67bef1afa97a9c1f8724031d7593eb1523a32ddfb57de19902912b459d361ead

General

Target

7581d96017a25cb0982dfbfdb069947d.exe
Size

1.5MB
MD5

7581d96017a25cb0982dfbfdb069947d
SHA1

87828d9ccae071842dde80f11169f26218c9d924
SHA256

67bef1afa97a9c1f8724031d7593eb1523a32ddfb57de19902912b459d361ead
SHA512

86f7fb968e72e40396c91cc164f563123d05f3b3e6c7344f8173a0262c92e2f7ffb17cbe76d98ac459afbc2b70cdf18fea664485aa05c512728600288dcf8052
SSDEEP

24576:GSK6PyOEtwCP7ktb10hJaothZ2/T6FBBjNPI5lqkfZSkHR82b10hJaothZ2/T6FP:xPyVGCDkB/ofqg4/ofp

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2172	7581d96017a25cb0982dfbfdb069947d.exe

Executes dropped EXE 1 IoCs

pid	Process
2172	7581d96017a25cb0982dfbfdb069947d.exe

Loads dropped DLL 1 IoCs

pid	Process
2868	7581d96017a25cb0982dfbfdb069947d.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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	7581d96017a25cb0982dfbfdb069947d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	7581d96017a25cb0982dfbfdb069947d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	7581d96017a25cb0982dfbfdb069947d.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2868	7581d96017a25cb0982dfbfdb069947d.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2868	7581d96017a25cb0982dfbfdb069947d.exe
2172	7581d96017a25cb0982dfbfdb069947d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 2172	2868	7581d96017a25cb0982dfbfdb069947d.exe	28
PID 2868 wrote to memory of 2172	2868	7581d96017a25cb0982dfbfdb069947d.exe	28
PID 2868 wrote to memory of 2172	2868	7581d96017a25cb0982dfbfdb069947d.exe	28
PID 2868 wrote to memory of 2172	2868	7581d96017a25cb0982dfbfdb069947d.exe	28

C:\Users\Admin\AppData\Local\Temp\7581d96017a25cb0982dfbfdb069947d.exe
"C:\Users\Admin\AppData\Local\Temp\7581d96017a25cb0982dfbfdb069947d.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Users\Admin\AppData\Local\Temp\7581d96017a25cb0982dfbfdb069947d.exe
  C:\Users\Admin\AppData\Local\Temp\7581d96017a25cb0982dfbfdb069947d.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2172

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\Cab1335.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1357.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\7581d96017a25cb0982dfbfdb069947d.exe

Filesize
1.5MB

MD5
8072f9084f8d946a0e1488957afbf4df

SHA1
5d57d32a5bcdc3185c162c35a76bc4bb0c099533

SHA256
a77a8702a39e7fd41d9c0add7769177668001317f2a2bc1f29b973fd2878a098

SHA512
f3bb2e75a023eb891af61e02815df91c7d5e47e66baf862d9071ca470320b1988256520f7983ee4cd6f8af194557e0ace1789552dc5ea3159ce512723ee8b393

Download Submit
memory/2172-20-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2172-17-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2172-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2172-29-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

Download
memory/2172-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2172-83-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2172-81-0x0000000009610000-0x000000000964C000-memory.dmp

Filesize
240KB

Download
memory/2868-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2868-1-0x0000000000250000-0x00000000002B6000-memory.dmp

Filesize
408KB

Download
memory/2868-12-0x0000000003120000-0x0000000003186000-memory.dmp

Filesize
408KB

Download
memory/2868-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2868-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download

Analysis

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