8af32ff549bd8d8268d6a26fd0ec8531fc72201db260ca841744c2d9be5faeb1

General

Target

8fd77e7eb95bbcd715f33ec54c9494ba.exe
Size

385KB
MD5

8fd77e7eb95bbcd715f33ec54c9494ba
SHA1

fd891dada5aa391a434516a908a5eb41ac85ca56
SHA256

8af32ff549bd8d8268d6a26fd0ec8531fc72201db260ca841744c2d9be5faeb1
SHA512

966bfc29aa660b8660544ff30de6491e84cb5bf5c5b03a1f0374e78e1197f16e60c87974443edc7a8cf6aad65d15b18e98e31738ee0095df8e581cf712ed4642
SSDEEP

6144:tjsvN1bcd82bPrfyZiEPStnwWLJnSMfDw3tkcT7+tr2ivG0B:SzbcdPfMi8StnwWlSMrw3hm/fB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2660	8fd77e7eb95bbcd715f33ec54c9494ba.exe

Executes dropped EXE 1 IoCs

pid	Process
2660	8fd77e7eb95bbcd715f33ec54c9494ba.exe

Loads dropped DLL 1 IoCs

pid	Process
2080	8fd77e7eb95bbcd715f33ec54c9494ba.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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	8fd77e7eb95bbcd715f33ec54c9494ba.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	8fd77e7eb95bbcd715f33ec54c9494ba.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	8fd77e7eb95bbcd715f33ec54c9494ba.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2080	8fd77e7eb95bbcd715f33ec54c9494ba.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2080	8fd77e7eb95bbcd715f33ec54c9494ba.exe
2660	8fd77e7eb95bbcd715f33ec54c9494ba.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2660	2080	8fd77e7eb95bbcd715f33ec54c9494ba.exe	28
PID 2080 wrote to memory of 2660	2080	8fd77e7eb95bbcd715f33ec54c9494ba.exe	28
PID 2080 wrote to memory of 2660	2080	8fd77e7eb95bbcd715f33ec54c9494ba.exe	28
PID 2080 wrote to memory of 2660	2080	8fd77e7eb95bbcd715f33ec54c9494ba.exe	28

C:\Users\Admin\AppData\Local\Temp\8fd77e7eb95bbcd715f33ec54c9494ba.exe
"C:\Users\Admin\AppData\Local\Temp\8fd77e7eb95bbcd715f33ec54c9494ba.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Users\Admin\AppData\Local\Temp\8fd77e7eb95bbcd715f33ec54c9494ba.exe
  C:\Users\Admin\AppData\Local\Temp\8fd77e7eb95bbcd715f33ec54c9494ba.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2660

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\Cab4971.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar49B2.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\8fd77e7eb95bbcd715f33ec54c9494ba.exe

Filesize
385KB

MD5
4255f83664463ab3207395305125088e

SHA1
cbf187a9cb7a6017f9cb34c41cd6ab68d7aec4d4

SHA256
5f479823c449dba640179c0881ca249e148de0414bb9e7d02c5d4e17d776db87

SHA512
40baeaa53eb65736651a342a8afe570635b835cbde4606a7d34734262bc77bd1bb38581675ca8c9dd7c3fca929c9f943f2123fdd04e8752bd76d256e4e919a52

Download Submit
memory/2080-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2080-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2080-12-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/2080-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2080-2-0x0000000000310000-0x0000000000376000-memory.dmp

Filesize
408KB

Download
memory/2660-19-0x0000000000380000-0x00000000003E6000-memory.dmp

Filesize
408KB

Download
memory/2660-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2660-26-0x0000000001550000-0x00000000015AF000-memory.dmp

Filesize
380KB

Download
memory/2660-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2660-82-0x000000000D6C0000-0x000000000D6FC000-memory.dmp

Filesize
240KB

Download
memory/2660-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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