2de763cabf606e815ac7aa0f8f6af78d1a669d16e7d6baa19f2496ba424d8a23

General

Target

03e24f310d65ecbb34f8372e5a513ab1.exe
Size

907KB
MD5

03e24f310d65ecbb34f8372e5a513ab1
SHA1

e075d6bf914303319d3950c48427c472f4a971d2
SHA256

2de763cabf606e815ac7aa0f8f6af78d1a669d16e7d6baa19f2496ba424d8a23
SHA512

767b4d5cd8e4b0dbf6d9bc4b01d376b2d886c8e1fd13f41432af9489c26164c95ec82dd7c240542aa91260f912d9ffa1b0da0a4e846f33facc65ac791ee51b64
SSDEEP

24576:IQdrnZZ8E7RkgoWbgsz8ckBj6ZHwskLSa/ZS1:IkdZR3CgDkLSgS

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2312	03e24f310d65ecbb34f8372e5a513ab1.exe

Executes dropped EXE 1 IoCs

pid	Process
2312	03e24f310d65ecbb34f8372e5a513ab1.exe

Loads dropped DLL 1 IoCs

pid	Process
1212	03e24f310d65ecbb34f8372e5a513ab1.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	03e24f310d65ecbb34f8372e5a513ab1.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 0f0000000100000014000000ce0e658aa3e847e467a147b3049191093d055e6f0b0000000100000034000000420061006c00740069006d006f007200650020004300790062006500720054007200750073007400200052006f006f007400000053000000010000002400000030223020060a2b06010401b13e01640130123010060a2b0601040182373c0101030200c0140000000100000014000000e59d5930824758ccacfa085436867b3ab5044df01d0000000100000010000000918ad43a9475f78bb5243de886d8103c09000000010000000c000000300a06082b06010505070301030000000100000014000000d4de20d05e66fc53fe1a50882c78db2852cae47420000000010000007b030000308203773082025fa0030201020204020000b9300d06092a864886f70d0101050500305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f74301e170d3030303531323138343630305a170d3235303531323233353930305a305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f7430820122300d06092a864886f70d01010105000382010f003082010a0282010100a304bb22ab983d57e826729ab579d429e2e1e89580b1b0e35b8e2b299a64dfa15dedb009056ddb282ece62a262feb488da12eb38eb219dc0412b01527b8877d31c8fc7bab988b56a09e773e81140a7d1ccca628d2de58f0ba650d2a850c328eaf5ab25878a9a961ca967b83f0cd5f7f952132fc21bd57070f08fc012ca06cb9ae1d9ca337a77d6f8ecb9f16844424813d2c0c2a4ae5e60feb6a605fcb4dd075902d459189863f5a563e0900c7d5db2067af385eaebd403ae5e843e5fff15ed69bcf939367275cf77524df3c9902cb93de5c923533f1f2498215c079929bdc63aece76e863a6b97746333bd681831f0788d76bffc9e8e5d2a86a74d90dc271a390203010001a3453043301d0603551d0e04160414e59d5930824758ccacfa085436867b3ab5044df030120603551d130101ff040830060101ff020103300e0603551d0f0101ff040403020106300d06092a864886f70d01010505000382010100850c5d8ee46f51684205a0ddbb4f27258403bdf764fd2dd730e3a41017ebda2929b6793f76f6191323b8100af958a4d46170bd04616a128a17d50abdc5bc307cd6e90c258d86404feccca37e38c637114feddd68318e4cd2b30174eebe755e07481a7f70ff165c84c07985b805fd7fbe6511a30fc002b4f852373904d5a9317a18bfa02af41299f7a34582e33c5ef59d9eb5c89e7c2ec8a49e4e08144b6dfd706d6b1a63bd64e61fb7cef0f29f2ebb1bb7f250887392c2e2e3168d9a3202ab8e18dde91011ee7e35ab90af3e30947ad0333da7650ff5fc8e9e62cf47442c015dbb1db532d247d2382ed0fe81dc326a1eb5ee3cd5fce7811d19c32442ea6339a9	03e24f310d65ecbb34f8372e5a513ab1.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	03e24f310d65ecbb34f8372e5a513ab1.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1212	03e24f310d65ecbb34f8372e5a513ab1.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1212	03e24f310d65ecbb34f8372e5a513ab1.exe
2312	03e24f310d65ecbb34f8372e5a513ab1.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 2312	1212	03e24f310d65ecbb34f8372e5a513ab1.exe	16
PID 1212 wrote to memory of 2312	1212	03e24f310d65ecbb34f8372e5a513ab1.exe	16
PID 1212 wrote to memory of 2312	1212	03e24f310d65ecbb34f8372e5a513ab1.exe	16
PID 1212 wrote to memory of 2312	1212	03e24f310d65ecbb34f8372e5a513ab1.exe	16

C:\Users\Admin\AppData\Local\Temp\03e24f310d65ecbb34f8372e5a513ab1.exe
"C:\Users\Admin\AppData\Local\Temp\03e24f310d65ecbb34f8372e5a513ab1.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\03e24f310d65ecbb34f8372e5a513ab1.exe
  C:\Users\Admin\AppData\Local\Temp\03e24f310d65ecbb34f8372e5a513ab1.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2312

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\03e24f310d65ecbb34f8372e5a513ab1.exe

Filesize
382KB

MD5
6d20f6d7dc30e5fdde09bab96227966f

SHA1
6b020c63927da9053ce08802693791aeed91402c

SHA256
65cb9ed3a49739a3c50cc821e3e661c6b4949a1a7ca8ddfa76662f33cfe06640

SHA512
c905ec02f4d95b3e64e8fd597db092ff1e79a503fa97f2da79dd6b4e352b41eef4645c648c21785ec9a0d4bf53bf26726b1f6c7fc2fc79fda853035ecfe4cad0

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab2CAE.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2CC0.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/1212-1-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/1212-4-0x00000000014F0000-0x00000000015D8000-memory.dmp

Filesize
928KB

Download
memory/1212-0-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/1212-13-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/1212-15-0x0000000003200000-0x00000000032E8000-memory.dmp

Filesize
928KB

Download
memory/2312-17-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2312-23-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2312-24-0x0000000002F50000-0x000000000300B000-memory.dmp

Filesize
748KB

Download
memory/2312-19-0x00000000002E0000-0x00000000003C8000-memory.dmp

Filesize
928KB

Download
memory/2312-83-0x000000000EEA0000-0x000000000EF38000-memory.dmp

Filesize
608KB

Download
memory/2312-77-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download

Analysis

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