55c12b56977405f3fabdc0d66b975ec1358dcbad0eb6582a4f35d6db3b962899

General

Target

ca17140569ce2ef4409f84fc805ffc91.exe
Size

385KB
MD5

ca17140569ce2ef4409f84fc805ffc91
SHA1

fe3365fcbe3180e78dd6ffd9b1cb9853a7633ed3
SHA256

55c12b56977405f3fabdc0d66b975ec1358dcbad0eb6582a4f35d6db3b962899
SHA512

87345ff1c8e97e00602b69cdb0e5279419391e1525bb72999479b9401da838afff43fcfd2aae64b6dffbf832998d27ac8823d2e75b334db197acd11011d6521a
SSDEEP

12288:qHYjdRVWOSDvCdxJ0imYitmUUx10OkIn6B:qH2XUxsxiiM4txGo6B

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1744	ca17140569ce2ef4409f84fc805ffc91.exe

Executes dropped EXE 1 IoCs

pid	Process
1744	ca17140569ce2ef4409f84fc805ffc91.exe

Loads dropped DLL 1 IoCs

pid	Process
2328	ca17140569ce2ef4409f84fc805ffc91.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	ca17140569ce2ef4409f84fc805ffc91.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	ca17140569ce2ef4409f84fc805ffc91.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	ca17140569ce2ef4409f84fc805ffc91.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2328	ca17140569ce2ef4409f84fc805ffc91.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2328	ca17140569ce2ef4409f84fc805ffc91.exe
1744	ca17140569ce2ef4409f84fc805ffc91.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 1744	2328	ca17140569ce2ef4409f84fc805ffc91.exe	28
PID 2328 wrote to memory of 1744	2328	ca17140569ce2ef4409f84fc805ffc91.exe	28
PID 2328 wrote to memory of 1744	2328	ca17140569ce2ef4409f84fc805ffc91.exe	28
PID 2328 wrote to memory of 1744	2328	ca17140569ce2ef4409f84fc805ffc91.exe	28

C:\Users\Admin\AppData\Local\Temp\ca17140569ce2ef4409f84fc805ffc91.exe
"C:\Users\Admin\AppData\Local\Temp\ca17140569ce2ef4409f84fc805ffc91.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Users\Admin\AppData\Local\Temp\ca17140569ce2ef4409f84fc805ffc91.exe
  C:\Users\Admin\AppData\Local\Temp\ca17140569ce2ef4409f84fc805ffc91.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:1744

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\Tar15C9.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\ca17140569ce2ef4409f84fc805ffc91.exe

Filesize
385KB

MD5
2c5645a57a1b221cf9d1da44c4c94658

SHA1
d10ae216bb4293e859ee92ac6996662ea63f0c2f

SHA256
8e749c50f374b9a98047a2a86be2541d1a1346644a03e32fdece423eaf597bdf

SHA512
da4e2458f52a0103a31388869f66196a3baff4fe79304a8fce8ed916addb94c5e07b636876c225c0a64883491cb5669fc3dcba6e29e85c4cc362866c71039cc0

Download Submit
memory/1744-20-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1744-17-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/1744-23-0x0000000000340000-0x000000000039F000-memory.dmp

Filesize
380KB

Download
memory/1744-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1744-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1744-85-0x0000000009610000-0x000000000964C000-memory.dmp

Filesize
240KB

Download
memory/1744-87-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2328-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2328-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2328-12-0x0000000002DB0000-0x0000000002E16000-memory.dmp

Filesize
408KB

Download
memory/2328-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2328-1-0x0000000000260000-0x00000000002C6000-memory.dmp

Filesize
408KB

Download

Analysis

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