yunsip | 0e8e5d16b3a1c21202133e33ac83f2852a91545897aa4b0550a6fee8c88c48f0

Analysis

max time kernel
114s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 19:11

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General

Target

0e8e5d16b3a1c21202133e33ac83f2852a91545897aa4b0550a6fee8c88c48f0N.dll
Size

677KB
MD5

55998bcd1342151ab427989d20e161a0
SHA1

d1c43733d75433a09fc833de22eda5779fb76590
SHA256

0e8e5d16b3a1c21202133e33ac83f2852a91545897aa4b0550a6fee8c88c48f0
SHA512

a956f3f4a3ed3a36c01282c2feec889e1836e65308b2277cfffc5fcb99bf5c36ca07833e12f3d97542c879381bc16d7def18a75eb264fd8f8a0f0db41334e5fc
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYY/:o6RI1Fo/wT3cJYYYYYYYYYYYY/

Score

10^/10

yunsip banker discovery trojan

Malware Config

Signatures

Yunsip
Remote backdoor which communicates with a C2 server to receive commands.
trojan banker yunsip

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 516 wrote to memory of 788	516	rundll32.exe	89
PID 516 wrote to memory of 788	516	rundll32.exe	89
PID 516 wrote to memory of 788	516	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e8e5d16b3a1c21202133e33ac83f2852a91545897aa4b0550a6fee8c88c48f0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:516
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e8e5d16b3a1c21202133e33ac83f2852a91545897aa4b0550a6fee8c88c48f0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:788

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=4616,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=1008 /prefetch:8
1⤵
PID:2660

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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