68c6a48c7c3b9ba71c523e0f3830b4d992448d8ddb67f451c587e48067a523e0

General

Target

8fc8b804ab181c2256d94f0b87a9c0ee.exe
Size

385KB
MD5

8fc8b804ab181c2256d94f0b87a9c0ee
SHA1

961e148de2f769f3ee38c0580399c15b7ef14b06
SHA256

68c6a48c7c3b9ba71c523e0f3830b4d992448d8ddb67f451c587e48067a523e0
SHA512

b4edc17054562ce46b31f842636362a705638d04263787ea14618485041b0d53cb99253e47f0751c3eb51062c09cbb1fcbf031acfd3c090e8e71aa9229a1faff
SSDEEP

6144:elGz8S0/bgyQ/A3DmHNdS6Hlx4m39SNgYlu8F6eCInOhsxfv5krgAzZle+MHMKTs:eIP0//QgDAWQx/tolB79OWxnDAeiKfKB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2268	8fc8b804ab181c2256d94f0b87a9c0ee.exe

Executes dropped EXE 1 IoCs

pid	Process
2268	8fc8b804ab181c2256d94f0b87a9c0ee.exe

Loads dropped DLL 1 IoCs

pid	Process
2088	8fc8b804ab181c2256d94f0b87a9c0ee.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
3	pastebin.com
4	pastebin.com

Modifies system certificate store 2 TTPs 3 IoCs

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	8fc8b804ab181c2256d94f0b87a9c0ee.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	8fc8b804ab181c2256d94f0b87a9c0ee.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	8fc8b804ab181c2256d94f0b87a9c0ee.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2088	8fc8b804ab181c2256d94f0b87a9c0ee.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2088	8fc8b804ab181c2256d94f0b87a9c0ee.exe
2268	8fc8b804ab181c2256d94f0b87a9c0ee.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 2268	2088	8fc8b804ab181c2256d94f0b87a9c0ee.exe	28
PID 2088 wrote to memory of 2268	2088	8fc8b804ab181c2256d94f0b87a9c0ee.exe	28
PID 2088 wrote to memory of 2268	2088	8fc8b804ab181c2256d94f0b87a9c0ee.exe	28
PID 2088 wrote to memory of 2268	2088	8fc8b804ab181c2256d94f0b87a9c0ee.exe	28

C:\Users\Admin\AppData\Local\Temp\8fc8b804ab181c2256d94f0b87a9c0ee.exe
"C:\Users\Admin\AppData\Local\Temp\8fc8b804ab181c2256d94f0b87a9c0ee.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Users\Admin\AppData\Local\Temp\8fc8b804ab181c2256d94f0b87a9c0ee.exe
  C:\Users\Admin\AppData\Local\Temp\8fc8b804ab181c2256d94f0b87a9c0ee.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\8fc8b804ab181c2256d94f0b87a9c0ee.exe

Filesize
385KB

MD5
d7d40c4a71521e4c1213f201b93c279f

SHA1
82aab347aebeda0f547cbf530d57eb404351fe74

SHA256
10b40683714e9be8d4e4e9edcf20072dd9193a3f4d50307c6d51292a1607ac44

SHA512
0f834c8c23e7b3548d73a3fb1bfa7b4e183f038d2a2873cb1ac251b0125252cdac7aa8fc6e80424c3f344d1897b5c6f50677f42286112789817fd64d306a37f4

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab566C.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar56DC.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\8fc8b804ab181c2256d94f0b87a9c0ee.exe

Filesize
192KB

MD5
896bedaaf2f68bad57e482ae24d96f6b

SHA1
7d9fc9e6bdb4c9056ee5f7b3f3bfb580ea5e935f

SHA256
5b3395ddb01fb0250a01a39a4da97a096cc3c8e084144404d5902e1226aac341

SHA512
b43c795f69d9e190f8808358a9df1dedf09c4081f4a4463bb98c769ac2b6d87b76271059e5b1e0f51dfe1c05717e1834426efe596ba31a0a2df19b420f0d3b13

Download Submit
memory/2088-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2088-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2088-2-0x0000000000340000-0x00000000003A6000-memory.dmp

Filesize
408KB

Download
memory/2088-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2268-15-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2268-17-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2268-23-0x00000000003A0000-0x00000000003FF000-memory.dmp

Filesize
380KB

Download
memory/2268-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2268-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2268-81-0x000000000EA40000-0x000000000EA7C000-memory.dmp

Filesize
240KB

Download
memory/2268-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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