dridex | 98bc6a9d4b6a2a20e9fb852a591edc9e05beb16544b5ef60bf0a4c07fec41536

Analysis

max time kernel
87s
max time network
8s
platform
windows7_x64
resource
win7v20201028
submitted
17/03/2021, 20:01

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General

Target
98bc6a9d4b6a2a20e9fb852a591edc9e05beb16544b5ef60bf0a4c07fec41536.dll
Size 208KB
Sample210317-b3jht9vrna
SHA256 98bc6a9d4b6a2a20e9fb852a591edc9e05beb16544b5ef60bf0a4c07fec41536
MD5 dce9ae81c95f35e2058772b38744df4d
SHA1 054a2ea850bf52ea78328692ac688565f6a18cc5
SHA512 93973ae27bb79b8838c02f50c03f6c1fcbd541e969eb6175cccbed46ac6b602476100b19e2ac938ea7c6964e0599ff62f85a2f6f40607f2f0e869e597e627329
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/1312-4-0x00000000743C0000-0x00000000743F6000-memory.dmp	dridex_ldr
behavioral1/memory/1312-6-0x00000000743C0000-0x00000000743E1000-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 1932 wrote to memory of 1312	1932	rundll32.exe	25
PID 1932 wrote to memory of 1312	1932	rundll32.exe	25
PID 1932 wrote to memory of 1312	1932	rundll32.exe	25
PID 1932 wrote to memory of 1312	1932	rundll32.exe	25
PID 1932 wrote to memory of 1312	1932	rundll32.exe	25
PID 1932 wrote to memory of 1312	1932	rundll32.exe	25
PID 1932 wrote to memory of 1312	1932	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\98bc6a9d4b6a2a20e9fb852a591edc9e05beb16544b5ef60bf0a4c07fec41536.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\98bc6a9d4b6a2a20e9fb852a591edc9e05beb16544b5ef60bf0a4c07fec41536.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1312

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/1312-3-0x00000000750C1000-0x00000000750C3000-memory.dmp

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memory/1312-4-0x00000000743C0000-0x00000000743F6000-memory.dmp

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memory/1312-5-0x00000000001B0000-0x00000000001B6000-memory.dmp

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memory/1312-6-0x00000000743C0000-0x00000000743E1000-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