dridex | 73e89e136ba2b6cad4cad3a2ca331cf5d8a0cb387ee43de199999672c53bd15e

Analysis

max time kernel
86s
max time network
137s
platform
windows10_x64
resource
win10v20210410
submitted
29/04/2021, 12:15

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General

Target
422a91b9_by_Libranalysis.dll
Size 162KB
Sample210429-vf1s9w142a
SHA256 73e89e136ba2b6cad4cad3a2ca331cf5d8a0cb387ee43de199999672c53bd15e
MD5 422a91b98717939e4da613d6179f56db
SHA1 561831eec812adc4671558e1e63b58936ab7897b
SHA512 2ad103ad7b80cadccc00b333c4b4065e2b8e91b62cdb7679944ccbe139d579b9bedbcda936c3768cafb5f3a66a5460dd860b8009fe9f0814c0a9d95b73524e27
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/900-115-0x00000000736B0000-0x00000000736DE000-memory.dmp	dridex_ldr

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 3680 wrote to memory of 900	3680	rundll32.exe	72
PID 3680 wrote to memory of 900	3680	rundll32.exe	72
PID 3680 wrote to memory of 900	3680	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\422a91b9_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\422a91b9_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:900

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/900-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

Download

memory/900-117-0x0000000003030000-0x00000000030DE000-memory.dmp