fba483eb0a67c65f639a832f0ede4574c77c70141945de2de030f390d2458077

General

Target

58c3bb0b6f43606fc0470cb40ff9eca8.exe
Size

385KB
MD5

58c3bb0b6f43606fc0470cb40ff9eca8
SHA1

4279b6a4e203eaae69455838eac976a44c6f8ef3
SHA256

fba483eb0a67c65f639a832f0ede4574c77c70141945de2de030f390d2458077
SHA512

86bc14632aff7ecfd81046f36175d328a2d0e40bfd5881fa1a757e5b5f328d876ac57dcf0d186bdd50c08dede6233fdf0038930e2c6f1508b2abc1eb7a1d88dc
SSDEEP

6144:VF/57C22z2rD7pCUsQtG/9zd+6oJAXwDAjPhlp5+HerASB0N9YosVOalOEY24v+B:VOSxCWG0AgDmTgIBQ9eEwOEY2ZB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2432	58c3bb0b6f43606fc0470cb40ff9eca8.exe

Executes dropped EXE 1 IoCs

pid	Process
2432	58c3bb0b6f43606fc0470cb40ff9eca8.exe

Loads dropped DLL 1 IoCs

pid	Process
1620	58c3bb0b6f43606fc0470cb40ff9eca8.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	58c3bb0b6f43606fc0470cb40ff9eca8.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	58c3bb0b6f43606fc0470cb40ff9eca8.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	58c3bb0b6f43606fc0470cb40ff9eca8.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1620	58c3bb0b6f43606fc0470cb40ff9eca8.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1620	58c3bb0b6f43606fc0470cb40ff9eca8.exe
2432	58c3bb0b6f43606fc0470cb40ff9eca8.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2432	1620	58c3bb0b6f43606fc0470cb40ff9eca8.exe	28
PID 1620 wrote to memory of 2432	1620	58c3bb0b6f43606fc0470cb40ff9eca8.exe	28
PID 1620 wrote to memory of 2432	1620	58c3bb0b6f43606fc0470cb40ff9eca8.exe	28
PID 1620 wrote to memory of 2432	1620	58c3bb0b6f43606fc0470cb40ff9eca8.exe	28

C:\Users\Admin\AppData\Local\Temp\58c3bb0b6f43606fc0470cb40ff9eca8.exe
"C:\Users\Admin\AppData\Local\Temp\58c3bb0b6f43606fc0470cb40ff9eca8.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Users\Admin\AppData\Local\Temp\58c3bb0b6f43606fc0470cb40ff9eca8.exe
  C:\Users\Admin\AppData\Local\Temp\58c3bb0b6f43606fc0470cb40ff9eca8.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2432

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\58c3bb0b6f43606fc0470cb40ff9eca8.exe

Filesize
128KB

MD5
25755a8ea0fbc2e827948ca172f6c912

SHA1
fc8efaecd5a6f4133b759b3718ea681d143e759b

SHA256
5f48cb1f8a9d12a2403567174f90656e99f66117b474877d4de2d19e0fa1bd2a

SHA512
229b4ffb04294e6c7f0438e4fe5c41e29da90cbafe2731ae8d216567383b7273b066b245cfd4295a077a44d4a24d182e3708323b526f04c827e3d51dc2cb93a3

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab3A25.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar3A76.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\58c3bb0b6f43606fc0470cb40ff9eca8.exe

Filesize
385KB

MD5
bab7946e4e4a931100485dcda08c4e73

SHA1
a3a107bf7a7026c5067d292c890cfbe68b13aea7

SHA256
a098345c8de5f48ad6384c7ee4bf0070b7dc4cf0c2094365e3b2214b3e0e0507

SHA512
62a781621d7a977e2cee660c48526935d2c410faf04f43267bcdc7ed196f31121713cd49745f4e494294c119a422e4ea7ea3588c6b74d47d82ac091c1ceb6718

Download Submit
memory/1620-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1620-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1620-12-0x0000000002DF0000-0x0000000002E56000-memory.dmp

Filesize
408KB

Download
memory/1620-2-0x0000000000390000-0x00000000003F6000-memory.dmp

Filesize
408KB

Download
memory/1620-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2432-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2432-19-0x0000000000310000-0x0000000000376000-memory.dmp

Filesize
408KB

Download
memory/2432-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2432-23-0x0000000001550000-0x00000000015AF000-memory.dmp

Filesize
380KB

Download
memory/2432-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2432-83-0x000000000D6D0000-0x000000000D70C000-memory.dmp

Filesize
240KB

Download
memory/2432-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

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