b338c35b92d9fba52bbf4d284a0cbbe06918bcc80eae7b439a61cd93d034746e

General

Target

66c8aa0633f9ac29979914fb4297a574.exe
Size

907KB
MD5

66c8aa0633f9ac29979914fb4297a574
SHA1

3048e906d2c929e38fd5ca389bc4b69333b88513
SHA256

b338c35b92d9fba52bbf4d284a0cbbe06918bcc80eae7b439a61cd93d034746e
SHA512

9aa39ff8e0fbc00aa155a316c43215097a3127e85648186bda7eb994dba4e09328f756f1b0626624d45d1b3f0780bfca300b58899d1d509cc636442501d80a03
SSDEEP

24576:Js9cAOim8LXCG1L4zNt/D+clgxmDr8a/ZS1:Js9ccm8LS8Yb/jmEX8gS

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2372	66c8aa0633f9ac29979914fb4297a574.exe

Executes dropped EXE 1 IoCs

pid	Process
2372	66c8aa0633f9ac29979914fb4297a574.exe

Loads dropped DLL 1 IoCs

pid	Process
760	66c8aa0633f9ac29979914fb4297a574.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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	66c8aa0633f9ac29979914fb4297a574.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	66c8aa0633f9ac29979914fb4297a574.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 19000000010000001000000068cb42b035ea773e52ef50ecf50ec529030000000100000014000000d4de20d05e66fc53fe1a50882c78db2852cae47409000000010000000c000000300a06082b060105050703011d0000000100000010000000918ad43a9475f78bb5243de886d8103c140000000100000014000000e59d5930824758ccacfa085436867b3ab5044df053000000010000002400000030223020060a2b06010401b13e01640130123010060a2b0601040182373c0101030200c00b0000000100000034000000420061006c00740069006d006f007200650020004300790062006500720054007200750073007400200052006f006f00740000000f0000000100000014000000ce0e658aa3e847e467a147b3049191093d055e6f20000000010000007b030000308203773082025fa0030201020204020000b9300d06092a864886f70d0101050500305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f74301e170d3030303531323138343630305a170d3235303531323233353930305a305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f7430820122300d06092a864886f70d01010105000382010f003082010a0282010100a304bb22ab983d57e826729ab579d429e2e1e89580b1b0e35b8e2b299a64dfa15dedb009056ddb282ece62a262feb488da12eb38eb219dc0412b01527b8877d31c8fc7bab988b56a09e773e81140a7d1ccca628d2de58f0ba650d2a850c328eaf5ab25878a9a961ca967b83f0cd5f7f952132fc21bd57070f08fc012ca06cb9ae1d9ca337a77d6f8ecb9f16844424813d2c0c2a4ae5e60feb6a605fcb4dd075902d459189863f5a563e0900c7d5db2067af385eaebd403ae5e843e5fff15ed69bcf939367275cf77524df3c9902cb93de5c923533f1f2498215c079929bdc63aece76e863a6b97746333bd681831f0788d76bffc9e8e5d2a86a74d90dc271a390203010001a3453043301d0603551d0e04160414e59d5930824758ccacfa085436867b3ab5044df030120603551d130101ff040830060101ff020103300e0603551d0f0101ff040403020106300d06092a864886f70d01010505000382010100850c5d8ee46f51684205a0ddbb4f27258403bdf764fd2dd730e3a41017ebda2929b6793f76f6191323b8100af958a4d46170bd04616a128a17d50abdc5bc307cd6e90c258d86404feccca37e38c637114feddd68318e4cd2b30174eebe755e07481a7f70ff165c84c07985b805fd7fbe6511a30fc002b4f852373904d5a9317a18bfa02af41299f7a34582e33c5ef59d9eb5c89e7c2ec8a49e4e08144b6dfd706d6b1a63bd64e61fb7cef0f29f2ebb1bb7f250887392c2e2e3168d9a3202ab8e18dde91011ee7e35ab90af3e30947ad0333da7650ff5fc8e9e62cf47442c015dbb1db532d247d2382ed0fe81dc326a1eb5ee3cd5fce7811d19c32442ea6339a9	66c8aa0633f9ac29979914fb4297a574.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
760	66c8aa0633f9ac29979914fb4297a574.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
760	66c8aa0633f9ac29979914fb4297a574.exe
2372	66c8aa0633f9ac29979914fb4297a574.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 760 wrote to memory of 2372	760	66c8aa0633f9ac29979914fb4297a574.exe	29
PID 760 wrote to memory of 2372	760	66c8aa0633f9ac29979914fb4297a574.exe	29
PID 760 wrote to memory of 2372	760	66c8aa0633f9ac29979914fb4297a574.exe	29
PID 760 wrote to memory of 2372	760	66c8aa0633f9ac29979914fb4297a574.exe	29

C:\Users\Admin\AppData\Local\Temp\66c8aa0633f9ac29979914fb4297a574.exe
"C:\Users\Admin\AppData\Local\Temp\66c8aa0633f9ac29979914fb4297a574.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:760
- C:\Users\Admin\AppData\Local\Temp\66c8aa0633f9ac29979914fb4297a574.exe
  C:\Users\Admin\AppData\Local\Temp\66c8aa0633f9ac29979914fb4297a574.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2372

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\Cab8E5D.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar8ECD.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\66c8aa0633f9ac29979914fb4297a574.exe

Filesize
907KB

MD5
3cf6dfc4a7aa1ab7f2544a1ced75b365

SHA1
c303a204f06f0ad13119b41519b3a4e83063502f

SHA256
4b33d1492616a93d2e51fb80f139a62be86a0e3df32a3e45fd2f4a0679c903e9

SHA512
ea36f82f6a383722e56fc030680115bb755077b352087848040cb8fd25ac843e81e76d22c0b141a3f80d1c78ec2ca9df83f0efc03c87371376957e92af1a3bc5

Download Submit
memory/760-0-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/760-12-0x0000000003270000-0x0000000003358000-memory.dmp

Filesize
928KB

Download
memory/760-14-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/760-1-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/760-2-0x00000000002A0000-0x0000000000388000-memory.dmp

Filesize
928KB

Download
memory/2372-17-0x00000000002C0000-0x00000000003A8000-memory.dmp

Filesize
928KB

Download
memory/2372-22-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2372-23-0x0000000002F90000-0x000000000304B000-memory.dmp

Filesize
748KB

Download
memory/2372-77-0x000000000ED00000-0x000000000ED98000-memory.dmp

Filesize
608KB

Download
memory/2372-76-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download

Analysis

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