dridex | 57fd749d4363bdd7114de5f2488c7982110f58fa9ef8d6cc5bcb5b57f39c507e

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
20-06-2021 11:45

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General

Target

57fd749d4363bdd7114de5f2488c7982110f58fa9ef8d6cc5bcb5b57f39c507e.dll
Size

158KB
MD5

c748b31df0276d3a52d1b88e87d3a1a7
SHA1

6997855d8809b148ecf4a434fbf78f6b0124d78e
SHA256

57fd749d4363bdd7114de5f2488c7982110f58fa9ef8d6cc5bcb5b57f39c507e
SHA512

c88766698ee875ec794403ebd7d550e5d62d3ab15fc5b1a7e63ee027cc619b5cde47dcbc77608815e06222bd47b3d71210a36972ed2692d44296e7857d1f604a

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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

Processes:

resource	yara_rule
behavioral1/memory/1740-115-0x0000000074300000-0x000000007432D000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

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

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 500 wrote to memory of 1740	500	rundll32.exe	rundll32.exe
PID 500 wrote to memory of 1740	500	rundll32.exe	rundll32.exe
PID 500 wrote to memory of 1740	500	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\57fd749d4363bdd7114de5f2488c7982110f58fa9ef8d6cc5bcb5b57f39c507e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:500
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\57fd749d4363bdd7114de5f2488c7982110f58fa9ef8d6cc5bcb5b57f39c507e.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1740

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/1740-114-0x0000000000000000-mapping.dmp

Download
memory/1740-115-0x0000000074300000-0x000000007432D000-memory.dmp

Filesize
180KB

Download
memory/1740-117-0x0000000003230000-0x0000000003236000-memory.dmp

Filesize
24KB

Download