dridex | 6f66c308fce24940264cec496f08c389564f8d02429dc8d7f04bb1d47a5f5c11

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 10:25

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General

Target

6f66c308fce24940264cec496f08c389564f8d02429dc8d7f04bb1d47a5f5c11.dll
Size

160KB
MD5

67bed611914291a7672d9cdcbda1d3cb
SHA1

fc2ed2824cce536cdd7c3345c6428f3e14b062b5
SHA256

6f66c308fce24940264cec496f08c389564f8d02429dc8d7f04bb1d47a5f5c11
SHA512

76b68f403eb29e536f537ef6f68444a30dce1000a6b0501398cdbc3fe5160210f0c67350cf7e8f38b05712e66712c574466d112b40ecc073372ebb385cbe0bb5

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/4508-115-0x0000000073820000-0x000000007384E000-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 4440 wrote to memory of 4508	4440	rundll32.exe	rundll32.exe
PID 4440 wrote to memory of 4508	4440	rundll32.exe	rundll32.exe
PID 4440 wrote to memory of 4508	4440	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6f66c308fce24940264cec496f08c389564f8d02429dc8d7f04bb1d47a5f5c11.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4440

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6f66c308fce24940264cec496f08c389564f8d02429dc8d7f04bb1d47a5f5c11.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4508

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/4508-114-0x0000000000000000-mapping.dmp

Download
memory/4508-115-0x0000000073820000-0x000000007384E000-memory.dmp

Filesize
184KB

Download
memory/4508-117-0x0000000003000000-0x000000000314A000-memory.dmp

Filesize
1.3MB

Download