06e83dca3c87f0fb3746ff704ad306728ed7577fa78a3485e8abbc41be183df4

General

Target

b86956d1e795442c5c37665c74833430.exe
Size

385KB
MD5

b86956d1e795442c5c37665c74833430
SHA1

ad2756166315fb9d9d1d1b096fcd406f4eebfae5
SHA256

06e83dca3c87f0fb3746ff704ad306728ed7577fa78a3485e8abbc41be183df4
SHA512

dc9da340fb838d50765d3b260d7481f4677b70c71e00f4795f74822feb7fe955cf05bdfdf579f7c9197dae9384673d0665292a7315b0093d964397b7e02b9672
SSDEEP

6144:UEgyT/3xRAzvEVV2vC2yPQPRqxyDAlnxeewR/3JvOuzsZTEkjlsrKRA78BY7+rXE:iyczUCqxnls51OuzmhfBa+rX+B

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2912	b86956d1e795442c5c37665c74833430.exe

Executes dropped EXE 1 IoCs

pid	Process
2912	b86956d1e795442c5c37665c74833430.exe

Loads dropped DLL 1 IoCs

pid	Process
2216	b86956d1e795442c5c37665c74833430.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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	b86956d1e795442c5c37665c74833430.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	b86956d1e795442c5c37665c74833430.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	b86956d1e795442c5c37665c74833430.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2216	b86956d1e795442c5c37665c74833430.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2216	b86956d1e795442c5c37665c74833430.exe
2912	b86956d1e795442c5c37665c74833430.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2912	2216	b86956d1e795442c5c37665c74833430.exe	27
PID 2216 wrote to memory of 2912	2216	b86956d1e795442c5c37665c74833430.exe	27
PID 2216 wrote to memory of 2912	2216	b86956d1e795442c5c37665c74833430.exe	27
PID 2216 wrote to memory of 2912	2216	b86956d1e795442c5c37665c74833430.exe	27

C:\Users\Admin\AppData\Local\Temp\b86956d1e795442c5c37665c74833430.exe
"C:\Users\Admin\AppData\Local\Temp\b86956d1e795442c5c37665c74833430.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Local\Temp\b86956d1e795442c5c37665c74833430.exe
  C:\Users\Admin\AppData\Local\Temp\b86956d1e795442c5c37665c74833430.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2912

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\Tar83E6.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\b86956d1e795442c5c37665c74833430.exe

Filesize
385KB

MD5
06b6449e6f272629dc9166f481ca916d

SHA1
02a9e2c2b6e88b7ff2896f62d18dd2e3b5d61df0

SHA256
8946373f498069f8ff7ca287fb2aae148b02b889d9793ae23f9d313b2e04defd

SHA512
519c3800d0fd05f71e2bbae9f4b43d2778a296694d1de4a7db0fff2e7bd94aca59ad76e05bb5fd9945e8b4d98bb1c38abdfc1f05115697972395cf8df0074588

Download Submit
memory/2216-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2216-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2216-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2216-2-0x0000000000220000-0x0000000000286000-memory.dmp

Filesize
408KB

Download
memory/2912-15-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2912-18-0x0000000000310000-0x0000000000376000-memory.dmp

Filesize
408KB

Download
memory/2912-24-0x0000000002CC0000-0x0000000002D1F000-memory.dmp

Filesize
380KB

Download
memory/2912-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2912-80-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2912-85-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2912-86-0x000000000EA00000-0x000000000EA3C000-memory.dmp

Filesize
240KB

Download

Analysis

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