dridex | 521e746cd0a28d8b948b1c6e8a3d3142f31f5c621bc41ceaac7897f42bc96e38

Analysis

max time kernel
26s
max time network
70s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 04:18

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General

Target

521e746cd0a28d8b948b1c6e8a3d3142f31f5c621bc41ceaac7897f42bc96e38.dll
Size

160KB
MD5

225be9ffe3ed4c14bbeb476807f99dbe
SHA1

dfac376516b4260fb34d89193fbfca253d7a3253
SHA256

521e746cd0a28d8b948b1c6e8a3d3142f31f5c621bc41ceaac7897f42bc96e38
SHA512

720fe313265373fbf91f772999e3a3d1015764b859fdb084c042c2d86c4cb6bd9b5507a29e7bfcd04dc3423619e36fc25c50b4dc3839e3f61ad367e16559dc9f

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/1060-115-0x0000000074160000-0x000000007418E000-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 860 wrote to memory of 1060	860	rundll32.exe	rundll32.exe
PID 860 wrote to memory of 1060	860	rundll32.exe	rundll32.exe
PID 860 wrote to memory of 1060	860	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\521e746cd0a28d8b948b1c6e8a3d3142f31f5c621bc41ceaac7897f42bc96e38.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:860

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\521e746cd0a28d8b948b1c6e8a3d3142f31f5c621bc41ceaac7897f42bc96e38.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1060

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/1060-114-0x0000000000000000-mapping.dmp

Download
memory/1060-115-0x0000000074160000-0x000000007418E000-memory.dmp

Filesize
184KB

Download
memory/1060-117-0x0000000002E00000-0x0000000002EAE000-memory.dmp

Filesize
696KB

Download