0d3a7744bb8258525d141c25376fd566b459a07e4415db302758c965105fad02

General

Target

8b1a2ef2b76d08c29302656a6376d742.exe
Size

771KB
MD5

8b1a2ef2b76d08c29302656a6376d742
SHA1

bea41846d23651ba1d554c47732199fd4ae2e2c4
SHA256

0d3a7744bb8258525d141c25376fd566b459a07e4415db302758c965105fad02
SHA512

16376e796d6d356dcf183d01faabca2264dd727b48a08671d08f30e3e47dd125ffa1561a424ab184d13a2474399d429f4659493996b650522594b46f2dfce1c7
SSDEEP

12288:S1inTsze1xByP44fS8Ac65PzJLniYZ/C9OFEIif0F6rerfrEhU8zFVMB:DTlYwWS8Ac2tvZWqEIz6qrfiTMB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2296	8b1a2ef2b76d08c29302656a6376d742.exe

Executes dropped EXE 1 IoCs

pid	Process
2296	8b1a2ef2b76d08c29302656a6376d742.exe

Loads dropped DLL 1 IoCs

pid	Process
1056	8b1a2ef2b76d08c29302656a6376d742.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	8b1a2ef2b76d08c29302656a6376d742.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	8b1a2ef2b76d08c29302656a6376d742.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	8b1a2ef2b76d08c29302656a6376d742.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1056	8b1a2ef2b76d08c29302656a6376d742.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1056	8b1a2ef2b76d08c29302656a6376d742.exe
2296	8b1a2ef2b76d08c29302656a6376d742.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 2296	1056	8b1a2ef2b76d08c29302656a6376d742.exe	28
PID 1056 wrote to memory of 2296	1056	8b1a2ef2b76d08c29302656a6376d742.exe	28
PID 1056 wrote to memory of 2296	1056	8b1a2ef2b76d08c29302656a6376d742.exe	28
PID 1056 wrote to memory of 2296	1056	8b1a2ef2b76d08c29302656a6376d742.exe	28

C:\Users\Admin\AppData\Local\Temp\8b1a2ef2b76d08c29302656a6376d742.exe
"C:\Users\Admin\AppData\Local\Temp\8b1a2ef2b76d08c29302656a6376d742.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Users\Admin\AppData\Local\Temp\8b1a2ef2b76d08c29302656a6376d742.exe
  C:\Users\Admin\AppData\Local\Temp\8b1a2ef2b76d08c29302656a6376d742.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2296

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\CabEC2.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarED5.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\8b1a2ef2b76d08c29302656a6376d742.exe

Filesize
771KB

MD5
7d2c561cfe0a3e2109d0d0f1ecf12eb9

SHA1
4499804b9d4585ff7e505cacc5a8738bb15a9950

SHA256
906a0c77da52123321733fa8c857f3524c880d3a12648b1604ba7f9dd3aeab53

SHA512
766f7412e9aee21750d394f9e9ab7d3359051665db83a1c9167b81dd1c4afcc187b5c704983e5d39ecf68c39b7e9232285c97808130e0916d3bc63bef8c13fcb

Download Submit
memory/1056-2-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/1056-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1056-12-0x0000000002D00000-0x0000000002D66000-memory.dmp

Filesize
408KB

Download
memory/1056-15-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1056-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2296-17-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2296-29-0x0000000000240000-0x000000000029F000-memory.dmp

Filesize
380KB

Download
memory/2296-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2296-20-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2296-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2296-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2296-83-0x000000000ED20000-0x000000000ED5C000-memory.dmp

Filesize
240KB

Download

Analysis

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