dridex | c283337e48551c6b63a2fef765903798d58a64628ee24b2dc663c557f4b4530a

Analysis

max time kernel
134s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
17/04/2021, 04:56

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General

Target
c283337e48551c6b63a2fef765903798d58a64628ee24b2dc663c557f4b4530a.dll
Size 162KB
Sample210417-lf261pz96a
SHA256 c283337e48551c6b63a2fef765903798d58a64628ee24b2dc663c557f4b4530a
MD5 4096519e7fe010a594edf264146a66f7
SHA1 1dda1311d793e1d0ffccfe974c91897eb2bbf75b
SHA512 5abe5052f06d65a67c148380dd235416e1e979cf0d4ced788a824647d31d19bc8d1338af8de7accfc67ccb8dd4b3c58198164d6b88b7260279abdc12a2faf5a7
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/500-115-0x00000000736B0000-0x00000000736DE000-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 2752 wrote to memory of 500	2752	rundll32.exe	72
PID 2752 wrote to memory of 500	2752	rundll32.exe	72
PID 2752 wrote to memory of 500	2752	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c283337e48551c6b63a2fef765903798d58a64628ee24b2dc663c557f4b4530a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c283337e48551c6b63a2fef765903798d58a64628ee24b2dc663c557f4b4530a.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:500

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/500-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

Download

memory/500-117-0x0000000002E30000-0x0000000002E36000-memory.dmp