c29c02eb852594329cbdc535cbfd55de8de714d340d70561fac4bc0c02ee704c

General

Target

c29c02eb852594329cbdc535cbfd55de8de714d340d70561fac4bc0c02ee704c.exe
Size

406KB
MD5

07f9cbc4c1eaeb8aa02bf604263b8da4
SHA1

75657bfec2eede8d751238e046a5eb2b45578856
SHA256

c29c02eb852594329cbdc535cbfd55de8de714d340d70561fac4bc0c02ee704c
SHA512

bbd57f0ca87429e143bf38376208ad31899b8d79a4e5becc1c945538fa5714c36c67a1225f115cb35075fd65168d3aa5f57224f0bc357125bcd9d1fe7ece57bb
SSDEEP

6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Score

8^/10

bootkit persistence spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 10 IoCs

Processes:

rundll32.exe

flow	pid	process
3	1932	rundll32.exe
5	1932	rundll32.exe
6	1932	rundll32.exe
7	1932	rundll32.exe
8	1932	rundll32.exe
9	1932	rundll32.exe
10	1932	rundll32.exe
11	1932	rundll32.exe
13	1932	rundll32.exe
14	1932	rundll32.exe

Deletes itself 1 IoCs

Processes:

rzdfo.exe

pid process

2384 rzdfo.exe
Executes dropped EXE 1 IoCs

Processes:

rzdfo.exe

pid process

2384 rzdfo.exe
Loads dropped DLL 6 IoCs

Processes:

cmd.exerundll32.exe

pid process

1680 cmd.exe
1680 cmd.exe
1932 rundll32.exe
1932 rundll32.exe
1932 rundll32.exe
1932 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
2384	rzdfo.exe

pid	process
2384	rzdfo.exe

pid	process
1680	cmd.exe
1680	cmd.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\ddcgf\\urfklkudv.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)	\??\i:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\z:	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

1932 rundll32.exe
Drops file in Program Files directory 2 IoCs

Processes:

rzdfo.exe

description ioc process

File opened for modification \??\c:\Program Files\ddcgf rzdfo.exe
File created \??\c:\Program Files\ddcgf\urfklkudv.dll rzdfo.exe

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

description	ioc	process
File opened for modification	\??\c:\Program Files\ddcgf	rzdfo.exe
File created	\??\c:\Program Files\ddcgf\urfklkudv.dll	rzdfo.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

1724 PING.EXE

pid	process
1724	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	process
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe
1932	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description pid process

Token: SeDebugPrivilege 1932 rundll32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

c29c02eb852594329cbdc535cbfd55de8de714d340d70561fac4bc0c02ee704c.exerzdfo.exe

pid process

944 c29c02eb852594329cbdc535cbfd55de8de714d340d70561fac4bc0c02ee704c.exe
2384 rzdfo.exe

description	pid	process
Token: SeDebugPrivilege	1932	rundll32.exe

pid	process
944	c29c02eb852594329cbdc535cbfd55de8de714d340d70561fac4bc0c02ee704c.exe
2384	rzdfo.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

c29c02eb852594329cbdc535cbfd55de8de714d340d70561fac4bc0c02ee704c.execmd.exerzdfo.exe

description	pid	process	target process
PID 944 wrote to memory of 1680	944	c29c02eb852594329cbdc535cbfd55de8de714d340d70561fac4bc0c02ee704c.exe	cmd.exe
PID 944 wrote to memory of 1680	944	c29c02eb852594329cbdc535cbfd55de8de714d340d70561fac4bc0c02ee704c.exe	cmd.exe
PID 944 wrote to memory of 1680	944	c29c02eb852594329cbdc535cbfd55de8de714d340d70561fac4bc0c02ee704c.exe	cmd.exe
PID 944 wrote to memory of 1680	944	c29c02eb852594329cbdc535cbfd55de8de714d340d70561fac4bc0c02ee704c.exe	cmd.exe
PID 1680 wrote to memory of 1724	1680	cmd.exe	PING.EXE
PID 1680 wrote to memory of 1724	1680	cmd.exe	PING.EXE
PID 1680 wrote to memory of 1724	1680	cmd.exe	PING.EXE
PID 1680 wrote to memory of 1724	1680	cmd.exe	PING.EXE
PID 1680 wrote to memory of 2384	1680	cmd.exe	rzdfo.exe
PID 1680 wrote to memory of 2384	1680	cmd.exe	rzdfo.exe
PID 1680 wrote to memory of 2384	1680	cmd.exe	rzdfo.exe
PID 1680 wrote to memory of 2384	1680	cmd.exe	rzdfo.exe
PID 2384 wrote to memory of 1932	2384	rzdfo.exe	rundll32.exe
PID 2384 wrote to memory of 1932	2384	rzdfo.exe	rundll32.exe
PID 2384 wrote to memory of 1932	2384	rzdfo.exe	rundll32.exe
PID 2384 wrote to memory of 1932	2384	rzdfo.exe	rundll32.exe
PID 2384 wrote to memory of 1932	2384	rzdfo.exe	rundll32.exe
PID 2384 wrote to memory of 1932	2384	rzdfo.exe	rundll32.exe
PID 2384 wrote to memory of 1932	2384	rzdfo.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\c29c02eb852594329cbdc535cbfd55de8de714d340d70561fac4bc0c02ee704c.exe
"C:\Users\Admin\AppData\Local\Temp\c29c02eb852594329cbdc535cbfd55de8de714d340d70561fac4bc0c02ee704c.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:944

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\rzdfo.exe "C:\Users\Admin\AppData\Local\Temp\c29c02eb852594329cbdc535cbfd55de8de714d340d70561fac4bc0c02ee704c.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1680

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
3⤵
- Runs ping.exe
PID:1724

C:\Users\Admin\AppData\Local\Temp\rzdfo.exe
C:\Users\Admin\AppData\Local\Temp\\rzdfo.exe "C:\Users\Admin\AppData\Local\Temp\c29c02eb852594329cbdc535cbfd55de8de714d340d70561fac4bc0c02ee704c.exe"
3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2384

\??\c:\windows\SysWOW64\rundll32.exe
c:\windows\system32\rundll32.exe "c:\Program Files\ddcgf\urfklkudv.dll",Verify C:\Users\Admin\AppData\Local\Temp\rzdfo.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:1932

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\ddcgf\urfklkudv.dll
Filesize
228KB

MD5
ceb6789798e864ce928c20b0f740a699

SHA1
89857cc92e79151ac17bde744cf2fe5ef2d4ab4a

SHA256
8ef01f6122557d33448a75677866494f6cf8614d14db6fab6ab55ec962006b40

SHA512
b5ae181d164944e6d0c077376f00044001399b9424b7397f256d32fe6313bab184bd994bab07d2c2112d62e2c2d8ddfcee59daaf5276ae6f9d62a6dcdd012956

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

MD5
f31637e516dcfadb55efcac5f8a475e0

SHA1
f1940906e542d8303aefa2eee665d2c7d0a1d5a5

SHA256
66bad9b1441b37d33a8e4f4c32b7b9cd20d53d5dc2666f26ad8c4223d7b3fabc

SHA512
62ec4b3edb9b0d03191015910371986599d3ae509b39a79516efec0de51e864a17c68c3c61ffd69344ed5e32d5b192c8619636fa5f5cac798757859325a1ee06

Download Submit
memory/944-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/944-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1680-7-0x0000000000390000-0x00000000003F4000-memory.dmp

Filesize
400KB

Download
memory/1932-16-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/1932-17-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/1932-19-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2384-8-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2384-10-0x0000000000400000-0x0000000000464000-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