f76582fd23760954b5d70214fad0f30431784eee038344bd6379514910ea5a62

General

Target

5c1c1ef936ea55e2b3044d3f81d742e2.exe
Size

385KB
MD5

5c1c1ef936ea55e2b3044d3f81d742e2
SHA1

909cab33c686cf2e72dada529d0411f834d0627a
SHA256

f76582fd23760954b5d70214fad0f30431784eee038344bd6379514910ea5a62
SHA512

7f3f3702856ac7cb1c5ee6bcb6057a6a7631c94aac85ff40654822210e8862a34bbcc6b1869a08e5b61c491e664a72c641dc9de96f5b0172b2234afec9e828dd
SSDEEP

12288:x+e5c18/achlpPRj+8oXIca9UjaJUCjpCHbLfL9eB:tODM+8oXIXAaWbNeB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2900	5c1c1ef936ea55e2b3044d3f81d742e2.exe

Executes dropped EXE 1 IoCs

pid	Process
2900	5c1c1ef936ea55e2b3044d3f81d742e2.exe

Loads dropped DLL 1 IoCs

pid	Process
3036	5c1c1ef936ea55e2b3044d3f81d742e2.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 = 0f0000000100000014000000ce0e658aa3e847e467a147b3049191093d055e6f0b0000000100000034000000420061006c00740069006d006f007200650020004300790062006500720054007200750073007400200052006f006f007400000053000000010000002400000030223020060a2b06010401b13e01640130123010060a2b0601040182373c0101030200c0140000000100000014000000e59d5930824758ccacfa085436867b3ab5044df01d0000000100000010000000918ad43a9475f78bb5243de886d8103c09000000010000000c000000300a06082b06010505070301030000000100000014000000d4de20d05e66fc53fe1a50882c78db2852cae47420000000010000007b030000308203773082025fa0030201020204020000b9300d06092a864886f70d0101050500305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f74301e170d3030303531323138343630305a170d3235303531323233353930305a305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f7430820122300d06092a864886f70d01010105000382010f003082010a0282010100a304bb22ab983d57e826729ab579d429e2e1e89580b1b0e35b8e2b299a64dfa15dedb009056ddb282ece62a262feb488da12eb38eb219dc0412b01527b8877d31c8fc7bab988b56a09e773e81140a7d1ccca628d2de58f0ba650d2a850c328eaf5ab25878a9a961ca967b83f0cd5f7f952132fc21bd57070f08fc012ca06cb9ae1d9ca337a77d6f8ecb9f16844424813d2c0c2a4ae5e60feb6a605fcb4dd075902d459189863f5a563e0900c7d5db2067af385eaebd403ae5e843e5fff15ed69bcf939367275cf77524df3c9902cb93de5c923533f1f2498215c079929bdc63aece76e863a6b97746333bd681831f0788d76bffc9e8e5d2a86a74d90dc271a390203010001a3453043301d0603551d0e04160414e59d5930824758ccacfa085436867b3ab5044df030120603551d130101ff040830060101ff020103300e0603551d0f0101ff040403020106300d06092a864886f70d01010505000382010100850c5d8ee46f51684205a0ddbb4f27258403bdf764fd2dd730e3a41017ebda2929b6793f76f6191323b8100af958a4d46170bd04616a128a17d50abdc5bc307cd6e90c258d86404feccca37e38c637114feddd68318e4cd2b30174eebe755e07481a7f70ff165c84c07985b805fd7fbe6511a30fc002b4f852373904d5a9317a18bfa02af41299f7a34582e33c5ef59d9eb5c89e7c2ec8a49e4e08144b6dfd706d6b1a63bd64e61fb7cef0f29f2ebb1bb7f250887392c2e2e3168d9a3202ab8e18dde91011ee7e35ab90af3e30947ad0333da7650ff5fc8e9e62cf47442c015dbb1db532d247d2382ed0fe81dc326a1eb5ee3cd5fce7811d19c32442ea6339a9	5c1c1ef936ea55e2b3044d3f81d742e2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 19000000010000001000000068cb42b035ea773e52ef50ecf50ec529030000000100000014000000d4de20d05e66fc53fe1a50882c78db2852cae47409000000010000000c000000300a06082b060105050703011d0000000100000010000000918ad43a9475f78bb5243de886d8103c140000000100000014000000e59d5930824758ccacfa085436867b3ab5044df053000000010000002400000030223020060a2b06010401b13e01640130123010060a2b0601040182373c0101030200c00b0000000100000034000000420061006c00740069006d006f007200650020004300790062006500720054007200750073007400200052006f006f00740000000f0000000100000014000000ce0e658aa3e847e467a147b3049191093d055e6f20000000010000007b030000308203773082025fa0030201020204020000b9300d06092a864886f70d0101050500305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f74301e170d3030303531323138343630305a170d3235303531323233353930305a305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f7430820122300d06092a864886f70d01010105000382010f003082010a0282010100a304bb22ab983d57e826729ab579d429e2e1e89580b1b0e35b8e2b299a64dfa15dedb009056ddb282ece62a262feb488da12eb38eb219dc0412b01527b8877d31c8fc7bab988b56a09e773e81140a7d1ccca628d2de58f0ba650d2a850c328eaf5ab25878a9a961ca967b83f0cd5f7f952132fc21bd57070f08fc012ca06cb9ae1d9ca337a77d6f8ecb9f16844424813d2c0c2a4ae5e60feb6a605fcb4dd075902d459189863f5a563e0900c7d5db2067af385eaebd403ae5e843e5fff15ed69bcf939367275cf77524df3c9902cb93de5c923533f1f2498215c079929bdc63aece76e863a6b97746333bd681831f0788d76bffc9e8e5d2a86a74d90dc271a390203010001a3453043301d0603551d0e04160414e59d5930824758ccacfa085436867b3ab5044df030120603551d130101ff040830060101ff020103300e0603551d0f0101ff040403020106300d06092a864886f70d01010505000382010100850c5d8ee46f51684205a0ddbb4f27258403bdf764fd2dd730e3a41017ebda2929b6793f76f6191323b8100af958a4d46170bd04616a128a17d50abdc5bc307cd6e90c258d86404feccca37e38c637114feddd68318e4cd2b30174eebe755e07481a7f70ff165c84c07985b805fd7fbe6511a30fc002b4f852373904d5a9317a18bfa02af41299f7a34582e33c5ef59d9eb5c89e7c2ec8a49e4e08144b6dfd706d6b1a63bd64e61fb7cef0f29f2ebb1bb7f250887392c2e2e3168d9a3202ab8e18dde91011ee7e35ab90af3e30947ad0333da7650ff5fc8e9e62cf47442c015dbb1db532d247d2382ed0fe81dc326a1eb5ee3cd5fce7811d19c32442ea6339a9	5c1c1ef936ea55e2b3044d3f81d742e2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	5c1c1ef936ea55e2b3044d3f81d742e2.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3036	5c1c1ef936ea55e2b3044d3f81d742e2.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3036	5c1c1ef936ea55e2b3044d3f81d742e2.exe
2900	5c1c1ef936ea55e2b3044d3f81d742e2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2900	3036	5c1c1ef936ea55e2b3044d3f81d742e2.exe	28
PID 3036 wrote to memory of 2900	3036	5c1c1ef936ea55e2b3044d3f81d742e2.exe	28
PID 3036 wrote to memory of 2900	3036	5c1c1ef936ea55e2b3044d3f81d742e2.exe	28
PID 3036 wrote to memory of 2900	3036	5c1c1ef936ea55e2b3044d3f81d742e2.exe	28

C:\Users\Admin\AppData\Local\Temp\5c1c1ef936ea55e2b3044d3f81d742e2.exe
"C:\Users\Admin\AppData\Local\Temp\5c1c1ef936ea55e2b3044d3f81d742e2.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Users\Admin\AppData\Local\Temp\5c1c1ef936ea55e2b3044d3f81d742e2.exe
  C:\Users\Admin\AppData\Local\Temp\5c1c1ef936ea55e2b3044d3f81d742e2.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2900

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\Cab11DE.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar11F0.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\5c1c1ef936ea55e2b3044d3f81d742e2.exe

Filesize
385KB

MD5
22c569581d58ecacf89f741a8ff6694d

SHA1
533aa347aaea1660ca0a0be36d20fab15e429ef4

SHA256
b5a246a6464136cf6adb593ad30511ba21b9fac5b5d9dd5af3d0f08127589c6f

SHA512
7c3ea55aa9df7966161881cd2d0ce3e9cbfc2d54f65fb7e6e8e5a12b7162687e44b4530acd875ca5ec19125589b151bb12ac089ee91b9d874868b1614d6ed0f0

Download Submit
memory/2900-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2900-19-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2900-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2900-28-0x00000000002E0000-0x000000000033F000-memory.dmp

Filesize
380KB

Download
memory/2900-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2900-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2900-82-0x00000000095F0000-0x000000000962C000-memory.dmp

Filesize
240KB

Download
memory/3036-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3036-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3036-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3036-2-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download

Analysis

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