dridex | 344b0c9513004b3db07f3ffb46ec8fa975f1b980fec9654bf4cbe1782cfcc4f4

Analysis

max time kernel
31s
max time network
133s
platform
windows10_x64
resource
win10v20201028
submitted
25/03/2021, 03:58

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General

Target
344b0c9513004b3db07f3ffb46ec8fa975f1b980fec9654bf4cbe1782cfcc4f4.dll
Size 864KB
Sample210325-wn7c6ee93s
SHA256 344b0c9513004b3db07f3ffb46ec8fa975f1b980fec9654bf4cbe1782cfcc4f4
MD5 cd0149d0935c2044528d4a31b64fdceb
SHA1 453c15573be67d2a793d6c2fd2f002cb76c6e64a
SHA512 76bf0e4803ea54e12dfc0d0e390de793fbb55ea83a05f52fdd2074b2dfcab12422b8e53cfda3812a5e58610a40eb3e4ebb3fe7d6a2a015f015238fd104a6875b
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

131.100.24.192:443
103.6.213.203:6601
46.41.130.218:2303

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/1232-3-0x0000000004691000-0x000000000471C000-memory.dmp	dridex_ldr
behavioral2/memory/1232-4-0x0000000004690000-0x00000000046CD000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
14	1232	rundll32.exe
17	1232	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 1232	580	rundll32.exe	70
PID 580 wrote to memory of 1232	580	rundll32.exe	70
PID 580 wrote to memory of 1232	580	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\344b0c9513004b3db07f3ffb46ec8fa975f1b980fec9654bf4cbe1782cfcc4f4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:580
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\344b0c9513004b3db07f3ffb46ec8fa975f1b980fec9654bf4cbe1782cfcc4f4.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1232

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/1232-3-0x0000000004691000-0x000000000471C000-memory.dmp

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memory/1232-4-0x0000000004690000-0x00000000046CD000-memory.dmp

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memory/1232-5-0x0000000000BA0000-0x0000000000BA1000-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