6fc154355530ed687cc55ceb0790ced73b8e35c7e8c2948f27bbbf686c5fcbca

General

Target

ae23bf8c39c52f21f698f0b24d94bd6f.exe
Size

385KB
MD5

ae23bf8c39c52f21f698f0b24d94bd6f
SHA1

1880e08e49cd0b2076f5835d7f82902d6c8f0726
SHA256

6fc154355530ed687cc55ceb0790ced73b8e35c7e8c2948f27bbbf686c5fcbca
SHA512

7e58ad4e140839bbd1d4ce30a5cc17e934dea0a64f2a7d75de0061721f73de68a6d5f49a3fcb586d9bd26c95b21ab68013d3692cff114ef1ac9638eed8297aeb
SSDEEP

12288:SlOUAj3pR2HUunv1gBdXuXe1vxI6EgvkB:SlO3WHUunC+wve6EdB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2076	ae23bf8c39c52f21f698f0b24d94bd6f.exe

Executes dropped EXE 1 IoCs

pid	Process
2076	ae23bf8c39c52f21f698f0b24d94bd6f.exe

Loads dropped DLL 1 IoCs

pid	Process
1720	ae23bf8c39c52f21f698f0b24d94bd6f.exe

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

Web Service

T1102

flow	ioc
3	pastebin.com
4	pastebin.com

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	ae23bf8c39c52f21f698f0b24d94bd6f.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 0f0000000100000014000000ce0e658aa3e847e467a147b3049191093d055e6f0b0000000100000034000000420061006c00740069006d006f007200650020004300790062006500720054007200750073007400200052006f006f007400000053000000010000002400000030223020060a2b06010401b13e01640130123010060a2b0601040182373c0101030200c0140000000100000014000000e59d5930824758ccacfa085436867b3ab5044df01d0000000100000010000000918ad43a9475f78bb5243de886d8103c09000000010000000c000000300a06082b06010505070301030000000100000014000000d4de20d05e66fc53fe1a50882c78db2852cae47420000000010000007b030000308203773082025fa0030201020204020000b9300d06092a864886f70d0101050500305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f74301e170d3030303531323138343630305a170d3235303531323233353930305a305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f7430820122300d06092a864886f70d01010105000382010f003082010a0282010100a304bb22ab983d57e826729ab579d429e2e1e89580b1b0e35b8e2b299a64dfa15dedb009056ddb282ece62a262feb488da12eb38eb219dc0412b01527b8877d31c8fc7bab988b56a09e773e81140a7d1ccca628d2de58f0ba650d2a850c328eaf5ab25878a9a961ca967b83f0cd5f7f952132fc21bd57070f08fc012ca06cb9ae1d9ca337a77d6f8ecb9f16844424813d2c0c2a4ae5e60feb6a605fcb4dd075902d459189863f5a563e0900c7d5db2067af385eaebd403ae5e843e5fff15ed69bcf939367275cf77524df3c9902cb93de5c923533f1f2498215c079929bdc63aece76e863a6b97746333bd681831f0788d76bffc9e8e5d2a86a74d90dc271a390203010001a3453043301d0603551d0e04160414e59d5930824758ccacfa085436867b3ab5044df030120603551d130101ff040830060101ff020103300e0603551d0f0101ff040403020106300d06092a864886f70d01010505000382010100850c5d8ee46f51684205a0ddbb4f27258403bdf764fd2dd730e3a41017ebda2929b6793f76f6191323b8100af958a4d46170bd04616a128a17d50abdc5bc307cd6e90c258d86404feccca37e38c637114feddd68318e4cd2b30174eebe755e07481a7f70ff165c84c07985b805fd7fbe6511a30fc002b4f852373904d5a9317a18bfa02af41299f7a34582e33c5ef59d9eb5c89e7c2ec8a49e4e08144b6dfd706d6b1a63bd64e61fb7cef0f29f2ebb1bb7f250887392c2e2e3168d9a3202ab8e18dde91011ee7e35ab90af3e30947ad0333da7650ff5fc8e9e62cf47442c015dbb1db532d247d2382ed0fe81dc326a1eb5ee3cd5fce7811d19c32442ea6339a9	ae23bf8c39c52f21f698f0b24d94bd6f.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	ae23bf8c39c52f21f698f0b24d94bd6f.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1720	ae23bf8c39c52f21f698f0b24d94bd6f.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1720	ae23bf8c39c52f21f698f0b24d94bd6f.exe
2076	ae23bf8c39c52f21f698f0b24d94bd6f.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2076	1720	ae23bf8c39c52f21f698f0b24d94bd6f.exe	28
PID 1720 wrote to memory of 2076	1720	ae23bf8c39c52f21f698f0b24d94bd6f.exe	28
PID 1720 wrote to memory of 2076	1720	ae23bf8c39c52f21f698f0b24d94bd6f.exe	28
PID 1720 wrote to memory of 2076	1720	ae23bf8c39c52f21f698f0b24d94bd6f.exe	28

C:\Users\Admin\AppData\Local\Temp\ae23bf8c39c52f21f698f0b24d94bd6f.exe
"C:\Users\Admin\AppData\Local\Temp\ae23bf8c39c52f21f698f0b24d94bd6f.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Users\Admin\AppData\Local\Temp\ae23bf8c39c52f21f698f0b24d94bd6f.exe
  C:\Users\Admin\AppData\Local\Temp\ae23bf8c39c52f21f698f0b24d94bd6f.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2076

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\Tar103D.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\ae23bf8c39c52f21f698f0b24d94bd6f.exe

Filesize
385KB

MD5
037e41ea51f1103908e0d6ff4fb1ecc2

SHA1
504f8693a60322dd7ab53eb05ce446d1296b234a

SHA256
b893db420087a3fc5351c1d6f9dab3b26f31a134fd5814979ba44628f769d773

SHA512
01994a218241f5026e66e86c72bb61329d8ee4abce706f9a2dd02e0e974c61e40a06df0516b9b7aee291d7a0b6cfe63e7da052851aa56a45faca0bd038097724

Download Submit
memory/1720-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1720-2-0x0000000000380000-0x00000000003E6000-memory.dmp

Filesize
408KB

Download
memory/1720-12-0x0000000002DE0000-0x0000000002E46000-memory.dmp

Filesize
408KB

Download
memory/1720-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1720-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2076-17-0x0000000000390000-0x00000000003F6000-memory.dmp

Filesize
408KB

Download
memory/2076-25-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

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

Filesize
240KB

Download
memory/2076-20-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2076-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2076-86-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2076-87-0x0000000009610000-0x000000000964C000-memory.dmp

Filesize
240KB

Download

Analysis

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