dridex | c4e1346297168742d8c6a925270a850318d314e27c266aa6fe0289e2d2767dc9

Analysis

max time kernel
27s
max time network
138s
platform
windows10_x64
resource
win10v20201028
submitted
03-03-2021 19:05

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General

Target

c4e1346297168742d8c6a925270a850318d314e27c266aa6fe0289e2d2767dc9.dll
Size

188KB
MD5

11547f6c61a67f95e7609da1e3ba0fe5
SHA1

415189923a70d976858287ee81e19bb135aea790
SHA256

c4e1346297168742d8c6a925270a850318d314e27c266aa6fe0289e2d2767dc9
SHA512

31745923c1253c69a1b0568a5d2025cd79393007ce4d95413609f1bb0d4e1c069a2b8ff9a3f2c3de3a5d5ad4e2b7592f38003e33842e7fc49c824621b6e4f6a5

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

116.251.211.158:443

216.10.242.142:6601

37.247.35.137:6601

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/3112-3-0x0000000074100000-0x0000000074131000-memory.dmp	dridex_ldr
behavioral2/memory/3112-5-0x0000000074100000-0x000000007411F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

16 3112 rundll32.exe
18 3112 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

flow	pid	process
16	3112	rundll32.exe
18	3112	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 3620 wrote to memory of 3112	3620	rundll32.exe	rundll32.exe
PID 3620 wrote to memory of 3112	3620	rundll32.exe	rundll32.exe
PID 3620 wrote to memory of 3112	3620	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4e1346297168742d8c6a925270a850318d314e27c266aa6fe0289e2d2767dc9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3620

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4e1346297168742d8c6a925270a850318d314e27c266aa6fe0289e2d2767dc9.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3112-2-0x0000000000000000-mapping.dmp

Download
memory/3112-3-0x0000000074100000-0x0000000074131000-memory.dmp

Filesize
196KB

Download
memory/3112-4-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3112-5-0x0000000074100000-0x000000007411F000-memory.dmp

Filesize
124KB

Download