dridex | 72c92747969674e130c86264ca33e490df9d6dd9e4c815740511db8a4ff92728

General

Target

72c92747969674e130c86264ca33e490df9d6dd9e4c815740511db8a4ff92728.dll
Size

188KB
MD5

4f34340f7cfc5e80eb584e80c19763b2
SHA1

090e292f96d0682e3d18ca8e69ed417878d0add0
SHA256

72c92747969674e130c86264ca33e490df9d6dd9e4c815740511db8a4ff92728
SHA512

e9fc105559e47ff560edb2437bd9c97ea9dcaa8c32638f0b47e1c2e46a5309c4f0a327861ea07b2e9b98012b75cfc0d1c4bf41565e3c8dcc278a288f938fee3c

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

209.151.236.42:443

91.121.94.86:8172

5.189.144.136:6516

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/1860-5-0x00000000749B0000-0x00000000749E1000-memory.dmp	dridex_ldr
behavioral1/memory/1860-7-0x00000000749B0000-0x00000000749CF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 1860 rundll32.exe
8 1860 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
5	1860	rundll32.exe
8	1860	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 892 wrote to memory of 1860	892	rundll32.exe	rundll32.exe
PID 892 wrote to memory of 1860	892	rundll32.exe	rundll32.exe
PID 892 wrote to memory of 1860	892	rundll32.exe	rundll32.exe
PID 892 wrote to memory of 1860	892	rundll32.exe	rundll32.exe
PID 892 wrote to memory of 1860	892	rundll32.exe	rundll32.exe
PID 892 wrote to memory of 1860	892	rundll32.exe	rundll32.exe
PID 892 wrote to memory of 1860	892	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\72c92747969674e130c86264ca33e490df9d6dd9e4c815740511db8a4ff92728.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:892

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\72c92747969674e130c86264ca33e490df9d6dd9e4c815740511db8a4ff92728.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1860

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/1336-8-0x000007FEF7570000-0x000007FEF77EA000-memory.dmp

Filesize
2.5MB

Download
memory/1860-2-0x0000000000000000-mapping.dmp

Download
memory/1860-3-0x0000000074D91000-0x0000000074D93000-memory.dmp

Filesize
8KB

Download
memory/1860-4-0x0000000074640000-0x00000000747E3000-memory.dmp

Filesize
1.6MB

Download
memory/1860-5-0x00000000749B0000-0x00000000749E1000-memory.dmp

Filesize
196KB

Download
memory/1860-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1860-7-0x00000000749B0000-0x00000000749CF000-memory.dmp

Filesize
124KB

Download

Analysis

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