dridex | 155ca440bb5cc4a39173807d847b6a516592fe6c1f7556f5a51a78b295b867a5

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 14:54

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General

Target

155ca440bb5cc4a39173807d847b6a516592fe6c1f7556f5a51a78b295b867a5.dll
Size

162KB
MD5

a5b0f4e59beb6a71c1fcf440deda90f2
SHA1

174075cff84e9488d20bed9b7af2f3faa6dfcaa1
SHA256

155ca440bb5cc4a39173807d847b6a516592fe6c1f7556f5a51a78b295b867a5
SHA512

5fc343fef95f7dd63fee525021d7a2464fc24ae19b4d4278b08e16025d3905536061de09bff7ac26019510c40026f9f4bf5e862a3d817c2cb483b6667df106af

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/2028-62-0x0000000074890000-0x00000000748BE000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1040 wrote to memory of 2028	1040	rundll32.exe	rundll32.exe
PID 1040 wrote to memory of 2028	1040	rundll32.exe	rundll32.exe
PID 1040 wrote to memory of 2028	1040	rundll32.exe	rundll32.exe
PID 1040 wrote to memory of 2028	1040	rundll32.exe	rundll32.exe
PID 1040 wrote to memory of 2028	1040	rundll32.exe	rundll32.exe
PID 1040 wrote to memory of 2028	1040	rundll32.exe	rundll32.exe
PID 1040 wrote to memory of 2028	1040	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\155ca440bb5cc4a39173807d847b6a516592fe6c1f7556f5a51a78b295b867a5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1040

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\155ca440bb5cc4a39173807d847b6a516592fe6c1f7556f5a51a78b295b867a5.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2028

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/2028-60-0x0000000000000000-mapping.dmp

Download
memory/2028-61-0x0000000074F31000-0x0000000074F33000-memory.dmp

Filesize
8KB

Download
memory/2028-62-0x0000000074890000-0x00000000748BE000-memory.dmp

Filesize
184KB

Download
memory/2028-64-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download