383720aefbe3fe7df8863a3335afd3d2dcc5e0350a5da7e2c11df9de972751fc

General

Target

03819667b151d27c02bea10f95417e67.exe
Size

385KB
MD5

03819667b151d27c02bea10f95417e67
SHA1

d19f6726921bb887d4ff2956913c2e6a997627c9
SHA256

383720aefbe3fe7df8863a3335afd3d2dcc5e0350a5da7e2c11df9de972751fc
SHA512

d02df4df170c6bf153dbab6e116b646c308c13681a6106e05a0d13877287396270aa4be46d0e6b0a8677ac6d1909e5915829766aed5d66ae9835c83c123bd3c1
SSDEEP

6144:ZuBf3zdr+1zFJ57af1renZ8v1xxnXgE61SYqYVZPPm5m6c+HeHj9B:gBr81z1Ere2ZXgEKqYx6yHj9B

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2076	03819667b151d27c02bea10f95417e67.exe

Executes dropped EXE 1 IoCs

pid	Process
2076	03819667b151d27c02bea10f95417e67.exe

Loads dropped DLL 1 IoCs

pid	Process
356	03819667b151d27c02bea10f95417e67.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	03819667b151d27c02bea10f95417e67.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 0f0000000100000014000000ce0e658aa3e847e467a147b3049191093d055e6f0b0000000100000034000000420061006c00740069006d006f007200650020004300790062006500720054007200750073007400200052006f006f007400000053000000010000002400000030223020060a2b06010401b13e01640130123010060a2b0601040182373c0101030200c0140000000100000014000000e59d5930824758ccacfa085436867b3ab5044df01d0000000100000010000000918ad43a9475f78bb5243de886d8103c09000000010000000c000000300a06082b06010505070301030000000100000014000000d4de20d05e66fc53fe1a50882c78db2852cae47420000000010000007b030000308203773082025fa0030201020204020000b9300d06092a864886f70d0101050500305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f74301e170d3030303531323138343630305a170d3235303531323233353930305a305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f7430820122300d06092a864886f70d01010105000382010f003082010a0282010100a304bb22ab983d57e826729ab579d429e2e1e89580b1b0e35b8e2b299a64dfa15dedb009056ddb282ece62a262feb488da12eb38eb219dc0412b01527b8877d31c8fc7bab988b56a09e773e81140a7d1ccca628d2de58f0ba650d2a850c328eaf5ab25878a9a961ca967b83f0cd5f7f952132fc21bd57070f08fc012ca06cb9ae1d9ca337a77d6f8ecb9f16844424813d2c0c2a4ae5e60feb6a605fcb4dd075902d459189863f5a563e0900c7d5db2067af385eaebd403ae5e843e5fff15ed69bcf939367275cf77524df3c9902cb93de5c923533f1f2498215c079929bdc63aece76e863a6b97746333bd681831f0788d76bffc9e8e5d2a86a74d90dc271a390203010001a3453043301d0603551d0e04160414e59d5930824758ccacfa085436867b3ab5044df030120603551d130101ff040830060101ff020103300e0603551d0f0101ff040403020106300d06092a864886f70d01010505000382010100850c5d8ee46f51684205a0ddbb4f27258403bdf764fd2dd730e3a41017ebda2929b6793f76f6191323b8100af958a4d46170bd04616a128a17d50abdc5bc307cd6e90c258d86404feccca37e38c637114feddd68318e4cd2b30174eebe755e07481a7f70ff165c84c07985b805fd7fbe6511a30fc002b4f852373904d5a9317a18bfa02af41299f7a34582e33c5ef59d9eb5c89e7c2ec8a49e4e08144b6dfd706d6b1a63bd64e61fb7cef0f29f2ebb1bb7f250887392c2e2e3168d9a3202ab8e18dde91011ee7e35ab90af3e30947ad0333da7650ff5fc8e9e62cf47442c015dbb1db532d247d2382ed0fe81dc326a1eb5ee3cd5fce7811d19c32442ea6339a9	03819667b151d27c02bea10f95417e67.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	03819667b151d27c02bea10f95417e67.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
356	03819667b151d27c02bea10f95417e67.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
356	03819667b151d27c02bea10f95417e67.exe
2076	03819667b151d27c02bea10f95417e67.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 356 wrote to memory of 2076	356	03819667b151d27c02bea10f95417e67.exe	16
PID 356 wrote to memory of 2076	356	03819667b151d27c02bea10f95417e67.exe	16
PID 356 wrote to memory of 2076	356	03819667b151d27c02bea10f95417e67.exe	16
PID 356 wrote to memory of 2076	356	03819667b151d27c02bea10f95417e67.exe	16

C:\Users\Admin\AppData\Local\Temp\03819667b151d27c02bea10f95417e67.exe
C:\Users\Admin\AppData\Local\Temp\03819667b151d27c02bea10f95417e67.exe
1⤵
- Deletes itself
- Executes dropped EXE
- Modifies system certificate store
- Suspicious use of UnmapMainImage
PID:2076

C:\Users\Admin\AppData\Local\Temp\03819667b151d27c02bea10f95417e67.exe
"C:\Users\Admin\AppData\Local\Temp\03819667b151d27c02bea10f95417e67.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:356

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

memory/356-2-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/356-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/356-16-0x0000000000200000-0x0000000000266000-memory.dmp

Filesize
408KB

Download
memory/356-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/356-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2076-18-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2076-20-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2076-27-0x0000000002CD0000-0x0000000002D2F000-memory.dmp

Filesize
380KB

Download
memory/2076-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2076-83-0x000000000D6E0000-0x000000000D71C000-memory.dmp

Filesize
240KB

Download
memory/2076-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2076-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2076-84-0x000000000D6E0000-0x000000000D71C000-memory.dmp

Filesize
240KB

Download

Analysis

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