6bba6f3268e99406db27258831b7f90dcd67eedfeadf5a9d21f2fa3c64091bca

General

Target

6bba6f3268e99406db27258831b7f90dcd67eedfeadf5a9d21f2fa3c64091bca.exe
Size

1.3MB
MD5

1ed0417049b2a72cad3d18aa12d544eb
SHA1

afa868cdbc6cf10786f886f74b221df2a86f71f4
SHA256

6bba6f3268e99406db27258831b7f90dcd67eedfeadf5a9d21f2fa3c64091bca
SHA512

97c16b84b7f8de0f47072022d35b0ca8b67e69bd047822dcd0fe3e1055572eb118bfea264e9e0334a0db13f491643aa1ae4f11a054e9a21ab74bbe5614254fbb

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

Decoder.exesystems32.exe

pid	Process
696	Decoder.exe
32336	systems32.exe

Drops startup file 2 IoCs

Processes:

Decoder.exe

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\windows driver update.exe	Decoder.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\windows driver update.exe	Decoder.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow	ioc
5	api.ipify.org
3	api.ipify.org
4	api.ipify.org

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

Processes:

schtasks.exeschtasks.exe

pid	Process
1412	schtasks.exe
39252	schtasks.exe

Delays execution with timeout.exe 2 IoCs

evasion

Processes:

timeout.exetimeout.exe

pid	Process
1972	timeout.exe
1528	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Decoder.exesystems32.exe

pid	Process
696	Decoder.exe
32336	systems32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

6bba6f3268e99406db27258831b7f90dcd67eedfeadf5a9d21f2fa3c64091bca.exeDecoder.exesystems32.exe

description	pid	Process
Token: SeDebugPrivilege	1468	6bba6f3268e99406db27258831b7f90dcd67eedfeadf5a9d21f2fa3c64091bca.exe
Token: SeDebugPrivilege	696	Decoder.exe
Token: SeDebugPrivilege	32336	systems32.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

6bba6f3268e99406db27258831b7f90dcd67eedfeadf5a9d21f2fa3c64091bca.execmd.execmd.exeDecoder.exetaskeng.exesystems32.exe

description	pid	Process	procid_target
PID 1468 wrote to memory of 696	1468	6bba6f3268e99406db27258831b7f90dcd67eedfeadf5a9d21f2fa3c64091bca.exe	29
PID 1468 wrote to memory of 696	1468	6bba6f3268e99406db27258831b7f90dcd67eedfeadf5a9d21f2fa3c64091bca.exe	29
PID 1468 wrote to memory of 696	1468	6bba6f3268e99406db27258831b7f90dcd67eedfeadf5a9d21f2fa3c64091bca.exe	29
PID 1468 wrote to memory of 516	1468	6bba6f3268e99406db27258831b7f90dcd67eedfeadf5a9d21f2fa3c64091bca.exe	30
PID 1468 wrote to memory of 516	1468	6bba6f3268e99406db27258831b7f90dcd67eedfeadf5a9d21f2fa3c64091bca.exe	30
PID 1468 wrote to memory of 516	1468	6bba6f3268e99406db27258831b7f90dcd67eedfeadf5a9d21f2fa3c64091bca.exe	30
PID 1468 wrote to memory of 776	1468	6bba6f3268e99406db27258831b7f90dcd67eedfeadf5a9d21f2fa3c64091bca.exe	32
PID 1468 wrote to memory of 776	1468	6bba6f3268e99406db27258831b7f90dcd67eedfeadf5a9d21f2fa3c64091bca.exe	32
PID 1468 wrote to memory of 776	1468	6bba6f3268e99406db27258831b7f90dcd67eedfeadf5a9d21f2fa3c64091bca.exe	32
PID 516 wrote to memory of 1972	516	cmd.exe	34
PID 516 wrote to memory of 1972	516	cmd.exe	34
PID 516 wrote to memory of 1972	516	cmd.exe	34
PID 776 wrote to memory of 1528	776	cmd.exe	35
PID 776 wrote to memory of 1528	776	cmd.exe	35
PID 776 wrote to memory of 1528	776	cmd.exe	35
PID 696 wrote to memory of 1412	696	Decoder.exe	36
PID 696 wrote to memory of 1412	696	Decoder.exe	36
PID 696 wrote to memory of 1412	696	Decoder.exe	36
PID 31568 wrote to memory of 32336	31568	taskeng.exe	39
PID 31568 wrote to memory of 32336	31568	taskeng.exe	39
PID 31568 wrote to memory of 32336	31568	taskeng.exe	39
PID 32336 wrote to memory of 39252	32336	systems32.exe	40
PID 32336 wrote to memory of 39252	32336	systems32.exe	40
PID 32336 wrote to memory of 39252	32336	systems32.exe	40

C:\Users\Admin\AppData\Local\Temp\6bba6f3268e99406db27258831b7f90dcd67eedfeadf5a9d21f2fa3c64091bca.exe
"C:\Users\Admin\AppData\Local\Temp\6bba6f3268e99406db27258831b7f90dcd67eedfeadf5a9d21f2fa3c64091bca.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1468
- C:\ProgramData\Decoder.exe
  "C:\ProgramData\Decoder.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:696
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 1 /tn "Windows Services" /tr "\systems32_bit\systems32.exe" /f
    3⤵
    - Creates scheduled task(s)
    PID:1412
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\.cmd""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:516
- - C:\Windows\system32\timeout.exe
    timeout 4
    3⤵
    - Delays execution with timeout.exe
    PID:1972
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp29DF.tmp.cmd""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:776
- - C:\Windows\system32\timeout.exe
    timeout 4
    3⤵
    - Delays execution with timeout.exe
    PID:1528

C:\Windows\system32\taskeng.exe
taskeng.exe {27FD30FD-5BCB-4EF7-B381-56447B9564E6} S-1-5-21-594401021-1341801952-2355885667-1000:KORIIBGY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:31568
- C:\systems32_bit\systems32.exe
  \systems32_bit\systems32.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:32336
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 1 /tn "Windows Services" /tr "\systems32_bit\systems32.exe" /f
    3⤵
    - Creates scheduled task(s)
    PID:39252

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Decoder.exe

Filesize
39KB

MD5
e753a9a4c3a393d9eccc31e5c6aded66

SHA1
5501ae71598925711dbee54f6ee1c827dd01d845

SHA256
52773fccbe6883ca7465ffe857c3fe7193521f0807bd8462f95bd4ad73be9867

SHA512
ee03d79cd24db07c3466cc602a657c9eb33119267b591a64a0d9215e3a80a24e3c435275ccfb5ffd7356def5bf717c5f2d8bc9a5b2daf1950ecf951b5e614c2e

Download Submit
C:\ProgramData\Decoder.exe

Filesize
39KB

MD5
e753a9a4c3a393d9eccc31e5c6aded66

SHA1
5501ae71598925711dbee54f6ee1c827dd01d845

SHA256
52773fccbe6883ca7465ffe857c3fe7193521f0807bd8462f95bd4ad73be9867

SHA512
ee03d79cd24db07c3466cc602a657c9eb33119267b591a64a0d9215e3a80a24e3c435275ccfb5ffd7356def5bf717c5f2d8bc9a5b2daf1950ecf951b5e614c2e

Download Submit
C:\Users\Admin\AppData\Local\Temp\.cmd

Filesize
28B

MD5
217407484aac2673214337def8886072

SHA1
0f8c4c94064ce1f7538c43987feb5bb2d7fec0c6

SHA256
467c28ed423f513128575b1c8c6674ee5671096ff1b14bc4c32deebd89fc1797

SHA512
8466383a1cb71ea8b049548fd5a41aaf01c0423743b886cd3cb5007f66bff87d8d5cfa67344451f4490c8f26e4ebf9e306075d5cfc655dc62f0813a456cf1330

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp29DF.tmp.cmd

Filesize
131B

MD5
a5bb6cc0c4871b0aa8710d0655daf023

SHA1
0b3b07a79d9b1985aff59a25548458918836e4cb

SHA256
0133a6b27ae6ea363ac3e9ff252038e9a3599dd2084f21e73d2801d8418598de

SHA512
beea98fe26882effba73a88f3f384688b7d1865c3cae12ce5bc381d0bfdb1e4dd446ff04cc784364ebb92fd6f7088b189c02f70b4c0f929d50d63a22bab3784d

Download Submit
C:\systems32_bit\systems32.exe

Filesize
39KB

MD5
e753a9a4c3a393d9eccc31e5c6aded66

SHA1
5501ae71598925711dbee54f6ee1c827dd01d845

SHA256
52773fccbe6883ca7465ffe857c3fe7193521f0807bd8462f95bd4ad73be9867

SHA512
ee03d79cd24db07c3466cc602a657c9eb33119267b591a64a0d9215e3a80a24e3c435275ccfb5ffd7356def5bf717c5f2d8bc9a5b2daf1950ecf951b5e614c2e

Download Submit
C:\systems32_bit\systems32.exe

Filesize
39KB

MD5
e753a9a4c3a393d9eccc31e5c6aded66

SHA1
5501ae71598925711dbee54f6ee1c827dd01d845

SHA256
52773fccbe6883ca7465ffe857c3fe7193521f0807bd8462f95bd4ad73be9867

SHA512
ee03d79cd24db07c3466cc602a657c9eb33119267b591a64a0d9215e3a80a24e3c435275ccfb5ffd7356def5bf717c5f2d8bc9a5b2daf1950ecf951b5e614c2e

Download Submit
memory/516-63-0x0000000000000000-mapping.dmp

Download
memory/696-72-0x000000001BA20000-0x000000001BA22000-memory.dmp

Filesize
8KB

Download
memory/696-61-0x0000000000000000-mapping.dmp

Download
memory/696-65-0x0000000000A80000-0x0000000000A90000-memory.dmp

Filesize
64KB

Download
memory/776-67-0x0000000000000000-mapping.dmp

Download
memory/1412-71-0x0000000000000000-mapping.dmp

Download
memory/1468-60-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1468-54-0x0000000000FF0000-0x0000000001146000-memory.dmp

Filesize
1.3MB

Download
memory/1468-59-0x000000001C2E0000-0x000000001C3CA000-memory.dmp

Filesize
936KB

Download
memory/1468-58-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1468-57-0x00000000004F0000-0x00000000004F2000-memory.dmp

Filesize
8KB

Download
memory/1468-56-0x000000001AEC0000-0x000000001AFBC000-memory.dmp

Filesize
1008KB

Download
memory/1468-55-0x0000000000700000-0x00000000007A4000-memory.dmp

Filesize
656KB

Download
memory/1528-70-0x0000000000000000-mapping.dmp

Download
memory/1972-68-0x0000000000000000-mapping.dmp

Download
memory/32336-73-0x0000000000000000-mapping.dmp

Download
memory/32336-76-0x0000000000AA0000-0x0000000000AB0000-memory.dmp

Filesize
64KB

Download
memory/32336-78-0x000000001BBC0000-0x000000001BBC2000-memory.dmp

Filesize
8KB

Download
memory/39252-77-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads