dridex | 57806a1fdc9e4bdc3d77ca297f75df5ec41dff08d604944d9634f1f7a675813c

Analysis

max time kernel
39s
max time network
94s
platform
windows7_x64
resource
win7v20201028
submitted
22/03/2021, 15:58

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General

Target
57806a1fdc9e4bdc3d77ca297f75df5ec41dff08d604944d9634f1f7a675813c.dll
Size 345KB
Sample210322-eynnzjv912
SHA256 57806a1fdc9e4bdc3d77ca297f75df5ec41dff08d604944d9634f1f7a675813c
MD5 7e4920746f093051f26f75b1f2cbd435
SHA1 2d3bfac993085a32abb27ba21c165f5c573f5bdc
SHA512 7668ab2a86b989ce1a67ae6c685658fcd35c7b533d1f70791eb80b26b8d90b7600b00e73badcc764ef4b85f5c0583a6cae44948868861f43e99221eea66b3485
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

210.65.244.179:443
37.247.35.130:6601
103.18.108.116:6601

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/904-4-0x0000000074670000-0x00000000746AD000-memory.dmp	dridex_ldr
behavioral1/memory/904-5-0x0000000074670000-0x00000000746AD000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
6	904	rundll32.exe
8	904	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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 2008 wrote to memory of 904	2008	rundll32.exe	20
PID 2008 wrote to memory of 904	2008	rundll32.exe	20
PID 2008 wrote to memory of 904	2008	rundll32.exe	20
PID 2008 wrote to memory of 904	2008	rundll32.exe	20
PID 2008 wrote to memory of 904	2008	rundll32.exe	20
PID 2008 wrote to memory of 904	2008	rundll32.exe	20
PID 2008 wrote to memory of 904	2008	rundll32.exe	20

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\57806a1fdc9e4bdc3d77ca297f75df5ec41dff08d604944d9634f1f7a675813c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\57806a1fdc9e4bdc3d77ca297f75df5ec41dff08d604944d9634f1f7a675813c.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:904

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/904-3-0x0000000075EA1000-0x0000000075EA3000-memory.dmp

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memory/904-4-0x0000000074670000-0x00000000746AD000-memory.dmp

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memory/904-5-0x0000000074670000-0x00000000746AD000-memory.dmp

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memory/904-6-0x0000000000170000-0x0000000000171000-memory.dmp

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memory/1064-7-0x000007FEF5D50000-0x000007FEF5FCA000-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