dridex | 3aff17dc2e21adc5bfbdff549ead82189bc8ba49f2ca5dbb8c2b1717b025a0b4

Analysis

max time kernel
76s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
07/05/2021, 10:03

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General

Target
6f2386fb_by_Libranalysis.dll
Size 162KB
Sample210507-713ebe39dn
SHA256 3aff17dc2e21adc5bfbdff549ead82189bc8ba49f2ca5dbb8c2b1717b025a0b4
MD5 6f2386fbb791e93a117bf985d3a1ae82
SHA1 f58930651703af47fc74c9f24bd763b0ebb68683
SHA512 2c22913c1c4979a972208425312abe54e496965661e0a07f998e3d081a4163499ddf3cf0a200efb823921fed0b4e501d790be7d4b561cf834b4adae9013f4169
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/4528-115-0x0000000073820000-0x000000007384E000-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 4448 wrote to memory of 4528	4448	rundll32.exe	69
PID 4448 wrote to memory of 4528	4448	rundll32.exe	69
PID 4448 wrote to memory of 4528	4448	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6f2386fb_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6f2386fb_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4528

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/4528-115-0x0000000073820000-0x000000007384E000-memory.dmp

Download

memory/4528-117-0x0000000000510000-0x0000000000516000-memory.dmp