db741ec3f31b3502200652b198c3e693668980cb47f53ffca3f4d3fc59b1da5c

General

Target

c843281523eb16e32fd9c918c6154606.exe
Size

385KB
MD5

c843281523eb16e32fd9c918c6154606
SHA1

337dfdad1b9b471e95025f4bb7279da2fd5a93ee
SHA256

db741ec3f31b3502200652b198c3e693668980cb47f53ffca3f4d3fc59b1da5c
SHA512

b44a9a606907d3c0f820269fe96ebf5e140178a715d0c103b02f9c2f8957793924a2095b59e9ee1fdcd4dd038e1ee203d6b5309d0a448f5ee5a2fdcd7621d26c
SSDEEP

6144:8K+0L4Lvqq/efpOfkW2UKdOBPs79M1hiF6KzeIyqOBo1bualVPpLXWV0luxCwBd8:Y0evfeRlKSSPba4Iy1mtZXWV0yCTB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1892	c843281523eb16e32fd9c918c6154606.exe

Executes dropped EXE 1 IoCs

pid	Process
1892	c843281523eb16e32fd9c918c6154606.exe

Loads dropped DLL 1 IoCs

pid	Process
2808	c843281523eb16e32fd9c918c6154606.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
3	pastebin.com
5	pastebin.com

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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	c843281523eb16e32fd9c918c6154606.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 19000000010000001000000068cb42b035ea773e52ef50ecf50ec529030000000100000014000000d4de20d05e66fc53fe1a50882c78db2852cae47409000000010000000c000000300a06082b060105050703011d0000000100000010000000918ad43a9475f78bb5243de886d8103c140000000100000014000000e59d5930824758ccacfa085436867b3ab5044df053000000010000002400000030223020060a2b06010401b13e01640130123010060a2b0601040182373c0101030200c00b0000000100000034000000420061006c00740069006d006f007200650020004300790062006500720054007200750073007400200052006f006f00740000000f0000000100000014000000ce0e658aa3e847e467a147b3049191093d055e6f20000000010000007b030000308203773082025fa0030201020204020000b9300d06092a864886f70d0101050500305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f74301e170d3030303531323138343630305a170d3235303531323233353930305a305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f7430820122300d06092a864886f70d01010105000382010f003082010a0282010100a304bb22ab983d57e826729ab579d429e2e1e89580b1b0e35b8e2b299a64dfa15dedb009056ddb282ece62a262feb488da12eb38eb219dc0412b01527b8877d31c8fc7bab988b56a09e773e81140a7d1ccca628d2de58f0ba650d2a850c328eaf5ab25878a9a961ca967b83f0cd5f7f952132fc21bd57070f08fc012ca06cb9ae1d9ca337a77d6f8ecb9f16844424813d2c0c2a4ae5e60feb6a605fcb4dd075902d459189863f5a563e0900c7d5db2067af385eaebd403ae5e843e5fff15ed69bcf939367275cf77524df3c9902cb93de5c923533f1f2498215c079929bdc63aece76e863a6b97746333bd681831f0788d76bffc9e8e5d2a86a74d90dc271a390203010001a3453043301d0603551d0e04160414e59d5930824758ccacfa085436867b3ab5044df030120603551d130101ff040830060101ff020103300e0603551d0f0101ff040403020106300d06092a864886f70d01010505000382010100850c5d8ee46f51684205a0ddbb4f27258403bdf764fd2dd730e3a41017ebda2929b6793f76f6191323b8100af958a4d46170bd04616a128a17d50abdc5bc307cd6e90c258d86404feccca37e38c637114feddd68318e4cd2b30174eebe755e07481a7f70ff165c84c07985b805fd7fbe6511a30fc002b4f852373904d5a9317a18bfa02af41299f7a34582e33c5ef59d9eb5c89e7c2ec8a49e4e08144b6dfd706d6b1a63bd64e61fb7cef0f29f2ebb1bb7f250887392c2e2e3168d9a3202ab8e18dde91011ee7e35ab90af3e30947ad0333da7650ff5fc8e9e62cf47442c015dbb1db532d247d2382ed0fe81dc326a1eb5ee3cd5fce7811d19c32442ea6339a9	c843281523eb16e32fd9c918c6154606.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	c843281523eb16e32fd9c918c6154606.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2808	c843281523eb16e32fd9c918c6154606.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2808	c843281523eb16e32fd9c918c6154606.exe
1892	c843281523eb16e32fd9c918c6154606.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 1892	2808	c843281523eb16e32fd9c918c6154606.exe	28
PID 2808 wrote to memory of 1892	2808	c843281523eb16e32fd9c918c6154606.exe	28
PID 2808 wrote to memory of 1892	2808	c843281523eb16e32fd9c918c6154606.exe	28
PID 2808 wrote to memory of 1892	2808	c843281523eb16e32fd9c918c6154606.exe	28

C:\Users\Admin\AppData\Local\Temp\c843281523eb16e32fd9c918c6154606.exe
"C:\Users\Admin\AppData\Local\Temp\c843281523eb16e32fd9c918c6154606.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Users\Admin\AppData\Local\Temp\c843281523eb16e32fd9c918c6154606.exe
  C:\Users\Admin\AppData\Local\Temp\c843281523eb16e32fd9c918c6154606.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:1892

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
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar742E.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\c843281523eb16e32fd9c918c6154606.exe

Filesize
385KB

MD5
8727916f0dbcc6604698f23a36d740c2

SHA1
5cc2e4b377875e21a3b987e3b3f56470da4cecd3

SHA256
9b1b71daa7182031709fe13ccda1b709f55c500cd1b88752e5918efd82c598ed

SHA512
0940f80c0255af97121328b5ad562b92e3ee862d5c8dc1806d05fbbd2419672a3adfcea5976ef224e1e4cab4294b16be804ff906d7acdf08c5af6d42a43c4dc9

Download Submit
memory/1892-26-0x0000000000300000-0x000000000035F000-memory.dmp

Filesize
380KB

Download
memory/1892-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1892-19-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/1892-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1892-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1892-86-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1892-87-0x000000000EA70000-0x000000000EAAC000-memory.dmp

Filesize
240KB

Download
memory/2808-12-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/2808-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2808-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2808-2-0x0000000000370000-0x00000000003D6000-memory.dmp

Filesize
408KB

Download
memory/2808-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

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