ab58fcf41f468d22512910665ca2c2e01265fb295b6d3a6a93401f7208926206

General

Target

8f9a9fa8eb2a1ac736d550dfb20730c5.exe
Size

7.9MB
MD5

8f9a9fa8eb2a1ac736d550dfb20730c5
SHA1

1c8a178456752a2ef5d926ff858b03c7495f5fe4
SHA256

ab58fcf41f468d22512910665ca2c2e01265fb295b6d3a6a93401f7208926206
SHA512

3d4388a9341937f515211a7b64fc5d445136e98fa1f2e612741dc939aa6e100c7c3c3d8af891adcd48ee484c13f59a147cee84ee19a5859d4992c6b2638c1912
SSDEEP

98304:loNH1oTiMUazLNzfzYUazSErc/ZLUazLNzfzYUazH:KNVoTiMJLBEJ6ZLJLBEJH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1884	8f9a9fa8eb2a1ac736d550dfb20730c5.exe

Executes dropped EXE 1 IoCs

pid	Process
1884	8f9a9fa8eb2a1ac736d550dfb20730c5.exe

Loads dropped DLL 1 IoCs

pid	Process
2684	8f9a9fa8eb2a1ac736d550dfb20730c5.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
3	pastebin.com
4	pastebin.com

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	8f9a9fa8eb2a1ac736d550dfb20730c5.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	8f9a9fa8eb2a1ac736d550dfb20730c5.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	8f9a9fa8eb2a1ac736d550dfb20730c5.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1884	8f9a9fa8eb2a1ac736d550dfb20730c5.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2684	8f9a9fa8eb2a1ac736d550dfb20730c5.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1884	8f9a9fa8eb2a1ac736d550dfb20730c5.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 1884	2684	8f9a9fa8eb2a1ac736d550dfb20730c5.exe	29
PID 2684 wrote to memory of 1884	2684	8f9a9fa8eb2a1ac736d550dfb20730c5.exe	29
PID 2684 wrote to memory of 1884	2684	8f9a9fa8eb2a1ac736d550dfb20730c5.exe	29
PID 2684 wrote to memory of 1884	2684	8f9a9fa8eb2a1ac736d550dfb20730c5.exe	29

C:\Users\Admin\AppData\Local\Temp\8f9a9fa8eb2a1ac736d550dfb20730c5.exe
"C:\Users\Admin\AppData\Local\Temp\8f9a9fa8eb2a1ac736d550dfb20730c5.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Users\Admin\AppData\Local\Temp\8f9a9fa8eb2a1ac736d550dfb20730c5.exe
  C:\Users\Admin\AppData\Local\Temp\8f9a9fa8eb2a1ac736d550dfb20730c5.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of UnmapMainImage
  PID:1884

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\8f9a9fa8eb2a1ac736d550dfb20730c5.exe

Filesize
493KB

MD5
87bc242c030480d3d651004e7ba302d0

SHA1
4fac5606f63bc1d5d00c2abcec3bbd6693b160c8

SHA256
d50b9bd32a3da94720c30573452c335f18a736a3546dadccb05c1a4e05a4b57f

SHA512
1c26b1a0e72fb0303502e2af763780f1339c36253dbb468cf6cf54f2d55bfdaa68393966fbf8a4fbc29796ee481d27b75b96e4b40a715dc5c864565359ba6c6a

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab3D7F.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar3DB1.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\8f9a9fa8eb2a1ac736d550dfb20730c5.exe

Filesize
1.2MB

MD5
4ae4f3b1b17d1439d4dee661c7cad80f

SHA1
91b1e940d3c3c73d20e159c1fecf57b732432d53

SHA256
4208ef8db1f6ae61de6557131b425a7aa4144b87d27288a5516652d791d8a85f

SHA512
e6a0d6384e60fd3279c867d3ebfa343b0e2281f20a41187b45befdad55e921b5bf5a22128ee5bd1d20dcb17199c28e3951198880ff1dc5a36725ad967bbe1557

Download Submit
memory/1884-10-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1884-14-0x0000000002EA0000-0x0000000002F85000-memory.dmp

Filesize
916KB

Download
memory/1884-11-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/1884-67-0x000000000D800000-0x000000000D8A3000-memory.dmp

Filesize
652KB

Download
memory/1884-65-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2684-0-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/2684-6-0x0000000002D40000-0x0000000002E25000-memory.dmp

Filesize
916KB

Download
memory/2684-8-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download

Analysis

Sharing