a85eea8da1a6f8ec1d96a61acc36d25417932c65f40c8cba9bc4184bf7fe7670

General

Target

7cf4cfa723867c10ab9601132839627b.exe
Size

385KB
MD5

7cf4cfa723867c10ab9601132839627b
SHA1

2038b92f05d15354d0035f8977f589c3fee66681
SHA256

a85eea8da1a6f8ec1d96a61acc36d25417932c65f40c8cba9bc4184bf7fe7670
SHA512

e1ec879a8ee0d899b50980570cb8e6bd32c6b43da6e5e102c8dcdf3255a4ca8a9ac07d461266302d03fac1b33ca36e7033b33f94e21850973dcb02d19b5c6aec
SSDEEP

6144:F6U8oUowzNamOHKr2RDkN67pRHkbvRymT9bSrhasrMGgfeHGB:xFUowzY5qr2DpWZKha3GguGB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2248	7cf4cfa723867c10ab9601132839627b.exe

Executes dropped EXE 1 IoCs

pid	Process
2248	7cf4cfa723867c10ab9601132839627b.exe

Loads dropped DLL 1 IoCs

pid	Process
3024	7cf4cfa723867c10ab9601132839627b.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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	7cf4cfa723867c10ab9601132839627b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	7cf4cfa723867c10ab9601132839627b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 0f0000000100000014000000ce0e658aa3e847e467a147b3049191093d055e6f0b0000000100000034000000420061006c00740069006d006f007200650020004300790062006500720054007200750073007400200052006f006f007400000053000000010000002400000030223020060a2b06010401b13e01640130123010060a2b0601040182373c0101030200c0140000000100000014000000e59d5930824758ccacfa085436867b3ab5044df01d0000000100000010000000918ad43a9475f78bb5243de886d8103c09000000010000000c000000300a06082b06010505070301030000000100000014000000d4de20d05e66fc53fe1a50882c78db2852cae47420000000010000007b030000308203773082025fa0030201020204020000b9300d06092a864886f70d0101050500305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f74301e170d3030303531323138343630305a170d3235303531323233353930305a305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f7430820122300d06092a864886f70d01010105000382010f003082010a0282010100a304bb22ab983d57e826729ab579d429e2e1e89580b1b0e35b8e2b299a64dfa15dedb009056ddb282ece62a262feb488da12eb38eb219dc0412b01527b8877d31c8fc7bab988b56a09e773e81140a7d1ccca628d2de58f0ba650d2a850c328eaf5ab25878a9a961ca967b83f0cd5f7f952132fc21bd57070f08fc012ca06cb9ae1d9ca337a77d6f8ecb9f16844424813d2c0c2a4ae5e60feb6a605fcb4dd075902d459189863f5a563e0900c7d5db2067af385eaebd403ae5e843e5fff15ed69bcf939367275cf77524df3c9902cb93de5c923533f1f2498215c079929bdc63aece76e863a6b97746333bd681831f0788d76bffc9e8e5d2a86a74d90dc271a390203010001a3453043301d0603551d0e04160414e59d5930824758ccacfa085436867b3ab5044df030120603551d130101ff040830060101ff020103300e0603551d0f0101ff040403020106300d06092a864886f70d01010505000382010100850c5d8ee46f51684205a0ddbb4f27258403bdf764fd2dd730e3a41017ebda2929b6793f76f6191323b8100af958a4d46170bd04616a128a17d50abdc5bc307cd6e90c258d86404feccca37e38c637114feddd68318e4cd2b30174eebe755e07481a7f70ff165c84c07985b805fd7fbe6511a30fc002b4f852373904d5a9317a18bfa02af41299f7a34582e33c5ef59d9eb5c89e7c2ec8a49e4e08144b6dfd706d6b1a63bd64e61fb7cef0f29f2ebb1bb7f250887392c2e2e3168d9a3202ab8e18dde91011ee7e35ab90af3e30947ad0333da7650ff5fc8e9e62cf47442c015dbb1db532d247d2382ed0fe81dc326a1eb5ee3cd5fce7811d19c32442ea6339a9	7cf4cfa723867c10ab9601132839627b.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3024	7cf4cfa723867c10ab9601132839627b.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3024	7cf4cfa723867c10ab9601132839627b.exe
2248	7cf4cfa723867c10ab9601132839627b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 2248	3024	7cf4cfa723867c10ab9601132839627b.exe	28
PID 3024 wrote to memory of 2248	3024	7cf4cfa723867c10ab9601132839627b.exe	28
PID 3024 wrote to memory of 2248	3024	7cf4cfa723867c10ab9601132839627b.exe	28
PID 3024 wrote to memory of 2248	3024	7cf4cfa723867c10ab9601132839627b.exe	28

C:\Users\Admin\AppData\Local\Temp\7cf4cfa723867c10ab9601132839627b.exe
"C:\Users\Admin\AppData\Local\Temp\7cf4cfa723867c10ab9601132839627b.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Users\Admin\AppData\Local\Temp\7cf4cfa723867c10ab9601132839627b.exe
  C:\Users\Admin\AppData\Local\Temp\7cf4cfa723867c10ab9601132839627b.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2248

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\Cab7216.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar72B5.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\7cf4cfa723867c10ab9601132839627b.exe

Filesize
385KB

MD5
e38c40dc29914cf8addec7b01bbe977b

SHA1
7ce4fef383a7ca36c146e71f657548d20d782b20

SHA256
7a2b67735c1c0f52056c76b2369c772dd0ce83baaa4bd6020ca2dc054816b5bd

SHA512
595af07913a299c2cf8b1c3a2eaaf0fd23d9b5285dffdd91e9bca162806a2bb37d4e0446b8100c9c2e9292d0954ba5a0ffcd0f8dade5e43423cf17ab633daf78

Download Submit
memory/2248-29-0x0000000000380000-0x00000000003DF000-memory.dmp

Filesize
380KB

Download
memory/2248-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2248-17-0x0000000000240000-0x00000000002A6000-memory.dmp

Filesize
408KB

Download
memory/2248-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2248-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2248-78-0x000000000EA40000-0x000000000EA7C000-memory.dmp

Filesize
240KB

Download
memory/2248-83-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3024-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3024-12-0x00000000002C0000-0x0000000000326000-memory.dmp

Filesize
408KB

Download
memory/3024-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3024-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3024-1-0x0000000000250000-0x00000000002B6000-memory.dmp

Filesize
408KB

Download

Analysis

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