2a8dec3766bb42e48de7712512e909b7da766fe5728c622f1e2e9530f9ba7034

Analysis

max time kernel
159s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
30/10/2022, 23:29

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General

Target

2a8dec3766bb42e48de7712512e909b7da766fe5728c622f1e2e9530f9ba7034.exe
Size

340KB
MD5

a16b1f5ae255409158a60935dc90c810
SHA1

efac89a158a56cedabccf260b110aeb72c360b4e
SHA256

2a8dec3766bb42e48de7712512e909b7da766fe5728c622f1e2e9530f9ba7034
SHA512

5db2d89d67cb10acd92c35e0858c705944f4023ab6a085684ec8325db1423052aaba3f3627f46b09af807e053faf4354d67c71494b4fd3e627c386cc644daa61
SSDEEP

6144:2wwsXDz6A5+OEXE1Vxo8ISv+CgLNWLEXE1Vxo8ISvG:GeDz6y+kjxo8ISXgJW7jxo8ISO

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
1604	MSWDM.EXE
1628	MSWDM.EXE
4812	2A8DEC3766BB42E48DE7712512E909B7DA766FE5728C622F1E2E9530F9BA7034.EXE
4888	MSWDM.EXE

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE"	MSWDM.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	MSWDM.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE"	2a8dec3766bb42e48de7712512e909b7da766fe5728c622f1e2e9530f9ba7034.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices	2a8dec3766bb42e48de7712512e909b7da766fe5728c622f1e2e9530f9ba7034.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	2a8dec3766bb42e48de7712512e909b7da766fe5728c622f1e2e9530f9ba7034.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\javacpl.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\ktab.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jar.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jsadebugd.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\jabswitch.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\klist.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\serialver.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\javacpl.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\jjs.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\java-rmi.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jmap.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jcmd.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\pack200.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jmc.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\jp2launcher.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\jabswitch.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\rmiregistry.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\mip.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\idlj.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javaw.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\rmic.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\servertool.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\orbd.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\unpack200.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javaws.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jdb.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\jp2launcher.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\kinit.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\appletviewer.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jinfo.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jvisualvm.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jabswitch.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javafxpackager.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\ssvagent.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\rmid.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\javaws.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\java.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\java.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\kinit.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\policytool.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javadoc.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\ktab.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javah.exe	MSWDM.EXE
File opened for modification	C:\Program Files\7-Zip\7zG.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Internet Explorer\iexplore.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\tnameserv.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\java-rmi.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\lib\nbexec64.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\elevation_service.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\notification_helper.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\java.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\javaws.exe	MSWDM.EXE
File opened for modification	C:\Program Files\7-Zip\7z.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ShapeCollector.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jconsole.exe	MSWDM.EXE
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\kinit.exe	MSWDM.EXE

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\WINDOWS\MSWDM.EXE	2a8dec3766bb42e48de7712512e909b7da766fe5728c622f1e2e9530f9ba7034.exe
File opened for modification	C:\Windows\dev167.tmp	2a8dec3766bb42e48de7712512e909b7da766fe5728c622f1e2e9530f9ba7034.exe
File opened for modification	C:\Windows\die1A6.tmp	MSWDM.EXE
File opened for modification	C:\Windows\dev167.tmp	MSWDM.EXE
File created	C:\Windows\die1A6.tmp	MSWDM.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1628	MSWDM.EXE
1628	MSWDM.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 1604	2344	2a8dec3766bb42e48de7712512e909b7da766fe5728c622f1e2e9530f9ba7034.exe	80
PID 2344 wrote to memory of 1604	2344	2a8dec3766bb42e48de7712512e909b7da766fe5728c622f1e2e9530f9ba7034.exe	80
PID 2344 wrote to memory of 1604	2344	2a8dec3766bb42e48de7712512e909b7da766fe5728c622f1e2e9530f9ba7034.exe	80
PID 2344 wrote to memory of 1628	2344	2a8dec3766bb42e48de7712512e909b7da766fe5728c622f1e2e9530f9ba7034.exe	81
PID 2344 wrote to memory of 1628	2344	2a8dec3766bb42e48de7712512e909b7da766fe5728c622f1e2e9530f9ba7034.exe	81
PID 2344 wrote to memory of 1628	2344	2a8dec3766bb42e48de7712512e909b7da766fe5728c622f1e2e9530f9ba7034.exe	81
PID 1628 wrote to memory of 4812	1628	MSWDM.EXE	82
PID 1628 wrote to memory of 4812	1628	MSWDM.EXE	82
PID 1628 wrote to memory of 4812	1628	MSWDM.EXE	82
PID 1628 wrote to memory of 4888	1628	MSWDM.EXE	83
PID 1628 wrote to memory of 4888	1628	MSWDM.EXE	83
PID 1628 wrote to memory of 4888	1628	MSWDM.EXE	83

C:\Users\Admin\AppData\Local\Temp\2a8dec3766bb42e48de7712512e909b7da766fe5728c622f1e2e9530f9ba7034.exe
"C:\Users\Admin\AppData\Local\Temp\2a8dec3766bb42e48de7712512e909b7da766fe5728c622f1e2e9530f9ba7034.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2344
- C:\WINDOWS\MSWDM.EXE
  "C:\WINDOWS\MSWDM.EXE"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Program Files directory
  - Drops file in Windows directory
  PID:1604
- C:\WINDOWS\MSWDM.EXE
  -r!C:\Windows\dev167.tmp!C:\Users\Admin\AppData\Local\Temp\2a8dec3766bb42e48de7712512e909b7da766fe5728c622f1e2e9530f9ba7034.exe! !
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1628
- - C:\Users\Admin\AppData\Local\Temp\2A8DEC3766BB42E48DE7712512E909B7DA766FE5728C622F1E2E9530F9BA7034.EXE
    3⤵
    - Executes dropped EXE
    PID:4812
- - C:\WINDOWS\MSWDM.EXE
    -e!C:\Windows\dev167.tmp!C:\Users\Admin\AppData\Local\Temp\2A8DEC3766BB42E48DE7712512E909B7DA766FE5728C622F1E2E9530F9BA7034.EXE!
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    PID:4888

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\2A8DEC3766BB42E48DE7712512E909B7DA766FE5728C622F1E2E9530F9BA7034.EXE

Filesize
340KB

MD5
10a8263cf27070992f5f040b66b6172b

SHA1
4e4d4c5168586eded4258cb352b60a00db8979a5

SHA256
3069fc6c39fb4a68361a309dcada1ca110d4f7be6f3785d29e4cf865cb39414d

SHA512
9ad782e959dacf20f8dc7d20daf99e98e506d3600388ae95f4bc064a994956019c74aa7d41b325b21180f0638db9e67acc66512aa651c8047cdb8d544b4ab7d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\2A8DEC3766BB42E48DE7712512E909B7DA766FE5728C622F1E2E9530F9BA7034.EXE

Filesize
340KB

MD5
10a8263cf27070992f5f040b66b6172b

SHA1
4e4d4c5168586eded4258cb352b60a00db8979a5

SHA256
3069fc6c39fb4a68361a309dcada1ca110d4f7be6f3785d29e4cf865cb39414d

SHA512
9ad782e959dacf20f8dc7d20daf99e98e506d3600388ae95f4bc064a994956019c74aa7d41b325b21180f0638db9e67acc66512aa651c8047cdb8d544b4ab7d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\2a8dec3766bb42e48de7712512e909b7da766fe5728c622f1e2e9530f9ba7034.exe

Filesize
300KB

MD5
a6d64056ad6ca84534143757fd782d7a

SHA1
19e365305ceabad649ed67278587d2f80b94c78e

SHA256
3bc9afaf7574b6d5abbbd11b571aae45abd24fc1d5691d4927444ec79dd0294b

SHA512
6801ea8a1cf5f2112739bb9c5bb576b8cce4e952dcc5f2165568b80d6b80b9459f6dbda84f0db5061ca108b42c0d30d4a71ded228e1b04d4182f9f8e931afab4

Download Submit
C:\WINDOWS\MSWDM.EXE

Filesize
40KB

MD5
e7fb0c65b222add4dfc4b7d6e3446dc9

SHA1
beabd27b07033be8cc70b7f8e824ff07bf0971e6

SHA256
aa5d36f32aaf7b642af97497641b349d0e1b52cd37096a40f8a9f142843357f2

SHA512
3b434c1802c6defbeee0112f067d5368fee5ba20f2c83708a6ed20355c8e4b8b8c6ffad3a5ad69c0c4011bb1a48bd3dfb980396360d9ccf12c310a477519dd12

Download Submit
C:\Windows\MSWDM.EXE

Filesize
40KB

MD5
e7fb0c65b222add4dfc4b7d6e3446dc9

SHA1
beabd27b07033be8cc70b7f8e824ff07bf0971e6

SHA256
aa5d36f32aaf7b642af97497641b349d0e1b52cd37096a40f8a9f142843357f2

SHA512
3b434c1802c6defbeee0112f067d5368fee5ba20f2c83708a6ed20355c8e4b8b8c6ffad3a5ad69c0c4011bb1a48bd3dfb980396360d9ccf12c310a477519dd12

Download Submit
C:\Windows\MSWDM.EXE

Filesize
40KB

MD5
e7fb0c65b222add4dfc4b7d6e3446dc9

SHA1
beabd27b07033be8cc70b7f8e824ff07bf0971e6

SHA256
aa5d36f32aaf7b642af97497641b349d0e1b52cd37096a40f8a9f142843357f2

SHA512
3b434c1802c6defbeee0112f067d5368fee5ba20f2c83708a6ed20355c8e4b8b8c6ffad3a5ad69c0c4011bb1a48bd3dfb980396360d9ccf12c310a477519dd12

Download Submit
C:\Windows\MSWDM.EXE

Filesize
40KB

MD5
e7fb0c65b222add4dfc4b7d6e3446dc9

SHA1
beabd27b07033be8cc70b7f8e824ff07bf0971e6

SHA256
aa5d36f32aaf7b642af97497641b349d0e1b52cd37096a40f8a9f142843357f2

SHA512
3b434c1802c6defbeee0112f067d5368fee5ba20f2c83708a6ed20355c8e4b8b8c6ffad3a5ad69c0c4011bb1a48bd3dfb980396360d9ccf12c310a477519dd12

Download Submit
C:\Windows\dev167.tmp

Filesize
300KB

MD5
a6d64056ad6ca84534143757fd782d7a

SHA1
19e365305ceabad649ed67278587d2f80b94c78e

SHA256
3bc9afaf7574b6d5abbbd11b571aae45abd24fc1d5691d4927444ec79dd0294b

SHA512
6801ea8a1cf5f2112739bb9c5bb576b8cce4e952dcc5f2165568b80d6b80b9459f6dbda84f0db5061ca108b42c0d30d4a71ded228e1b04d4182f9f8e931afab4

Download Submit
memory/1604-149-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1604-139-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1628-140-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1628-148-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2344-137-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4888-146-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download