b4e7693eea8470e59c908c859b732ef194ff938980ec6485d490c21c79fafea6

General

Target

550797f1c8ee7fcd3818d5ee9cdbdb1b.exe
Size

385KB
MD5

550797f1c8ee7fcd3818d5ee9cdbdb1b
SHA1

6dd3eec632a8c429dec08436140aaddeb435dbaf
SHA256

b4e7693eea8470e59c908c859b732ef194ff938980ec6485d490c21c79fafea6
SHA512

ed4944821e9471c22e0fc1d1e831858fd432b9c26033e7d35a208f666253d43c8e8579f271aad8425079c2be38366e720fb63b2ded04cd0fd448eeac6208a94c
SSDEEP

12288:D0A+GOZXKNs25XBsQ8qEgG9w4XrTDP/eYqZ7gs0JMTwIYeiYynHB:Dkt1KTjD8trt3jffB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2320	550797f1c8ee7fcd3818d5ee9cdbdb1b.exe

Executes dropped EXE 1 IoCs

pid	Process
2320	550797f1c8ee7fcd3818d5ee9cdbdb1b.exe

Loads dropped DLL 1 IoCs

pid	Process
2480	550797f1c8ee7fcd3818d5ee9cdbdb1b.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	550797f1c8ee7fcd3818d5ee9cdbdb1b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	550797f1c8ee7fcd3818d5ee9cdbdb1b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	550797f1c8ee7fcd3818d5ee9cdbdb1b.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2480	550797f1c8ee7fcd3818d5ee9cdbdb1b.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2480	550797f1c8ee7fcd3818d5ee9cdbdb1b.exe
2320	550797f1c8ee7fcd3818d5ee9cdbdb1b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 2320	2480	550797f1c8ee7fcd3818d5ee9cdbdb1b.exe	28
PID 2480 wrote to memory of 2320	2480	550797f1c8ee7fcd3818d5ee9cdbdb1b.exe	28
PID 2480 wrote to memory of 2320	2480	550797f1c8ee7fcd3818d5ee9cdbdb1b.exe	28
PID 2480 wrote to memory of 2320	2480	550797f1c8ee7fcd3818d5ee9cdbdb1b.exe	28

C:\Users\Admin\AppData\Local\Temp\550797f1c8ee7fcd3818d5ee9cdbdb1b.exe
"C:\Users\Admin\AppData\Local\Temp\550797f1c8ee7fcd3818d5ee9cdbdb1b.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Users\Admin\AppData\Local\Temp\550797f1c8ee7fcd3818d5ee9cdbdb1b.exe
  C:\Users\Admin\AppData\Local\Temp\550797f1c8ee7fcd3818d5ee9cdbdb1b.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2320

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\550797f1c8ee7fcd3818d5ee9cdbdb1b.exe

Filesize
385KB

MD5
015e4c0f23507fd5042f32079b6ffc43

SHA1
a28e708f931672694ec5d166148939f6d49ed2f3

SHA256
966ed5959466d60761e47ab2661f0bacd760ff753f298e30cbec2efec8dd34a8

SHA512
95c752e2a5fb1284f74fe4de91ffaf1b6077bdaa669531d0fef78d719a40ea56b7f2b3f50b493b44e4b4948d55643ef30591f33a1299088e586a0a5446b8d74b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab538E.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar53C0.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\550797f1c8ee7fcd3818d5ee9cdbdb1b.exe

Filesize
256KB

MD5
f50992e64fc730068afcb0e22a58dd28

SHA1
f81815b46d4a3afce7c50ec645d3bac25b803204

SHA256
d8120830237b9ab6d00325f2f3101139739a2bd563aa988db8c650c818633c2c

SHA512
0f1a06167298deeb1a49e4f54bc8c7068810eb05dbd0d81e676c0860315f99c79684b2bc7b4acfdb368c5929b30275607294791981b32b4523527962c755e34d

Download Submit
memory/2320-24-0x0000000002CA0000-0x0000000002CFF000-memory.dmp

Filesize
380KB

Download
memory/2320-16-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2320-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2320-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2320-79-0x000000000D6D0000-0x000000000D70C000-memory.dmp

Filesize
240KB

Download
memory/2320-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2480-12-0x0000000002CD0000-0x0000000002D36000-memory.dmp

Filesize
408KB

Download
memory/2480-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2480-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2480-3-0x0000000000370000-0x00000000003D6000-memory.dmp

Filesize
408KB

Download
memory/2480-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

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