c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
04/10/2022, 01:19

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General

Target

c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe
Size

127KB
MD5

3b5854809fa6c65c3660116d1e054df0
SHA1

777e5e6d47f553a128584098cf9ec9109ce6c5b1
SHA256

c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf
SHA512

c72439d25654709f4291b74ea7da4b65739424536f5fa62ecc87cdc836afc6e5f0705740764f0318907652bc31e7c75ea63e49e442ce70557101e3d9df415885
SSDEEP

3072:XmBes5HVuSQ7lr1ia2FHS6p4SwnzSJ0H9K/GyKoKLB/:XeeszuSFTH/4nm0dgGyKo0

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1728	mspaint.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	mspaint.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Yhfwfu = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Yhfwfu.exe"	mspaint.exe

Enumerates connected drives 3 TTPs 24 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)	\??\U:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\D:	mspaint.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\F:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1288 set thread context of 1352	1288	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	28

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	mspaint.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "371644763"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{676C70E1-43D0-11ED-A45B-DAC72961D548} = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1352	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe
1352	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1352	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe
Token: SeDebugPrivilege	1560	svchost.exe
Token: SeDebugPrivilege	1352	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe
Token: SeDebugPrivilege	1728	mspaint.exe
Token: SeDebugPrivilege	1048	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1480	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1728	mspaint.exe
1728	mspaint.exe
1728	mspaint.exe
1728	mspaint.exe
1480	IEXPLORE.EXE
1480	IEXPLORE.EXE
1048	IEXPLORE.EXE
1048	IEXPLORE.EXE
1048	IEXPLORE.EXE
1048	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 1560	1288	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	27
PID 1288 wrote to memory of 1560	1288	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	27
PID 1288 wrote to memory of 1560	1288	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	27
PID 1288 wrote to memory of 1560	1288	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	27
PID 1288 wrote to memory of 1560	1288	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	27
PID 1288 wrote to memory of 1560	1288	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	27
PID 1288 wrote to memory of 1560	1288	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	27
PID 1288 wrote to memory of 1352	1288	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	28
PID 1288 wrote to memory of 1352	1288	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	28
PID 1288 wrote to memory of 1352	1288	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	28
PID 1288 wrote to memory of 1352	1288	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	28
PID 1288 wrote to memory of 1352	1288	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	28
PID 1288 wrote to memory of 1352	1288	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	28
PID 1288 wrote to memory of 1352	1288	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	28
PID 1288 wrote to memory of 1352	1288	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	28
PID 1560 wrote to memory of 1728	1560	svchost.exe	29
PID 1560 wrote to memory of 1728	1560	svchost.exe	29
PID 1560 wrote to memory of 1728	1560	svchost.exe	29
PID 1560 wrote to memory of 1728	1560	svchost.exe	29
PID 1288 wrote to memory of 1352	1288	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	28
PID 1288 wrote to memory of 1352	1288	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	28
PID 1352 wrote to memory of 1476	1352	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	31
PID 1352 wrote to memory of 1476	1352	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	31
PID 1352 wrote to memory of 1476	1352	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	31
PID 1352 wrote to memory of 1476	1352	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	31
PID 1476 wrote to memory of 1480	1476	iexplore.exe	32
PID 1476 wrote to memory of 1480	1476	iexplore.exe	32
PID 1476 wrote to memory of 1480	1476	iexplore.exe	32
PID 1476 wrote to memory of 1480	1476	iexplore.exe	32
PID 1480 wrote to memory of 1048	1480	IEXPLORE.EXE	34
PID 1480 wrote to memory of 1048	1480	IEXPLORE.EXE	34
PID 1480 wrote to memory of 1048	1480	IEXPLORE.EXE	34
PID 1480 wrote to memory of 1048	1480	IEXPLORE.EXE	34
PID 1352 wrote to memory of 1560	1352	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	27
PID 1352 wrote to memory of 1560	1352	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	27
PID 1352 wrote to memory of 1728	1352	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	29
PID 1352 wrote to memory of 1728	1352	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	29
PID 1352 wrote to memory of 1048	1352	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	34
PID 1352 wrote to memory of 1048	1352	c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe	34

C:\Users\Admin\AppData\Local\Temp\c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe
"C:\Users\Admin\AppData\Local\Temp\c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1288
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\system32\svchost.exe"
  2⤵
  - Enumerates connected drives
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1560
- - C:\Windows\SysWOW64\mspaint.exe
    "C:\Windows\system32\mspaint.exe"
    3⤵
    - Deletes itself
    - Adds Run key to start application
    - Enumerates connected drives
    - Drops file in Windows directory
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1728
- C:\Users\Admin\AppData\Local\Temp\c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe
  "C:\Users\Admin\AppData\Local\Temp\c9fb30c59e33216f6474894ac190bbe8f431d338c4d11b649e0466f2295afcdf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1352
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1476
  - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1480
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1480 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:1048

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\VMO6JNRL.txt

Filesize
608B

MD5
0e6e1a01d5e6249306ee7854347d7e5d

SHA1
caf0085498dab3a1e475bd1c2a22398650c0021c

SHA256
a50499dad446264712914c760edce670a9d15b62c17e6b641092776200ff0887

SHA512
f49b31ab52e14f3897faeb7f31a892106eaccd335ac982a32ae524be06f0fe07064cc9d7c0b832acbb58173988efb154a9e8678325d79f5827dc134e856c1c62

Download Submit
memory/1288-74-0x0000000000400000-0x000000000059C000-memory.dmp

Filesize
1.6MB

Download
memory/1288-55-0x0000000000400000-0x000000000059C000-memory.dmp

Filesize
1.6MB

Download
memory/1288-54-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/1288-75-0x0000000000220000-0x0000000000234000-memory.dmp

Filesize
80KB

Download
memory/1352-96-0x00000000003B0000-0x00000000003FE000-memory.dmp

Filesize
312KB

Download
memory/1352-91-0x00000000003B0000-0x00000000003FE000-memory.dmp

Filesize
312KB

Download
memory/1352-66-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1352-68-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1352-105-0x00000000003B0000-0x00000000003FE000-memory.dmp

Filesize
312KB

Download
memory/1352-71-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1352-61-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1352-60-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1352-77-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1352-64-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1352-80-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1352-232-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1352-109-0x00000000003B0000-0x00000000003FE000-memory.dmp

Filesize
312KB

Download
memory/1352-112-0x00000000003B0000-0x00000000003FE000-memory.dmp

Filesize
312KB

Download
memory/1352-101-0x00000000003B0000-0x00000000003FE000-memory.dmp

Filesize
312KB

Download
memory/1352-116-0x00000000003B0000-0x00000000003FE000-memory.dmp

Filesize
312KB

Download
memory/1352-119-0x00000000003B0000-0x00000000003FE000-memory.dmp

Filesize
312KB

Download
memory/1352-123-0x00000000003B0000-0x00000000003FE000-memory.dmp

Filesize
312KB

Download
memory/1352-235-0x00000000003B0000-0x00000000003FE000-memory.dmp

Filesize
312KB

Download
memory/1560-120-0x00000000002B0000-0x00000000002FE000-memory.dmp

Filesize
312KB

Download
memory/1560-110-0x00000000002B0000-0x00000000002FE000-memory.dmp

Filesize
312KB

Download
memory/1560-124-0x00000000002B0000-0x00000000002FE000-memory.dmp

Filesize
312KB

Download
memory/1560-93-0x00000000002B0000-0x00000000002FE000-memory.dmp

Filesize
312KB

Download
memory/1560-300-0x00000000002B0000-0x00000000002FE000-memory.dmp

Filesize
312KB

Download
memory/1560-88-0x00000000002B0000-0x00000000002FE000-memory.dmp

Filesize
312KB

Download
memory/1560-85-0x00000000002B0000-0x00000000002FE000-memory.dmp

Filesize
312KB

Download
memory/1560-81-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/1560-57-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/1560-100-0x00000000002B0000-0x00000000002FE000-memory.dmp

Filesize
312KB

Download
memory/1728-79-0x0000000000AA1000-0x0000000000AA3000-memory.dmp

Filesize
8KB

Download
memory/1728-104-0x0000000004280000-0x00000000042CE000-memory.dmp

Filesize
312KB

Download
memory/1728-108-0x0000000004280000-0x00000000042CE000-memory.dmp

Filesize
312KB

Download
memory/1728-125-0x0000000004280000-0x00000000042CE000-memory.dmp

Filesize
312KB

Download
memory/1728-291-0x00000000042B8000-0x00000000042BA000-memory.dmp

Filesize
8KB

Download
memory/1728-97-0x0000000004280000-0x00000000042CE000-memory.dmp

Filesize
312KB

Download
memory/1728-301-0x0000000004280000-0x00000000042CE000-memory.dmp

Filesize
312KB

Download
memory/1728-302-0x00000000042B8000-0x00000000042BA000-memory.dmp

Filesize
8KB

Download