dridex | 728fa2b0e664abf48a301db7df6424f7b82ef3d61aba243e2ea703e87a7e8c89

Analysis

max time kernel
100s
max time network
117s
platform
windows10_x64
resource
win10v20210410
submitted
11/05/2021, 04:02

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General

Target
849a2b12_by_Libranalysis.dll
Size 162KB
Sample210511-tkbad3zeen
SHA256 728fa2b0e664abf48a301db7df6424f7b82ef3d61aba243e2ea703e87a7e8c89
MD5 849a2b12843b2119af26acb4aa5a66d3
SHA1 246da5c94d50b0100e38909975d17f3334340c60
SHA512 16e6e521bf86432a17b0fd05d52ae79571f398a7042b7a42addaf06142700e467fac49b335b43dba2aabd0ac997327b7f028b173daa4f4f4e1d8cc3eec674729
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/4088-115-0x0000000073BF0000-0x0000000073C1E000-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 3224 wrote to memory of 4088	3224	rundll32.exe	70
PID 3224 wrote to memory of 4088	3224	rundll32.exe	70
PID 3224 wrote to memory of 4088	3224	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\849a2b12_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3224
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\849a2b12_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4088

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/4088-115-0x0000000073BF0000-0x0000000073C1E000-memory.dmp

Download

memory/4088-117-0x00000000008E0000-0x00000000008E6000-memory.dmp