aa1066322da98f5fe1a64b99010935cf42478fa1c2c27d4eef7d5099373c6721

General

Target

7f4fc1d5a6c57db4a63e7f45f1612f8c.exe
Size

907KB
MD5

7f4fc1d5a6c57db4a63e7f45f1612f8c
SHA1

81254ccce5f9d767d04315dcbdda3aff36dac935
SHA256

aa1066322da98f5fe1a64b99010935cf42478fa1c2c27d4eef7d5099373c6721
SHA512

45731924f3a401dd816bae3dc4367af661d49c0ff164e48a647ede966181f1322ea57e6197a5b22290c4416464d1e8cc406078f95c74edea522b6bd49a48d9b0
SSDEEP

24576:Uut9edhaOIfwGE008eQtGnhJnv0+qRa/ZS1:U+odhCYGE00yQnbnbqgS

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2820	7f4fc1d5a6c57db4a63e7f45f1612f8c.exe

Executes dropped EXE 1 IoCs

pid	Process
2820	7f4fc1d5a6c57db4a63e7f45f1612f8c.exe

Loads dropped DLL 1 IoCs

pid	Process
1224	7f4fc1d5a6c57db4a63e7f45f1612f8c.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 = 19000000010000001000000068cb42b035ea773e52ef50ecf50ec529030000000100000014000000d4de20d05e66fc53fe1a50882c78db2852cae47409000000010000000c000000300a06082b060105050703011d0000000100000010000000918ad43a9475f78bb5243de886d8103c140000000100000014000000e59d5930824758ccacfa085436867b3ab5044df053000000010000002400000030223020060a2b06010401b13e01640130123010060a2b0601040182373c0101030200c00b0000000100000034000000420061006c00740069006d006f007200650020004300790062006500720054007200750073007400200052006f006f00740000000f0000000100000014000000ce0e658aa3e847e467a147b3049191093d055e6f20000000010000007b030000308203773082025fa0030201020204020000b9300d06092a864886f70d0101050500305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f74301e170d3030303531323138343630305a170d3235303531323233353930305a305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f7430820122300d06092a864886f70d01010105000382010f003082010a0282010100a304bb22ab983d57e826729ab579d429e2e1e89580b1b0e35b8e2b299a64dfa15dedb009056ddb282ece62a262feb488da12eb38eb219dc0412b01527b8877d31c8fc7bab988b56a09e773e81140a7d1ccca628d2de58f0ba650d2a850c328eaf5ab25878a9a961ca967b83f0cd5f7f952132fc21bd57070f08fc012ca06cb9ae1d9ca337a77d6f8ecb9f16844424813d2c0c2a4ae5e60feb6a605fcb4dd075902d459189863f5a563e0900c7d5db2067af385eaebd403ae5e843e5fff15ed69bcf939367275cf77524df3c9902cb93de5c923533f1f2498215c079929bdc63aece76e863a6b97746333bd681831f0788d76bffc9e8e5d2a86a74d90dc271a390203010001a3453043301d0603551d0e04160414e59d5930824758ccacfa085436867b3ab5044df030120603551d130101ff040830060101ff020103300e0603551d0f0101ff040403020106300d06092a864886f70d01010505000382010100850c5d8ee46f51684205a0ddbb4f27258403bdf764fd2dd730e3a41017ebda2929b6793f76f6191323b8100af958a4d46170bd04616a128a17d50abdc5bc307cd6e90c258d86404feccca37e38c637114feddd68318e4cd2b30174eebe755e07481a7f70ff165c84c07985b805fd7fbe6511a30fc002b4f852373904d5a9317a18bfa02af41299f7a34582e33c5ef59d9eb5c89e7c2ec8a49e4e08144b6dfd706d6b1a63bd64e61fb7cef0f29f2ebb1bb7f250887392c2e2e3168d9a3202ab8e18dde91011ee7e35ab90af3e30947ad0333da7650ff5fc8e9e62cf47442c015dbb1db532d247d2382ed0fe81dc326a1eb5ee3cd5fce7811d19c32442ea6339a9	7f4fc1d5a6c57db4a63e7f45f1612f8c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	7f4fc1d5a6c57db4a63e7f45f1612f8c.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	7f4fc1d5a6c57db4a63e7f45f1612f8c.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1224	7f4fc1d5a6c57db4a63e7f45f1612f8c.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1224	7f4fc1d5a6c57db4a63e7f45f1612f8c.exe
2820	7f4fc1d5a6c57db4a63e7f45f1612f8c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 2820	1224	7f4fc1d5a6c57db4a63e7f45f1612f8c.exe	29
PID 1224 wrote to memory of 2820	1224	7f4fc1d5a6c57db4a63e7f45f1612f8c.exe	29
PID 1224 wrote to memory of 2820	1224	7f4fc1d5a6c57db4a63e7f45f1612f8c.exe	29
PID 1224 wrote to memory of 2820	1224	7f4fc1d5a6c57db4a63e7f45f1612f8c.exe	29

C:\Users\Admin\AppData\Local\Temp\7f4fc1d5a6c57db4a63e7f45f1612f8c.exe
"C:\Users\Admin\AppData\Local\Temp\7f4fc1d5a6c57db4a63e7f45f1612f8c.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Users\Admin\AppData\Local\Temp\7f4fc1d5a6c57db4a63e7f45f1612f8c.exe
  C:\Users\Admin\AppData\Local\Temp\7f4fc1d5a6c57db4a63e7f45f1612f8c.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2820

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\7f4fc1d5a6c57db4a63e7f45f1612f8c.exe

Filesize
273KB

MD5
14d6a54115d138b5ee0dcbed9f912cfc

SHA1
bd1e42ffb6399d1278eef7f193fd949b4acdc42a

SHA256
80396840d1b8c36996cd430b793554c943baf98d705225fb0fd6e9862903e352

SHA512
8c0c13dc95e58bc99d2189f04643ba5cf6fe3e79147f9c9b7008b8b0077d52eb753554446833d7a4f0917fd28a27ffac713376679517ffba862098768ab4778d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab125A.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar127D.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\7f4fc1d5a6c57db4a63e7f45f1612f8c.exe

Filesize
184KB

MD5
6d83f2301153c035a040c47959b4794f

SHA1
a21b556d0350fed2dcab99a2840e45eceee3e608

SHA256
5ee32103a4f975d525d9aa888cf8715303be5617554b2132ed4d20a8937d3cc0

SHA512
a28091ee93d9ddab61f18b637f8412263f4c4b3a71768398b7c7158dcb6e3cb6a31e4c1589d39481b72eb60603504025e5253c1a05254fe4a408bcec1c6ba759

Download Submit
memory/1224-13-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/1224-0-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/1224-1-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/1224-2-0x00000000002C0000-0x00000000003A8000-memory.dmp

Filesize
928KB

Download
memory/2820-16-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2820-17-0x00000000014F0000-0x00000000015D8000-memory.dmp

Filesize
928KB

Download
memory/2820-22-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2820-27-0x0000000002F50000-0x000000000300B000-memory.dmp

Filesize
748KB

Download
memory/2820-76-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2820-82-0x000000000EF40000-0x000000000EFD8000-memory.dmp

Filesize
608KB

Download

Analysis

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