dridex | e1c0cbd2fba109f071bdb21b8709855bd026bf080f3a9bd11a9c4cc677588399

Analysis

max time kernel
131s
max time network
131s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:35

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General

Target
e1c0cbd2fba109f071bdb21b8709855bd026bf080f3a9bd11a9c4cc677588399.dll
Size 188KB
Sample210224-y15s58devs
SHA256 e1c0cbd2fba109f071bdb21b8709855bd026bf080f3a9bd11a9c4cc677588399
MD5 9ed26b7abcd833e255f3bb569d96ea4d
SHA1 32205f46f112efd4f829782b9700cbf598a88cf6
SHA512 69b26bf6dfff6b6ae6f39a2b11f87b7703762afa2b6b53b43509a4cfc01c3453d0d7de435d5721531df3c5185f59ab5961154bde5da83a3d9fe9da170aeff0aa
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

209.151.236.42:443
91.121.94.86:8172
5.189.144.136:6516

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/608-3-0x0000000074390000-0x00000000743C1000-memory.dmp	dridex_ldr
behavioral2/memory/608-5-0x0000000074390000-0x00000000743AF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
16	608	rundll32.exe
18	608	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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 580 wrote to memory of 608	580	rundll32.exe	69
PID 580 wrote to memory of 608	580	rundll32.exe	69
PID 580 wrote to memory of 608	580	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1c0cbd2fba109f071bdb21b8709855bd026bf080f3a9bd11a9c4cc677588399.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:580
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1c0cbd2fba109f071bdb21b8709855bd026bf080f3a9bd11a9c4cc677588399.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:608

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/608-3-0x0000000074390000-0x00000000743C1000-memory.dmp

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memory/608-4-0x0000000000E40000-0x0000000000E46000-memory.dmp

Download

memory/608-5-0x0000000074390000-0x00000000743AF000-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