dridex | c6ec076b4821de409d2fa1416b8419635421b732960a62e62bac6161040ab342

General

Target

Invoice_94145565.xlsm
Size

334KB
MD5

84dfcbf8006b609714e14ae85d94baa4
SHA1

3cbd6c0a05e587d0ebcb46c125bcb9a31814865c
SHA256

c6ec076b4821de409d2fa1416b8419635421b732960a62e62bac6161040ab342
SHA512

d9fec51e549006a400d1822445833651dc99055478d637630885ec54a93608f0417a0b49056008d18fbdc5af1c8c9c760ae4bb4b50cbb9a30a2e02f67b92b920

Score

10^/10

dridex 22201 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22201

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	3636	3716	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/3148-277-0x0000000073560000-0x0000000073590000-memory.dmp	dridex_ldr

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

25 3636 mshta.exe
Downloads MZ/PE file
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

3148 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
25	3636	mshta.exe

pid	process
3148	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

3716 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXEmshta.exerundll32.exe

description	pid	process	target process
PID 3716 wrote to memory of 3636	3716	EXCEL.EXE	mshta.exe
PID 3716 wrote to memory of 3636	3716	EXCEL.EXE	mshta.exe
PID 3636 wrote to memory of 1988	3636	mshta.exe	rundll32.exe
PID 3636 wrote to memory of 1988	3636	mshta.exe	rundll32.exe
PID 1988 wrote to memory of 3148	1988	rundll32.exe	rundll32.exe
PID 1988 wrote to memory of 3148	1988	rundll32.exe	rundll32.exe
PID 1988 wrote to memory of 3148	1988	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_94145565.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3716

C:\Windows\SYSTEM32\mshta.exe
mshta C:\ProgramData//theChartTitle.sct
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:3636

C:\Windows\SYSTEM32\rundll32.exe
rundll32.exe C:\ProgramData\qSmartTagControlHelp.dll,AddLookaside
3⤵
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\ProgramData\qSmartTagControlHelp.dll,AddLookaside
4⤵
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3148

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

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Downloads

C:\ProgramData\qSmartTagControlHelp.dll
MD5
58bf730c02fb67e6de279877eb281925

SHA1
db2380c9d4e6ff9cd7dae6394f315753604adf6b

SHA256
fbd108648a43add9a2e400640f3e60a7f31971d748ad0e3f8531a17fa328e7c6

SHA512
b56283bc1a3f440d118e3c07b33dae78b4aca822fb18d195ed6754934cc210314a770cfede8d05b64357d785e75314c19f52a0e5c3841a69ca114e7936fd395f

Download Submit
C:\ProgramData\theChartTitle.sct
MD5
17554e4f20c91f8ba5810f4ac2ac24a8

SHA1
62faf509ab7acadf5ba052e8bd36370a65ea9629

SHA256
6553dd838a05151eb7ba9d84336187b165f12c7003e5e4b2b32a04979f42e1ab

SHA512
45f57db4500538e573c0dcbcac4472711a0f165dff3c6be616959d82ae3cea38cbfad567580ab0cd89e31da4378e5fee5bcb94cad24257175961e59f200f252f

Download Submit
\ProgramData\qSmartTagControlHelp.dll
MD5
58bf730c02fb67e6de279877eb281925

SHA1
db2380c9d4e6ff9cd7dae6394f315753604adf6b

SHA256
fbd108648a43add9a2e400640f3e60a7f31971d748ad0e3f8531a17fa328e7c6

SHA512
b56283bc1a3f440d118e3c07b33dae78b4aca822fb18d195ed6754934cc210314a770cfede8d05b64357d785e75314c19f52a0e5c3841a69ca114e7936fd395f

Download Submit
memory/1988-273-0x0000000000000000-mapping.dmp

Download
memory/3148-279-0x00000000006E0000-0x000000000082A000-memory.dmp

Filesize
1.3MB

Download
memory/3148-275-0x0000000000000000-mapping.dmp

Download
memory/3148-277-0x0000000073560000-0x0000000073590000-memory.dmp

Filesize
192KB

Download
memory/3636-264-0x0000000000000000-mapping.dmp

Download
memory/3716-121-0x00007FF9CF580000-0x00007FF9CF590000-memory.dmp

Filesize
64KB

Download
memory/3716-118-0x00007FF9CF580000-0x00007FF9CF590000-memory.dmp

Filesize
64KB

Download
memory/3716-117-0x00007FF9CF580000-0x00007FF9CF590000-memory.dmp

Filesize
64KB

Download
memory/3716-116-0x00007FF9CF580000-0x00007FF9CF590000-memory.dmp

Filesize
64KB

Download
memory/3716-123-0x000001994AB40000-0x000001994CA35000-memory.dmp

Filesize
31.0MB

Download
memory/3716-115-0x00007FF9CF580000-0x00007FF9CF590000-memory.dmp

Filesize
64KB

Download
memory/3716-122-0x00007FF9EFDA0000-0x00007FF9F0E8E000-memory.dmp

Filesize
16.9MB

Download
memory/3716-114-0x00007FF627E60000-0x00007FF62B416000-memory.dmp

Filesize
53.7MB

Download
memory/3716-93015-0x00007FF9CF580000-0x00007FF9CF590000-memory.dmp

Filesize
64KB

Download
memory/3716-93017-0x00007FF9CF580000-0x00007FF9CF590000-memory.dmp

Filesize
64KB

Download
memory/3716-93019-0x00007FF9CF580000-0x00007FF9CF590000-memory.dmp

Filesize
64KB

Download
memory/3716-93021-0x00007FF9CF580000-0x00007FF9CF590000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads