de0b44832189d0520b7912c321446d755190f1424d3e1ac7001472af74e89a72

Analysis

max time kernel
155s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 10:34

Sharing

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General

Target

160eb3cbfa0b597083d696bb60b7ed08.exe
Size

334KB
MD5

160eb3cbfa0b597083d696bb60b7ed08
SHA1

3235dcad88fb662df5c96550a4e2eec5939f1d56
SHA256

de0b44832189d0520b7912c321446d755190f1424d3e1ac7001472af74e89a72
SHA512

899b3b8fdd3955128d8fa03cb37d224ef97a87b53774bee695027fb56e1b813351d9e59051c7573c5e3c1097a43f9220feb8c8889acca36a70a4f5412490f5b6
SSDEEP

6144:KhNW6F2idZecnl20lHRxp3gIEdKTNAZAKA2HGTYkh+7IhxK:KhhF3Z4mxxpEdKT8AK3mvHPK

Score

8^/10

persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 3 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\dream = "C:\\Windows\\system32\\dream.exe"	160eb3cbfa0b597083d696bb60b7ed08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	160eb3cbfa0b597083d696bb60b7ed08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\melove = "C:\\Windows\\system32\\dream.exe"	160eb3cbfa0b597083d696bb60b7ed08.exe

Loads dropped DLL 1 IoCs

pid	Process
2144	svchost.exe

Enumerates connected drives 3 TTPs 21 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\o:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\w:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\z:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\k:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\g:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\m:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\s:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\t:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\y:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\e:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\l:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\n:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\p:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\q:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\u:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\j:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\i:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\r:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\v:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\x:	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened (read-only)	\??\h:	160eb3cbfa0b597083d696bb60b7ed08.exe

Drops autorun.inf file 1 TTPs 4 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File created	\??\c:\autorun.inf	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened for modification	\??\c:\autorun.inf	160eb3cbfa0b597083d696bb60b7ed08.exe
File created	\??\f:\autorun.inf	160eb3cbfa0b597083d696bb60b7ed08.exe
File opened for modification	\??\f:\autorun.inf	160eb3cbfa0b597083d696bb60b7ed08.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\plmmsbl.dll	160eb3cbfa0b597083d696bb60b7ed08.exe
File created	C:\Windows\SysWOW64\dream.exe	160eb3cbfa0b597083d696bb60b7ed08.exe
File created	C:\Windows\SysWOW64\1.inf	160eb3cbfa0b597083d696bb60b7ed08.exe
File created	C:\Windows\SysWOW64\plmmsbl.dll	160eb3cbfa0b597083d696bb60b7ed08.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1660 set thread context of 2144	1660	160eb3cbfa0b597083d696bb60b7ed08.exe	89

Runs net.exe

Suspicious behavior: EnumeratesProcesses 52 IoCs

pid	Process
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe
1660	160eb3cbfa0b597083d696bb60b7ed08.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1660	160eb3cbfa0b597083d696bb60b7ed08.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 1572	1660	160eb3cbfa0b597083d696bb60b7ed08.exe	88
PID 1660 wrote to memory of 1572	1660	160eb3cbfa0b597083d696bb60b7ed08.exe	88
PID 1660 wrote to memory of 1572	1660	160eb3cbfa0b597083d696bb60b7ed08.exe	88
PID 1660 wrote to memory of 2144	1660	160eb3cbfa0b597083d696bb60b7ed08.exe	89
PID 1660 wrote to memory of 2144	1660	160eb3cbfa0b597083d696bb60b7ed08.exe	89
PID 1660 wrote to memory of 2144	1660	160eb3cbfa0b597083d696bb60b7ed08.exe	89
PID 1660 wrote to memory of 2144	1660	160eb3cbfa0b597083d696bb60b7ed08.exe	89
PID 1572 wrote to memory of 4980	1572	cmd.exe	91
PID 1572 wrote to memory of 4980	1572	cmd.exe	91
PID 1572 wrote to memory of 4980	1572	cmd.exe	91
PID 4980 wrote to memory of 3364	4980	net.exe	95
PID 4980 wrote to memory of 3364	4980	net.exe	95
PID 4980 wrote to memory of 3364	4980	net.exe	95

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\explorer	160eb3cbfa0b597083d696bb60b7ed08.exe

C:\Users\Admin\AppData\Local\Temp\160eb3cbfa0b597083d696bb60b7ed08.exe
"C:\Users\Admin\AppData\Local\Temp\160eb3cbfa0b597083d696bb60b7ed08.exe"
1⤵
- Adds policy Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1660
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c net stop sharedaccess
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1572
- - C:\Windows\SysWOW64\net.exe
    net stop sharedaccess
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4980
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop sharedaccess
      4⤵
      PID:3364
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Loads dropped DLL
  PID:2144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

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

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\plmmsbl.dll

Filesize
1.6MB

MD5
e0e12856ca90be7f5ab8dfc0f0313078

SHA1
cc5accf48b8e6c2fd39d1f800229cdbb54305518

SHA256
81ec3e3c98e5f0af0dca21b9f08f2be445b46df2ca2354eaf3523bddcb125619

SHA512
162c56367dca2291117f2391951970273969518b0db2bbc5d51c458173a8028c88d9dfd93aef01ed05b369f953e2953cc6be252daeb17556dbc33e5383900fa6

Download Submit
C:\Windows\SysWOW64\plmmsbl.dll

Filesize
1.4MB

MD5
c8609b685c67eecba50a1d0681670604

SHA1
376bb8dadcf06db0b336f1464db248b2fa1306b8

SHA256
59ea600aa558a5c52a3ecbeb1608f5ab65358fe83d50d3706050274698c59cdd

SHA512
93c3767e36505bdcd20e4363f1d5a589712384beaed9a611149019fa6a7e15fcdb98df62a461503923b0ea5c4545b591315a0272b2898b1ffc0a530b1fbadb82

Download Submit
memory/1660-0-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1660-1-0x0000000002240000-0x0000000002294000-memory.dmp

Filesize
336KB

Download
memory/1660-2-0x0000000002470000-0x0000000002471000-memory.dmp

Filesize
4KB

Download
memory/1660-3-0x0000000002450000-0x0000000002451000-memory.dmp

Filesize
4KB

Download
memory/1660-4-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/1660-5-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/1660-7-0x0000000002490000-0x0000000002491000-memory.dmp

Filesize
4KB

Download
memory/1660-6-0x0000000002420000-0x0000000002421000-memory.dmp

Filesize
4KB

Download
memory/1660-8-0x0000000002480000-0x0000000002481000-memory.dmp

Filesize
4KB

Download
memory/1660-11-0x00000000024B0000-0x00000000024B1000-memory.dmp

Filesize
4KB

Download
memory/1660-12-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/1660-13-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-14-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-17-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-24-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-26-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-28-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-33-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-37-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-39-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-42-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-45-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-50-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-55-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-61-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-63-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-65-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-64-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-62-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-67-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-66-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-60-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-59-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-58-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-57-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-56-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-54-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-53-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-52-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-51-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-49-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-48-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-47-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-46-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-44-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-43-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-41-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-40-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-38-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-36-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-35-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-34-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-32-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-31-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-30-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-29-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-27-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-25-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-23-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-22-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-21-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-20-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-19-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-18-0x0000000003410000-0x0000000003510000-memory.dmp

Filesize
1024KB

Download
memory/1660-113-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1660-147-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1660-202-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1660-235-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1660-268-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1660-285-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1660-318-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1660-345-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1660-384-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1660-401-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1660-434-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1660-451-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1660-484-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1660-517-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download