c193816f5ed013ef0672b9e0fe6648ffccb1a58adc0f47daad73df6afbe5396a

General

Target

4183a1c1c0a8075fdaf6a1aaa35bfacb.exe
Size

385KB
MD5

4183a1c1c0a8075fdaf6a1aaa35bfacb
SHA1

b92741ad4507cd674191a90e4457331968887e25
SHA256

c193816f5ed013ef0672b9e0fe6648ffccb1a58adc0f47daad73df6afbe5396a
SHA512

c21a886938fe72aed651d5138477a4933892573e9ef075ea68b84883b19407a7df1fb7d81a101080fe760fa5e64108549898efe7faeb7ad6012158f2ea6ed1bc
SSDEEP

6144:C/jzKpvk4A8FJ0lFvKdvbWzcqavlQUELHnlKHNWUs2uUk+Ae4pB:Ezavk4A8FICDKAvlQ5zlcNbDk5pB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2260	4183a1c1c0a8075fdaf6a1aaa35bfacb.exe

Executes dropped EXE 1 IoCs

pid	Process
2260	4183a1c1c0a8075fdaf6a1aaa35bfacb.exe

Loads dropped DLL 1 IoCs

pid	Process
2456	4183a1c1c0a8075fdaf6a1aaa35bfacb.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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	4183a1c1c0a8075fdaf6a1aaa35bfacb.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	4183a1c1c0a8075fdaf6a1aaa35bfacb.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	4183a1c1c0a8075fdaf6a1aaa35bfacb.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2456	4183a1c1c0a8075fdaf6a1aaa35bfacb.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2456	4183a1c1c0a8075fdaf6a1aaa35bfacb.exe
2260	4183a1c1c0a8075fdaf6a1aaa35bfacb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 2260	2456	4183a1c1c0a8075fdaf6a1aaa35bfacb.exe	28
PID 2456 wrote to memory of 2260	2456	4183a1c1c0a8075fdaf6a1aaa35bfacb.exe	28
PID 2456 wrote to memory of 2260	2456	4183a1c1c0a8075fdaf6a1aaa35bfacb.exe	28
PID 2456 wrote to memory of 2260	2456	4183a1c1c0a8075fdaf6a1aaa35bfacb.exe	28

C:\Users\Admin\AppData\Local\Temp\4183a1c1c0a8075fdaf6a1aaa35bfacb.exe
"C:\Users\Admin\AppData\Local\Temp\4183a1c1c0a8075fdaf6a1aaa35bfacb.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2456
- C:\Users\Admin\AppData\Local\Temp\4183a1c1c0a8075fdaf6a1aaa35bfacb.exe
  C:\Users\Admin\AppData\Local\Temp\4183a1c1c0a8075fdaf6a1aaa35bfacb.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2260

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\Cab83B3.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar8413.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\4183a1c1c0a8075fdaf6a1aaa35bfacb.exe

Filesize
385KB

MD5
db7484cecf7d871cceb80f4b43364a7d

SHA1
c77e4fd2785617a1902eca7f33e8a442d76c93d5

SHA256
683e8ed6d8be9560c9e47f40f53735be4285fe6bbeeaf7768982047451cc1d59

SHA512
658e09f8c27924994fe75844b5673049c8a4c2393d31c4ab8968cfc14916001bdd42597d13e55bff2f4382f7553c429a480d67ad97be556772a23780d3fce48c

Download Submit
memory/2260-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2260-17-0x0000000000330000-0x0000000000396000-memory.dmp

Filesize
408KB

Download
memory/2260-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2260-26-0x0000000002BA0000-0x0000000002BFF000-memory.dmp

Filesize
380KB

Download
memory/2260-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2260-80-0x000000000EA00000-0x000000000EA3C000-memory.dmp

Filesize
240KB

Download
memory/2260-83-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2456-12-0x0000000000380000-0x00000000003E6000-memory.dmp

Filesize
408KB

Download
memory/2456-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2456-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2456-3-0x0000000000310000-0x0000000000376000-memory.dmp

Filesize
408KB

Download
memory/2456-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

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