43fc96821a0a0f3e2c186bb12619c4e2dc3bbae2d20f836c423af62a78bd4372

General

Target

caebfe9ed95f6b425bd7f6a1bcced306.exe
Size

907KB
MD5

caebfe9ed95f6b425bd7f6a1bcced306
SHA1

cdc210270e85de174a468f46ba6662a9292c19b9
SHA256

43fc96821a0a0f3e2c186bb12619c4e2dc3bbae2d20f836c423af62a78bd4372
SHA512

40296e52e445ec91e162965e7880f6e19d7963b1a60ce18c55181eacd2e768f3aee98edc15a35bd8e0d615ad9ab886859c81e58ff0dc8baa36c220af7a023c5f
SSDEEP

12288:kJ5A4EqXEseqvZlLBsLb0KK/55JKs989bHR8251Jpkbxqtuu3Cg+Uf/xfgzwjIlC:sAxqnfX9sv0ubHy41JpklAuCZ46a/ZS1

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2380	caebfe9ed95f6b425bd7f6a1bcced306.exe

Executes dropped EXE 1 IoCs

pid	Process
2380	caebfe9ed95f6b425bd7f6a1bcced306.exe

Loads dropped DLL 1 IoCs

pid	Process
3028	caebfe9ed95f6b425bd7f6a1bcced306.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	caebfe9ed95f6b425bd7f6a1bcced306.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	caebfe9ed95f6b425bd7f6a1bcced306.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	caebfe9ed95f6b425bd7f6a1bcced306.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3028	caebfe9ed95f6b425bd7f6a1bcced306.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3028	caebfe9ed95f6b425bd7f6a1bcced306.exe
2380	caebfe9ed95f6b425bd7f6a1bcced306.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2380	3028	caebfe9ed95f6b425bd7f6a1bcced306.exe	29
PID 3028 wrote to memory of 2380	3028	caebfe9ed95f6b425bd7f6a1bcced306.exe	29
PID 3028 wrote to memory of 2380	3028	caebfe9ed95f6b425bd7f6a1bcced306.exe	29
PID 3028 wrote to memory of 2380	3028	caebfe9ed95f6b425bd7f6a1bcced306.exe	29

C:\Users\Admin\AppData\Local\Temp\caebfe9ed95f6b425bd7f6a1bcced306.exe
"C:\Users\Admin\AppData\Local\Temp\caebfe9ed95f6b425bd7f6a1bcced306.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Users\Admin\AppData\Local\Temp\caebfe9ed95f6b425bd7f6a1bcced306.exe
  C:\Users\Admin\AppData\Local\Temp\caebfe9ed95f6b425bd7f6a1bcced306.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2380

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\Tar1A5B.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\caebfe9ed95f6b425bd7f6a1bcced306.exe

Filesize
907KB

MD5
133f182b37b1dce4bc39a1f99d81f061

SHA1
8d221edaa2a1dc6090af7165b3ad3b91a8fdc61f

SHA256
eb51163018a89442c1391b384e833c62b7976ddcca4371a3e48e4d0b00b3cd4c

SHA512
17ddb7e2f6cc5d0dbbca877d521f7a604a54f837d98106b21501accc916da77c8b90762107379d152c17b5b0bd095dc5c1416788d572d776537f01491b692664

Download Submit
memory/2380-17-0x0000000000300000-0x00000000003E8000-memory.dmp

Filesize
928KB

Download
memory/2380-20-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2380-23-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2380-24-0x0000000002EC0000-0x0000000002F7B000-memory.dmp

Filesize
748KB

Download
memory/2380-81-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2380-87-0x000000000FF30000-0x000000000FFC8000-memory.dmp

Filesize
608KB

Download
memory/3028-14-0x0000000003220000-0x0000000003308000-memory.dmp

Filesize
928KB

Download
memory/3028-13-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/3028-0-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/3028-6-0x00000000014F0000-0x00000000015D8000-memory.dmp

Filesize
928KB

Download
memory/3028-1-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download

Analysis

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