c3b341c0a93297c74ac192f2ea93d5c0b408f77c7b0d8340ccc1018b33987736

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16/10/2024, 04:34

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General

Target
c3b341c0a93297c74ac192f2ea93d5c0b408f77c7b0d8340ccc1018b33987736.exe
Size 205KB
Sample241016-e65hhsxbkq
SHA256 c3b341c0a93297c74ac192f2ea93d5c0b408f77c7b0d8340ccc1018b33987736
MD5 0964b796d1911793a857ff5e15ac192c
SHA1 491bc164ecc4b251ce8163a14df10fc29ac47df7
SHA512 8b8501828e87c787c9bc6a4400bbd1c972a419f0763d77d12256040d5c5d0c03fd2e5507cadc6359a451c67f00cf318a5c23b3d3a418c4077e6a228e385809c8
SSDEEP 6144:grW/2QVVmeKv8bjR/aHmcEuUmeB9lLZ9gzQ6:cWexeRvdImbHVgz3
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

bootkit discovery persistence spyware stealer upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2496	adxyux.exe

Executes dropped EXE 2 IoCs

pid	Process
2496	adxyux.exe
1960	hci.exe

Loads dropped DLL 7 IoCs

pid	Process
1680	cmd.exe
1680	cmd.exe
2496	adxyux.exe
1960	hci.exe
1960	hci.exe
1960	hci.exe
1960	hci.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\flate = "c:\\Program Files\\ggssnih\\hci.exe \"c:\\Program Files\\ggssnih\\hcibl.dll\",inflate"	hci.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)	\??\b:	hci.exe
File opened (read-only)	\??\n:	hci.exe
File opened (read-only)	\??\o:	hci.exe
File opened (read-only)	\??\v:	hci.exe
File opened (read-only)	\??\w:	hci.exe
File opened (read-only)	\??\x:	hci.exe
File opened (read-only)	\??\a:	hci.exe
File opened (read-only)	\??\h:	hci.exe
File opened (read-only)	\??\i:	hci.exe
File opened (read-only)	\??\l:	hci.exe
File opened (read-only)	\??\r:	hci.exe
File opened (read-only)	\??\u:	hci.exe
File opened (read-only)	\??\y:	hci.exe
File opened (read-only)	\??\e:	hci.exe
File opened (read-only)	\??\k:	hci.exe
File opened (read-only)	\??\m:	hci.exe
File opened (read-only)	\??\p:	hci.exe
File opened (read-only)	\??\t:	hci.exe
File opened (read-only)	\??\z:	hci.exe
File opened (read-only)	\??\g:	hci.exe
File opened (read-only)	\??\j:	hci.exe
File opened (read-only)	\??\q:	hci.exe
File opened (read-only)	\??\s:	hci.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	hci.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000019446-20.dat	upx
behavioral1/memory/1960-28-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral1/memory/1960-27-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral1/memory/1960-26-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral1/memory/1960-29-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral1/memory/1960-33-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral1/memory/1960-34-0x0000000010000000-0x000000001004B000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\ggssnih\hci.exe	adxyux.exe
File opened for modification	\??\c:\Program Files\ggssnih	adxyux.exe
File created	\??\c:\Program Files\ggssnih\hcibl.dll	adxyux.exe
File created	\??\c:\Program Files\ggssnih\hci.exe	adxyux.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	c3b341c0a93297c74ac192f2ea93d5c0b408f77c7b0d8340ccc1018b33987736.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	adxyux.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hci.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
2060	PING.EXE
1680	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	hci.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	hci.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2060	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1960	hci.exe
1960	hci.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1960	hci.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1956	c3b341c0a93297c74ac192f2ea93d5c0b408f77c7b0d8340ccc1018b33987736.exe
2496	adxyux.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 1680	1956	c3b341c0a93297c74ac192f2ea93d5c0b408f77c7b0d8340ccc1018b33987736.exe	30
PID 1956 wrote to memory of 1680	1956	c3b341c0a93297c74ac192f2ea93d5c0b408f77c7b0d8340ccc1018b33987736.exe	30
PID 1956 wrote to memory of 1680	1956	c3b341c0a93297c74ac192f2ea93d5c0b408f77c7b0d8340ccc1018b33987736.exe	30
PID 1956 wrote to memory of 1680	1956	c3b341c0a93297c74ac192f2ea93d5c0b408f77c7b0d8340ccc1018b33987736.exe	30
PID 1680 wrote to memory of 2060	1680	cmd.exe	32
PID 1680 wrote to memory of 2060	1680	cmd.exe	32
PID 1680 wrote to memory of 2060	1680	cmd.exe	32
PID 1680 wrote to memory of 2060	1680	cmd.exe	32
PID 1680 wrote to memory of 2496	1680	cmd.exe	33
PID 1680 wrote to memory of 2496	1680	cmd.exe	33
PID 1680 wrote to memory of 2496	1680	cmd.exe	33
PID 1680 wrote to memory of 2496	1680	cmd.exe	33
PID 2496 wrote to memory of 1960	2496	adxyux.exe	34
PID 2496 wrote to memory of 1960	2496	adxyux.exe	34
PID 2496 wrote to memory of 1960	2496	adxyux.exe	34
PID 2496 wrote to memory of 1960	2496	adxyux.exe	34

C:\Users\Admin\AppData\Local\Temp\c3b341c0a93297c74ac192f2ea93d5c0b408f77c7b0d8340ccc1018b33987736.exe
"C:\Users\Admin\AppData\Local\Temp\c3b341c0a93297c74ac192f2ea93d5c0b408f77c7b0d8340ccc1018b33987736.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\adxyux.exe "C:\Users\Admin\AppData\Local\Temp\c3b341c0a93297c74ac192f2ea93d5c0b408f77c7b0d8340ccc1018b33987736.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1680
- - 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:2060
- - C:\Users\Admin\AppData\Local\Temp\adxyux.exe
    C:\Users\Admin\AppData\Local\Temp\\adxyux.exe "C:\Users\Admin\AppData\Local\Temp\c3b341c0a93297c74ac192f2ea93d5c0b408f77c7b0d8340ccc1018b33987736.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2496
  - - \??\c:\Program Files\ggssnih\hci.exe
      "c:\Program Files\ggssnih\hci.exe" "c:\Program Files\ggssnih\hcibl.dll",inflate C:\Users\Admin\AppData\Local\Temp\adxyux.exe
      4⤵
      Executes dropped EXE
      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:1960

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

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

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Downloads

adxyux.exe

Path C:\Users\Admin\AppData\Local\Temp\adxyux.exe
Size 205KB
SHA256 ea3ab116ff16c6b88c7da50f51e37c0fa3d3ae14f0191537e18dba10cffb40ee
MD5 408f1042110212c6a3b43d217f187f37
SHA1 92b21b78b88c18e44b5f6091321963927818938d
SHA512 e32f8bb3375c2c800a66b4135836251fa58117d0da88e31dc3a73bb7ae288f47161f4967c2597c075fb28cd530c6c2e89216b2d191f1ea9be926896e5f6da5da
SSDEEP 6144:grW/2QVVmeKv8bjR/aHmcEuUmeB9lLZ9gzQQ:cWexeRvdImbHVgzf
MD5 SHA1 SHA512 SSDEEP

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hcibl.dll

Path \??\c:\Program Files\ggssnih\hcibl.dll
Size 134KB
SHA256 09c41bc952d1ef75629b87691ab26e3b90830fece314e27a3b45cace5737aa02
MD5 065144f276818651002cc4a0b5f3faa1
SHA1 63af78c8e2e96767380395a9fa4ec14b2b26a43d
SHA512 c8679309b97b1c3048209e0fadb0af826a5b3e5e8498aa94639acb9b30fc5af241f5442da331e99fec2235175af6fa53e6cbe9ef6b64b9c9a71cd323d5874109
SSDEEP 3072:Mz9IOfAdv1qacKNQTtP0KuYjbi7Gp0N9DLM:MzOOfAdv1XaPduYjbEfM
MD5 SHA1 SHA512 SSDEEP

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hci.exe

Path \Program Files\ggssnih\hci.exe
Size 43KB
SHA256 5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
MD5 51138beea3e2c21ec44d0932c71762a8
SHA1 8939cf35447b22dd2c6e6f443446acc1bf986d58
SHA512 794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
SSDEEP 768:mD+ellQvZSazSRqbSEln5IyYpamDjobj8SpM:E+QWvZhSRqln5IUmDjoXV
MD5 SHA1 SHA512 SSDEEP

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memory/1680-6-0x0000000000200000-0x0000000000244000-memory.dmp

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memory/1680-8-0x0000000000200000-0x0000000000244000-memory.dmp

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memory/1956-3-0x0000000000400000-0x000000000044301D-memory.dmp

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memory/1956-1-0x0000000000020000-0x0000000000021000-memory.dmp

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memory/1956-0-0x0000000000400000-0x000000000044301D-memory.dmp

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memory/1960-26-0x0000000010000000-0x000000001004B000-memory.dmp

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memory/1960-28-0x0000000010000000-0x000000001004B000-memory.dmp

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memory/1960-27-0x0000000010000000-0x000000001004B000-memory.dmp

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memory/1960-29-0x0000000010000000-0x000000001004B000-memory.dmp

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memory/1960-33-0x0000000010000000-0x000000001004B000-memory.dmp

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memory/1960-34-0x0000000010000000-0x000000001004B000-memory.dmp

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memory/2496-19-0x0000000000400000-0x000000000044301D-memory.dmp

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memory/2496-11-0x0000000000020000-0x0000000000021000-memory.dmp

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memory/2496-10-0x0000000000400000-0x000000000044301D-memory.dmp

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