f12c3054541117623136c37988f287f801f30889b637802d6a7d3ce47ac1b599

General

Target

ac481bb3eba2c664b3bea213cb064d98.exe
Size

385KB
MD5

ac481bb3eba2c664b3bea213cb064d98
SHA1

b7ad4ce4ddce6b291dc466fb09534fb46f6159b3
SHA256

f12c3054541117623136c37988f287f801f30889b637802d6a7d3ce47ac1b599
SHA512

65c3f88db9535ed3f4b73767b8d2e0fe69567480aa26e84340238c3d61d0cbee2054a792be370c25bc1e6a82d4ac5ffdbcba16be54baff0ec63c01d2eb819ec5
SSDEEP

12288:S21gmmwb/2VOSjHVeuQ1G/Yt5MuXXk+A98kB:nKPxVOm1niqYtGuHk+wbB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2856	ac481bb3eba2c664b3bea213cb064d98.exe

Executes dropped EXE 1 IoCs

pid	Process
2856	ac481bb3eba2c664b3bea213cb064d98.exe

Loads dropped DLL 1 IoCs

pid	Process
3012	ac481bb3eba2c664b3bea213cb064d98.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	ac481bb3eba2c664b3bea213cb064d98.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	ac481bb3eba2c664b3bea213cb064d98.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	ac481bb3eba2c664b3bea213cb064d98.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3012	ac481bb3eba2c664b3bea213cb064d98.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3012	ac481bb3eba2c664b3bea213cb064d98.exe
2856	ac481bb3eba2c664b3bea213cb064d98.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2856	3012	ac481bb3eba2c664b3bea213cb064d98.exe	28
PID 3012 wrote to memory of 2856	3012	ac481bb3eba2c664b3bea213cb064d98.exe	28
PID 3012 wrote to memory of 2856	3012	ac481bb3eba2c664b3bea213cb064d98.exe	28
PID 3012 wrote to memory of 2856	3012	ac481bb3eba2c664b3bea213cb064d98.exe	28

C:\Users\Admin\AppData\Local\Temp\ac481bb3eba2c664b3bea213cb064d98.exe
"C:\Users\Admin\AppData\Local\Temp\ac481bb3eba2c664b3bea213cb064d98.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Users\Admin\AppData\Local\Temp\ac481bb3eba2c664b3bea213cb064d98.exe
  C:\Users\Admin\AppData\Local\Temp\ac481bb3eba2c664b3bea213cb064d98.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2856

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\Tar6955.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\ac481bb3eba2c664b3bea213cb064d98.exe

Filesize
385KB

MD5
2616e555348c84a0661e99eaeb3bf727

SHA1
35a709fc201af94627ca8f71015d2b93616c48ea

SHA256
20c8903e04ed9e37af3b181f07ed2f1388fcdecb8ecdad10e1c11b2d58b664ba

SHA512
390dae814c8a23514a4db0e017554ae649a174203ecbd1bc01664c454a0c0c657f89901114733db21d8ad8daa266a727cf5de5ffde1cc26f8b2248b3259b70bf

Download Submit
memory/2856-17-0x0000000000380000-0x00000000003E6000-memory.dmp

Filesize
408KB

Download
memory/2856-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2856-22-0x0000000002C70000-0x0000000002CCF000-memory.dmp

Filesize
380KB

Download
memory/2856-80-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2856-83-0x0000000006620000-0x000000000665C000-memory.dmp

Filesize
240KB

Download
memory/2856-86-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3012-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3012-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3012-12-0x00000000002B0000-0x0000000000316000-memory.dmp

Filesize
408KB

Download
memory/3012-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3012-1-0x0000000000240000-0x00000000002A6000-memory.dmp

Filesize
408KB

Download

Analysis

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