2add8a21046d66aca9627c3a4247d35478670ffc2659dd78eb24f9d176f49b76

General

Target

8f7cb4b894bf01641e7094705758572e.exe
Size

385KB
MD5

8f7cb4b894bf01641e7094705758572e
SHA1

3092a091881536a4d99bd17aaaf256821af937d3
SHA256

2add8a21046d66aca9627c3a4247d35478670ffc2659dd78eb24f9d176f49b76
SHA512

32155d7d30b3baee6d40032c62cccc694e0f116e27647d59f23d97bc763e334410fbc9923eb9ef49ec85340e785793647051d8af3d62953ea1d9771e7d3015f0
SSDEEP

6144:/m5V5DcpkeeZQs5iZJSTVv4qFjiAk6XajXE+FgFIf+ZIhWqL7Z6rG/fbQs6svwTB:u5VZk/wwmOj7gFImzo7QwxvwTB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2876	8f7cb4b894bf01641e7094705758572e.exe

Executes dropped EXE 1 IoCs

pid	Process
2876	8f7cb4b894bf01641e7094705758572e.exe

Loads dropped DLL 1 IoCs

pid	Process
2520	8f7cb4b894bf01641e7094705758572e.exe

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

Web Service

T1102

flow	ioc
4	pastebin.com
3	pastebin.com

Modifies system certificate store 2 TTPs 3 IoCs

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	8f7cb4b894bf01641e7094705758572e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	8f7cb4b894bf01641e7094705758572e.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	8f7cb4b894bf01641e7094705758572e.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2520	8f7cb4b894bf01641e7094705758572e.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2520	8f7cb4b894bf01641e7094705758572e.exe
2876	8f7cb4b894bf01641e7094705758572e.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2876	2520	8f7cb4b894bf01641e7094705758572e.exe	28
PID 2520 wrote to memory of 2876	2520	8f7cb4b894bf01641e7094705758572e.exe	28
PID 2520 wrote to memory of 2876	2520	8f7cb4b894bf01641e7094705758572e.exe	28
PID 2520 wrote to memory of 2876	2520	8f7cb4b894bf01641e7094705758572e.exe	28

C:\Users\Admin\AppData\Local\Temp\8f7cb4b894bf01641e7094705758572e.exe
"C:\Users\Admin\AppData\Local\Temp\8f7cb4b894bf01641e7094705758572e.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Local\Temp\8f7cb4b894bf01641e7094705758572e.exe
  C:\Users\Admin\AppData\Local\Temp\8f7cb4b894bf01641e7094705758572e.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2876

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\Cab11BE.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar11D1.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\8f7cb4b894bf01641e7094705758572e.exe

Filesize
385KB

MD5
c1b78def988a5b35e92a533fd95d8bb4

SHA1
04a1dc007af4772dc9a00b1858a59eeb0edc66c7

SHA256
b7f5af65b8963d55f915037c1571f93eaff8c70a67099088ac1f3159841b6d76

SHA512
88b209e44d958ab9222290a944f4ef2e57cd53e3dd74b993fb5ccc49c195f2e9bd883921ecf6ff45c9d74bfee854f310fdf1a497c746b7dfbdbc864701f2958d

Download Submit
memory/2520-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2520-16-0x0000000002DE0000-0x0000000002E46000-memory.dmp

Filesize
408KB

Download
memory/2520-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2520-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2520-2-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2876-19-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2876-21-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2876-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2876-27-0x0000000000300000-0x000000000035F000-memory.dmp

Filesize
380KB

Download
memory/2876-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2876-83-0x000000000D730000-0x000000000D76C000-memory.dmp

Filesize
240KB

Download
memory/2876-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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