dridex | 0314272b35a3bd50abff3aedee1bb29145c24287801e3972c9b661e3d204a793

Analysis

max time kernel
51s
max time network
90s
platform
windows7_x64
resource
win7v20201028
submitted
01/02/2021, 18:58

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General

Target
SecuriteInfo.com.Artemis54832AF60506.12249.dll
Size 570KB
Sample210201-e2as2kv6qn
SHA256 0314272b35a3bd50abff3aedee1bb29145c24287801e3972c9b661e3d204a793
MD5 54832af6050601251b04b13a7b1e96e4
SHA1 dbde3eba77a2edb8f9a5f8b83728f6d83616212d
SHA512 39291a52dc760be6f71168bcdee2eedf48a9bc44bbe70fd33384f798dab9b3201bd91bfcf2875ea5a066199f08f22152b57f20dcf2f68bcc123325cb1f22bb3b
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

77.220.64.131:443
5.196.204.251:5037
192.99.41.136:981
24.229.3.146:4664

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
behavioral1/memory/1228-4-0x0000000074630000-0x000000007466D000-memory.dmp	dridex_ldr
behavioral1/memory/1228-5-0x0000000074630000-0x000000007466D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	1228	rundll32.exe
8	1228	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 7 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 1228	1940	rundll32.exe	26
PID 1940 wrote to memory of 1228	1940	rundll32.exe	26
PID 1940 wrote to memory of 1228	1940	rundll32.exe	26
PID 1940 wrote to memory of 1228	1940	rundll32.exe	26
PID 1940 wrote to memory of 1228	1940	rundll32.exe	26
PID 1940 wrote to memory of 1228	1940	rundll32.exe	26
PID 1940 wrote to memory of 1228	1940	rundll32.exe	26

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Artemis54832AF60506.12249.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Artemis54832AF60506.12249.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1228

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/1228-3-0x00000000759F1000-0x00000000759F3000-memory.dmp

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memory/1228-4-0x0000000074630000-0x000000007466D000-memory.dmp

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memory/1228-5-0x0000000074630000-0x000000007466D000-memory.dmp

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memory/1228-6-0x0000000000170000-0x0000000000171000-memory.dmp

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memory/1628-7-0x000007FEF7120000-0x000007FEF739A000-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