dridex | bb2c377f94ff6bf6281f38db6863917f826ccc0ff9bc089f0cc329578740bacb

Analysis

max time kernel
34s
max time network
145s
platform
windows10_x64
resource
win10v20201028
submitted
25/01/2021, 22:56

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General

Target
SecuriteInfo.com.Generic.mg.75b2def6a7e110ad.11590.dll
Size 704KB
Sample210125-st5pbc44ks
SHA256 bb2c377f94ff6bf6281f38db6863917f826ccc0ff9bc089f0cc329578740bacb
MD5 75b2def6a7e110ad34608acb5ee22823
SHA1 b09654fa4063125cd644482bd229cdbc23f2caa6
SHA512 614f2aae3bf11b042fadf4edea1aa880b8fcdbec8e909eb720c27a08287d04a593e46885de9e2fe6a284fb826a7610101a663a561e7039a43c80bc8193676cec
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

97.107.127.161:443
45.33.94.33:5037
159.89.91.92:5037
158.69.118.130:1443

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/1144-3-0x0000000073560000-0x000000007359D000-memory.dmp	dridex_ldr
behavioral2/memory/1144-4-0x0000000073560000-0x000000007359D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
15	1144	rundll32.exe
17	1144	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 640 wrote to memory of 1144	640	rundll32.exe	69
PID 640 wrote to memory of 1144	640	rundll32.exe	69
PID 640 wrote to memory of 1144	640	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.75b2def6a7e110ad.11590.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.75b2def6a7e110ad.11590.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1144

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/1144-3-0x0000000073560000-0x000000007359D000-memory.dmp

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memory/1144-4-0x0000000073560000-0x000000007359D000-memory.dmp

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memory/1144-5-0x0000000000500000-0x0000000000501000-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