dridex | 122603c3088721b975c3202136447f4b39375564c2b08c018c01eea0907b0645

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 12:23

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General

Target

122603c3088721b975c3202136447f4b39375564c2b08c018c01eea0907b0645.dll
Size

162KB
MD5

1afdf8b45f470029c3682efe128157f5
SHA1

79dc4c04480e985ce0f541deb58adc0ac16bd323
SHA256

122603c3088721b975c3202136447f4b39375564c2b08c018c01eea0907b0645
SHA512

d1c4806d1b82e1fa2e63f270aca55651f87758c3ad1a4230d689f945c35b7b2d9e163bec55b11cc999c369b2287df4b22031c3231ecfd73b918032a3af65e4be

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/4464-115-0x0000000073820000-0x000000007384E000-memory.dmp	dridex_ldr

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

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4444 wrote to memory of 4464	4444	rundll32.exe	rundll32.exe
PID 4444 wrote to memory of 4464	4444	rundll32.exe	rundll32.exe
PID 4444 wrote to memory of 4464	4444	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\122603c3088721b975c3202136447f4b39375564c2b08c018c01eea0907b0645.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4444

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\122603c3088721b975c3202136447f4b39375564c2b08c018c01eea0907b0645.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4464

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4464-114-0x0000000000000000-mapping.dmp

Download
memory/4464-115-0x0000000073820000-0x000000007384E000-memory.dmp

Filesize
184KB

Download
memory/4464-117-0x0000000002BD0000-0x0000000002BD6000-memory.dmp

Filesize
24KB

Download