dridex | 0ad939b17cbf97c76d82c463a968a693c8619a2bb3dd6eccd4ed55e3a62c405a

Analysis

max time kernel
35s
max time network
45s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 21:16

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General

Target

0ad939b17cbf97c76d82c463a968a693c8619a2bb3dd6eccd4ed55e3a62c405a.dll
Size

161KB
MD5

cf1b3e8bc9b24a65dc2683a3fd67205d
SHA1

6137873b9cfbf38344472319dd59af387f22b088
SHA256

0ad939b17cbf97c76d82c463a968a693c8619a2bb3dd6eccd4ed55e3a62c405a
SHA512

6a8d21ee1bfeac7ee80381bf7decea3da53e8197b11dc065533badd8997f43640c4a8a348c79855f571117d2f7bfb8a73acee68c47866f945add0611cd56aa0a

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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

Processes:

resource	yara_rule
behavioral1/memory/1168-115-0x00000000742C0000-0x00000000742EE000-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 672 wrote to memory of 1168	672	rundll32.exe	rundll32.exe
PID 672 wrote to memory of 1168	672	rundll32.exe	rundll32.exe
PID 672 wrote to memory of 1168	672	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ad939b17cbf97c76d82c463a968a693c8619a2bb3dd6eccd4ed55e3a62c405a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:672

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ad939b17cbf97c76d82c463a968a693c8619a2bb3dd6eccd4ed55e3a62c405a.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1168

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/1168-114-0x0000000000000000-mapping.dmp

Download
memory/1168-115-0x00000000742C0000-0x00000000742EE000-memory.dmp

Filesize
184KB

Download
memory/1168-117-0x00000000008F0000-0x00000000008F6000-memory.dmp

Filesize
24KB

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