dridex | 7399ada0c638e76e82c47009b0bb492ec0983debef0b1cc8f87a41bdf9c43af7

Analysis

max time kernel
62s
max time network
151s
platform
windows7_x64
resource
win7v20201028
submitted
17/03/2021, 17:44

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General

Target
7399ada0c638e76e82c47009b0bb492ec0983debef0b1cc8f87a41bdf9c43af7.dll
Size 208KB
Sample210317-nbqrfwwkya
SHA256 7399ada0c638e76e82c47009b0bb492ec0983debef0b1cc8f87a41bdf9c43af7
MD5 3c56dd3eae33d8b4182744327dffd67c
SHA1 7db24f6ea717f84a1a48ea4f7ec1aa53e72580cb
SHA512 e402159d3cd9944a741436648fa7852c8fc58cd72b1295188bea05ff0f33d0f9d9987074b3c8a1dfb0aa986eed505b39b8c1570098b130dbb047f5a7d76c1441
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/1092-4-0x00000000747C0000-0x00000000747F6000-memory.dmp	dridex_ldr
behavioral1/memory/1092-6-0x00000000747C0000-0x00000000747E1000-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 1968 wrote to memory of 1092	1968	rundll32.exe	26
PID 1968 wrote to memory of 1092	1968	rundll32.exe	26
PID 1968 wrote to memory of 1092	1968	rundll32.exe	26
PID 1968 wrote to memory of 1092	1968	rundll32.exe	26
PID 1968 wrote to memory of 1092	1968	rundll32.exe	26
PID 1968 wrote to memory of 1092	1968	rundll32.exe	26
PID 1968 wrote to memory of 1092	1968	rundll32.exe	26

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7399ada0c638e76e82c47009b0bb492ec0983debef0b1cc8f87a41bdf9c43af7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7399ada0c638e76e82c47009b0bb492ec0983debef0b1cc8f87a41bdf9c43af7.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1092

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/1092-3-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

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memory/1092-4-0x00000000747C0000-0x00000000747F6000-memory.dmp

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memory/1092-5-0x0000000000120000-0x0000000000126000-memory.dmp

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memory/1092-6-0x00000000747C0000-0x00000000747E1000-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