dridex | e08fa4239a4c5ed68a5efd79953489da0ba5c3505c19888be83533dea837f99c

General

Target

Invoice_020634.xlsm
Size

73KB
MD5

86a156d545f23e81be35433443bb6da2
SHA1

c5df03d08806f1faa990ea3a71ac447aecc7185c
SHA256

e08fa4239a4c5ed68a5efd79953489da0ba5c3505c19888be83533dea837f99c
SHA512

18f07926d0d8f59243824c19825c5b1c6e8589c40b13d780f280ae9279f186c05c8a48768301b68926086eb82803da923bfa154844a1af9ace0a2d0c0010bbd8

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	1236	4068	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/752-271-0x00000000755E0000-0x0000000075610000-memory.dmp	dridex_ldr

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

24 1236 mshta.exe
Downloads MZ/PE file
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

752 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	1236	mshta.exe

pid	process
752	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

4068 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXEmshta.exerundll32.exe

description	pid	process	target process
PID 4068 wrote to memory of 1236	4068	EXCEL.EXE	mshta.exe
PID 4068 wrote to memory of 1236	4068	EXCEL.EXE	mshta.exe
PID 1236 wrote to memory of 2112	1236	mshta.exe	rundll32.exe
PID 1236 wrote to memory of 2112	1236	mshta.exe	rundll32.exe
PID 2112 wrote to memory of 752	2112	rundll32.exe	rundll32.exe
PID 2112 wrote to memory of 752	2112	rundll32.exe	rundll32.exe
PID 2112 wrote to memory of 752	2112	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_020634.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4068

C:\Windows\SYSTEM32\mshta.exe
mshta C:\ProgramData//theSourceQuery.sct
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1236

C:\Windows\SYSTEM32\rundll32.exe
rundll32.exe C:\ProgramData\qSides.dll,AddLookaside
3⤵
- Suspicious use of WriteProcessMemory
PID:2112

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\ProgramData\qSides.dll,AddLookaside
4⤵
- Loads dropped DLL
- Checks whether UAC is enabled
PID:752

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\qSides.dll
MD5
02e1f7df34415ccd004320ce55c0ff05

SHA1
72c99a54916d987c896bd40e0cad8a99d3898edf

SHA256
e474b412e62ee6b6b270e0c4d1666a8c66ddac50277bccbc83a01fd8f36aca6d

SHA512
565e6ad0166b27caaff4576ebc314fc73283ae7ebe120fe4e6ceba1d6d44f409498965e80f55c021db219b17dc6f72f3b0ac182a8a85ad4d105e2ecca8391cc0

Download Submit
C:\ProgramData\theSourceQuery.sct
MD5
5c56b7f33c69ec4b073ff35a29a539c0

SHA1
c3d3c992e7ea804bb3d07558666351fcd7bba4aa

SHA256
d329171de4aee78c1edf6df59c1d7d33b3f2763e6273ce4636347a47eb5d951e

SHA512
1ecc81c62f6b968cb6530bf36d6b66aad821f40bb1f45921d0720160bc285a0118ddf0505c437470ba2cbd5a3029b497454dc75f0e63bb20338f47e9676a1ffd

Download Submit
\ProgramData\qSides.dll
MD5
02e1f7df34415ccd004320ce55c0ff05

SHA1
72c99a54916d987c896bd40e0cad8a99d3898edf

SHA256
e474b412e62ee6b6b270e0c4d1666a8c66ddac50277bccbc83a01fd8f36aca6d

SHA512
565e6ad0166b27caaff4576ebc314fc73283ae7ebe120fe4e6ceba1d6d44f409498965e80f55c021db219b17dc6f72f3b0ac182a8a85ad4d105e2ecca8391cc0

Download Submit
memory/752-273-0x0000000002C00000-0x0000000002D4A000-memory.dmp

Filesize
1.3MB

Download
memory/752-271-0x00000000755E0000-0x0000000075610000-memory.dmp

Filesize
192KB

Download
memory/752-269-0x0000000000000000-mapping.dmp

Download
memory/1236-263-0x0000000000000000-mapping.dmp

Download
memory/2112-267-0x0000000000000000-mapping.dmp

Download
memory/4068-123-0x00007FFDC1130000-0x00007FFDC3025000-memory.dmp

Filesize
31.0MB

Download
memory/4068-122-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/4068-114-0x00007FF6B0CB0000-0x00007FF6B4266000-memory.dmp

Filesize
53.7MB

Download
memory/4068-121-0x00007FFDC3030000-0x00007FFDC411E000-memory.dmp

Filesize
16.9MB

Download
memory/4068-118-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/4068-117-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/4068-116-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/4068-115-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/4068-91312-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/4068-91314-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/4068-91316-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/4068-91317-0x00007FFDA2790000-0x00007FFDA27A0000-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