c6bc6b5590f2550e02b2913ba96944106c461239d1bde59885a6e79e642d0409

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11/09/2022, 08:04

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General

Target

c6bc6b5590f2550e02b2913ba96944106c461239d1bde59885a6e79e642d0409.exe
Size

3.3MB
MD5

85789ea37003222989924f328ed9d48f
SHA1

2005ffb1712ddaf29dc49eba98cfc6433499adaa
SHA256

c6bc6b5590f2550e02b2913ba96944106c461239d1bde59885a6e79e642d0409
SHA512

3f45b294b006dd6a45ed968188bff0e92b40cc05cb816a401b72c1674a45a786fcfeaee2ead6a57a444bc8958777d0cfb9dd9781e7f08041b50d01996a605377
SSDEEP

98304:2GSI7duNrGTaQw6H6dblr6rrDHWfmkGAP:bx7kFIx4hED2fz

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
864	ppview32.exe

Loads dropped DLL 6 IoCs

pid	Process
1660	c6bc6b5590f2550e02b2913ba96944106c461239d1bde59885a6e79e642d0409.exe
1660	c6bc6b5590f2550e02b2913ba96944106c461239d1bde59885a6e79e642d0409.exe
864	ppview32.exe
864	ppview32.exe
864	ppview32.exe
864	ppview32.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\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	c6bc6b5590f2550e02b2913ba96944106c461239d1bde59885a6e79e642d0409.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	c6bc6b5590f2550e02b2913ba96944106c461239d1bde59885a6e79e642d0409.exe

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

System Information Discovery
T1082

Modifies registry class 38 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FCE18150-B12B-11D0-B06A-00AA0060271A}\ = "SlideShowView"	ppview32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FCE18142-B12B-11D0-B06A-00AA0060271A}\TypeLib\ = "{FCE18140-B12B-11D0-B06A-00AA0060271A}"	ppview32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FCE18150-B12B-11D0-B06A-00AA0060271A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	ppview32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FCE18150-B12B-11D0-B06A-00AA0060271A}\TypeLib	ppview32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FCE18150-B12B-11D0-B06A-00AA0060271A}\TypeLib\Version = "2.0"	ppview32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FCE18150-B12B-11D0-B06A-00AA0060271A}	ppview32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FCE18140-B12B-11D0-B06A-00AA0060271A}\2.0\0\win32	ppview32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FCE18142-B12B-11D0-B06A-00AA0060271A}\TypeLib	ppview32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FCE18142-B12B-11D0-B06A-00AA0060271A}\ = "_Application"	ppview32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FCE18142-B12B-11D0-B06A-00AA0060271A}\TypeLib\Version = "2.0"	ppview32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FCE18140-B12B-11D0-B06A-00AA0060271A}\2.0\FLAGS\ = "0"	ppview32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FCE18142-B12B-11D0-B06A-00AA0060271A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	ppview32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FCE18142-B12B-11D0-B06A-00AA0060271A}\ProxyStubClsid32	ppview32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FCE18150-B12B-11D0-B06A-00AA0060271A}\TypeLib\ = "{FCE18140-B12B-11D0-B06A-00AA0060271A}"	ppview32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FCE18150-B12B-11D0-B06A-00AA0060271A}\TypeLib	ppview32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FCE18140-B12B-11D0-B06A-00AA0060271A}\2.0\FLAGS	ppview32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FCE18142-B12B-11D0-B06A-00AA0060271A}\ = "_Application"	ppview32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FCE18142-B12B-11D0-B06A-00AA0060271A}\TypeLib\ = "{FCE18140-B12B-11D0-B06A-00AA0060271A}"	ppview32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FCE18142-B12B-11D0-B06A-00AA0060271A}\TypeLib\Version = "2.0"	ppview32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FCE18140-B12B-11D0-B06A-00AA0060271A}\2.0\ = "Microsoft PowerPointViewer 8.0 Object Library"	ppview32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FCE18142-B12B-11D0-B06A-00AA0060271A}	ppview32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FCE18142-B12B-11D0-B06A-00AA0060271A}\TypeLib	ppview32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FCE18150-B12B-11D0-B06A-00AA0060271A}\ProxyStubClsid32	ppview32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FCE18140-B12B-11D0-B06A-00AA0060271A}\2.0	ppview32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FCE18150-B12B-11D0-B06A-00AA0060271A}\ = "SlideShowView"	ppview32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FCE18150-B12B-11D0-B06A-00AA0060271A}\ProxyStubClsid32	ppview32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FCE18150-B12B-11D0-B06A-00AA0060271A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	ppview32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FCE18142-B12B-11D0-B06A-00AA0060271A}	ppview32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FCE18150-B12B-11D0-B06A-00AA0060271A}\TypeLib\ = "{FCE18140-B12B-11D0-B06A-00AA0060271A}"	ppview32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FCE18140-B12B-11D0-B06A-00AA0060271A}	ppview32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FCE18140-B12B-11D0-B06A-00AA0060271A}\2.0\0	ppview32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FCE18140-B12B-11D0-B06A-00AA0060271A}\2.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\msppt8vr.olb"	ppview32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FCE18140-B12B-11D0-B06A-00AA0060271A}\2.0\HELPDIR	ppview32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FCE18150-B12B-11D0-B06A-00AA0060271A}\TypeLib\Version = "2.0"	ppview32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FCE18140-B12B-11D0-B06A-00AA0060271A}\2.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP"	ppview32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FCE18142-B12B-11D0-B06A-00AA0060271A}\ProxyStubClsid32	ppview32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FCE18142-B12B-11D0-B06A-00AA0060271A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	ppview32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FCE18150-B12B-11D0-B06A-00AA0060271A}	ppview32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	864	ppview32.exe
Token: SeIncBasePriorityPrivilege	864	ppview32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 864	1660	c6bc6b5590f2550e02b2913ba96944106c461239d1bde59885a6e79e642d0409.exe	28
PID 1660 wrote to memory of 864	1660	c6bc6b5590f2550e02b2913ba96944106c461239d1bde59885a6e79e642d0409.exe	28
PID 1660 wrote to memory of 864	1660	c6bc6b5590f2550e02b2913ba96944106c461239d1bde59885a6e79e642d0409.exe	28
PID 1660 wrote to memory of 864	1660	c6bc6b5590f2550e02b2913ba96944106c461239d1bde59885a6e79e642d0409.exe	28
PID 1660 wrote to memory of 864	1660	c6bc6b5590f2550e02b2913ba96944106c461239d1bde59885a6e79e642d0409.exe	28
PID 1660 wrote to memory of 864	1660	c6bc6b5590f2550e02b2913ba96944106c461239d1bde59885a6e79e642d0409.exe	28
PID 1660 wrote to memory of 864	1660	c6bc6b5590f2550e02b2913ba96944106c461239d1bde59885a6e79e642d0409.exe	28

C:\Users\Admin\AppData\Local\Temp\c6bc6b5590f2550e02b2913ba96944106c461239d1bde59885a6e79e642d0409.exe
"C:\Users\Admin\AppData\Local\Temp\c6bc6b5590f2550e02b2913ba96944106c461239d1bde59885a6e79e642d0409.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ppview32.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ppview32.exe EsbQsg.ppt
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  PID:864

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\EsbQsg.ppt

Filesize
1.1MB

MD5
3eebbf990d288202f09b0db9fcb40b5f

SHA1
0cfda5a8bd15f9ebb0d8004695cca3385fcf24a1

SHA256
e3dacc0b1d2e5df379e164b9ebe23fd083e3c96aa65c499bb7c3295f99e68432

SHA512
806571b05495bec1ae0283c73e311ed5c90e5d5df695054408e6fbfab13b4b323c4d5ad3e0b16cb940197c726b869bb69f33c4db0214ca7a993d8016128b738d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\HLink.dll

Filesize
80KB

MD5
92db419fd98b197e73b57997d83fea52

SHA1
195246cff5e7f8fc313a7a47948a8f57b8b3ce08

SHA256
e138dc8267b86411afc81cd9a6148334f55b027173765d1b07abf4a97ab5da97

SHA512
a08a25c36fa0d3ae1ef323f36842f87259bcb9f8572f44caedd69c02e76b611c94e08baa6f38b6ed320ae9528f8ac56aab87401fdb709f87cb6d3629f7873a0b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MSO97v.DLL

Filesize
1.6MB

MD5
5a5abb409208ec32459aa1bc6f70b357

SHA1
36edf66cbf1020558e613d6cf91f790943e49ce5

SHA256
f3159691bdf53f63b4e588c04333599e9086a0a7eb59bddac4d7331f5aff274f

SHA512
801ec5d74bf0436dc54c9e22c5e941f5ea481c41fe618f06b4e139c36f6dcd9b1417be63353ee661c285312e5861d2c534ddecbd5ca7af851c8d706f8bf333ac

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MSV7ENU.DLL

Filesize
223KB

MD5
0a97e3993a4d202275aaaf990fd4492e

SHA1
9ce5f40bc2271d6ab357031fe5c443e3e776a9ec

SHA256
bdc49896d6a38f4d6ae3ca3b42233ba4bd4842e35a4459386e9c7d12fa15b640

SHA512
64c778bdb7e30725a1e32a69d24643223bfe0913be6c0339106bb3b1d99eaa4549386ab2bf7d553a0ad1b72f1bb3250a43387088336e768ac0f2e13b8abf4e07

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PPIntlv.DLL

Filesize
154KB

MD5
5c5faeebdcc03ab60a8f968d9fd56548

SHA1
f0633c6d4238cb59c7cdfa4ea2aeca0019901e67

SHA256
366ed2fa94f707f7cf0800771d8daae8574ce5d1bab2b4bebd1e92d84a2d6fe8

SHA512
71c70d82c673188063f43b6ba50c21fc048e397e62df87f489dd90e96c788168b55de56f952790f2f0a386bb5c120c94980131c5a527939564de8efbb07cf37f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\msppt8vr.olb

Filesize
5KB

MD5
2c78fccd977621990cf608f0f5a50740

SHA1
53bbaa08ec35b092f7a08a53b7e8b2da744d7052

SHA256
b1c6335b894d68979a48b7460c2d476d7c32a2fa67d24c89bb26c9b621a6a5a9

SHA512
53da3decc95513b11707393028df4bad28e48d29526c654aa0ced10549a38d4f0572246dd8ea09dfcf6f4688c3b7c4c41c54586916ee3355c7e2887e93dde2fb

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ppview32.exe

Filesize
1.4MB

MD5
e00540bd2e24a5076116f84d79e9dfda

SHA1
b1dfd2ffa0d53ee1c808295ba65a2bc0be76e9e9

SHA256
d6a1181d115b535ddc9323caf6f4d7880e2ff34b44fb2dfb143f78b8728e80f6

SHA512
2f0d5709c4f9bef00b4197785153e09ecfc3a3c4f3f3381c46ac019bfcafc53e5c99379115abd7837a5c31b9eba769a151f5316e18a65d0ac7cbd4f2404c1fe6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ppview32.exe

Filesize
1.4MB

MD5
e00540bd2e24a5076116f84d79e9dfda

SHA1
b1dfd2ffa0d53ee1c808295ba65a2bc0be76e9e9

SHA256
d6a1181d115b535ddc9323caf6f4d7880e2ff34b44fb2dfb143f78b8728e80f6

SHA512
2f0d5709c4f9bef00b4197785153e09ecfc3a3c4f3f3381c46ac019bfcafc53e5c99379115abd7837a5c31b9eba769a151f5316e18a65d0ac7cbd4f2404c1fe6

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\hlink.dll

Filesize
80KB

MD5
92db419fd98b197e73b57997d83fea52

SHA1
195246cff5e7f8fc313a7a47948a8f57b8b3ce08

SHA256
e138dc8267b86411afc81cd9a6148334f55b027173765d1b07abf4a97ab5da97

SHA512
a08a25c36fa0d3ae1ef323f36842f87259bcb9f8572f44caedd69c02e76b611c94e08baa6f38b6ed320ae9528f8ac56aab87401fdb709f87cb6d3629f7873a0b

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\mso97v.dll

Filesize
1.6MB

MD5
5a5abb409208ec32459aa1bc6f70b357

SHA1
36edf66cbf1020558e613d6cf91f790943e49ce5

SHA256
f3159691bdf53f63b4e588c04333599e9086a0a7eb59bddac4d7331f5aff274f

SHA512
801ec5d74bf0436dc54c9e22c5e941f5ea481c41fe618f06b4e139c36f6dcd9b1417be63353ee661c285312e5861d2c534ddecbd5ca7af851c8d706f8bf333ac

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\ppintlv.dll

Filesize
154KB

MD5
5c5faeebdcc03ab60a8f968d9fd56548

SHA1
f0633c6d4238cb59c7cdfa4ea2aeca0019901e67

SHA256
366ed2fa94f707f7cf0800771d8daae8574ce5d1bab2b4bebd1e92d84a2d6fe8

SHA512
71c70d82c673188063f43b6ba50c21fc048e397e62df87f489dd90e96c788168b55de56f952790f2f0a386bb5c120c94980131c5a527939564de8efbb07cf37f

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\ppview32.exe

Filesize
1.4MB

MD5
e00540bd2e24a5076116f84d79e9dfda

SHA1
b1dfd2ffa0d53ee1c808295ba65a2bc0be76e9e9

SHA256
d6a1181d115b535ddc9323caf6f4d7880e2ff34b44fb2dfb143f78b8728e80f6

SHA512
2f0d5709c4f9bef00b4197785153e09ecfc3a3c4f3f3381c46ac019bfcafc53e5c99379115abd7837a5c31b9eba769a151f5316e18a65d0ac7cbd4f2404c1fe6

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\ppview32.exe

Filesize
1.4MB

MD5
e00540bd2e24a5076116f84d79e9dfda

SHA1
b1dfd2ffa0d53ee1c808295ba65a2bc0be76e9e9

SHA256
d6a1181d115b535ddc9323caf6f4d7880e2ff34b44fb2dfb143f78b8728e80f6

SHA512
2f0d5709c4f9bef00b4197785153e09ecfc3a3c4f3f3381c46ac019bfcafc53e5c99379115abd7837a5c31b9eba769a151f5316e18a65d0ac7cbd4f2404c1fe6

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\ppview32.exe

Filesize
1.4MB

MD5
e00540bd2e24a5076116f84d79e9dfda

SHA1
b1dfd2ffa0d53ee1c808295ba65a2bc0be76e9e9

SHA256
d6a1181d115b535ddc9323caf6f4d7880e2ff34b44fb2dfb143f78b8728e80f6

SHA512
2f0d5709c4f9bef00b4197785153e09ecfc3a3c4f3f3381c46ac019bfcafc53e5c99379115abd7837a5c31b9eba769a151f5316e18a65d0ac7cbd4f2404c1fe6

Download Submit
memory/1660-54-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

Filesize
8KB

Download