dridex | 78c0595297a8ec52bdeca6c43038f1686863a6875382a2a582300c2e735834e3

General

Target

78c0595297a8ec52bdeca6c43038f1686863a6875382a2a582300c2e735834e3.dll
Size

188KB
MD5

bffbf94a52464c74ed0ff11553a65f94
SHA1

7be37168fc7b965c01aeca2cb811ae3c3d80fd1d
SHA256

78c0595297a8ec52bdeca6c43038f1686863a6875382a2a582300c2e735834e3
SHA512

82645c34c9008cbd02f405c2270c72440780325d9af1b859c963193bc557abcc530d7c53c964788100d735241981a9a92fc7372499f4e9bf938b5734464b7810

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

116.251.211.158:443

216.10.242.142:6601

37.247.35.137:6601

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/1672-4-0x00000000752E0000-0x0000000075311000-memory.dmp	dridex_ldr
behavioral1/memory/1672-6-0x00000000752E0000-0x00000000752FF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

4 1672 rundll32.exe
7 1672 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
4	1672	rundll32.exe
7	1672	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 1724 wrote to memory of 1672	1724	rundll32.exe	rundll32.exe
PID 1724 wrote to memory of 1672	1724	rundll32.exe	rundll32.exe
PID 1724 wrote to memory of 1672	1724	rundll32.exe	rundll32.exe
PID 1724 wrote to memory of 1672	1724	rundll32.exe	rundll32.exe
PID 1724 wrote to memory of 1672	1724	rundll32.exe	rundll32.exe
PID 1724 wrote to memory of 1672	1724	rundll32.exe	rundll32.exe
PID 1724 wrote to memory of 1672	1724	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\78c0595297a8ec52bdeca6c43038f1686863a6875382a2a582300c2e735834e3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1724

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\78c0595297a8ec52bdeca6c43038f1686863a6875382a2a582300c2e735834e3.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1672

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

Replay Monitor

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Downloads

memory/1672-2-0x0000000000000000-mapping.dmp

Download
memory/1672-3-0x00000000761E1000-0x00000000761E3000-memory.dmp

Filesize
8KB

Download
memory/1672-4-0x00000000752E0000-0x0000000075311000-memory.dmp

Filesize
196KB

Download
memory/1672-5-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/1672-6-0x00000000752E0000-0x00000000752FF000-memory.dmp

Filesize
124KB

Download
memory/2040-7-0x000007FEF6AC0000-0x000007FEF6D3A000-memory.dmp

Filesize
2.5MB

Download

Analysis

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