95ffed6888dde882a053f5498ad9d4f0feb1b49bfc22ce934c3c76593f1e514d

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
27/07/2024, 05:40

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General

Target

9abedfec687db7a9273e5e9157af74e0N.exe
Size

81KB
MD5

9abedfec687db7a9273e5e9157af74e0
SHA1

1d79bd8bef8703f1f3b3031d83cb50a23964133e
SHA256

95ffed6888dde882a053f5498ad9d4f0feb1b49bfc22ce934c3c76593f1e514d
SHA512

c9bb28a50aaecef0f2e010216591d9771a2c6689b6a8c40a43e7e52b2385961ab229e7eeda180411cde289dac83e69a77923f8c27a87b7af77319b140da71ceb
SSDEEP

1536:6LxJJlguY/NbvWU2VkWlVvtlqDyKJR40AEEot:cc/R+U23vtlPR0pN

Score

8^/10

bootkit discovery persistence spyware stealer upx

Malware Config

Signatures

Blocklisted process makes network request 9 IoCs

flow	pid	Process
4	3032	rundll32.exe
5	3032	rundll32.exe
6	3032	rundll32.exe
7	3032	rundll32.exe
8	3032	rundll32.exe
9	3032	rundll32.exe
10	3032	rundll32.exe
11	3032	rundll32.exe
13	3032	rundll32.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0009000000015e4f-17.dat	acprotect

Deletes itself 1 IoCs

pid	Process
2784	gnhak.exe

Executes dropped EXE 1 IoCs

pid	Process
2784	gnhak.exe

Loads dropped DLL 4 IoCs

pid	Process
3032	rundll32.exe
3032	rundll32.exe
3032	rundll32.exe
3032	rundll32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/3032-18-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral1/files/0x0009000000015e4f-17.dat	upx
behavioral1/memory/3032-14-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral1/memory/3032-19-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral1/memory/3032-23-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral1/memory/3032-24-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral1/memory/3032-25-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral1/memory/3032-27-0x0000000010000000-0x0000000010024000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\ccille\\jfxya.dll\",init"	rundll32.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gnhak.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9abedfec687db7a9273e5e9157af74e0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2976	PING.EXE
2208	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2976	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3032	rundll32.exe
3032	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3032	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1960	9abedfec687db7a9273e5e9157af74e0N.exe
2784	gnhak.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 2208	1960	9abedfec687db7a9273e5e9157af74e0N.exe	31
PID 1960 wrote to memory of 2208	1960	9abedfec687db7a9273e5e9157af74e0N.exe	31
PID 1960 wrote to memory of 2208	1960	9abedfec687db7a9273e5e9157af74e0N.exe	31
PID 1960 wrote to memory of 2208	1960	9abedfec687db7a9273e5e9157af74e0N.exe	31
PID 2208 wrote to memory of 2976	2208	cmd.exe	33
PID 2208 wrote to memory of 2976	2208	cmd.exe	33
PID 2208 wrote to memory of 2976	2208	cmd.exe	33
PID 2208 wrote to memory of 2976	2208	cmd.exe	33
PID 2208 wrote to memory of 2784	2208	cmd.exe	34
PID 2208 wrote to memory of 2784	2208	cmd.exe	34
PID 2208 wrote to memory of 2784	2208	cmd.exe	34
PID 2208 wrote to memory of 2784	2208	cmd.exe	34
PID 2784 wrote to memory of 3032	2784	gnhak.exe	35
PID 2784 wrote to memory of 3032	2784	gnhak.exe	35
PID 2784 wrote to memory of 3032	2784	gnhak.exe	35
PID 2784 wrote to memory of 3032	2784	gnhak.exe	35
PID 2784 wrote to memory of 3032	2784	gnhak.exe	35
PID 2784 wrote to memory of 3032	2784	gnhak.exe	35
PID 2784 wrote to memory of 3032	2784	gnhak.exe	35

C:\Users\Admin\AppData\Local\Temp\9abedfec687db7a9273e5e9157af74e0N.exe
"C:\Users\Admin\AppData\Local\Temp\9abedfec687db7a9273e5e9157af74e0N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\gnhak.exe "C:\Users\Admin\AppData\Local\Temp\9abedfec687db7a9273e5e9157af74e0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2208
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2976
- - \??\c:\gnhak.exe
    c:\gnhak.exe "C:\Users\Admin\AppData\Local\Temp\9abedfec687db7a9273e5e9157af74e0N.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2784
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\ccille\jfxya.dll",init c:\gnhak.exe
      4⤵
      Blocklisted process makes network request
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\gnhak.exe

Filesize
81KB

MD5
52afb07bde63f656d1ba09d909384dc9

SHA1
b389fd27e49759a7cae501f960db2621ed25917c

SHA256
d227be1e054b8798726911623dc08f3440ce9a421b6b447330648c861ec16ec1

SHA512
34af19f79cbc13f6533ca13a7efbf3ffbbfe9e95d3c9fd9ea4b47955fe82493f5e052aee62ec6bab7a0a38a361200d5a2d00442c4ed6f5e73ac6a2cab48386c7

Download Submit
\ccille\jfxya.dll

Filesize
46KB

MD5
42fe886bcb6460f7c2a46e21ecac5da6

SHA1
7d9a1c9fe17121cf61444da965f29e974a95ede2

SHA256
b6bc7902da0250f6ca920b35b222f6a0fe62102caf05d2a1722c4d3b225a0a9e

SHA512
3d1a7dc1d9ca8a4376302ba20df584ad59b98e0d3b18b06b22d7f5a455833ce124e412fc1922a3b704dcbafa31987cda3115c9a71dd6299683502cebae33567c

Download Submit
memory/1960-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1960-1-0x0000000000280000-0x0000000000282000-memory.dmp

Filesize
8KB

Download
memory/1960-3-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2208-7-0x0000000000180000-0x0000000000197000-memory.dmp

Filesize
92KB

Download
memory/2208-6-0x0000000000180000-0x0000000000197000-memory.dmp

Filesize
92KB

Download
memory/2784-8-0x0000000000380000-0x0000000000382000-memory.dmp

Filesize
8KB

Download
memory/2784-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3032-18-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/3032-14-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/3032-19-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/3032-23-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/3032-24-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/3032-25-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/3032-27-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download