dridex | e2f1561c5f2dd4ca3d4e220a79e15a0558fa00cbcbcb39f2b1308336e3ed44d7

Analysis

max time kernel
84s
max time network
12s
platform
windows7_x64
resource
win7v20201028
submitted
17/03/2021, 21:30

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General

Target
e2f1561c5f2dd4ca3d4e220a79e15a0558fa00cbcbcb39f2b1308336e3ed44d7.dll
Size 208KB
Sample210317-2b2x381fve
SHA256 e2f1561c5f2dd4ca3d4e220a79e15a0558fa00cbcbcb39f2b1308336e3ed44d7
MD5 1d1dedcd0d258380c8b686fd4f7e6959
SHA1 8933230e9500ae24064b8eda14fddfaf1f7e6af0
SHA512 42831efed4fb72ade62f1deb547d2099494d01503f31396d4edf0762150c31843340f2121d187a2b2aa086bc97dd4757420fced8b3a0d1f3d80a209142e37e91
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

77.220.64.137:443
66.228.134.180:6601
199.204.214.26:7073

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1996-4-0x0000000075250000-0x0000000075286000-memory.dmp	dridex_ldr
behavioral1/memory/1996-6-0x0000000075250000-0x0000000075271000-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 7 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 1996	1852	rundll32.exe	25
PID 1852 wrote to memory of 1996	1852	rundll32.exe	25
PID 1852 wrote to memory of 1996	1852	rundll32.exe	25
PID 1852 wrote to memory of 1996	1852	rundll32.exe	25
PID 1852 wrote to memory of 1996	1852	rundll32.exe	25
PID 1852 wrote to memory of 1996	1852	rundll32.exe	25
PID 1852 wrote to memory of 1996	1852	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2f1561c5f2dd4ca3d4e220a79e15a0558fa00cbcbcb39f2b1308336e3ed44d7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2f1561c5f2dd4ca3d4e220a79e15a0558fa00cbcbcb39f2b1308336e3ed44d7.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1996

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

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Downloads

memory/1996-3-0x00000000760F1000-0x00000000760F3000-memory.dmp

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memory/1996-4-0x0000000075250000-0x0000000075286000-memory.dmp

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memory/1996-5-0x00000000001B0000-0x00000000001B6000-memory.dmp

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memory/1996-6-0x0000000075250000-0x0000000075271000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads