dridex | b9d5347ad79c5dadab5186e18062c71d65a2b2fb7ac4c6e3a07e25b9727616ce

Analysis

max time kernel
19s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
18/04/2021, 10:36

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General

Target
b9d5347ad79c5dadab5186e18062c71d65a2b2fb7ac4c6e3a07e25b9727616ce.dll
Size 162KB
Sample210418-brthwd6jla
SHA256 b9d5347ad79c5dadab5186e18062c71d65a2b2fb7ac4c6e3a07e25b9727616ce
MD5 224f584a28401ba36d58628b52cb38f0
SHA1 dad44a0ae232c2c2db7379a9c7bc61dc687f7bab
SHA512 1ac17884b574e3d96b6854ff8de44cd0f47121a4d45de093ee8105e8326a9db84a36fbacdfcb87d71b807068415eb37b8f0532ba40fcd81e95d50d9218315a04
MD5 SHA1 SHA512

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

resource	yara_rule
behavioral2/memory/3172-115-0x0000000074420000-0x000000007444E000-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 3 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 3172	2116	rundll32.exe	69
PID 2116 wrote to memory of 3172	2116	rundll32.exe	69
PID 2116 wrote to memory of 3172	2116	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9d5347ad79c5dadab5186e18062c71d65a2b2fb7ac4c6e3a07e25b9727616ce.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9d5347ad79c5dadab5186e18062c71d65a2b2fb7ac4c6e3a07e25b9727616ce.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3172

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

Replay Monitor

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Downloads

memory/3172-115-0x0000000074420000-0x000000007444E000-memory.dmp

Download

memory/3172-117-0x0000000000300000-0x0000000000306000-memory.dmp