dridex | 9101c4df8358b9c115bb2cc874a4351d706040fd9c312e2acc045ff50f60006d

Analysis

max time kernel
60s
max time network
113s
platform
windows10_x64
resource
win10v20201028
submitted
18/02/2021, 07:05

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
675d08a00fe7631cc6db9c9a51bb04cc.dll
Size 920KB
Sample210218-zrtla82djx
SHA256 9101c4df8358b9c115bb2cc874a4351d706040fd9c312e2acc045ff50f60006d
MD5 675d08a00fe7631cc6db9c9a51bb04cc
SHA1 0dd443756acdfece6bdaf338883e08e245aa8544
SHA512 df8280b5b68ecda18e137a79d79a1ac02ff3e8e255b107cda91bff7ea98593dbeb8303bf020d78c33cd26c0d78698069ff27a2d1b79130fecdef67ab09acc5a3
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

209.20.87.138:443
198.1.115.153:8172
151.236.29.248:6516

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/788-3-0x0000000073B90000-0x0000000073BCD000-memory.dmp	dridex_ldr
behavioral2/memory/788-4-0x0000000073B90000-0x0000000073BCD000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
15	788	rundll32.exe
17	788	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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 3116 wrote to memory of 788	3116	rundll32.exe	71
PID 3116 wrote to memory of 788	3116	rundll32.exe	71
PID 3116 wrote to memory of 788	3116	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\675d08a00fe7631cc6db9c9a51bb04cc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\675d08a00fe7631cc6db9c9a51bb04cc.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:788

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/788-3-0x0000000073B90000-0x0000000073BCD000-memory.dmp

Download

memory/788-4-0x0000000073B90000-0x0000000073BCD000-memory.dmp

Download

memory/788-5-0x0000000000B00000-0x0000000000B01000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads