dridex | bfddb7ddce08aae1ef813bd2d84713d224d5e638f8b26c9e608ae2da826f07ce

Analysis

max time kernel
47s
max time network
111s
platform
windows10_x64
resource
win10v20201028
submitted
17/03/2021, 18:07

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General

Target
bfddb7ddce08aae1ef813bd2d84713d224d5e638f8b26c9e608ae2da826f07ce.dll
Size 208KB
Sample210317-ff58fvjbdx
SHA256 bfddb7ddce08aae1ef813bd2d84713d224d5e638f8b26c9e608ae2da826f07ce
MD5 487263cfd3c9c12f70d059ed5a9d0b5c
SHA1 f3fafae955c541f052e6175f088ec18d690989a5
SHA512 5b776d158d5a63ea77790535e8a3791c5ef3eb97397a871a2d2b77be08fc2bf014fc551ae4286787cc3a2730cbb09313a42582ea62b923321c72212eff7dea25
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
behavioral2/memory/4080-3-0x00000000737C0000-0x00000000737F6000-memory.dmp	dridex_ldr
behavioral2/memory/4080-5-0x00000000737C0000-0x00000000737E1000-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 496 wrote to memory of 4080	496	rundll32.exe	70
PID 496 wrote to memory of 4080	496	rundll32.exe	70
PID 496 wrote to memory of 4080	496	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bfddb7ddce08aae1ef813bd2d84713d224d5e638f8b26c9e608ae2da826f07ce.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:496
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bfddb7ddce08aae1ef813bd2d84713d224d5e638f8b26c9e608ae2da826f07ce.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4080

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/4080-3-0x00000000737C0000-0x00000000737F6000-memory.dmp

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memory/4080-4-0x0000000000690000-0x0000000000696000-memory.dmp

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memory/4080-5-0x00000000737C0000-0x00000000737E1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads