55f94199a51771e24a3b92b17d7ebac1be94826dc941d228b2cd491153a67d97

General

Target

b74611aa04f898b49b7688a033198cf4.exe
Size

385KB
MD5

b74611aa04f898b49b7688a033198cf4
SHA1

46654c1eb7e7e76c64c9fc15666e35dfb4ba5ddd
SHA256

55f94199a51771e24a3b92b17d7ebac1be94826dc941d228b2cd491153a67d97
SHA512

6601d2ea4599ee7d91c4e8794514a4af60f10d9a85c88600b62dc410beb840872dbaf191d12c308a91f90388c09fb0c66019df59aa953e826cf2b89b9bba87e1
SSDEEP

12288:6uWKH+imrneWpdkrOzDVn+P0cKjWHzateB:6DLimrn/iKzDVnI0cKjSLB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2628	b74611aa04f898b49b7688a033198cf4.exe

Executes dropped EXE 1 IoCs

pid	Process
2628	b74611aa04f898b49b7688a033198cf4.exe

Loads dropped DLL 1 IoCs

pid	Process
3004	b74611aa04f898b49b7688a033198cf4.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	b74611aa04f898b49b7688a033198cf4.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	b74611aa04f898b49b7688a033198cf4.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	b74611aa04f898b49b7688a033198cf4.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3004	b74611aa04f898b49b7688a033198cf4.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3004	b74611aa04f898b49b7688a033198cf4.exe
2628	b74611aa04f898b49b7688a033198cf4.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 2628	3004	b74611aa04f898b49b7688a033198cf4.exe	28
PID 3004 wrote to memory of 2628	3004	b74611aa04f898b49b7688a033198cf4.exe	28
PID 3004 wrote to memory of 2628	3004	b74611aa04f898b49b7688a033198cf4.exe	28
PID 3004 wrote to memory of 2628	3004	b74611aa04f898b49b7688a033198cf4.exe	28

C:\Users\Admin\AppData\Local\Temp\b74611aa04f898b49b7688a033198cf4.exe
"C:\Users\Admin\AppData\Local\Temp\b74611aa04f898b49b7688a033198cf4.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Users\Admin\AppData\Local\Temp\b74611aa04f898b49b7688a033198cf4.exe
  C:\Users\Admin\AppData\Local\Temp\b74611aa04f898b49b7688a033198cf4.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2628

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\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar852E.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\b74611aa04f898b49b7688a033198cf4.exe

Filesize
385KB

MD5
1f69660f163db35b7715e2b4cd299025

SHA1
156942bb1f34fa9f876263fc8724239044c4e9ee

SHA256
1bdcc96e11337fcaf4b1d19865aa02448b511318b7ec9cad08491d5d7818cfca

SHA512
a3c93dbd9a1723bf76ee61b2f06c746240580a667416ffee64dcfba3341473777283cc0729428254be69ee6eeb26cb66d8a496bd99383d5f5c43d16994eef20c

Download Submit
memory/2628-16-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/2628-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2628-26-0x00000000014E0000-0x000000000153F000-memory.dmp

Filesize
380KB

Download
memory/2628-80-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2628-85-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2628-86-0x00000000075D0000-0x000000000760C000-memory.dmp

Filesize
240KB

Download
memory/3004-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3004-11-0x00000000002A0000-0x0000000000306000-memory.dmp

Filesize
408KB

Download
memory/3004-15-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3004-2-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/3004-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

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