dridex | 3c0d091011e79a21593bfe63fe143ca1cec2811b7818d6e87ef4bdb8882002ef

Analysis

max time kernel
89s
max time network
120s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:17

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General

Target

3c0d091011e79a21593bfe63fe143ca1cec2811b7818d6e87ef4bdb8882002ef.dll
Size

154KB
MD5

b8a6cab7db3ee98895efbb78eded9463
SHA1

055a773253825c4dcce34d92efa1ae0dad7a2e51
SHA256

3c0d091011e79a21593bfe63fe143ca1cec2811b7818d6e87ef4bdb8882002ef
SHA512

6122444ce4b74d104f94c2b07bee880e8774f73b4e7ea039dbbafb5905ff0a264cbc4e681484cd2eed41b26e191cafc6ca9f977f5964fc401376390c11ed3a36

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/3964-115-0x00000000742E0000-0x000000007430D000-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 3984 wrote to memory of 3964	3984	rundll32.exe	rundll32.exe
PID 3984 wrote to memory of 3964	3984	rundll32.exe	rundll32.exe
PID 3984 wrote to memory of 3964	3984	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c0d091011e79a21593bfe63fe143ca1cec2811b7818d6e87ef4bdb8882002ef.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c0d091011e79a21593bfe63fe143ca1cec2811b7818d6e87ef4bdb8882002ef.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3964

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/3964-114-0x0000000000000000-mapping.dmp

Download
memory/3964-115-0x00000000742E0000-0x000000007430D000-memory.dmp

Filesize
180KB

Download
memory/3964-117-0x0000000002890000-0x0000000002896000-memory.dmp

Filesize
24KB

Download