dridex | fc5ed1fc0fe85e04b0081795af27f686aded1ece480d2ec02f12c39cd6dce35d

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
23-06-2021 19:33

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General

Target

fc5ed1fc0fe85e04b0081795af27f686aded1ece480d2ec02f12c39cd6dce35d.dll
Size

160KB
MD5

72f9355430bfdb5c47e0c3ffed78396f
SHA1

5f1c23e70f1d47e220b1d78a8de5a64d3cc81e84
SHA256

fc5ed1fc0fe85e04b0081795af27f686aded1ece480d2ec02f12c39cd6dce35d
SHA512

4a370ff58ab2e7ce9c261077518b2a652eeba00c38b492cfd739355338abc3f8add3328114d27e37e80cacf4db59fcdbb758b423ae1f6ac113eda46d6913598d

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/2192-115-0x00000000739B0000-0x00000000739DE000-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 3920 wrote to memory of 2192	3920	rundll32.exe	rundll32.exe
PID 3920 wrote to memory of 2192	3920	rundll32.exe	rundll32.exe
PID 3920 wrote to memory of 2192	3920	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc5ed1fc0fe85e04b0081795af27f686aded1ece480d2ec02f12c39cd6dce35d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3920

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc5ed1fc0fe85e04b0081795af27f686aded1ece480d2ec02f12c39cd6dce35d.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2192

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2192-114-0x0000000000000000-mapping.dmp

Download
memory/2192-115-0x00000000739B0000-0x00000000739DE000-memory.dmp

Filesize
184KB

Download
memory/2192-117-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download