a4b0bc18733c1f407ff47f492d3f9c14b19e336f9b49b7984e947923df04283a

General

Target

3b0c097bb30396d26b3cfa4d06da47fb.exe
Size

385KB
MD5

3b0c097bb30396d26b3cfa4d06da47fb
SHA1

90db119e3986bf32d71619d89494bdee0007c116
SHA256

a4b0bc18733c1f407ff47f492d3f9c14b19e336f9b49b7984e947923df04283a
SHA512

86216f22b380a3e3e5a364180e7c749208c2035b87663ffd039039cd20c0e78f8e644f199c4689ccce367df42be68eecbd7fbece2cb510c425c1b880cb67ec1d
SSDEEP

12288:vgR27WNZF9zKakxUmRklPX4I7xjtgmaCVbAHUsJNB:vNaNZF9wUmihD70makbAH/bB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1800	3b0c097bb30396d26b3cfa4d06da47fb.exe

Executes dropped EXE 1 IoCs

pid	Process
1800	3b0c097bb30396d26b3cfa4d06da47fb.exe

Loads dropped DLL 1 IoCs

pid	Process
1796	3b0c097bb30396d26b3cfa4d06da47fb.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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 19000000010000001000000068cb42b035ea773e52ef50ecf50ec529030000000100000014000000d4de20d05e66fc53fe1a50882c78db2852cae47409000000010000000c000000300a06082b060105050703011d0000000100000010000000918ad43a9475f78bb5243de886d8103c140000000100000014000000e59d5930824758ccacfa085436867b3ab5044df053000000010000002400000030223020060a2b06010401b13e01640130123010060a2b0601040182373c0101030200c00b0000000100000034000000420061006c00740069006d006f007200650020004300790062006500720054007200750073007400200052006f006f00740000000f0000000100000014000000ce0e658aa3e847e467a147b3049191093d055e6f20000000010000007b030000308203773082025fa0030201020204020000b9300d06092a864886f70d0101050500305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f74301e170d3030303531323138343630305a170d3235303531323233353930305a305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f7430820122300d06092a864886f70d01010105000382010f003082010a0282010100a304bb22ab983d57e826729ab579d429e2e1e89580b1b0e35b8e2b299a64dfa15dedb009056ddb282ece62a262feb488da12eb38eb219dc0412b01527b8877d31c8fc7bab988b56a09e773e81140a7d1ccca628d2de58f0ba650d2a850c328eaf5ab25878a9a961ca967b83f0cd5f7f952132fc21bd57070f08fc012ca06cb9ae1d9ca337a77d6f8ecb9f16844424813d2c0c2a4ae5e60feb6a605fcb4dd075902d459189863f5a563e0900c7d5db2067af385eaebd403ae5e843e5fff15ed69bcf939367275cf77524df3c9902cb93de5c923533f1f2498215c079929bdc63aece76e863a6b97746333bd681831f0788d76bffc9e8e5d2a86a74d90dc271a390203010001a3453043301d0603551d0e04160414e59d5930824758ccacfa085436867b3ab5044df030120603551d130101ff040830060101ff020103300e0603551d0f0101ff040403020106300d06092a864886f70d01010505000382010100850c5d8ee46f51684205a0ddbb4f27258403bdf764fd2dd730e3a41017ebda2929b6793f76f6191323b8100af958a4d46170bd04616a128a17d50abdc5bc307cd6e90c258d86404feccca37e38c637114feddd68318e4cd2b30174eebe755e07481a7f70ff165c84c07985b805fd7fbe6511a30fc002b4f852373904d5a9317a18bfa02af41299f7a34582e33c5ef59d9eb5c89e7c2ec8a49e4e08144b6dfd706d6b1a63bd64e61fb7cef0f29f2ebb1bb7f250887392c2e2e3168d9a3202ab8e18dde91011ee7e35ab90af3e30947ad0333da7650ff5fc8e9e62cf47442c015dbb1db532d247d2382ed0fe81dc326a1eb5ee3cd5fce7811d19c32442ea6339a9	3b0c097bb30396d26b3cfa4d06da47fb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	3b0c097bb30396d26b3cfa4d06da47fb.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	3b0c097bb30396d26b3cfa4d06da47fb.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1796	3b0c097bb30396d26b3cfa4d06da47fb.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1796	3b0c097bb30396d26b3cfa4d06da47fb.exe
1800	3b0c097bb30396d26b3cfa4d06da47fb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 1800	1796	3b0c097bb30396d26b3cfa4d06da47fb.exe	28
PID 1796 wrote to memory of 1800	1796	3b0c097bb30396d26b3cfa4d06da47fb.exe	28
PID 1796 wrote to memory of 1800	1796	3b0c097bb30396d26b3cfa4d06da47fb.exe	28
PID 1796 wrote to memory of 1800	1796	3b0c097bb30396d26b3cfa4d06da47fb.exe	28

C:\Users\Admin\AppData\Local\Temp\3b0c097bb30396d26b3cfa4d06da47fb.exe
"C:\Users\Admin\AppData\Local\Temp\3b0c097bb30396d26b3cfa4d06da47fb.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Users\Admin\AppData\Local\Temp\3b0c097bb30396d26b3cfa4d06da47fb.exe
  C:\Users\Admin\AppData\Local\Temp\3b0c097bb30396d26b3cfa4d06da47fb.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:1800

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\Cab98C8.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar9919.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\3b0c097bb30396d26b3cfa4d06da47fb.exe

Filesize
385KB

MD5
6d68d4b94080f92134a4cca17c78f19d

SHA1
60f3f1430ee0aaafe7504157bdc4b73c8f196ed6

SHA256
d780f645d048463b28a63c4ec3c843439c8708863640ab66ecc1cb8c66a9b70a

SHA512
e5373088f2564e4d95bbf1e5330db71d43058f9fe3c865bcd903a9e6adbb10d78d2901754a21d3abb59f98c6f403db1f4988cddeb9570c8671f43a009e3c27a2

Download Submit
memory/1796-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1796-4-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/1796-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1796-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1796-11-0x0000000002E20000-0x0000000002E86000-memory.dmp

Filesize
408KB

Download
memory/1800-20-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1800-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1800-24-0x0000000002CA0000-0x0000000002CFF000-memory.dmp

Filesize
380KB

Download
memory/1800-17-0x0000000000220000-0x0000000000286000-memory.dmp

Filesize
408KB

Download
memory/1800-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1800-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1800-83-0x0000000008A50000-0x0000000008A8C000-memory.dmp

Filesize
240KB

Download

Analysis

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