e4b9e68ab6a13fcdf94fb608d9c3f31b8537e2cd1019642eb1edad81f2810b10

General

Target

8d165e44f372aac5ce5cd6b32c4b7837.exe
Size

385KB
MD5

8d165e44f372aac5ce5cd6b32c4b7837
SHA1

5ddfffb4fba0fa6186c2a74692ab5fc57825e06d
SHA256

e4b9e68ab6a13fcdf94fb608d9c3f31b8537e2cd1019642eb1edad81f2810b10
SHA512

bfa78e925932afb353cc988fea617e61a78620a73a194a81cd21f4e627c8ff50a0d3ae0f103fd032ed54777992977bd17024e79f690d9079a301d60e49c37329
SSDEEP

6144:C2c4/usmMqowPQneM3ZUu/Hy3j2NkSFT0YAq2yTzhpgvBJ44k9B:CuWCq3PQeM3ZL5f0YhdzkJq9B

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2272	8d165e44f372aac5ce5cd6b32c4b7837.exe

Executes dropped EXE 1 IoCs

pid	Process
2272	8d165e44f372aac5ce5cd6b32c4b7837.exe

Loads dropped DLL 1 IoCs

pid	Process
2472	8d165e44f372aac5ce5cd6b32c4b7837.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	8d165e44f372aac5ce5cd6b32c4b7837.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	8d165e44f372aac5ce5cd6b32c4b7837.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	8d165e44f372aac5ce5cd6b32c4b7837.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2472	8d165e44f372aac5ce5cd6b32c4b7837.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2472	8d165e44f372aac5ce5cd6b32c4b7837.exe
2272	8d165e44f372aac5ce5cd6b32c4b7837.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 2272	2472	8d165e44f372aac5ce5cd6b32c4b7837.exe	28
PID 2472 wrote to memory of 2272	2472	8d165e44f372aac5ce5cd6b32c4b7837.exe	28
PID 2472 wrote to memory of 2272	2472	8d165e44f372aac5ce5cd6b32c4b7837.exe	28
PID 2472 wrote to memory of 2272	2472	8d165e44f372aac5ce5cd6b32c4b7837.exe	28

C:\Users\Admin\AppData\Local\Temp\8d165e44f372aac5ce5cd6b32c4b7837.exe
"C:\Users\Admin\AppData\Local\Temp\8d165e44f372aac5ce5cd6b32c4b7837.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Users\Admin\AppData\Local\Temp\8d165e44f372aac5ce5cd6b32c4b7837.exe
  C:\Users\Admin\AppData\Local\Temp\8d165e44f372aac5ce5cd6b32c4b7837.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2272

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\8d165e44f372aac5ce5cd6b32c4b7837.exe

Filesize
385KB

MD5
50fdf2ae98d704775df95f2294ca51b0

SHA1
dbb62965eaf06817ced66ae16e16f9cc2691345d

SHA256
113c7ac046ddf97fd846defbcee121d9d9ac4a80e563989fa61e75186382a014

SHA512
00935bf0d62f1560d3e76e034a9465f4084235128c99ae56a5730779c192bc5509e08995d1d48f5f0bb62609465fc65d0095f0f6a0e1a444783ff472c6f9008a

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab5218.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar5298.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/2272-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2272-17-0x0000000000340000-0x00000000003A6000-memory.dmp

Filesize
408KB

Download
memory/2272-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2272-28-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

Download
memory/2272-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2272-79-0x000000000D7F0000-0x000000000D82C000-memory.dmp

Filesize
240KB

Download
memory/2272-83-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2472-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2472-12-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/2472-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2472-3-0x0000000000210000-0x0000000000276000-memory.dmp

Filesize
408KB

Download
memory/2472-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download

Analysis

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