fc476b3ad235859e613455f42895b6b6c006d366a2c8ccf7652053c7575a66a95ab7b8a40690665aba613ef4416f67bed3bb9b7370d5

Download Submit
memory/2156-1-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2156-3-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2156-0-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2572-26-0x0000000010041000-0x0000000010065000-memory.dmp

Filesize
144KB

Download
memory/2572-22-0x0000000010000000-0x0000000010065000-memory.dmp

Filesize
404KB

Download
memory/2572-27-0x0000000010000000-0x0000000010065000-memory.dmp

Filesize
404KB

Download
memory/2572-28-0x0000000010000000-0x0000000010065000-memory.dmp

Filesize
404KB

Download
memory/2572-33-0x0000000010000000-0x0000000010065000-memory.dmp

Filesize
404KB

Download
memory/2572-34-0x0000000010000000-0x0000000010065000-memory.dmp

Filesize
404KB

Download
memory/3036-15-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/3036-8-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download