dridex | 5aa8dba13ef43c0f9447dd61ded26f2e15ed168ffb2e564c87b1ea7a199ade2c

Analysis

max time kernel
28s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
11/05/2021, 02:02

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General

Target
e4ba227c_by_Libranalysis.dll
Size 162KB
Sample210511-31vsbslshe
SHA256 5aa8dba13ef43c0f9447dd61ded26f2e15ed168ffb2e564c87b1ea7a199ade2c
MD5 e4ba227ce05f0662d1210bb5e50cc9ef
SHA1 050a902dc77c07dd94164109e3f9c286bf6b595e
SHA512 26971d81917a9b77a1cbec795cc000d83d829782435c58ae620c3826e4b8da9a08dc97237e0ba7e77ac12157cc04d2fc9c3b59d26c5b6877deb14bb613eb4055
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/372-115-0x0000000073860000-0x000000007388E000-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 1824 wrote to memory of 372	1824	rundll32.exe	50
PID 1824 wrote to memory of 372	1824	rundll32.exe	50
PID 1824 wrote to memory of 372	1824	rundll32.exe	50

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4ba227c_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4ba227c_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:372

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/372-115-0x0000000073860000-0x000000007388E000-memory.dmp

Download

memory/372-117-0x0000000000A90000-0x0000000000A96000-memory.dmp