yunsip | 63c0580b4a6f4faef4c59ca698367aae1550d710aab6587433a334bac1aeb644

Analysis

max time kernel
106s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 06:47

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General

Target

63c0580b4a6f4faef4c59ca698367aae1550d710aab6587433a334bac1aeb644.dll
Size

1.1MB
MD5

b1ce5e3d24c36872d11e1acedd69c6b3
SHA1

10ec2fa3d92cbd47db2d0143546f1678c6c47712
SHA256

63c0580b4a6f4faef4c59ca698367aae1550d710aab6587433a334bac1aeb644
SHA512

6185f4bc9a343bc4ea77907807b9d8a7bc5b47821b63a47189551eb050ba045000270036b2fb0a67509f4556a7753e52257be5c5ae9c251bdd33e7e9db1f284c
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYH:o6RI1Fo/wT3cJYYYYYYYYYYYYH

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
Yunsip family
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 1116 wrote to memory of 3032	1116	rundll32.exe	31
PID 1116 wrote to memory of 3032	1116	rundll32.exe	31
PID 1116 wrote to memory of 3032	1116	rundll32.exe	31
PID 1116 wrote to memory of 3032	1116	rundll32.exe	31
PID 1116 wrote to memory of 3032	1116	rundll32.exe	31
PID 1116 wrote to memory of 3032	1116	rundll32.exe	31
PID 1116 wrote to memory of 3032	1116	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\63c0580b4a6f4faef4c59ca698367aae1550d710aab6587433a334bac1aeb644.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\63c0580b4a6f4faef4c59ca698367aae1550d710aab6587433a334bac1aeb644.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3032

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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