da41626e56bb0e41175524a733dafd05e9f4d5c04fb2b338423607408c046c3c

General

Target

cd1b0c96cb8012b9238fa88cb2a5e57d.exe
Size

907KB
MD5

cd1b0c96cb8012b9238fa88cb2a5e57d
SHA1

8f0a3cd86387f560f68b09e71840d5923ed316b7
SHA256

da41626e56bb0e41175524a733dafd05e9f4d5c04fb2b338423607408c046c3c
SHA512

1beec7d2837f543efe1383fd6bc16d074169761cb01f5cb42754348e5d80386d73697879811439f60247aeea8a0aa2e62c9b3b275e8d9784b5c188bd254e9972
SSDEEP

12288:sY8YtJVAFPmcbSCd9DVIWWtPSn2BWKVGsea3MTq+2J7TK+QMZUjOBUTL6VVZqlS8:sjI62UKKQMTqjM+/Z4LE0vO+Ha/ZS1

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2252	cd1b0c96cb8012b9238fa88cb2a5e57d.exe

Executes dropped EXE 1 IoCs

pid	Process
2252	cd1b0c96cb8012b9238fa88cb2a5e57d.exe

Loads dropped DLL 1 IoCs

pid	Process
1968	cd1b0c96cb8012b9238fa88cb2a5e57d.exe

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

Web Service

T1102

flow	ioc
4	pastebin.com
5	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	cd1b0c96cb8012b9238fa88cb2a5e57d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	cd1b0c96cb8012b9238fa88cb2a5e57d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	cd1b0c96cb8012b9238fa88cb2a5e57d.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1968	cd1b0c96cb8012b9238fa88cb2a5e57d.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1968	cd1b0c96cb8012b9238fa88cb2a5e57d.exe
2252	cd1b0c96cb8012b9238fa88cb2a5e57d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 2252	1968	cd1b0c96cb8012b9238fa88cb2a5e57d.exe	29
PID 1968 wrote to memory of 2252	1968	cd1b0c96cb8012b9238fa88cb2a5e57d.exe	29
PID 1968 wrote to memory of 2252	1968	cd1b0c96cb8012b9238fa88cb2a5e57d.exe	29
PID 1968 wrote to memory of 2252	1968	cd1b0c96cb8012b9238fa88cb2a5e57d.exe	29

C:\Users\Admin\AppData\Local\Temp\cd1b0c96cb8012b9238fa88cb2a5e57d.exe
"C:\Users\Admin\AppData\Local\Temp\cd1b0c96cb8012b9238fa88cb2a5e57d.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Users\Admin\AppData\Local\Temp\cd1b0c96cb8012b9238fa88cb2a5e57d.exe
  C:\Users\Admin\AppData\Local\Temp\cd1b0c96cb8012b9238fa88cb2a5e57d.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2252

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\TarB87D.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\cd1b0c96cb8012b9238fa88cb2a5e57d.exe

Filesize
907KB

MD5
3df33d36ab4b096b47be5206e7ff5c08

SHA1
7398a6f1a0cadd6ed6e8b7cf68595b7b6b6dc55c

SHA256
8f59078b31cab6979355d56fe7b2bb93f7a2a47336ec1b509de3b2042e6d3a44

SHA512
878fb6a1130c338af8e98e0c458f5c088b7208566fd202ab3a18cefc9cf51fe7123196f3e69a9676a5d012aa1bb919778bc841e329fc315f4ce95d7ea4debc6e

Download Submit
memory/1968-0-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/1968-12-0x0000000003240000-0x0000000003328000-memory.dmp

Filesize
928KB

Download
memory/1968-14-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/1968-1-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/1968-2-0x00000000014F0000-0x00000000015D8000-memory.dmp

Filesize
928KB

Download
memory/2252-17-0x00000000015B0000-0x0000000001698000-memory.dmp

Filesize
928KB

Download
memory/2252-22-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2252-26-0x0000000002F20000-0x0000000002FDB000-memory.dmp

Filesize
748KB

Download
memory/2252-81-0x000000000EC50000-0x000000000ECE8000-memory.dmp

Filesize
608KB

Download
memory/2252-80-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download

Analysis

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