dridex | 7385ce6f412a73634313b37f106f41f7bb1929a94fb98813596d67dc6317f906

Analysis

max time kernel
23s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
22-06-2021 02:19

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General

Target

7385ce6f412a73634313b37f106f41f7bb1929a94fb98813596d67dc6317f906.dll
Size

158KB
MD5

88fc34b84d2afb79ce1ef3e4ec906c03
SHA1

17870843c57e2803f31d686176bf4d378de67001
SHA256

7385ce6f412a73634313b37f106f41f7bb1929a94fb98813596d67dc6317f906
SHA512

dd635b7565f62115ff14f64ac3a0cf5828ccf115c38c9d3f94525cd7f9a022ee8e44d36e4cd69e0b49bf73a1efe4785c53037cc5f99364ecf92ddf66c15803b2

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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

Processes:

resource	yara_rule
behavioral1/memory/1840-115-0x0000000073B80000-0x0000000073BAD000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4056 wrote to memory of 1840	4056	rundll32.exe	rundll32.exe
PID 4056 wrote to memory of 1840	4056	rundll32.exe	rundll32.exe
PID 4056 wrote to memory of 1840	4056	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7385ce6f412a73634313b37f106f41f7bb1929a94fb98813596d67dc6317f906.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7385ce6f412a73634313b37f106f41f7bb1929a94fb98813596d67dc6317f906.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1840

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/1840-114-0x0000000000000000-mapping.dmp

Download
memory/1840-115-0x0000000073B80000-0x0000000073BAD000-memory.dmp

Filesize
180KB

Download
memory/1840-117-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download