dridex | f045bc5d0dc4890be3163fa236c403dab3d444e92fd5ddc0356dbf3f25f829af

General

Target

f045bc5d0dc4890be3163fa236c403dab3d444e92fd5ddc0356dbf3f25f829af.dll
Size

830KB
MD5

8c1c54884b90c015330ef19c0cb0a4fc
SHA1

e222675107a78e19648479a3a994f63fcc58f2a2
SHA256

f045bc5d0dc4890be3163fa236c403dab3d444e92fd5ddc0356dbf3f25f829af
SHA512

bf4cbee52dfe8c7dd5ab33a8b8e121d9d9cc92b2ebf720026dc3dd4e48f16bb8a5c0970cf7a4dc18b547c3ed4632ae48b1628f46c85436d0dc947baaf886b4e3

Score

10^/10

dridex 10555 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10555

C2

146.164.126.197:443

69.16.193.166:9443

193.90.12.122:3098

157.245.103.132:14043

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1920-4-0x0000000073F00000-0x0000000073F3A000-memory.dmp	dridex_ldr
behavioral1/memory/1920-5-0x0000000073F00000-0x0000000073F3A000-memory.dmp	dridex_ldr

Dridex Loader 'dmod' strings 2 IoCs

Detects 'dmod' strings in Dridex loader.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1920-4-0x0000000073F00000-0x0000000073F3A000-memory.dmp	dridex_ldr_dmod
behavioral1/memory/1920-5-0x0000000073F00000-0x0000000073F3A000-memory.dmp	dridex_ldr_dmod

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

6 1920 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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
6	1920	rundll32.exe

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1108 wrote to memory of 1920	1108	rundll32.exe	rundll32.exe
PID 1108 wrote to memory of 1920	1108	rundll32.exe	rundll32.exe
PID 1108 wrote to memory of 1920	1108	rundll32.exe	rundll32.exe
PID 1108 wrote to memory of 1920	1108	rundll32.exe	rundll32.exe
PID 1108 wrote to memory of 1920	1108	rundll32.exe	rundll32.exe
PID 1108 wrote to memory of 1920	1108	rundll32.exe	rundll32.exe
PID 1108 wrote to memory of 1920	1108	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f045bc5d0dc4890be3163fa236c403dab3d444e92fd5ddc0356dbf3f25f829af.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1108

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f045bc5d0dc4890be3163fa236c403dab3d444e92fd5ddc0356dbf3f25f829af.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1920

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1452-7-0x000007FEF7510000-0x000007FEF778A000-memory.dmp

Filesize
2.5MB

Download
memory/1920-2-0x0000000000000000-mapping.dmp

Download
memory/1920-3-0x00000000760D1000-0x00000000760D3000-memory.dmp

Filesize
8KB

Download
memory/1920-4-0x0000000073F00000-0x0000000073F3A000-memory.dmp

Filesize
232KB

Download
memory/1920-5-0x0000000073F00000-0x0000000073F3A000-memory.dmp

Filesize
232KB

Download
memory/1920-6-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads