dridex | 379c4f2a7fafb4c50cad4771c76889a438cb8376e724882a91013e5a6ceec219

Analysis

max time kernel
24s
max time network
117s
platform
windows10_x64
resource
win10v20210410
submitted
22-06-2021 01:39

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General

Target

379c4f2a7fafb4c50cad4771c76889a438cb8376e724882a91013e5a6ceec219.dll
Size

160KB
MD5

298086987d3b07b4c999b996f6ed110b
SHA1

32672e0173a28ee22cf3a1e03abe25a40a2d42bc
SHA256

379c4f2a7fafb4c50cad4771c76889a438cb8376e724882a91013e5a6ceec219
SHA512

72e6bec886d477688d0a57002ffd92d1d52e7fe77c25d6576ed2f67672fa5f5cd44b9203aa97322c1a52a64023c12c963275dfdb2b4c9ee84182d7191b9363a0

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/4504-115-0x0000000073820000-0x000000007384E000-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 4448 wrote to memory of 4504	4448	rundll32.exe	rundll32.exe
PID 4448 wrote to memory of 4504	4448	rundll32.exe	rundll32.exe
PID 4448 wrote to memory of 4504	4448	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\379c4f2a7fafb4c50cad4771c76889a438cb8376e724882a91013e5a6ceec219.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4448

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\379c4f2a7fafb4c50cad4771c76889a438cb8376e724882a91013e5a6ceec219.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4504

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/4504-114-0x0000000000000000-mapping.dmp

Download
memory/4504-115-0x0000000073820000-0x000000007384E000-memory.dmp

Filesize
184KB

Download
memory/4504-117-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download