dridex | 190b2cdfa53eaab02c24d69923988103a84cd2862c6c9d70a18feebbb3f0bc64

General

Target

Invoice_78518423.xlsm
Size

89KB
MD5

6a27e232270583b5c1796cf988d79ee4
SHA1

94e9f16d09a2031ecd04631782875eb95109dba7
SHA256

190b2cdfa53eaab02c24d69923988103a84cd2862c6c9d70a18feebbb3f0bc64
SHA512

9141228262c7f188d16579b96f89d7a021deb193448cbcd0f7790eca757720b1efcc28a52bc51fb85697021adca66243fe2ba86c1d9cd3c50a90c0c7cf22405b

Score

10^/10

dridex 22202 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22202

C2

45.79.33.48:443

139.162.202.74:5007

68.183.216.174:7443

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

mshta.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2236	632	mshta.exe	EXCEL.EXE

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/4088-272-0x0000000073FB0000-0x0000000073FE0000-memory.dmp	dridex_ldr

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

24 2236 mshta.exe
Downloads MZ/PE file
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

4088 rundll32.exe
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

flow	pid	process
24	2236	mshta.exe

pid	process
4088	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

632 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXEmshta.exerundll32.exe

description	pid	process	target process
PID 632 wrote to memory of 2236	632	EXCEL.EXE	mshta.exe
PID 632 wrote to memory of 2236	632	EXCEL.EXE	mshta.exe
PID 2236 wrote to memory of 416	2236	mshta.exe	rundll32.exe
PID 2236 wrote to memory of 416	2236	mshta.exe	rundll32.exe
PID 416 wrote to memory of 4088	416	rundll32.exe	rundll32.exe
PID 416 wrote to memory of 4088	416	rundll32.exe	rundll32.exe
PID 416 wrote to memory of 4088	416	rundll32.exe	rundll32.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Invoice_78518423.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:632

C:\Windows\SYSTEM32\mshta.exe
mshta C:\ProgramData//theLeftBracket.sct
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:2236

C:\Windows\SYSTEM32\rundll32.exe
rundll32.exe C:\ProgramData\qMetric.dll,AddLookaside
3⤵
- Suspicious use of WriteProcessMemory
PID:416

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\ProgramData\qMetric.dll,AddLookaside
4⤵
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4088

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

3

T1082

Query Registry

2

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\qMetric.dll
MD5
d0a9777d063838dbf9d566a8ae327c4e

SHA1
6f92815c9209e5d1e1bc1100b5f6c59502ab32d8

SHA256
cbe76441844bd0b28afb2b183f52ef3bec4c2a4b26884219049ba2618a823989

SHA512
174082c78d9ea76724cee9736a07400e3cb24b1d4ba0d6f4e4e4ab2b89043633af5f67cb853edd6af33f894149c66787a4eecf69dfe35abea50c1b283fdceefb

Download Submit
C:\ProgramData\theLeftBracket.sct
MD5
0fc3881f0596c188f04ea9fd9454de9c

SHA1
a6142ba2dec7985b52f8213e089e6902a5a23fa3

SHA256
b13adab47379a8d7142d79514c2c14075a3878106298b0c4ccc9bf6fba09554a

SHA512
47c8aaa2b6009d5579a8cc41abb20a73bfbad0ae1fe0484aa531f7632951eb66460624cfb2876ee7c9d0c520d191ee23b300fb0f448e3446bc6cb5a78cca2878

Download Submit
\ProgramData\qMetric.dll
MD5
d0a9777d063838dbf9d566a8ae327c4e

SHA1
6f92815c9209e5d1e1bc1100b5f6c59502ab32d8

SHA256
cbe76441844bd0b28afb2b183f52ef3bec4c2a4b26884219049ba2618a823989

SHA512
174082c78d9ea76724cee9736a07400e3cb24b1d4ba0d6f4e4e4ab2b89043633af5f67cb853edd6af33f894149c66787a4eecf69dfe35abea50c1b283fdceefb

Download Submit
memory/416-268-0x0000000000000000-mapping.dmp

Download
memory/632-122-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/632-86899-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/632-121-0x00007FFAE5120000-0x00007FFAE620E000-memory.dmp

Filesize
16.9MB

Download
memory/632-123-0x00007FFAE3220000-0x00007FFAE5115000-memory.dmp

Filesize
31.0MB

Download
memory/632-114-0x00007FF6C1CE0000-0x00007FF6C5296000-memory.dmp

Filesize
53.7MB

Download
memory/632-118-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/632-117-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/632-116-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/632-86904-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/632-115-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/632-86901-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/632-86900-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/2236-264-0x0000000000000000-mapping.dmp

Download
memory/4088-274-0x00000000033E0000-0x000000000352A000-memory.dmp

Filesize
1.3MB

Download
memory/4088-272-0x0000000073FB0000-0x0000000073FE0000-memory.dmp

Filesize
192KB

Download
memory/4088-270-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads