0cff50312bb4e1ecb59ac433e5440f0b724cf451292921f554ffbc04104cc68f

General

Target

63a5c94cc5f23edee3f79cb13c03a519.exe
Size

385KB
MD5

63a5c94cc5f23edee3f79cb13c03a519
SHA1

2e0c2312c2981b3e54b7c27699b6adc515a31458
SHA256

0cff50312bb4e1ecb59ac433e5440f0b724cf451292921f554ffbc04104cc68f
SHA512

6cda5e6f209bc989ded1fe41546a1b5332860ddc72460e0fa05aa64dbb90367c57ebaec2acb6039e06cb493c25427b5644930efdd0e3de6fca69467ca5fa9210
SSDEEP

12288:NocWwciZwGLT9kldv2UrWG4nQK4kkq/+5B:NocWwcvGLylBRrWnv9kqUB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2664	63a5c94cc5f23edee3f79cb13c03a519.exe

Executes dropped EXE 1 IoCs

pid	Process
2664	63a5c94cc5f23edee3f79cb13c03a519.exe

Loads dropped DLL 1 IoCs

pid	Process
2904	63a5c94cc5f23edee3f79cb13c03a519.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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	63a5c94cc5f23edee3f79cb13c03a519.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	63a5c94cc5f23edee3f79cb13c03a519.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	63a5c94cc5f23edee3f79cb13c03a519.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2904	63a5c94cc5f23edee3f79cb13c03a519.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2904	63a5c94cc5f23edee3f79cb13c03a519.exe
2664	63a5c94cc5f23edee3f79cb13c03a519.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2664	2904	63a5c94cc5f23edee3f79cb13c03a519.exe	29
PID 2904 wrote to memory of 2664	2904	63a5c94cc5f23edee3f79cb13c03a519.exe	29
PID 2904 wrote to memory of 2664	2904	63a5c94cc5f23edee3f79cb13c03a519.exe	29
PID 2904 wrote to memory of 2664	2904	63a5c94cc5f23edee3f79cb13c03a519.exe	29

C:\Users\Admin\AppData\Local\Temp\63a5c94cc5f23edee3f79cb13c03a519.exe
"C:\Users\Admin\AppData\Local\Temp\63a5c94cc5f23edee3f79cb13c03a519.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Users\Admin\AppData\Local\Temp\63a5c94cc5f23edee3f79cb13c03a519.exe
  C:\Users\Admin\AppData\Local\Temp\63a5c94cc5f23edee3f79cb13c03a519.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2664

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\Cab27DD.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar281F.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\63a5c94cc5f23edee3f79cb13c03a519.exe

Filesize
385KB

MD5
bd3cdcaca363028326a689c0675b3a33

SHA1
caf0c89a0b13a7c67aa3dd97c08a1d66738d283e

SHA256
9b5be73836acc52b4c92cce3c20d1263d739783b6ab787f01dd7fa4309b2d67a

SHA512
c2f7611d2b620f452c495399f809c912a644efab30ce9d631ea118f02df73dae3e04fb09ae8d67b3a1cf1042bcf740d408c94002c5f2706323a22bd3270e6e8d

Download Submit
memory/2664-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2664-18-0x0000000000370000-0x00000000003D6000-memory.dmp

Filesize
408KB

Download
memory/2664-25-0x0000000002CC0000-0x0000000002D1F000-memory.dmp

Filesize
380KB

Download
memory/2664-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2664-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2664-82-0x0000000008560000-0x000000000859C000-memory.dmp

Filesize
240KB

Download
memory/2664-83-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2904-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2904-12-0x0000000002C90000-0x0000000002CF6000-memory.dmp

Filesize
408KB

Download
memory/2904-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2904-1-0x0000000000360000-0x00000000003C6000-memory.dmp

Filesize
408KB

Download
memory/2904-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

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