406c7211ff817191aeb3368c838fb4de7879f2b2aaf1df5af531ce86ef0f5cdd

General

Target

a397b30b1023379e88a570dddc023ddd.exe
Size

385KB
MD5

a397b30b1023379e88a570dddc023ddd
SHA1

548e456361fc1e37e6f86b298070cf575bbddb68
SHA256

406c7211ff817191aeb3368c838fb4de7879f2b2aaf1df5af531ce86ef0f5cdd
SHA512

025cd3e5f275434f5ca610ac231d8b52ab9cd1b0dfd8b2ff192cad326b7c52827b246f1b9f95f4dc22be12103c699abbdf889d173df4e1b0bde71f45d2a25c71
SSDEEP

6144:qIwBb1SMIUpj4FK9jel5dFTlB0ATfZt8CK7oClsRyUxfsVmB:7g4MyFUCTd3B5837oCSysXB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2028	a397b30b1023379e88a570dddc023ddd.exe

Executes dropped EXE 1 IoCs

pid	Process
2028	a397b30b1023379e88a570dddc023ddd.exe

Loads dropped DLL 1 IoCs

pid	Process
1640	a397b30b1023379e88a570dddc023ddd.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	a397b30b1023379e88a570dddc023ddd.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	a397b30b1023379e88a570dddc023ddd.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	a397b30b1023379e88a570dddc023ddd.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1640	a397b30b1023379e88a570dddc023ddd.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1640	a397b30b1023379e88a570dddc023ddd.exe
2028	a397b30b1023379e88a570dddc023ddd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 2028	1640	a397b30b1023379e88a570dddc023ddd.exe	28
PID 1640 wrote to memory of 2028	1640	a397b30b1023379e88a570dddc023ddd.exe	28
PID 1640 wrote to memory of 2028	1640	a397b30b1023379e88a570dddc023ddd.exe	28
PID 1640 wrote to memory of 2028	1640	a397b30b1023379e88a570dddc023ddd.exe	28

C:\Users\Admin\AppData\Local\Temp\a397b30b1023379e88a570dddc023ddd.exe
"C:\Users\Admin\AppData\Local\Temp\a397b30b1023379e88a570dddc023ddd.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Users\Admin\AppData\Local\Temp\a397b30b1023379e88a570dddc023ddd.exe
  C:\Users\Admin\AppData\Local\Temp\a397b30b1023379e88a570dddc023ddd.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2028

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\Cab4DA5.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4E15.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\a397b30b1023379e88a570dddc023ddd.exe

Filesize
385KB

MD5
47c239afb8989009587df18858404387

SHA1
7c7299dfc0f0046867673fdac35ca6d483cc033c

SHA256
27cab7d779ab6e0376f6eb4ac30f228d445684086785eefb661883907cfc409b

SHA512
10ebf145f8bfede98710f63ba70b4a070c9e79c7069c83614d3eeefaea1436be8500d5ab8e8c01eaf0fab1b30f9d929e61fc1d33d90020b32dd2987fcc7145b2

Download Submit
memory/1640-12-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/1640-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1640-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1640-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1640-1-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2028-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2028-18-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2028-24-0x00000000002C0000-0x000000000031F000-memory.dmp

Filesize
380KB

Download
memory/2028-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2028-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2028-82-0x000000000D6A0000-0x000000000D6DC000-memory.dmp

Filesize
240KB

Download
memory/2028-83-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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