240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacd

Analysis

max time kernel
115s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02-11-2024 12:03

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General

Target

240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
Size

317KB
MD5

415b52543a92106f55796f445f880750
SHA1

0ebd987235e5a22f132908895b1a858a4586b18b
SHA256

240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacd
SHA512

253d7ae1d158fe351da72694d182ab346c35a2923a0aa4fedd8da2a475dd741b8e31eb12cdc89074591283db3b3d11e1a36b8f35429187bdfac2e99782bda817
SSDEEP

3072:vSQ0EWVwZhKxC5Rt+k60Zh+qw6PYSsszfHZTZJ2lbaV2:vPA6wxmuJspr2lb6

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
101592	skyrpe.exe
168180	skyrpe.exe

Loads dropped DLL 5 IoCs

pid	Process
13480	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
13480	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
13480	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
13480	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
13480	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Skype = "C:\\Users\\Admin\\AppData\\Roaming\\skype\\skyrpe.exe"	reg.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2524 set thread context of 13480	2524	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	30
PID 101592 set thread context of 168180	101592	skyrpe.exe	36

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2524-0-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2524-223-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/13480-53485-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/13480-53483-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/13480-53489-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/13480-53490-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/13480-53491-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2524-53492-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/files/0x00290000000186b7-53520.dat	upx
behavioral1/memory/101592-53535-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/13480-53687-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/13480-53689-0x0000000002C20000-0x0000000002C72000-memory.dmp	upx
behavioral1/memory/101592-53693-0x0000000000400000-0x0000000000452000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skyrpe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skyrpe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2524	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
13480	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
101592	skyrpe.exe
168180	skyrpe.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 13480	2524	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	30
PID 2524 wrote to memory of 13480	2524	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	30
PID 2524 wrote to memory of 13480	2524	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	30
PID 2524 wrote to memory of 13480	2524	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	30
PID 2524 wrote to memory of 13480	2524	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	30
PID 2524 wrote to memory of 13480	2524	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	30
PID 2524 wrote to memory of 13480	2524	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	30
PID 2524 wrote to memory of 13480	2524	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	30
PID 13480 wrote to memory of 101508	13480	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	32
PID 13480 wrote to memory of 101508	13480	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	32
PID 13480 wrote to memory of 101508	13480	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	32
PID 13480 wrote to memory of 101508	13480	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	32
PID 101508 wrote to memory of 101560	101508	cmd.exe	34
PID 101508 wrote to memory of 101560	101508	cmd.exe	34
PID 101508 wrote to memory of 101560	101508	cmd.exe	34
PID 101508 wrote to memory of 101560	101508	cmd.exe	34
PID 13480 wrote to memory of 101592	13480	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	35
PID 13480 wrote to memory of 101592	13480	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	35
PID 13480 wrote to memory of 101592	13480	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	35
PID 13480 wrote to memory of 101592	13480	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	35
PID 101592 wrote to memory of 168180	101592	skyrpe.exe	36
PID 101592 wrote to memory of 168180	101592	skyrpe.exe	36
PID 101592 wrote to memory of 168180	101592	skyrpe.exe	36
PID 101592 wrote to memory of 168180	101592	skyrpe.exe	36
PID 101592 wrote to memory of 168180	101592	skyrpe.exe	36
PID 101592 wrote to memory of 168180	101592	skyrpe.exe	36
PID 101592 wrote to memory of 168180	101592	skyrpe.exe	36
PID 101592 wrote to memory of 168180	101592	skyrpe.exe	36
PID 101592 wrote to memory of 168248	101592	skyrpe.exe	37
PID 101592 wrote to memory of 168248	101592	skyrpe.exe	37
PID 101592 wrote to memory of 168248	101592	skyrpe.exe	37
PID 101592 wrote to memory of 168248	101592	skyrpe.exe	37
PID 101592 wrote to memory of 168248	101592	skyrpe.exe	37
PID 101592 wrote to memory of 168248	101592	skyrpe.exe	37

C:\Users\Admin\AppData\Local\Temp\240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
"C:\Users\Admin\AppData\Local\Temp\240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Users\Admin\AppData\Local\Temp\240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
  "C:\Users\Admin\AppData\Local\Temp\240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:13480
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\CQGUP.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:101508
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Skype" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:101560
- - C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
    "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:101592
  - - C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
      "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:168180
  - - C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
      "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
      4⤵
      PID:168248

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\CQGUP.bat

Filesize
139B

MD5
0654f004b2e314bad7f75867e91da37d

SHA1
4232c22e7340b12108d86e3cb35ed288a3dbc7f1

SHA256
ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249

SHA512
dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553

Download Submit
C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe

Filesize
317KB

MD5
9825ab6077c5207cb461430ac08d8da2

SHA1
4f7213bad6332fdc13e91f5c8ab88b84c97ba5ec

SHA256
8d0b4a732920eba11ae2d038cde0c0495dd38a864920365b946eac687f1fdf3f

SHA512
238f750329c7b42d20f4366fc1ca897f83029ffad0ea698adf167840d9892c98698b00591159f619dc7cfe450a02accb4af5ee0d6ed79a03a8fbcd156bf68282

Download Submit
memory/2524-53492-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2524-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2524-60-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2524-223-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2524-0-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/13480-53483-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/13480-53532-0x0000000002C20000-0x0000000002C72000-memory.dmp

Filesize
328KB

Download
memory/13480-53490-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/13480-53491-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/13480-53481-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/13480-53485-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/13480-53487-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/13480-53523-0x0000000002C20000-0x0000000002C72000-memory.dmp

Filesize
328KB

Download
memory/13480-53533-0x0000000002C20000-0x0000000002C72000-memory.dmp

Filesize
328KB

Download
memory/13480-53489-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/13480-53690-0x0000000002C20000-0x0000000002C72000-memory.dmp

Filesize
328KB

Download
memory/13480-53687-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/13480-53689-0x0000000002C20000-0x0000000002C72000-memory.dmp

Filesize
328KB

Download
memory/13480-53691-0x0000000002C20000-0x0000000002C72000-memory.dmp

Filesize
328KB

Download
memory/13480-53692-0x0000000002C20000-0x0000000002C72000-memory.dmp

Filesize
328KB

Download
memory/101592-53535-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/101592-53693-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads