dridex | ffff680f92e981760123b6a1efe0b810a970a0f39a1de5d57c3a5f230a5ff281

Analysis

max time kernel
73s
max time network
11s
platform
windows7_x64
resource
win7v20201028
submitted
17/03/2021, 17:55

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General

Target
ffff680f92e981760123b6a1efe0b810a970a0f39a1de5d57c3a5f230a5ff281.dll
Size 208KB
Sample210317-7ln3am2ej2
SHA256 ffff680f92e981760123b6a1efe0b810a970a0f39a1de5d57c3a5f230a5ff281
MD5 bb3794c2101eab8b3993eb9eda475500
SHA1 626d0aa5894cf5d9fc31c5d4a6a9ce35da0bc345
SHA512 3e0318be60ac5520b7146e91270c0a2f4e92fae282e93cb23d2356902efd4983b6438b015f9627e443e558d973a41961d560e0622af2965c35702f67c7d2ee75
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

77.220.64.137:443
66.228.134.180:6601
199.204.214.26:7073

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
behavioral1/memory/1948-4-0x0000000075300000-0x0000000075336000-memory.dmp	dridex_ldr
behavioral1/memory/1948-6-0x0000000075300000-0x0000000075321000-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 7 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 1948	1656	rundll32.exe	25
PID 1656 wrote to memory of 1948	1656	rundll32.exe	25
PID 1656 wrote to memory of 1948	1656	rundll32.exe	25
PID 1656 wrote to memory of 1948	1656	rundll32.exe	25
PID 1656 wrote to memory of 1948	1656	rundll32.exe	25
PID 1656 wrote to memory of 1948	1656	rundll32.exe	25
PID 1656 wrote to memory of 1948	1656	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ffff680f92e981760123b6a1efe0b810a970a0f39a1de5d57c3a5f230a5ff281.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ffff680f92e981760123b6a1efe0b810a970a0f39a1de5d57c3a5f230a5ff281.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1948

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

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Downloads

memory/1948-3-0x00000000765A1000-0x00000000765A3000-memory.dmp

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memory/1948-4-0x0000000075300000-0x0000000075336000-memory.dmp

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memory/1948-5-0x0000000000140000-0x0000000000146000-memory.dmp

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memory/1948-6-0x0000000075300000-0x0000000075321000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads