dridex | f780dcb5fe5897d3aa9841b1bfd44df65d4303ff996fa0ea689550759904e5b2

Analysis

max time kernel
150s
max time network
150s
platform
windows10_x64
resource
win10v20210410
submitted
16/05/2021, 02:05

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General

Target
404fe50c_by_Libranalysis.dll
Size 162KB
Sample210516-jac3mld3y2
SHA256 f780dcb5fe5897d3aa9841b1bfd44df65d4303ff996fa0ea689550759904e5b2
MD5 404fe50cef0cdc5a7568da40fb37d688
SHA1 856502755aa4a7a93ebb579318415149d23af075
SHA512 90c6bd6763a2a14c70b95538b439e0b93843a77736742bbbd15eaf6c4013e83860a43e2a24ca4454776b8075d79ae59ab9dce5a5c4a3b5ae8d69b44598c3c9e9
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/3608-115-0x00000000739D0000-0x00000000739FE000-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 3172 wrote to memory of 3608	3172	rundll32.exe	37
PID 3172 wrote to memory of 3608	3172	rundll32.exe	37
PID 3172 wrote to memory of 3608	3172	rundll32.exe	37

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\404fe50c_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\404fe50c_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3608

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/3608-115-0x00000000739D0000-0x00000000739FE000-memory.dmp

Download

memory/3608-117-0x0000000000560000-0x0000000000566000-memory.dmp