dridex | a095a17954dbbb6fc024c83f689abfe069745b1c006463524263f091a31a0f6a

Analysis

max time kernel
142s
max time network
120s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
06/05/2024, 17:28

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General

Target
wiui4d6ph.zip.dll
Size 664KB
Sample240506-v2bmmsbf7x
SHA256 a095a17954dbbb6fc024c83f689abfe069745b1c006463524263f091a31a0f6a
MD5 53e58e3a8798fd076d02adc2ce902bbb
SHA1 19a3ae4067f3272dd83a2363856d46790233dca4
SHA512 cf0b3e04347530c01fb6bc85b1eafd7cd7442abd8fc8d47ca4a40f8746842cc9a5ee508a0c5faa4e2c2834d9c33f164473e8fc98241cfd0a9ad8be0cbab1e018
SSDEEP 12288:d/0Qzqf0e5i48JM+6TFKywVt6PbEYU0eyJTT/Mu9oV01u1oaEP:t0zh56n6TFKywvCbEOxDMu9oyPaEP
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dridex 10222 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10222

174.128.245.202:443
51.83.3.52:13786
69.64.50.41:6602

rc4.plain

Signatures

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
3	2180	rundll32.exe
5	2180	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

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 1700 wrote to memory of 2180	1700	rundll32.exe	28
PID 1700 wrote to memory of 2180	1700	rundll32.exe	28
PID 1700 wrote to memory of 2180	1700	rundll32.exe	28
PID 1700 wrote to memory of 2180	1700	rundll32.exe	28
PID 1700 wrote to memory of 2180	1700	rundll32.exe	28
PID 1700 wrote to memory of 2180	1700	rundll32.exe	28
PID 1700 wrote to memory of 2180	1700	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\wiui4d6ph.zip.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\wiui4d6ph.zip.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:2180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2180-0-0x0000000000B30000-0x0000000000C6C000-memory.dmp

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memory/2180-2-0x0000000000B30000-0x0000000000C6C000-memory.dmp

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memory/2180-3-0x0000000000B30000-0x0000000000C6C000-memory.dmp

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memory/2180-6-0x0000000000BD2000-0x0000000000BD8000-memory.dmp

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memory/2180-7-0x0000000000B30000-0x0000000000C6C000-memory.dmp

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memory/2180-8-0x0000000000B30000-0x0000000000C6C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads