dridex | 59128e46bb0e23b4b892d01c0ae70218de61c9a7439c80659bff8ef2489ca099

Analysis

max time kernel
69s
max time network
128s
platform
windows7_x64
resource
win7v20201028
submitted
22/03/2021, 18:45

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General

Target
59128e46bb0e23b4b892d01c0ae70218de61c9a7439c80659bff8ef2489ca099.dll
Size 373KB
Sample210322-8vne5pgc8a
SHA256 59128e46bb0e23b4b892d01c0ae70218de61c9a7439c80659bff8ef2489ca099
MD5 19bc551df7dfd4930b199504abd520cb
SHA1 1288e384dfe9bacfdad6578aa52941860bbe5101
SHA512 ed52367698f9f706d31874d079956008077fd06f566265688a5e2101987ee8d6be5d724e3335cff3bbb736f1c819c94083131c7529ae7081459043bb094fde98
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/1280-4-0x0000000074BB0000-0x0000000074BED000-memory.dmp	dridex_ldr
behavioral1/memory/1280-5-0x0000000074BB0000-0x0000000074BED000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	1280	rundll32.exe
7	1280	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 1636 wrote to memory of 1280	1636	rundll32.exe	26
PID 1636 wrote to memory of 1280	1636	rundll32.exe	26
PID 1636 wrote to memory of 1280	1636	rundll32.exe	26
PID 1636 wrote to memory of 1280	1636	rundll32.exe	26
PID 1636 wrote to memory of 1280	1636	rundll32.exe	26
PID 1636 wrote to memory of 1280	1636	rundll32.exe	26
PID 1636 wrote to memory of 1280	1636	rundll32.exe	26

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\59128e46bb0e23b4b892d01c0ae70218de61c9a7439c80659bff8ef2489ca099.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\59128e46bb0e23b4b892d01c0ae70218de61c9a7439c80659bff8ef2489ca099.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1280

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/1280-3-0x00000000761E1000-0x00000000761E3000-memory.dmp

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memory/1280-4-0x0000000074BB0000-0x0000000074BED000-memory.dmp

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memory/1280-5-0x0000000074BB0000-0x0000000074BED000-memory.dmp

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memory/1280-6-0x0000000000110000-0x0000000000111000-memory.dmp

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memory/1568-7-0x000007FEF6380000-0x000007FEF65FA000-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