dridex | 06a3cf6065d432941b68e7e429c9eb8c05f66ae4388d60112c97c6b6ddd3667d

Analysis

max time kernel
123s
max time network
124s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 18:05

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General

Target

06a3cf6065d432941b68e7e429c9eb8c05f66ae4388d60112c97c6b6ddd3667d.dll
Size

162KB
MD5

a2e2b193d49df615ed0275d2fd596929
SHA1

f90b9057182c1ded459f83b3f6563422acb95931
SHA256

06a3cf6065d432941b68e7e429c9eb8c05f66ae4388d60112c97c6b6ddd3667d
SHA512

d50e36b6659c56758edc593a87a03b92ecdb3853393d2f905a786912a7b8be417c9b6e77e721f7e2d41c6c8ac16218d5e9833ac00a270319afbc1a5c5f4d7a07

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/1732-62-0x0000000074DF0000-0x0000000074E1E000-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 1672 wrote to memory of 1732	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1732	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1732	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1732	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1732	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1732	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1732	1672	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\06a3cf6065d432941b68e7e429c9eb8c05f66ae4388d60112c97c6b6ddd3667d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1672

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\06a3cf6065d432941b68e7e429c9eb8c05f66ae4388d60112c97c6b6ddd3667d.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1732

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/1732-60-0x0000000000000000-mapping.dmp

Download
memory/1732-61-0x0000000075971000-0x0000000075973000-memory.dmp

Filesize
8KB

Download
memory/1732-62-0x0000000074DF0000-0x0000000074E1E000-memory.dmp

Filesize
184KB

Download
memory/1732-64-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download