39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
21-05-2024 10:49

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General

Target

39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe
Size

284KB
MD5

b0b328d93eb4006ef6a025f6933c99e0
SHA1

22630767616437241403c51e94888c0c163c8c2e
SHA256

39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa
SHA512

8d5735ad490f71d2766e6cd8aea73765c14c38ab3bdfbdc040df2867c5bc19622ce2333d1ebb333f94d3d56d0f001638329b32389de2ff5d3608d382f3d7af05
SSDEEP

3072:KSQ0EWVwZhKxC5Rt+k60Zh+qw6PYSsszfHZTZJ2lu:KPA6wxmuJspr2l

Score

8^/10

persistence upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\64107 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msuaxo.cmd"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe

Executes dropped EXE 3 IoCs

pid	Process
4464	skyrpe.exe
3292	skyrpe.exe
4016	skyrpe.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3752-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3752-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3752-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3752-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3752-41-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3752-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3292-69-0x0000000000400000-0x000000000040B000-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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Skype = "C:\\Users\\Admin\\AppData\\Roaming\\skype\\skyrpe.exe"	reg.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	skyrpe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum	skyrpe.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3168 set thread context of 3752	3168	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	100
PID 4464 set thread context of 3292	4464	skyrpe.exe	107
PID 4464 set thread context of 4016	4464	skyrpe.exe	108

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\msuaxo.cmd	svchost.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4016	skyrpe.exe
4016	skyrpe.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4016	skyrpe.exe

Suspicious use of AdjustPrivilegeToken 51 IoCs

description	pid	Process
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe
Token: SeDebugPrivilege	3292	skyrpe.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3168	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe
3752	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe
4464	skyrpe.exe
3292	skyrpe.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 3168 wrote to memory of 3752	3168	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	100
PID 3168 wrote to memory of 3752	3168	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	100
PID 3168 wrote to memory of 3752	3168	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	100
PID 3168 wrote to memory of 3752	3168	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	100
PID 3168 wrote to memory of 3752	3168	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	100
PID 3168 wrote to memory of 3752	3168	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	100
PID 3168 wrote to memory of 3752	3168	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	100
PID 3168 wrote to memory of 3752	3168	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	100
PID 3752 wrote to memory of 5004	3752	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	101
PID 3752 wrote to memory of 5004	3752	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	101
PID 3752 wrote to memory of 5004	3752	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	101
PID 5004 wrote to memory of 4640	5004	cmd.exe	104
PID 5004 wrote to memory of 4640	5004	cmd.exe	104
PID 5004 wrote to memory of 4640	5004	cmd.exe	104
PID 3752 wrote to memory of 4464	3752	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	105
PID 3752 wrote to memory of 4464	3752	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	105
PID 3752 wrote to memory of 4464	3752	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	105
PID 4464 wrote to memory of 3292	4464	skyrpe.exe	107
PID 4464 wrote to memory of 3292	4464	skyrpe.exe	107
PID 4464 wrote to memory of 3292	4464	skyrpe.exe	107
PID 4464 wrote to memory of 3292	4464	skyrpe.exe	107
PID 4464 wrote to memory of 3292	4464	skyrpe.exe	107
PID 4464 wrote to memory of 3292	4464	skyrpe.exe	107
PID 4464 wrote to memory of 3292	4464	skyrpe.exe	107
PID 4464 wrote to memory of 3292	4464	skyrpe.exe	107
PID 4464 wrote to memory of 4016	4464	skyrpe.exe	108
PID 4464 wrote to memory of 4016	4464	skyrpe.exe	108
PID 4464 wrote to memory of 4016	4464	skyrpe.exe	108
PID 4464 wrote to memory of 4016	4464	skyrpe.exe	108
PID 4464 wrote to memory of 4016	4464	skyrpe.exe	108
PID 4464 wrote to memory of 4016	4464	skyrpe.exe	108
PID 4016 wrote to memory of 4356	4016	skyrpe.exe	109
PID 4016 wrote to memory of 4356	4016	skyrpe.exe	109
PID 4016 wrote to memory of 4356	4016	skyrpe.exe	109

C:\Users\Admin\AppData\Local\Temp\39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3168
- C:\Users\Admin\AppData\Local\Temp\39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3752
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XDECK.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5004
  - - 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
      PID:4640
- - C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
    "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4464
  - - C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
      "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:3292
  - - C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
      "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
      4⤵
      Executes dropped EXE
      Maps connected drives based on registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:4016
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\syswow64\svchost.exe
        5⤵
        Adds policy Run key to start application
        Drops file in Program Files directory
        
        PID:4356

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4136 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
1⤵
PID:4352

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\XDECK.txt

Filesize
139B

MD5
0654f004b2e314bad7f75867e91da37d

SHA1
4232c22e7340b12108d86e3cb35ed288a3dbc7f1

SHA256
ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249

SHA512
dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553

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

Filesize
284KB

MD5
044bf275c66729d1a141a78d49ef8a89

SHA1
4d97265de597ad0df264636cf9699a4ff0c6c72f

SHA256
275a0a81f3d69a663bb13f0348f5dfc8c48e05aca5f73056104f35e836afc45d

SHA512
e7972203ee563aeecccc84c7a85aeed424930cd515610a2842fb9d7a89ccbe8eb033f0231a26bab46b08efe08d462ff3800d6928bd9a861af1acb29b1312d658

Download Submit
memory/3168-7-0x0000000002B90000-0x0000000002B91000-memory.dmp

Filesize
4KB

Download
memory/3168-4-0x0000000002B70000-0x0000000002B71000-memory.dmp

Filesize
4KB

Download
memory/3168-6-0x0000000002B80000-0x0000000002B81000-memory.dmp

Filesize
4KB

Download
memory/3168-0-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3168-5-0x0000000002B60000-0x0000000002B61000-memory.dmp

Filesize
4KB

Download
memory/3168-3-0x0000000002B60000-0x0000000002B61000-memory.dmp

Filesize
4KB

Download
memory/3292-69-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3752-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3752-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3752-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3752-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3752-41-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3752-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4016-52-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4016-47-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4356-61-0x00000000009E0000-0x00000000009E5000-memory.dmp

Filesize
20KB

Download
memory/4356-67-0x00000000009F0000-0x00000000009F5000-memory.dmp

Filesize
20KB

Download
memory/4356-63-0x00000000009F0000-0x00000000009F5000-memory.dmp

Filesize
20KB

Download
memory/4464-37-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/4464-54-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/4464-46-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/4464-40-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download