606e0023221caffd6ed87ecd56aba6b7c6f46c8893c5e4d934b8765479738886

General

Target

b18fc5b66f543a4f3f73fdf03816b824.exe
Size

133KB
MD5

b18fc5b66f543a4f3f73fdf03816b824
SHA1

3d19cf51d825acd3ca991f0908c7bbf08280b899
SHA256

606e0023221caffd6ed87ecd56aba6b7c6f46c8893c5e4d934b8765479738886
SHA512

356b5cd58ac453a038f1c71931c82a180910603085717d563288b9856aa67470a3200116e4c56edb391715338182227b7e17b7f742b67f6eb99f8d7513dac47e
SSDEEP

3072:fm64j7rCnrVZ7OBhpLsL5nb+0FoRc31L1tK/vfSd9J4emQ:fm6mCnJZ7OjpYdbf+Rcp+3AxmQ

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2788	b18fc5b66f543a4f3f73fdf03816b824.exe

Executes dropped EXE 1 IoCs

pid	Process
2788	b18fc5b66f543a4f3f73fdf03816b824.exe

Loads dropped DLL 1 IoCs

pid	Process
2484	b18fc5b66f543a4f3f73fdf03816b824.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2484-0-0x0000000000400000-0x0000000000486000-memory.dmp	upx
behavioral1/files/0x000a00000001225a-11.dat	upx
behavioral1/memory/2788-16-0x0000000000400000-0x0000000000486000-memory.dmp	upx
behavioral1/files/0x000a00000001225a-15.dat	upx

Modifies system certificate store 2 TTPs 4 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405\Blob = 030000000100000014000000a053375bfe84e8b748782c7cee15827a6af5a405140000000100000014000000142eb317b75856cbae500940e61faf9d8b14c2c6040000000100000010000000e829e65d7c4307d6fbc13c179e037a360f0000000100000020000000444ebd67bb83f8807b3921e938ac9178b882bd50aadb11231f044cf5f08df7ce190000000100000010000000f044424c506513d62804c04f719403f91800000001000000100000002fe1f70bb05d7c92335bc5e05b984da620000000010000001a05000030820516308202fea003020102021100912b084acf0c18a753f6d62e25a75f5a300d06092a864886f70d01010b0500304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f74205831301e170d3230303930343030303030305a170d3235303931353136303030305a3032310b300906035504061302555331163014060355040a130d4c6574277320456e6372797074310b300906035504031302523330820122300d06092a864886f70d01010105000382010f003082010a0282010100bb021528ccf6a094d30f12ec8d5592c3f882f199a67a4288a75d26aab52bb9c54cb1af8e6bf975c8a3d70f4794145535578c9ea8a23919f5823c42a94e6ef53bc32edb8dc0b05cf35938e7edcf69f05a0b1bbec094242587fa3771b313e71cace19befdbe43b45524596a9c153ce34c852eeb5aeed8fde6070e2a554abb66d0e97a540346b2bd3bc66eb66347cfa6b8b8f572999f830175dba726ffb81c5add286583d17c7e709bbf12bf786dcc1da715dd446e3ccad25c188bc60677566b3f118f7a25ce653ff3a88b647a5ff1318ea9809773f9d53f9cf01e5f5a6701714af63a4ff99b3939ddc53a706fe48851da169ae2575bb13cc5203f5ed51a18bdb150203010001a382010830820104300e0603551d0f0101ff040403020186301d0603551d250416301406082b0601050507030206082b0601050507030130120603551d130101ff040830060101ff020100301d0603551d0e04160414142eb317b75856cbae500940e61faf9d8b14c2c6301f0603551d2304183016801479b459e67bb6e5e40173800888c81a58f6e99b6e303206082b0601050507010104263024302206082b060105050730028616687474703a2f2f78312e692e6c656e63722e6f72672f30270603551d1f0420301e301ca01aa0188616687474703a2f2f78312e632e6c656e63722e6f72672f30220603551d20041b30193008060667810c010201300d060b2b0601040182df13010101300d06092a864886f70d01010b0500038202010085ca4e473ea3f7854485bcd56778b29863ad754d1e963d336572542d81a0eac3edf820bf5fccb77000b76e3bf65e94dee4209fa6ef8bb203e7a2b5163c91ceb4ed3902e77c258a47e6656e3f46f4d9f0ce942bee54ce12bc8c274bb8c1982fa2afcd71914a08b7c8b8237b042d08f908573e83d904330a472178098227c32ac89bb9ce5cf264c8c0be79c04f8e6d440c5e92bb2ef78b10e1e81d4429db5920ed63b921f81226949357a01d6504c10a22ae100d4397a1181f7ee0e08637b55ab1bd30bf876e2b2aff214e1b05c3f51897f05eacc3a5b86af02ebc3b33b9ee4bdeccfce4af840b863fc0554336f668e136176a8e99d1ffa540a734b7c0d063393539756ef2ba76c89302e9a94b6c17ce0c02d9bd81fb9fb768d40665b3823d7753f88e7903ad0a3107752a43d8559772c4290ef7c45d4ec8ae468430d7f2855f18a179bbe75e708b07e18693c3b98fdc6171252aafdfed255052688b92dce5d6b5e3da7dd0876c842131ae82f5fbb9abc889173de14ce5380ef6bd2bbd968114ebd5db3d20a77e59d3e2f858f95bb848cdfe5c4f1629fe1e5523afc811b08dea7c9390172ffdaca20947463ff0e9b0b7ff284d6832d6675e1e69a393b8f59d8b2f0bd25243a66f3257654d3281df3853855d7e5d6629eab8dde495b5cdb5561242cdc44ec6253844506decce005518fee94964d44eca979cb45bc073a8abb847c2	b18fc5b66f543a4f3f73fdf03816b824.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	b18fc5b66f543a4f3f73fdf03816b824.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	b18fc5b66f543a4f3f73fdf03816b824.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405	b18fc5b66f543a4f3f73fdf03816b824.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2484	b18fc5b66f543a4f3f73fdf03816b824.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2484	b18fc5b66f543a4f3f73fdf03816b824.exe
2788	b18fc5b66f543a4f3f73fdf03816b824.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 2788	2484	b18fc5b66f543a4f3f73fdf03816b824.exe	29
PID 2484 wrote to memory of 2788	2484	b18fc5b66f543a4f3f73fdf03816b824.exe	29
PID 2484 wrote to memory of 2788	2484	b18fc5b66f543a4f3f73fdf03816b824.exe	29
PID 2484 wrote to memory of 2788	2484	b18fc5b66f543a4f3f73fdf03816b824.exe	29

C:\Users\Admin\AppData\Local\Temp\b18fc5b66f543a4f3f73fdf03816b824.exe
"C:\Users\Admin\AppData\Local\Temp\b18fc5b66f543a4f3f73fdf03816b824.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Users\Admin\AppData\Local\Temp\b18fc5b66f543a4f3f73fdf03816b824.exe
  C:\Users\Admin\AppData\Local\Temp\b18fc5b66f543a4f3f73fdf03816b824.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2788

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

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\b18fc5b66f543a4f3f73fdf03816b824.exe

Filesize
133KB

MD5
5a414dd0cea2ccb6d0eeb574eae28414

SHA1
c2778d1f34292cd677a5e8fdf3bd749519989bb3

SHA256
9893db0d515ce8e87f37d24eb7b4ec05ec02ead60040cf215c88a5232c3d1ffe

SHA512
5fbea3c39302df850428c73e90a6b4f4cb0e0b904e2571fb775c01250c49e98a8e3088c992051cefbc7e4ddfd3a2f3a4cfaa4044249b8066b69b09850b298dc8

Download Submit
\Users\Admin\AppData\Local\Temp\b18fc5b66f543a4f3f73fdf03816b824.exe

Filesize
64KB

MD5
25f641be704078f7a7831e3ef81c8c70

SHA1
8a9e018cdfe888501889f55453392f55fbf882a4

SHA256
82a4a32cb7135e0a43ec0dfbd63b4044e2743adbcd4677756df079ff9d2e5cac

SHA512
5fb6ec89faed0e617b926cd1329f11595d0f8d6776ce9e73fa271abf51b173e0bc2814017e8c63e396263a1c53163e93b491122abf2a87d62835b228387f8776

Download Submit
memory/2484-0-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2484-2-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2484-1-0x0000000000150000-0x0000000000171000-memory.dmp

Filesize
132KB

Download
memory/2484-14-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2788-16-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2788-17-0x00000000001D0000-0x00000000001F1000-memory.dmp

Filesize
132KB

Download
memory/2788-42-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download

Analysis

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