8c3db3d0b2a404d9aa62232d6aac516b1569f2919d3db8d5243c588c08755e39

General

Target

43f4f860117d86550503009fa0c3d915.exe
Size

385KB
MD5

43f4f860117d86550503009fa0c3d915
SHA1

ef5a12f37d0dc487da02372bb622f35c7e73916a
SHA256

8c3db3d0b2a404d9aa62232d6aac516b1569f2919d3db8d5243c588c08755e39
SHA512

430b960fd6ce942a6b16eab9d73db535b9f55d88c205bf74457573fa3dcd23b5e25fecb3ef84711f857c3748ab1cd83c7d828cc1f4bab7b64a53b1a08e021459
SSDEEP

6144:3Px49LB5Ya+fjsAzeUmoeTaeMnom/FQNaA5eDmSzPGclU3AxIWQ8N2FTvqP6bobB:/e9Vqa+wmsPmNWeLGPAx3sZvLUbB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2476	43f4f860117d86550503009fa0c3d915.exe

Executes dropped EXE 1 IoCs

pid	Process
2476	43f4f860117d86550503009fa0c3d915.exe

Loads dropped DLL 1 IoCs

pid	Process
2072	43f4f860117d86550503009fa0c3d915.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 = 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	43f4f860117d86550503009fa0c3d915.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	43f4f860117d86550503009fa0c3d915.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 0f0000000100000014000000ce0e658aa3e847e467a147b3049191093d055e6f0b0000000100000034000000420061006c00740069006d006f007200650020004300790062006500720054007200750073007400200052006f006f007400000053000000010000002400000030223020060a2b06010401b13e01640130123010060a2b0601040182373c0101030200c0140000000100000014000000e59d5930824758ccacfa085436867b3ab5044df01d0000000100000010000000918ad43a9475f78bb5243de886d8103c09000000010000000c000000300a06082b06010505070301030000000100000014000000d4de20d05e66fc53fe1a50882c78db2852cae47420000000010000007b030000308203773082025fa0030201020204020000b9300d06092a864886f70d0101050500305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f74301e170d3030303531323138343630305a170d3235303531323233353930305a305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f7430820122300d06092a864886f70d01010105000382010f003082010a0282010100a304bb22ab983d57e826729ab579d429e2e1e89580b1b0e35b8e2b299a64dfa15dedb009056ddb282ece62a262feb488da12eb38eb219dc0412b01527b8877d31c8fc7bab988b56a09e773e81140a7d1ccca628d2de58f0ba650d2a850c328eaf5ab25878a9a961ca967b83f0cd5f7f952132fc21bd57070f08fc012ca06cb9ae1d9ca337a77d6f8ecb9f16844424813d2c0c2a4ae5e60feb6a605fcb4dd075902d459189863f5a563e0900c7d5db2067af385eaebd403ae5e843e5fff15ed69bcf939367275cf77524df3c9902cb93de5c923533f1f2498215c079929bdc63aece76e863a6b97746333bd681831f0788d76bffc9e8e5d2a86a74d90dc271a390203010001a3453043301d0603551d0e04160414e59d5930824758ccacfa085436867b3ab5044df030120603551d130101ff040830060101ff020103300e0603551d0f0101ff040403020106300d06092a864886f70d01010505000382010100850c5d8ee46f51684205a0ddbb4f27258403bdf764fd2dd730e3a41017ebda2929b6793f76f6191323b8100af958a4d46170bd04616a128a17d50abdc5bc307cd6e90c258d86404feccca37e38c637114feddd68318e4cd2b30174eebe755e07481a7f70ff165c84c07985b805fd7fbe6511a30fc002b4f852373904d5a9317a18bfa02af41299f7a34582e33c5ef59d9eb5c89e7c2ec8a49e4e08144b6dfd706d6b1a63bd64e61fb7cef0f29f2ebb1bb7f250887392c2e2e3168d9a3202ab8e18dde91011ee7e35ab90af3e30947ad0333da7650ff5fc8e9e62cf47442c015dbb1db532d247d2382ed0fe81dc326a1eb5ee3cd5fce7811d19c32442ea6339a9	43f4f860117d86550503009fa0c3d915.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2072	43f4f860117d86550503009fa0c3d915.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2072	43f4f860117d86550503009fa0c3d915.exe
2476	43f4f860117d86550503009fa0c3d915.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2476	2072	43f4f860117d86550503009fa0c3d915.exe	16
PID 2072 wrote to memory of 2476	2072	43f4f860117d86550503009fa0c3d915.exe	16
PID 2072 wrote to memory of 2476	2072	43f4f860117d86550503009fa0c3d915.exe	16
PID 2072 wrote to memory of 2476	2072	43f4f860117d86550503009fa0c3d915.exe	16

C:\Users\Admin\AppData\Local\Temp\43f4f860117d86550503009fa0c3d915.exe
C:\Users\Admin\AppData\Local\Temp\43f4f860117d86550503009fa0c3d915.exe
1⤵
- Deletes itself
- Executes dropped EXE
- Modifies system certificate store
- Suspicious use of UnmapMainImage
PID:2476

C:\Users\Admin\AppData\Local\Temp\43f4f860117d86550503009fa0c3d915.exe
"C:\Users\Admin\AppData\Local\Temp\43f4f860117d86550503009fa0c3d915.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2072

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\43f4f860117d86550503009fa0c3d915.exe

Filesize
385KB

MD5
83eeb742cce2d06fc414ef8c329bf662

SHA1
e6713fb91444a5195cd46f682f0cc292c8716e2c

SHA256
9cc2c99a64c12b403dec9a3afad1bc043e7ba17e415775c10abe67de3276c835

SHA512
ae83e811ab3a49ad424aed1bf3ca3022a334e60a3b929361bd0485a05075e860ac92b4be29242d41047ed792f0850539cef7c1d6d40b1c8642e6d4f2256dd809

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab2657.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar266A.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/2072-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2072-16-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/2072-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2072-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2072-2-0x0000000000370000-0x00000000003D6000-memory.dmp

Filesize
408KB

Download
memory/2476-19-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2476-21-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2476-29-0x00000000002E0000-0x000000000033F000-memory.dmp

Filesize
380KB

Download
memory/2476-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2476-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2476-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2476-83-0x000000000ED10000-0x000000000ED4C000-memory.dmp

Filesize
240KB

Download

Analysis

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