6dae85febacbe70d20b6e966353d5eabda4ac257155554cdbf02bec6ee5468c4

General

Target

8b8d346afabdb64f144ccee9d67c49dd.exe
Size

385KB
MD5

8b8d346afabdb64f144ccee9d67c49dd
SHA1

3083f56c499c9c523376bccd7908a0e702b6ead6
SHA256

6dae85febacbe70d20b6e966353d5eabda4ac257155554cdbf02bec6ee5468c4
SHA512

e04bbc4b28c7cb6c836f7364a70ae53d92529a5de81e59ae14362cd8ef2ba5edcad521c60503164d61e08301e962516c05497411ccde7f1110faa3dcd2e3b201
SSDEEP

6144:5inok8sNpilF9UziIvyUfAkMh2GRoTFY+8GDcphIVqAIrlQWFK3o0svRqZvN69PG:5iokHwlF93iDfDFHL8GwhwjILULB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3000	8b8d346afabdb64f144ccee9d67c49dd.exe

Executes dropped EXE 1 IoCs

pid	Process
3000	8b8d346afabdb64f144ccee9d67c49dd.exe

Loads dropped DLL 1 IoCs

pid	Process
1752	8b8d346afabdb64f144ccee9d67c49dd.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	8b8d346afabdb64f144ccee9d67c49dd.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 0f0000000100000014000000ce0e658aa3e847e467a147b3049191093d055e6f0b0000000100000034000000420061006c00740069006d006f007200650020004300790062006500720054007200750073007400200052006f006f007400000053000000010000002400000030223020060a2b06010401b13e01640130123010060a2b0601040182373c0101030200c0140000000100000014000000e59d5930824758ccacfa085436867b3ab5044df01d0000000100000010000000918ad43a9475f78bb5243de886d8103c09000000010000000c000000300a06082b06010505070301030000000100000014000000d4de20d05e66fc53fe1a50882c78db2852cae47420000000010000007b030000308203773082025fa0030201020204020000b9300d06092a864886f70d0101050500305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f74301e170d3030303531323138343630305a170d3235303531323233353930305a305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f7430820122300d06092a864886f70d01010105000382010f003082010a0282010100a304bb22ab983d57e826729ab579d429e2e1e89580b1b0e35b8e2b299a64dfa15dedb009056ddb282ece62a262feb488da12eb38eb219dc0412b01527b8877d31c8fc7bab988b56a09e773e81140a7d1ccca628d2de58f0ba650d2a850c328eaf5ab25878a9a961ca967b83f0cd5f7f952132fc21bd57070f08fc012ca06cb9ae1d9ca337a77d6f8ecb9f16844424813d2c0c2a4ae5e60feb6a605fcb4dd075902d459189863f5a563e0900c7d5db2067af385eaebd403ae5e843e5fff15ed69bcf939367275cf77524df3c9902cb93de5c923533f1f2498215c079929bdc63aece76e863a6b97746333bd681831f0788d76bffc9e8e5d2a86a74d90dc271a390203010001a3453043301d0603551d0e04160414e59d5930824758ccacfa085436867b3ab5044df030120603551d130101ff040830060101ff020103300e0603551d0f0101ff040403020106300d06092a864886f70d01010505000382010100850c5d8ee46f51684205a0ddbb4f27258403bdf764fd2dd730e3a41017ebda2929b6793f76f6191323b8100af958a4d46170bd04616a128a17d50abdc5bc307cd6e90c258d86404feccca37e38c637114feddd68318e4cd2b30174eebe755e07481a7f70ff165c84c07985b805fd7fbe6511a30fc002b4f852373904d5a9317a18bfa02af41299f7a34582e33c5ef59d9eb5c89e7c2ec8a49e4e08144b6dfd706d6b1a63bd64e61fb7cef0f29f2ebb1bb7f250887392c2e2e3168d9a3202ab8e18dde91011ee7e35ab90af3e30947ad0333da7650ff5fc8e9e62cf47442c015dbb1db532d247d2382ed0fe81dc326a1eb5ee3cd5fce7811d19c32442ea6339a9	8b8d346afabdb64f144ccee9d67c49dd.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	8b8d346afabdb64f144ccee9d67c49dd.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1752	8b8d346afabdb64f144ccee9d67c49dd.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1752	8b8d346afabdb64f144ccee9d67c49dd.exe
3000	8b8d346afabdb64f144ccee9d67c49dd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 3000	1752	8b8d346afabdb64f144ccee9d67c49dd.exe	28
PID 1752 wrote to memory of 3000	1752	8b8d346afabdb64f144ccee9d67c49dd.exe	28
PID 1752 wrote to memory of 3000	1752	8b8d346afabdb64f144ccee9d67c49dd.exe	28
PID 1752 wrote to memory of 3000	1752	8b8d346afabdb64f144ccee9d67c49dd.exe	28

C:\Users\Admin\AppData\Local\Temp\8b8d346afabdb64f144ccee9d67c49dd.exe
"C:\Users\Admin\AppData\Local\Temp\8b8d346afabdb64f144ccee9d67c49dd.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\8b8d346afabdb64f144ccee9d67c49dd.exe
  C:\Users\Admin\AppData\Local\Temp\8b8d346afabdb64f144ccee9d67c49dd.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:3000

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1BCF.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\8b8d346afabdb64f144ccee9d67c49dd.exe

Filesize
385KB

MD5
23080d476b0067a013fcae1b6f208f9c

SHA1
37500cf02067ba298c669174a2deb30c841a6fb8

SHA256
3addd9373bf0b58fb9b20c823197825654d2394ff01f7b778978c7eb781cbfca

SHA512
9e91e607bd938f08122fcd8fc8daea8ef434eb329f62ac42eefafa052d65b868847a02aea824347c22e33c9d26e9522b8e6ebbf39f1c953c4d466ead51c5e870

Download Submit
memory/1752-1-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/1752-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1752-14-0x0000000001580000-0x00000000015E6000-memory.dmp

Filesize
408KB

Download
memory/1752-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1752-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3000-17-0x0000000000310000-0x0000000000376000-memory.dmp

Filesize
408KB

Download
memory/3000-27-0x0000000002CB0000-0x0000000002D0F000-memory.dmp

Filesize
380KB

Download
memory/3000-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3000-20-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3000-88-0x0000000008580000-0x00000000085BC000-memory.dmp

Filesize
240KB

Download
memory/3000-87-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3000-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing