dridex | 7d00d90391dc25f0a314805eeb32e4b1b53e38a3f099e74185695747c08b82d5

Analysis

max time kernel
26s
max time network
122s
platform
windows10_x64
resource
win10v20210408
submitted
21-06-2021 10:39

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General

Target

7d00d90391dc25f0a314805eeb32e4b1b53e38a3f099e74185695747c08b82d5.dll
Size

160KB
MD5

18109f2a3bca8c0adde2a8218f32a9bf
SHA1

3689828714f612a676e37e4976faf0649e66de0d
SHA256

7d00d90391dc25f0a314805eeb32e4b1b53e38a3f099e74185695747c08b82d5
SHA512

9250d84125dd3514ed1dd6abc90ec538de1a310987798b3d861ddc6bc5efd2689d1db5f04fb1f148b2776d54668ebc095ab800e62ff7f5eb615744b1abc3d3a5

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/3628-115-0x0000000073560000-0x000000007358E000-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 3920 wrote to memory of 3628	3920	rundll32.exe	rundll32.exe
PID 3920 wrote to memory of 3628	3920	rundll32.exe	rundll32.exe
PID 3920 wrote to memory of 3628	3920	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7d00d90391dc25f0a314805eeb32e4b1b53e38a3f099e74185695747c08b82d5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3920
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7d00d90391dc25f0a314805eeb32e4b1b53e38a3f099e74185695747c08b82d5.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3628

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/3628-114-0x0000000000000000-mapping.dmp

Download
memory/3628-115-0x0000000073560000-0x000000007358E000-memory.dmp

Filesize
184KB

Download
memory/3628-117-0x0000000000940000-0x0000000000946000-memory.dmp

Filesize
24KB

Download