dridex | 5aa6c291a37489f03fa2c55650e4aa4200d7a5dda2fe0cdb20695e6a264064d9

Analysis

max time kernel
77s
max time network
152s
platform
windows7_x64
resource
win7v20201028
submitted
17/03/2021, 21:00

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General

Target
5aa6c291a37489f03fa2c55650e4aa4200d7a5dda2fe0cdb20695e6a264064d9.dll
Size 208KB
Sample210317-cfb5fkkmpx
SHA256 5aa6c291a37489f03fa2c55650e4aa4200d7a5dda2fe0cdb20695e6a264064d9
MD5 bcf9b54b4fc8b7811f2411c4a88c4b22
SHA1 70766fcc6706e83d314a6b885b37bdb4b9558982
SHA512 4d074a604cb4c8f559dccb1aa18bd228a7f9eec11413f28225612f9f89e605e9e70e9c34fa815423d3b1b50899a4fb8f7d0a32c1451ee5e04f333d18dd49cd35
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

77.220.64.137:443
66.228.134.180:6601
199.204.214.26:7073

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

resource	yara_rule
behavioral1/memory/1888-4-0x0000000074A30000-0x0000000074A66000-memory.dmp	dridex_ldr
behavioral1/memory/1888-6-0x0000000074A30000-0x0000000074A51000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 1888	1596	rundll32.exe	25
PID 1596 wrote to memory of 1888	1596	rundll32.exe	25
PID 1596 wrote to memory of 1888	1596	rundll32.exe	25
PID 1596 wrote to memory of 1888	1596	rundll32.exe	25
PID 1596 wrote to memory of 1888	1596	rundll32.exe	25
PID 1596 wrote to memory of 1888	1596	rundll32.exe	25
PID 1596 wrote to memory of 1888	1596	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5aa6c291a37489f03fa2c55650e4aa4200d7a5dda2fe0cdb20695e6a264064d9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5aa6c291a37489f03fa2c55650e4aa4200d7a5dda2fe0cdb20695e6a264064d9.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1888

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1888-3-0x0000000075781000-0x0000000075783000-memory.dmp

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memory/1888-4-0x0000000074A30000-0x0000000074A66000-memory.dmp

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memory/1888-5-0x0000000000110000-0x0000000000116000-memory.dmp

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memory/1888-6-0x0000000074A30000-0x0000000074A51000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads