dridex | 61259bcd7169a04add08c19cf4ae33a276f50f28653b94eee9f72235b8e39ab6

Analysis

max time kernel
75s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-09-2024 23:30

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General

Target

61259bcd7169a04add08c19cf4ae33a276f50f28653b94eee9f72235b8e39ab6.dll
Size

180KB
MD5

c4c3be621d6a72aa5c407014c6962a7e
SHA1

169dd24235dfd7e7076fadfc84a41dcae139e09e
SHA256

61259bcd7169a04add08c19cf4ae33a276f50f28653b94eee9f72235b8e39ab6
SHA512

3c01769f5680c781889e038d9112d00846a06454240e27f249a3430b90d6b387d8f5dda43883c33214899f648a3cb266544d13fad8b070d3aa2aee3258c204c3
SSDEEP

3072:x3U+o/fwAUfM8+NmXhjlAZ+SWlxT5H3zipQIoZeErkxUNBG0:ZUZYxfM8+YXfq+SOxTxjipQjzk3

Score

10^/10

dridex 111 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

111

94.126.8.2:443

81.2.235.131:1688

178.63.156.139:3388

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
behavioral2/memory/4252-1-0x0000000074A50000-0x0000000074A7E000-memory.dmp	dridex_ldr
behavioral2/memory/4252-2-0x0000000074A50000-0x0000000074A7E000-memory.dmp	dridex_ldr

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 4252	1936	rundll32.exe	90
PID 1936 wrote to memory of 4252	1936	rundll32.exe	90
PID 1936 wrote to memory of 4252	1936	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\61259bcd7169a04add08c19cf4ae33a276f50f28653b94eee9f72235b8e39ab6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\61259bcd7169a04add08c19cf4ae33a276f50f28653b94eee9f72235b8e39ab6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4252

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4152,i,3387628439405076340,17957358341235678872,262144 --variations-seed-version --mojo-platform-channel-handle=4180 /prefetch:8
1⤵
PID:2344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4252-0-0x0000000000C80000-0x0000000000C86000-memory.dmp

Filesize
24KB

Download
memory/4252-1-0x0000000074A50000-0x0000000074A7E000-memory.dmp

Filesize
184KB

Download
memory/4252-3-0x0000000000C80000-0x0000000000C86000-memory.dmp

Filesize
24KB

Download
memory/4252-2-0x0000000074A50000-0x0000000074A7E000-memory.dmp

Filesize
184KB

Download