yunsip | 74b3303eeaf9e9902c3ed7924bcf9e053a6f1aa0214a82e9f6dfde1f3d6c0ead

Analysis

max time kernel
13s
max time network
20s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
25-07-2024 04:14

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General

Target

6e790562de76fe3b119dcf8b1bb64a00N.dll
Size

1.0MB
MD5

6e790562de76fe3b119dcf8b1bb64a00
SHA1

cae3c074ef9ea5304d520ce3fb364e79f5aa1c24
SHA256

74b3303eeaf9e9902c3ed7924bcf9e053a6f1aa0214a82e9f6dfde1f3d6c0ead
SHA512

dd7454465381c29ee731da166e4288839866613f0c752d7ebfdf04d246b92725adf9e79b562b01d9ef29deea929c2ce69887aae946ea3d1048b4eb88f4da82e5
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYA:o6RI1Fo/wT3cJYYYYYYYYYYYYA

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 1140 wrote to memory of 2364	1140	rundll32.exe	30
PID 1140 wrote to memory of 2364	1140	rundll32.exe	30
PID 1140 wrote to memory of 2364	1140	rundll32.exe	30
PID 1140 wrote to memory of 2364	1140	rundll32.exe	30
PID 1140 wrote to memory of 2364	1140	rundll32.exe	30
PID 1140 wrote to memory of 2364	1140	rundll32.exe	30
PID 1140 wrote to memory of 2364	1140	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6e790562de76fe3b119dcf8b1bb64a00N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6e790562de76fe3b119dcf8b1bb64a00N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2364

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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