a26ba2164eb5be9e05ed9838c64e89cec09af75301cab8109d73d0fe018abbc5

General

Target

5b59503f99a4fb62863cd4b4c441e521.exe
Size

771KB
MD5

5b59503f99a4fb62863cd4b4c441e521
SHA1

b7307438478f60005ceee11f5775b4495d665c9e
SHA256

a26ba2164eb5be9e05ed9838c64e89cec09af75301cab8109d73d0fe018abbc5
SHA512

ae86a8d1377d9a155b1b21b40510007359f770832433c226aeb5b82922252e77ffaee09aabffa84236945a3460a1d37471cf940de511763b54462e8f063a5bfe
SSDEEP

24576:ABzpu08hOJwFRRg6ezN8b10hJaothZ2/T6FBBB:sudhf4TQ/ofT

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2192	5b59503f99a4fb62863cd4b4c441e521.exe

Executes dropped EXE 1 IoCs

pid	Process
2192	5b59503f99a4fb62863cd4b4c441e521.exe

Loads dropped DLL 1 IoCs

pid	Process
2832	5b59503f99a4fb62863cd4b4c441e521.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	5b59503f99a4fb62863cd4b4c441e521.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	5b59503f99a4fb62863cd4b4c441e521.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	5b59503f99a4fb62863cd4b4c441e521.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2832	5b59503f99a4fb62863cd4b4c441e521.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2832	5b59503f99a4fb62863cd4b4c441e521.exe
2192	5b59503f99a4fb62863cd4b4c441e521.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2832 wrote to memory of 2192	2832	5b59503f99a4fb62863cd4b4c441e521.exe	28
PID 2832 wrote to memory of 2192	2832	5b59503f99a4fb62863cd4b4c441e521.exe	28
PID 2832 wrote to memory of 2192	2832	5b59503f99a4fb62863cd4b4c441e521.exe	28
PID 2832 wrote to memory of 2192	2832	5b59503f99a4fb62863cd4b4c441e521.exe	28

C:\Users\Admin\AppData\Local\Temp\5b59503f99a4fb62863cd4b4c441e521.exe
"C:\Users\Admin\AppData\Local\Temp\5b59503f99a4fb62863cd4b4c441e521.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2832
- C:\Users\Admin\AppData\Local\Temp\5b59503f99a4fb62863cd4b4c441e521.exe
  C:\Users\Admin\AppData\Local\Temp\5b59503f99a4fb62863cd4b4c441e521.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2192

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\Cab429E.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar42EF.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\5b59503f99a4fb62863cd4b4c441e521.exe

Filesize
771KB

MD5
fa2e16bf6a1fe59f5cdf2f44b277ec19

SHA1
d67198bdc05192105d2ec13ff388ac941e2cb0fe

SHA256
63bee613d3f71e2666fec627326f556746aa5cfec5c768471bd3c1a81a26895f

SHA512
032c8d21ab70d5f54549f1ab2b731b05e6bdf43f1ad270e2674dae69c4be6bb0703a17b13d94929aa5a5902a994745440350ecbf13f3bfaaa358f48280805f83

Download Submit
memory/2192-25-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

Download
memory/2192-17-0x0000000000320000-0x0000000000386000-memory.dmp

Filesize
408KB

Download
memory/2192-20-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2192-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2192-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2192-80-0x0000000009690000-0x00000000096CC000-memory.dmp

Filesize
240KB

Download
memory/2192-83-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2832-12-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/2832-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2832-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2832-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2832-1-0x0000000000330000-0x0000000000396000-memory.dmp

Filesize
408KB

Download

Analysis

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