2d9b9cac17955f85aebd5c07d4861a5cadc514f12b55b7b93d86750566a50e74

General

Target

1f820b3bb798d7cd796506cd0b103fae.exe
Size

771KB
MD5

1f820b3bb798d7cd796506cd0b103fae
SHA1

3e32cbc9bdb283bf2089d1617ebfd6554a29d784
SHA256

2d9b9cac17955f85aebd5c07d4861a5cadc514f12b55b7b93d86750566a50e74
SHA512

f101a9bdaaaa33c8353a14b7825eb8f169c06f4fce44cc4c4fc99bbe51dee432fd3e47374df493fd0490fa26aa5bc7ef0f1125a7bd7789018863d557bdc52285
SSDEEP

12288:8g9yEEpRvgH98q3YkiDbGrEjPzJLniYZ/C9OFEIif0F6rerfrEhU8zFVMB:bCpRvgHD3pQbGrytvZWqEIz6qrfiTMB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1796	1f820b3bb798d7cd796506cd0b103fae.exe

Executes dropped EXE 1 IoCs

pid	Process
1796	1f820b3bb798d7cd796506cd0b103fae.exe

Loads dropped DLL 1 IoCs

pid	Process
2892	1f820b3bb798d7cd796506cd0b103fae.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	1f820b3bb798d7cd796506cd0b103fae.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	1f820b3bb798d7cd796506cd0b103fae.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	1f820b3bb798d7cd796506cd0b103fae.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2892	1f820b3bb798d7cd796506cd0b103fae.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2892	1f820b3bb798d7cd796506cd0b103fae.exe
1796	1f820b3bb798d7cd796506cd0b103fae.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 1796	2892	1f820b3bb798d7cd796506cd0b103fae.exe	27
PID 2892 wrote to memory of 1796	2892	1f820b3bb798d7cd796506cd0b103fae.exe	27
PID 2892 wrote to memory of 1796	2892	1f820b3bb798d7cd796506cd0b103fae.exe	27
PID 2892 wrote to memory of 1796	2892	1f820b3bb798d7cd796506cd0b103fae.exe	27

C:\Users\Admin\AppData\Local\Temp\1f820b3bb798d7cd796506cd0b103fae.exe
"C:\Users\Admin\AppData\Local\Temp\1f820b3bb798d7cd796506cd0b103fae.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Users\Admin\AppData\Local\Temp\1f820b3bb798d7cd796506cd0b103fae.exe
  C:\Users\Admin\AppData\Local\Temp\1f820b3bb798d7cd796506cd0b103fae.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:1796

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\CabBA0E.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarBA30.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\1f820b3bb798d7cd796506cd0b103fae.exe

Filesize
771KB

MD5
967b6c2b2472372051b63b21b9a1beb3

SHA1
c000d414a7614e28a2d527a3cca3f2909aed4dc3

SHA256
dcd8e0dbb994423828d6e977936000374804006f4163faa2e6fc8cf67d176b64

SHA512
2180ce114a36834a048cc59a01b40884c3d57be334ed761ce9059442d075eb46629b2911df5d7093e2fbc1daccd3ccc8f979aec3c999cfa134e25b055489f4fd

Download Submit
memory/1796-16-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/1796-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1796-24-0x00000000014E0000-0x000000000153F000-memory.dmp

Filesize
380KB

Download
memory/1796-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1796-78-0x0000000007580000-0x00000000075BC000-memory.dmp

Filesize
240KB

Download
memory/1796-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2892-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2892-12-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/2892-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2892-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2892-1-0x0000000000350000-0x00000000003B6000-memory.dmp

Filesize
408KB

Download

Analysis

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