769c87c7d694b6f6f8620d31a681300ad0ff49cd18dde5f648eee73500107f6c

General

Target

779b561143d4d41fb10324e25cedf634.exe
Size

385KB
MD5

779b561143d4d41fb10324e25cedf634
SHA1

d312333700ec9065170ecae36047822f20d05c34
SHA256

769c87c7d694b6f6f8620d31a681300ad0ff49cd18dde5f648eee73500107f6c
SHA512

bd9892942fe58cc37da47e7ae9456410f655103bf9dc7c13c512d92302416a46cc98bedc2d69701e7f370b364c1811130c6e550bba9f6ce43da3c593222c83f2
SSDEEP

12288:byyaixQVR9DecdGY9Q1y67/Jcsaw1Uy1B:baFv1d81tcsaUv1B

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2760	779b561143d4d41fb10324e25cedf634.exe

Executes dropped EXE 1 IoCs

pid	Process
2760	779b561143d4d41fb10324e25cedf634.exe

Loads dropped DLL 1 IoCs

pid	Process
832	779b561143d4d41fb10324e25cedf634.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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	779b561143d4d41fb10324e25cedf634.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	779b561143d4d41fb10324e25cedf634.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	779b561143d4d41fb10324e25cedf634.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
832	779b561143d4d41fb10324e25cedf634.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
832	779b561143d4d41fb10324e25cedf634.exe
2760	779b561143d4d41fb10324e25cedf634.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 2760	832	779b561143d4d41fb10324e25cedf634.exe	28
PID 832 wrote to memory of 2760	832	779b561143d4d41fb10324e25cedf634.exe	28
PID 832 wrote to memory of 2760	832	779b561143d4d41fb10324e25cedf634.exe	28
PID 832 wrote to memory of 2760	832	779b561143d4d41fb10324e25cedf634.exe	28

C:\Users\Admin\AppData\Local\Temp\779b561143d4d41fb10324e25cedf634.exe
"C:\Users\Admin\AppData\Local\Temp\779b561143d4d41fb10324e25cedf634.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:832
- C:\Users\Admin\AppData\Local\Temp\779b561143d4d41fb10324e25cedf634.exe
  C:\Users\Admin\AppData\Local\Temp\779b561143d4d41fb10324e25cedf634.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2760

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\Cab450E.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar457E.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\779b561143d4d41fb10324e25cedf634.exe

Filesize
385KB

MD5
1c32b6ee213ae71e4c122e7f7d5eeb74

SHA1
b77032ff6c5b2e08472c10412f64e428d4075e7a

SHA256
6923e21e20340fede03ad700f1279f2f0db9d1906ad3c3ac00b57db8aaea29fa

SHA512
673ba4a8b32328714d3c3484161f9838bbdb8b85ecbcbbe28e8334fdba4c49d184c7d7ea1bb7d9b96030e1de2f8b1255ebcd69ec314145ba9187c28e332a47e1

Download Submit
memory/832-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/832-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/832-12-0x0000000000380000-0x00000000003E6000-memory.dmp

Filesize
408KB

Download
memory/832-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/832-1-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2760-16-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2760-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2760-23-0x00000000014B0000-0x000000000150F000-memory.dmp

Filesize
380KB

Download
memory/2760-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2760-79-0x0000000009710000-0x000000000974C000-memory.dmp

Filesize
240KB

Download
memory/2760-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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