6537df3bc5e433af707e92fac23d798cf609743435465c83a6adce0714c9b6a6

General

Target

4dbef2307682edfb4fa38bc078695e5e.exe
Size

385KB
MD5

4dbef2307682edfb4fa38bc078695e5e
SHA1

e030ce809249da8d9879a21bf3189dcb9f7329e9
SHA256

6537df3bc5e433af707e92fac23d798cf609743435465c83a6adce0714c9b6a6
SHA512

b959c1e0841a7da6ea9339e7514a5eb7256f09b7f5243c65ea9811804f72bca3d2ad7219fca3dd0453d317757985d02d5302ce830452844638d3b56e20d46c9c
SSDEEP

12288:XrfQdSlgrYi/UKW7E2BHxtMZRqGXsAIqB:8olQYuUb7ntxtQBXs5qB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2948	4dbef2307682edfb4fa38bc078695e5e.exe

Executes dropped EXE 1 IoCs

pid	Process
2948	4dbef2307682edfb4fa38bc078695e5e.exe

Loads dropped DLL 1 IoCs

pid	Process
2884	4dbef2307682edfb4fa38bc078695e5e.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	4dbef2307682edfb4fa38bc078695e5e.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	4dbef2307682edfb4fa38bc078695e5e.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 19000000010000001000000068cb42b035ea773e52ef50ecf50ec529030000000100000014000000d4de20d05e66fc53fe1a50882c78db2852cae47409000000010000000c000000300a06082b060105050703011d0000000100000010000000918ad43a9475f78bb5243de886d8103c140000000100000014000000e59d5930824758ccacfa085436867b3ab5044df053000000010000002400000030223020060a2b06010401b13e01640130123010060a2b0601040182373c0101030200c00b0000000100000034000000420061006c00740069006d006f007200650020004300790062006500720054007200750073007400200052006f006f00740000000f0000000100000014000000ce0e658aa3e847e467a147b3049191093d055e6f20000000010000007b030000308203773082025fa0030201020204020000b9300d06092a864886f70d0101050500305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f74301e170d3030303531323138343630305a170d3235303531323233353930305a305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f7430820122300d06092a864886f70d01010105000382010f003082010a0282010100a304bb22ab983d57e826729ab579d429e2e1e89580b1b0e35b8e2b299a64dfa15dedb009056ddb282ece62a262feb488da12eb38eb219dc0412b01527b8877d31c8fc7bab988b56a09e773e81140a7d1ccca628d2de58f0ba650d2a850c328eaf5ab25878a9a961ca967b83f0cd5f7f952132fc21bd57070f08fc012ca06cb9ae1d9ca337a77d6f8ecb9f16844424813d2c0c2a4ae5e60feb6a605fcb4dd075902d459189863f5a563e0900c7d5db2067af385eaebd403ae5e843e5fff15ed69bcf939367275cf77524df3c9902cb93de5c923533f1f2498215c079929bdc63aece76e863a6b97746333bd681831f0788d76bffc9e8e5d2a86a74d90dc271a390203010001a3453043301d0603551d0e04160414e59d5930824758ccacfa085436867b3ab5044df030120603551d130101ff040830060101ff020103300e0603551d0f0101ff040403020106300d06092a864886f70d01010505000382010100850c5d8ee46f51684205a0ddbb4f27258403bdf764fd2dd730e3a41017ebda2929b6793f76f6191323b8100af958a4d46170bd04616a128a17d50abdc5bc307cd6e90c258d86404feccca37e38c637114feddd68318e4cd2b30174eebe755e07481a7f70ff165c84c07985b805fd7fbe6511a30fc002b4f852373904d5a9317a18bfa02af41299f7a34582e33c5ef59d9eb5c89e7c2ec8a49e4e08144b6dfd706d6b1a63bd64e61fb7cef0f29f2ebb1bb7f250887392c2e2e3168d9a3202ab8e18dde91011ee7e35ab90af3e30947ad0333da7650ff5fc8e9e62cf47442c015dbb1db532d247d2382ed0fe81dc326a1eb5ee3cd5fce7811d19c32442ea6339a9	4dbef2307682edfb4fa38bc078695e5e.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2884	4dbef2307682edfb4fa38bc078695e5e.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2884	4dbef2307682edfb4fa38bc078695e5e.exe
2948	4dbef2307682edfb4fa38bc078695e5e.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2948	2884	4dbef2307682edfb4fa38bc078695e5e.exe	13
PID 2884 wrote to memory of 2948	2884	4dbef2307682edfb4fa38bc078695e5e.exe	13
PID 2884 wrote to memory of 2948	2884	4dbef2307682edfb4fa38bc078695e5e.exe	13
PID 2884 wrote to memory of 2948	2884	4dbef2307682edfb4fa38bc078695e5e.exe	13

C:\Users\Admin\AppData\Local\Temp\4dbef2307682edfb4fa38bc078695e5e.exe
"C:\Users\Admin\AppData\Local\Temp\4dbef2307682edfb4fa38bc078695e5e.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Users\Admin\AppData\Local\Temp\4dbef2307682edfb4fa38bc078695e5e.exe
  C:\Users\Admin\AppData\Local\Temp\4dbef2307682edfb4fa38bc078695e5e.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2948

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\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1B14.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/2884-14-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/2884-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2884-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2884-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2884-2-0x0000000000370000-0x00000000003D6000-memory.dmp

Filesize
408KB

Download
memory/2948-17-0x0000000000310000-0x0000000000376000-memory.dmp

Filesize
408KB

Download
memory/2948-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2948-28-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

Download
memory/2948-20-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2948-87-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2948-88-0x00000000075A0000-0x00000000075DC000-memory.dmp

Filesize
240KB

Download
memory/2948-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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