32eb2e3a1ec6b081d9c6fcfa52caf41e81b0b55dd7372d0caa39ecfd42f837e2

General

Target

df3b9490e67ed0bc6d3b2dc7dfeeb06b.exe
Size

385KB
MD5

df3b9490e67ed0bc6d3b2dc7dfeeb06b
SHA1

a7d6ef316f36b2752d74c34323b70e44fafadc78
SHA256

32eb2e3a1ec6b081d9c6fcfa52caf41e81b0b55dd7372d0caa39ecfd42f837e2
SHA512

3622e010fbe80e947678e415e61f022925eebf5392cc818f1a47604f2075432ebcc4fa784d7c9d2f1367d6b7f54b61cb6c94b70bf1b91aee1088a4c77da2ebcd
SSDEEP

12288:NdCwIxTCG/XBV5rKQroUIxrNW9TeHONzC9s/B:No7ZXB/KQroUI6TecR/B

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2364	df3b9490e67ed0bc6d3b2dc7dfeeb06b.exe

Executes dropped EXE 1 IoCs

pid	Process
2364	df3b9490e67ed0bc6d3b2dc7dfeeb06b.exe

Loads dropped DLL 1 IoCs

pid	Process
1728	df3b9490e67ed0bc6d3b2dc7dfeeb06b.exe

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

Web Service

T1102

flow	ioc
4	pastebin.com
5	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	df3b9490e67ed0bc6d3b2dc7dfeeb06b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	df3b9490e67ed0bc6d3b2dc7dfeeb06b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	df3b9490e67ed0bc6d3b2dc7dfeeb06b.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1728	df3b9490e67ed0bc6d3b2dc7dfeeb06b.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1728	df3b9490e67ed0bc6d3b2dc7dfeeb06b.exe
2364	df3b9490e67ed0bc6d3b2dc7dfeeb06b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2364	1728	df3b9490e67ed0bc6d3b2dc7dfeeb06b.exe	28
PID 1728 wrote to memory of 2364	1728	df3b9490e67ed0bc6d3b2dc7dfeeb06b.exe	28
PID 1728 wrote to memory of 2364	1728	df3b9490e67ed0bc6d3b2dc7dfeeb06b.exe	28
PID 1728 wrote to memory of 2364	1728	df3b9490e67ed0bc6d3b2dc7dfeeb06b.exe	28

C:\Users\Admin\AppData\Local\Temp\df3b9490e67ed0bc6d3b2dc7dfeeb06b.exe
"C:\Users\Admin\AppData\Local\Temp\df3b9490e67ed0bc6d3b2dc7dfeeb06b.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Users\Admin\AppData\Local\Temp\df3b9490e67ed0bc6d3b2dc7dfeeb06b.exe
  C:\Users\Admin\AppData\Local\Temp\df3b9490e67ed0bc6d3b2dc7dfeeb06b.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2364

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\Local\Temp\Cab7EA4.tmp

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar7EE5.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\df3b9490e67ed0bc6d3b2dc7dfeeb06b.exe

Filesize
385KB

MD5
fb73b4821c07ed59243ee95f5ac0de72

SHA1
86b3b4796ef5d9b29109dd223243530906bcb0c7

SHA256
0cc97c9e534e3c3cf8c919650e09aaf0e478fd7f747a76f0819dbb413907a445

SHA512
7b7838bf3fadb5b164d3a8e62307a704f95f96e33b537b75d421498c0c40ab4a9e6c2b17028cfd71bb9589f060eb3523afb35a6e807cf7c8b920d5a674256d0f

Download Submit
memory/1728-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1728-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1728-2-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/1728-12-0x0000000000200000-0x0000000000266000-memory.dmp

Filesize
408KB

Download
memory/1728-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2364-24-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

Download
memory/2364-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2364-19-0x0000000000390000-0x00000000003F6000-memory.dmp

Filesize
408KB

Download
memory/2364-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2364-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2364-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2364-83-0x00000000075C0000-0x00000000075FC000-memory.dmp

Filesize
240KB

Download
memory/2364-84-0x00000000075C0000-0x00000000075FC000-memory.dmp

Filesize
240KB

Download

Analysis

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