dridex | 0e7a6028a3589231e73262f5a7e5c6136183bdb7fb7d92a1af1a943db9663751

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
29-06-2021 17:28

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General

Target

0e7a6028a3589231e73262f5a7e5c6136183bdb7fb7d92a1af1a943db9663751.dll
Size

160KB
MD5

22abf6bf921d5786b7ac2de6a563c443
SHA1

8a6aabd4e448fe00fa07dfa439cf6c9de0db8c2e
SHA256

0e7a6028a3589231e73262f5a7e5c6136183bdb7fb7d92a1af1a943db9663751
SHA512

e94afa2b557162e4859f98e060cd0704fb3e03c46e8a2634d3d80d0761c491c45c5dde54751ccf94c6eb3c8c49f9b48cd33f8b6f08f7c1bf2cf519e1f81de227

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/3796-115-0x0000000073B70000-0x0000000073B9E000-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 3904 wrote to memory of 3796	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 3796	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 3796	3904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e7a6028a3589231e73262f5a7e5c6136183bdb7fb7d92a1af1a943db9663751.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e7a6028a3589231e73262f5a7e5c6136183bdb7fb7d92a1af1a943db9663751.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3796

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/3796-114-0x0000000000000000-mapping.dmp

Download
memory/3796-115-0x0000000073B70000-0x0000000073B9E000-memory.dmp

Filesize
184KB

Download
memory/3796-117-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

Filesize
24KB

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