dridex | 52545ce7c36e648bc9d8e78cde413a0d2b7e45dc4084b28646191f73fe8a010f

Analysis

max time kernel
128s
max time network
147s
platform
windows10_x64
resource
win10v20201028
submitted
31/03/2021, 16:36

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General

Target
52545ce7c36e648bc9d8e78cde413a0d2b7e45dc4084b28646191f73fe8a010f.dll
Size 381KB
Sample210331-c4lxyh8ef2
SHA256 52545ce7c36e648bc9d8e78cde413a0d2b7e45dc4084b28646191f73fe8a010f
MD5 d832d70f78937799ed08056442f04442
SHA1 29d48c7fa4aaa0ff0fe3ed3e10ba5c23cf7f4d80
SHA512 f40fa2e6459d82fec31c2c7ced0780ff1af8e65625df025e170791fdcf8db4ac6f5aba2e3a914620e883ffbb0916e7c4c9bcfd9ae189454e127af70830d042a9
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

131.100.24.215:443
210.65.244.174:6601
195.201.199.53:2303

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/1752-3-0x0000000073970000-0x00000000739AD000-memory.dmp	dridex_ldr
behavioral2/memory/1752-4-0x0000000073970000-0x00000000739AD000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
15	1752	rundll32.exe
17	1752	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 1456 wrote to memory of 1752	1456	rundll32.exe	39
PID 1456 wrote to memory of 1752	1456	rundll32.exe	39
PID 1456 wrote to memory of 1752	1456	rundll32.exe	39

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\52545ce7c36e648bc9d8e78cde413a0d2b7e45dc4084b28646191f73fe8a010f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\52545ce7c36e648bc9d8e78cde413a0d2b7e45dc4084b28646191f73fe8a010f.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1752

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/1752-3-0x0000000073970000-0x00000000739AD000-memory.dmp

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memory/1752-4-0x0000000073970000-0x00000000739AD000-memory.dmp

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memory/1752-5-0x0000000002D30000-0x0000000002D31000-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