yunsip | 2334c6cad2181bb74450e9eb1a0cfc13563ab97b410d2b84915b53914ebd9c75

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-09-2024 06:00

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General

Target

d7bf2957ee356ee93beadb438ea814e0N.dll
Size

690KB
MD5

d7bf2957ee356ee93beadb438ea814e0
SHA1

22fc246e8681df08011d90cc047162364adfc0dd
SHA256

2334c6cad2181bb74450e9eb1a0cfc13563ab97b410d2b84915b53914ebd9c75
SHA512

fbda32ef1640bd10dbf8807a39d3dee7f0b4ea677f338dbcd8393a2ea46f367a943a063aa2701c9421a5c1e4d46cb1be20f60130416286ee70df46f4f9bae4ac
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYS:o6RI1Fo/wT3cJYYYYYYYYYYYYS

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 7 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 3012	3008	rundll32.exe	31
PID 3008 wrote to memory of 3012	3008	rundll32.exe	31
PID 3008 wrote to memory of 3012	3008	rundll32.exe	31
PID 3008 wrote to memory of 3012	3008	rundll32.exe	31
PID 3008 wrote to memory of 3012	3008	rundll32.exe	31
PID 3008 wrote to memory of 3012	3008	rundll32.exe	31
PID 3008 wrote to memory of 3012	3008	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d7bf2957ee356ee93beadb438ea814e0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d7bf2957ee356ee93beadb438ea814e0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3012

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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