dridex | c07d6b7ffda93df7724c96f9a5d23fb290ac6c9fa054b4792b8d67a5671bbdd7

Analysis

max time kernel
37s
max time network
96s
platform
windows7_x64
resource
win7v20201028
submitted
22/03/2021, 14:10

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General

Target
c07d6b7ffda93df7724c96f9a5d23fb290ac6c9fa054b4792b8d67a5671bbdd7.dll
Size 346KB
Sample210322-3tp93m44aj
SHA256 c07d6b7ffda93df7724c96f9a5d23fb290ac6c9fa054b4792b8d67a5671bbdd7
MD5 df25f6d070ffecd97fd279df494aa36a
SHA1 80b698a30992da879eba7c84296bd1d92e092baa
SHA512 c2b22268e6bfd3e9040a64a05434ae008f0bbd7cf63eb258c86e47a4445c10fb18b0ac618dfc5a7a0f6b0d20845c21db211ab3c48da90e19d07506b72beaa9b1
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

210.65.244.179:443
37.247.35.130:6601
103.18.108.116:6601

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/1412-4-0x0000000074FA0000-0x0000000074FDD000-memory.dmp	dridex_ldr
behavioral1/memory/1412-5-0x0000000074FA0000-0x0000000074FDD000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	1412	rundll32.exe
8	1412	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 1924 wrote to memory of 1412	1924	rundll32.exe	21
PID 1924 wrote to memory of 1412	1924	rundll32.exe	21
PID 1924 wrote to memory of 1412	1924	rundll32.exe	21
PID 1924 wrote to memory of 1412	1924	rundll32.exe	21
PID 1924 wrote to memory of 1412	1924	rundll32.exe	21
PID 1924 wrote to memory of 1412	1924	rundll32.exe	21
PID 1924 wrote to memory of 1412	1924	rundll32.exe	21

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c07d6b7ffda93df7724c96f9a5d23fb290ac6c9fa054b4792b8d67a5671bbdd7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c07d6b7ffda93df7724c96f9a5d23fb290ac6c9fa054b4792b8d67a5671bbdd7.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1412

Network

MITRE ATT&CK Enterprise v6

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/1412-3-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

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memory/1412-4-0x0000000074FA0000-0x0000000074FDD000-memory.dmp

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memory/1412-5-0x0000000074FA0000-0x0000000074FDD000-memory.dmp

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memory/1412-6-0x00000000000C0000-0x00000000000C1000-memory.dmp

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memory/1660-7-0x000007FEF6680000-0x000007FEF68FA000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads