dridex | 5de555b4341fba9521c9f3eca5ac6603e8ed65c2f80ccc9c8b4fce0b62e92bb5

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
19-06-2021 10:21

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General

Target

5de555b4341fba9521c9f3eca5ac6603e8ed65c2f80ccc9c8b4fce0b62e92bb5.dll
Size

160KB
MD5

b98d92284a2f01365a47ef33e9248975
SHA1

1a9361323f6931e5dd463fb1da1187226f474f83
SHA256

5de555b4341fba9521c9f3eca5ac6603e8ed65c2f80ccc9c8b4fce0b62e92bb5
SHA512

b375fd31fc5832bfda4bdc58506d612eb1eb77fb39552ad2b194a3315531589f3f15e10647d542d877dd65b20f5e9a696992867a329b834a357b6ad36dfc10ef

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/2288-115-0x0000000073D70000-0x0000000073D9E000-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 3036 wrote to memory of 2288	3036	rundll32.exe	rundll32.exe
PID 3036 wrote to memory of 2288	3036	rundll32.exe	rundll32.exe
PID 3036 wrote to memory of 2288	3036	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5de555b4341fba9521c9f3eca5ac6603e8ed65c2f80ccc9c8b4fce0b62e92bb5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5de555b4341fba9521c9f3eca5ac6603e8ed65c2f80ccc9c8b4fce0b62e92bb5.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2288

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/2288-114-0x0000000000000000-mapping.dmp

Download
memory/2288-115-0x0000000073D70000-0x0000000073D9E000-memory.dmp

Filesize
184KB

Download
memory/2288-117-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

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