dridex | fc1998ea50acc702433a779f1b9ffdf8f5a109aeb8af5ee0dfb859214d973522

Analysis

max time kernel
28s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
29/04/2021, 16:07

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General

Target
f7531ed0_by_Libranalysis.dll
Size 162KB
Sample210429-87ffm9kyw2
SHA256 fc1998ea50acc702433a779f1b9ffdf8f5a109aeb8af5ee0dfb859214d973522
MD5 f7531ed05aaf738015e32a26a87eec57
SHA1 2bb1c11c76a3d088dfc753fa1e4601c979f530a4
SHA512 eafb61991f4b682c94c8858ca02ab5d171cf42f1c7148a7fa37816985f0fab8fee7252f4838d73b0ca44c8e2529be9f59a493b6069b0686c733f5ad020939ba5
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

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

resource	yara_rule
behavioral2/memory/3464-115-0x0000000073860000-0x000000007388E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3244 wrote to memory of 3464	3244	rundll32.exe	70
PID 3244 wrote to memory of 3464	3244	rundll32.exe	70
PID 3244 wrote to memory of 3464	3244	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7531ed0_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3244
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7531ed0_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3464

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/3464-115-0x0000000073860000-0x000000007388E000-memory.dmp

Download

memory/3464-117-0x0000000002B70000-0x0000000002B76000-memory.dmp