7b794c5bdb820791f0359da90a9a4f258412b8feef9c6e6a0411f6aead9d3a04

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/09/2024, 19:55

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General

Target

9kk.exe
Size

381KB
MD5

f5a1956973dce107d4c0b6267ce88870
SHA1

79a19513d7c9cff939f2881c4172a05dbaef735b
SHA256

7b794c5bdb820791f0359da90a9a4f258412b8feef9c6e6a0411f6aead9d3a04
SHA512

f42180c75c0ae8dc083c6fff98a66c0d875fadb400d7945816ea330a54777632a3a7752d3e78b90e45f58ed3d04d6708b1dcea51d82711356e6d14e405a7c579
SSDEEP

6144:1v60lgEVBlU2GTOMzuC/cuVXRCEPZG03ZrkZdlBF4P+/G1GB64iL7yMsEO:1vBLblUlH5LXPZd3Z4ZdlBWPsQGB64iQ

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2648 set thread context of 2712	2648	9kk.exe	32

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2592	2712	WerFault.exe	32

System Location Discovery: System Language Discovery 1 TTPs 2 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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9kk.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2900	2648	9kk.exe	31
PID 2648 wrote to memory of 2900	2648	9kk.exe	31
PID 2648 wrote to memory of 2900	2648	9kk.exe	31
PID 2648 wrote to memory of 2900	2648	9kk.exe	31
PID 2648 wrote to memory of 2900	2648	9kk.exe	31
PID 2648 wrote to memory of 2900	2648	9kk.exe	31
PID 2648 wrote to memory of 2900	2648	9kk.exe	31
PID 2648 wrote to memory of 2712	2648	9kk.exe	32
PID 2648 wrote to memory of 2712	2648	9kk.exe	32
PID 2648 wrote to memory of 2712	2648	9kk.exe	32
PID 2648 wrote to memory of 2712	2648	9kk.exe	32
PID 2648 wrote to memory of 2712	2648	9kk.exe	32
PID 2648 wrote to memory of 2712	2648	9kk.exe	32
PID 2648 wrote to memory of 2712	2648	9kk.exe	32
PID 2648 wrote to memory of 2712	2648	9kk.exe	32
PID 2648 wrote to memory of 2712	2648	9kk.exe	32
PID 2648 wrote to memory of 2712	2648	9kk.exe	32
PID 2648 wrote to memory of 2712	2648	9kk.exe	32
PID 2648 wrote to memory of 2712	2648	9kk.exe	32
PID 2648 wrote to memory of 2712	2648	9kk.exe	32
PID 2712 wrote to memory of 2592	2712	RegAsm.exe	33
PID 2712 wrote to memory of 2592	2712	RegAsm.exe	33
PID 2712 wrote to memory of 2592	2712	RegAsm.exe	33
PID 2712 wrote to memory of 2592	2712	RegAsm.exe	33

C:\Users\Admin\AppData\Local\Temp\9kk.exe
"C:\Users\Admin\AppData\Local\Temp\9kk.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2900
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 252
    3⤵
    - Program crash
    PID:2592

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/2648-0-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

Filesize
4KB

Download
memory/2648-1-0x0000000000D20000-0x0000000000D80000-memory.dmp

Filesize
384KB

Download
memory/2648-2-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2648-5-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2648-20-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2712-17-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2712-11-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2712-19-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2712-10-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2712-9-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2712-8-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2712-6-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2712-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2712-14-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download