dridex | 5bb488e531e32d75fbc3800fec7d8a067256c233ac8d0d6b09b1902799d74b43

Analysis

max time kernel
58s
max time network
122s
platform
windows7_x64
resource
win7v20201028
submitted
17/03/2021, 19:45

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General

Target
5bb488e531e32d75fbc3800fec7d8a067256c233ac8d0d6b09b1902799d74b43.dll
Size 208KB
Sample210317-7mm7g7rt4e
SHA256 5bb488e531e32d75fbc3800fec7d8a067256c233ac8d0d6b09b1902799d74b43
MD5 a99cf5224313f8606faf545a44aa2f05
SHA1 5bbd9730993164941008e347f600212ed1f72451
SHA512 590b8618b83fa75406286e6b9e6521a92297407e16aa3ba19e49816604518241641da8062761dd544ae47f5f47cc7932ca357ea6429cd57330e590be39934bab
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/1088-4-0x00000000747C0000-0x00000000747F6000-memory.dmp	dridex_ldr
behavioral1/memory/1088-6-0x00000000747C0000-0x00000000747E1000-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 1968 wrote to memory of 1088	1968	rundll32.exe	26
PID 1968 wrote to memory of 1088	1968	rundll32.exe	26
PID 1968 wrote to memory of 1088	1968	rundll32.exe	26
PID 1968 wrote to memory of 1088	1968	rundll32.exe	26
PID 1968 wrote to memory of 1088	1968	rundll32.exe	26
PID 1968 wrote to memory of 1088	1968	rundll32.exe	26
PID 1968 wrote to memory of 1088	1968	rundll32.exe	26

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5bb488e531e32d75fbc3800fec7d8a067256c233ac8d0d6b09b1902799d74b43.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5bb488e531e32d75fbc3800fec7d8a067256c233ac8d0d6b09b1902799d74b43.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1088

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/1088-3-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

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memory/1088-4-0x00000000747C0000-0x00000000747F6000-memory.dmp

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memory/1088-5-0x0000000000120000-0x0000000000126000-memory.dmp

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memory/1088-6-0x00000000747C0000-0x00000000747E1000-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