39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\57416 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msrtbicyf.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe

Executes dropped EXE 3 IoCs

pid	Process
89732	skyrpe.exe
34528	skyrpe.exe
34592	skyrpe.exe

Loads dropped DLL 5 IoCs

pid	Process
89124	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe
89124	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe
89124	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe
89124	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe
89124	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/89124-53482-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/89124-53484-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/89124-53487-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/89124-53488-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/89124-53489-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/89124-53683-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/34528-106963-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/89124-106971-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/34528-106984-0x0000000000400000-0x000000000040B000-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-1-5-21-3627615824-4061627003-3019543961-1000\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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum	skyrpe.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	skyrpe.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2352 set thread context of 89124	2352	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	28
PID 89732 set thread context of 34528	89732	skyrpe.exe	35
PID 89732 set thread context of 34592	89732	skyrpe.exe	36

Drops file in Program Files directory 1 IoCs

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

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
34592	skyrpe.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
34592	skyrpe.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe
Token: SeDebugPrivilege	34528	skyrpe.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2352	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe
89124	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe
89732	skyrpe.exe
34528	skyrpe.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 89124	2352	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	28
PID 2352 wrote to memory of 89124	2352	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	28
PID 2352 wrote to memory of 89124	2352	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	28
PID 2352 wrote to memory of 89124	2352	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	28
PID 2352 wrote to memory of 89124	2352	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	28
PID 2352 wrote to memory of 89124	2352	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	28
PID 2352 wrote to memory of 89124	2352	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	28
PID 2352 wrote to memory of 89124	2352	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	28
PID 89124 wrote to memory of 89500	89124	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	29
PID 89124 wrote to memory of 89500	89124	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	29
PID 89124 wrote to memory of 89500	89124	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	29
PID 89124 wrote to memory of 89500	89124	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	29
PID 89500 wrote to memory of 89672	89500	cmd.exe	31
PID 89500 wrote to memory of 89672	89500	cmd.exe	31
PID 89500 wrote to memory of 89672	89500	cmd.exe	31
PID 89500 wrote to memory of 89672	89500	cmd.exe	31
PID 89124 wrote to memory of 89732	89124	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	32
PID 89124 wrote to memory of 89732	89124	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	32
PID 89124 wrote to memory of 89732	89124	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	32
PID 89124 wrote to memory of 89732	89124	39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe	32
PID 89732 wrote to memory of 34528	89732	skyrpe.exe	35
PID 89732 wrote to memory of 34528	89732	skyrpe.exe	35
PID 89732 wrote to memory of 34528	89732	skyrpe.exe	35
PID 89732 wrote to memory of 34528	89732	skyrpe.exe	35
PID 89732 wrote to memory of 34528	89732	skyrpe.exe	35
PID 89732 wrote to memory of 34528	89732	skyrpe.exe	35
PID 89732 wrote to memory of 34528	89732	skyrpe.exe	35
PID 89732 wrote to memory of 34528	89732	skyrpe.exe	35
PID 89732 wrote to memory of 34592	89732	skyrpe.exe	36
PID 89732 wrote to memory of 34592	89732	skyrpe.exe	36
PID 89732 wrote to memory of 34592	89732	skyrpe.exe	36
PID 89732 wrote to memory of 34592	89732	skyrpe.exe	36
PID 89732 wrote to memory of 34592	89732	skyrpe.exe	36
PID 89732 wrote to memory of 34592	89732	skyrpe.exe	36
PID 89732 wrote to memory of 34592	89732	skyrpe.exe	36
PID 34592 wrote to memory of 34640	34592	skyrpe.exe	37
PID 34592 wrote to memory of 34640	34592	skyrpe.exe	37
PID 34592 wrote to memory of 34640	34592	skyrpe.exe	37
PID 34592 wrote to memory of 34640	34592	skyrpe.exe	37

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:2352
- C:\Users\Admin\AppData\Local\Temp\39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\39bee9f9c8955c18845557c32883745a61ca95a64c01a1876f711f02d6101baa_NeikiAnalytics.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:89124
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\OWOBD.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:89500
  - - 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:89672
- - 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:89732
  - - 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:34528
  - - 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:34592
    - - 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:34640

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\OWOBD.bat

Filesize
139B

MD5
0654f004b2e314bad7f75867e91da37d

SHA1
4232c22e7340b12108d86e3cb35ed288a3dbc7f1

SHA256
ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249

SHA512
dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553

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

Filesize
284KB

MD5
655c9fa33f9fe40c10d6757cb57d5b4b

SHA1
9f9cc4b1c27b1abc8daba3263dc04de38e5b5132

SHA256
12433e7e487a11c7c541e41f552d104647d2fbaf22d03739dad291a4e953b573

SHA512
564205eda18bcac1c3caa391c7cdd92d4d9d69c6653d6257bf093d91295881810b52a4a2dab7e8a9c13a2c9abe094c5edd343a97fc0b5b945a6432e9940de9c2

Download Submit
memory/2352-0-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2352-3-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/34528-106984-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/34528-106963-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/34592-106974-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/34592-106964-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/89124-53489-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/89124-53488-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/89124-53487-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/89124-53683-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/89124-53486-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/89124-53484-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/89124-106971-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/89124-53482-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/89124-53480-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/89732-53529-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download