dridex | 41ca4110386c84882db27a2124383fe0dedf21591c42b53edccc1532bc644079

Analysis

max time kernel
29s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
29/04/2021, 05:06

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General

Target
bced9874_by_Libranalysis.dll
Size 162KB
Sample210429-cvs2heks7x
SHA256 41ca4110386c84882db27a2124383fe0dedf21591c42b53edccc1532bc644079
MD5 bced98747b5b8c145eef4fc6298219ad
SHA1 e8ec42102f3c789afdd781ed5072c9741ae62a14
SHA512 156f6e2327312a1c303ff198eef7e789cd40544e17ed505d3f86359911e73f64b36c695923e3ba5cc186262da8afbd360c3b2bd2fa2045d1f1984f9a7da0d415
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/1888-115-0x0000000073F10000-0x0000000073F3E000-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 472 wrote to memory of 1888	472	rundll32.exe	70
PID 472 wrote to memory of 1888	472	rundll32.exe	70
PID 472 wrote to memory of 1888	472	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bced9874_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:472
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bced9874_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1888

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/1888-115-0x0000000073F10000-0x0000000073F3E000-memory.dmp

Download

memory/1888-117-0x00000000009D0000-0x00000000009D6000-memory.dmp