ebce15ad53b98d7aba7f7544ee947e88f58d696e22ca4bc5d15b2ded37b577ac

Analysis

max time kernel
145s
max time network
151s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
20/03/2023, 11:30

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General

Target
7de990046a20e6666627273589b014a5.exe
Size 292KB
Sample230320-nl6phsdc36
SHA256 ebce15ad53b98d7aba7f7544ee947e88f58d696e22ca4bc5d15b2ded37b577ac
MD5 7de990046a20e6666627273589b014a5
SHA1 55ebccd35c2329c5816cd0240b0919651ac58321
SHA512 850914621b366494bba2a64aef1b3df7c619c7e6bb321a67bc1a1a97bd0182118a1e5648ee48d24449e6341ab7f7989369797114fa521db8c26ccd5eb3386a42
SSDEEP 6144:PYa6J+5gUNIG+sCfq3V++iY3aub8kFiLGG9qFP2ipkHj3DR7gy7y:PYDghNESPX3ZZq9q1b6DRc
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Control Panel\International\Geo\Nation	mcwfy.exe

Executes dropped EXE 2 IoCs

pid	Process
1984	mcwfy.exe
1240	mcwfy.exe

Loads dropped DLL 4 IoCs

pid	Process
2008	7de990046a20e6666627273589b014a5.exe
2008	7de990046a20e6666627273589b014a5.exe
1984	mcwfy.exe
520	mstsc.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1984 set thread context of 1240	1984	mcwfy.exe	30
PID 1240 set thread context of 1264	1240	mcwfy.exe	17
PID 520 set thread context of 1264	520	mstsc.exe	17

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1283023626-844874658-3193756055-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	mstsc.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
1240	mcwfy.exe
1240	mcwfy.exe
1240	mcwfy.exe
1240	mcwfy.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1264	Explorer.EXE

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
1984	mcwfy.exe
1240	mcwfy.exe
1240	mcwfy.exe
1240	mcwfy.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe
520	mstsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1240	mcwfy.exe
Token: SeDebugPrivilege	520	mstsc.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1264	Explorer.EXE
1264	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1264	Explorer.EXE
1264	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 1984	2008	7de990046a20e6666627273589b014a5.exe	28
PID 2008 wrote to memory of 1984	2008	7de990046a20e6666627273589b014a5.exe	28
PID 2008 wrote to memory of 1984	2008	7de990046a20e6666627273589b014a5.exe	28
PID 2008 wrote to memory of 1984	2008	7de990046a20e6666627273589b014a5.exe	28
PID 1984 wrote to memory of 1240	1984	mcwfy.exe	30
PID 1984 wrote to memory of 1240	1984	mcwfy.exe	30
PID 1984 wrote to memory of 1240	1984	mcwfy.exe	30
PID 1984 wrote to memory of 1240	1984	mcwfy.exe	30
PID 1984 wrote to memory of 1240	1984	mcwfy.exe	30
PID 1264 wrote to memory of 520	1264	Explorer.EXE	31
PID 1264 wrote to memory of 520	1264	Explorer.EXE	31
PID 1264 wrote to memory of 520	1264	Explorer.EXE	31
PID 1264 wrote to memory of 520	1264	Explorer.EXE	31
PID 520 wrote to memory of 1812	520	mstsc.exe	34
PID 520 wrote to memory of 1812	520	mstsc.exe	34
PID 520 wrote to memory of 1812	520	mstsc.exe	34
PID 520 wrote to memory of 1812	520	mstsc.exe	34
PID 520 wrote to memory of 1812	520	mstsc.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Users\Admin\AppData\Local\Temp\7de990046a20e6666627273589b014a5.exe
  "C:\Users\Admin\AppData\Local\Temp\7de990046a20e6666627273589b014a5.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2008
- - C:\Users\Admin\AppData\Local\Temp\mcwfy.exe
    "C:\Users\Admin\AppData\Local\Temp\mcwfy.exe" C:\Users\Admin\AppData\Local\Temp\ytljtt.f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:1984
  - - C:\Users\Admin\AppData\Local\Temp\mcwfy.exe
      "C:\Users\Admin\AppData\Local\Temp\mcwfy.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:1240
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:520
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1812

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

lpdhcp.zip

Path C:\Users\Admin\AppData\Local\Temp\lpdhcp.zip
Size 489KB
SHA256 11ba415b7e3b91c4587dc73bec82caf92f62724d0e49782151e7764acca43cb5
MD5 910ae9fbda13a82f9410303b653fe0c6
SHA1 3de02829408f5320b01e4209c79cf4a9d45cde86
SHA512 a7564409603dec6184920aed608024db319e8548b872a022eecd91501c12da2fde5fab5b6ce6772f1ba5724cce9151ce79214bed5cb3b13d39e5e9ea254e51b0
SSDEEP 12288:/N/BEA2LE0gZVB7+OQ2siVFiDfjkoCQ0Q:/QA2LE0gZVEOQUVFgjkoCC
MD5 SHA1 SHA512 SSDEEP

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mcwfy.exe

Path C:\Users\Admin\AppData\Local\Temp\mcwfy.exe
Size 93KB
SHA256 c5e0f86a68dcbd03b9a506768f86c385c360d3cf67b9cc0b5760f7b3f1d91f48
MD5 6cb712e482d150a185f713d75314a75a
SHA1 0ee7d4ab0d46c6a668aa500470aafb632f1acd99
SHA512 042c3b3a24c35686fa11fbf052a8f278c12535b5f90ecde5319aa86b8f3616a9a00fbe5e86bd644e2101201b994648bce2b1f6d6e1f4eda6c8140f93421cd6e1
SSDEEP 1536:opZrDPCXLdr7zQN/GZGLaYeZjtBaKaedCRVLR8dpxekydJrD9iiU71aC4sWBlVmc:oHTCB7Y/GZGPeZxaGCRVLR9kydI7sCU5
MD5 SHA1 SHA512 SSDEEP

Submit Download

mcwfy.exe

Path C:\Users\Admin\AppData\Local\Temp\mcwfy.exe
Size 93KB
SHA256 c5e0f86a68dcbd03b9a506768f86c385c360d3cf67b9cc0b5760f7b3f1d91f48
MD5 6cb712e482d150a185f713d75314a75a
SHA1 0ee7d4ab0d46c6a668aa500470aafb632f1acd99
SHA512 042c3b3a24c35686fa11fbf052a8f278c12535b5f90ecde5319aa86b8f3616a9a00fbe5e86bd644e2101201b994648bce2b1f6d6e1f4eda6c8140f93421cd6e1
SSDEEP 1536:opZrDPCXLdr7zQN/GZGLaYeZjtBaKaedCRVLR8dpxekydJrD9iiU71aC4sWBlVmc:oHTCB7Y/GZGPeZxaGCRVLR9kydI7sCU5
MD5 SHA1 SHA512 SSDEEP

Submit Download

mcwfy.exe

Path C:\Users\Admin\AppData\Local\Temp\mcwfy.exe
Size 93KB
SHA256 c5e0f86a68dcbd03b9a506768f86c385c360d3cf67b9cc0b5760f7b3f1d91f48
MD5 6cb712e482d150a185f713d75314a75a
SHA1 0ee7d4ab0d46c6a668aa500470aafb632f1acd99
SHA512 042c3b3a24c35686fa11fbf052a8f278c12535b5f90ecde5319aa86b8f3616a9a00fbe5e86bd644e2101201b994648bce2b1f6d6e1f4eda6c8140f93421cd6e1
SSDEEP 1536:opZrDPCXLdr7zQN/GZGLaYeZjtBaKaedCRVLR8dpxekydJrD9iiU71aC4sWBlVmc:oHTCB7Y/GZGPeZxaGCRVLR9kydI7sCU5
MD5 SHA1 SHA512 SSDEEP

Submit Download

mcwfy.exe

Path C:\Users\Admin\AppData\Local\Temp\mcwfy.exe
Size 93KB
SHA256 c5e0f86a68dcbd03b9a506768f86c385c360d3cf67b9cc0b5760f7b3f1d91f48
MD5 6cb712e482d150a185f713d75314a75a
SHA1 0ee7d4ab0d46c6a668aa500470aafb632f1acd99
SHA512 042c3b3a24c35686fa11fbf052a8f278c12535b5f90ecde5319aa86b8f3616a9a00fbe5e86bd644e2101201b994648bce2b1f6d6e1f4eda6c8140f93421cd6e1
SSDEEP 1536:opZrDPCXLdr7zQN/GZGLaYeZjtBaKaedCRVLR8dpxekydJrD9iiU71aC4sWBlVmc:oHTCB7Y/GZGPeZxaGCRVLR9kydI7sCU5
MD5 SHA1 SHA512 SSDEEP

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ortnkgsjk.g

Path C:\Users\Admin\AppData\Local\Temp\ortnkgsjk.g
Size 206KB
SHA256 d61bea82fcba68cfbc5e6bbe882d5e373eaa26c0dd4ad9c5626ee13a780ab546
MD5 0a629526f8aec96658786151e6c3ea06
SHA1 80b71b17469506f4023f5e3c35715a6a130ac4c5
SHA512 848e3a46f2eaef9656adf2dafe618c20bddb19d98836f43065f219a58d14bebb554a63b7844560ccf0ef2124f6d51ad2a6d71da8aa0408ef639d6bb4fff0a2f4
SSDEEP 6144:7Vez7cuIYLUvLfkWAdTEkQUOM1sXFQveBUQZKQlu:7KcsCftAdTEarq3BUQZKQI
MD5 SHA1 SHA512 SSDEEP

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ytljtt.f

Path C:\Users\Admin\AppData\Local\Temp\ytljtt.f
Size 5KB
SHA256 521e94034e7166d401c6831bfee91a92848bf821eae75adbd857f503c3d42bc2
MD5 452a3ee71e9ba72bb78302a46c6d5b12
SHA1 f86411f3f43c4351ef651b38a1402c63b90db7ac
SHA512 0bb5a96f91e37ab5b89a02c2b25d449c27d1a1e25eb42d461d4b52ae2fb067fdf288ef7f7a4c43955bd7a3a1b32cc514f1c4dd27dbfbb6fe6c7916763056dfd3
SSDEEP 96:Farc6oY3g/DrYujk2XO5oSwYgCP7Yc3NdN6d35O4pTU15Fn9O2PGiMCmbvrfjXC:FarcRXrhX1S9PPN6d3ZpTU15EJLrLXC
MD5 SHA1 SHA512 SSDEEP

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mcwfy.exe

Path \Users\Admin\AppData\Local\Temp\mcwfy.exe
Size 93KB
SHA256 c5e0f86a68dcbd03b9a506768f86c385c360d3cf67b9cc0b5760f7b3f1d91f48
MD5 6cb712e482d150a185f713d75314a75a
SHA1 0ee7d4ab0d46c6a668aa500470aafb632f1acd99
SHA512 042c3b3a24c35686fa11fbf052a8f278c12535b5f90ecde5319aa86b8f3616a9a00fbe5e86bd644e2101201b994648bce2b1f6d6e1f4eda6c8140f93421cd6e1
SSDEEP 1536:opZrDPCXLdr7zQN/GZGLaYeZjtBaKaedCRVLR8dpxekydJrD9iiU71aC4sWBlVmc:oHTCB7Y/GZGPeZxaGCRVLR9kydI7sCU5
MD5 SHA1 SHA512 SSDEEP

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mcwfy.exe

Path \Users\Admin\AppData\Local\Temp\mcwfy.exe
Size 93KB
SHA256 c5e0f86a68dcbd03b9a506768f86c385c360d3cf67b9cc0b5760f7b3f1d91f48
MD5 6cb712e482d150a185f713d75314a75a
SHA1 0ee7d4ab0d46c6a668aa500470aafb632f1acd99
SHA512 042c3b3a24c35686fa11fbf052a8f278c12535b5f90ecde5319aa86b8f3616a9a00fbe5e86bd644e2101201b994648bce2b1f6d6e1f4eda6c8140f93421cd6e1
SSDEEP 1536:opZrDPCXLdr7zQN/GZGLaYeZjtBaKaedCRVLR8dpxekydJrD9iiU71aC4sWBlVmc:oHTCB7Y/GZGPeZxaGCRVLR9kydI7sCU5
MD5 SHA1 SHA512 SSDEEP

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mcwfy.exe

Path \Users\Admin\AppData\Local\Temp\mcwfy.exe
Size 93KB
SHA256 c5e0f86a68dcbd03b9a506768f86c385c360d3cf67b9cc0b5760f7b3f1d91f48
MD5 6cb712e482d150a185f713d75314a75a
SHA1 0ee7d4ab0d46c6a668aa500470aafb632f1acd99
SHA512 042c3b3a24c35686fa11fbf052a8f278c12535b5f90ecde5319aa86b8f3616a9a00fbe5e86bd644e2101201b994648bce2b1f6d6e1f4eda6c8140f93421cd6e1
SSDEEP 1536:opZrDPCXLdr7zQN/GZGLaYeZjtBaKaedCRVLR8dpxekydJrD9iiU71aC4sWBlVmc:oHTCB7Y/GZGPeZxaGCRVLR9kydI7sCU5
MD5 SHA1 SHA512 SSDEEP

Submit Download

sqlite3.dll

Path \Users\Admin\AppData\Local\Temp\sqlite3.dll
Size 932KB
SHA256 58a478f0560ea22c1bc194263f07cf6f3ecfe47d0c8b534a7bba185f28a1141f
MD5 661fd92d4eaeea3740649af5a484d7c8
SHA1 c93f868890fee1475f8ec9e7607e26f5dce67d54
SHA512 1fac03c20139fde41d121e0adbd02d127261ce061509996087fc1c80baf2fe0d0f70fed6b83d38a85cfa2e07d038ff809161c7ecce31ec44ac8b89740d3db15d
SSDEEP 24576:zsiI1aHU4BvoskVp15pPoTpJ7e/VpR8FMg3Y:o4Bvosk95pPQC/VpRIo
MD5 SHA1 SHA512 SSDEEP

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memory/520-81-0x00000000020D0000-0x00000000023D3000-memory.dmp

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memory/520-84-0x0000000001F30000-0x0000000001FBF000-memory.dmp

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memory/520-130-0x0000000061E00000-0x0000000061ED3000-memory.dmp

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memory/520-125-0x0000000061E00000-0x0000000061ED3000-memory.dmp

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memory/520-77-0x0000000000350000-0x0000000000454000-memory.dmp

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memory/520-79-0x0000000000350000-0x0000000000454000-memory.dmp

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memory/520-80-0x0000000000080000-0x00000000000AD000-memory.dmp

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memory/1240-72-0x0000000000860000-0x0000000000B63000-memory.dmp

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memory/1240-73-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1240-71-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1240-68-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1240-74-0x0000000000290000-0x00000000002A0000-memory.dmp

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memory/1264-82-0x0000000006860000-0x0000000006965000-memory.dmp

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memory/1264-86-0x0000000006860000-0x0000000006965000-memory.dmp

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memory/1264-75-0x00000000065A0000-0x0000000006674000-memory.dmp

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