b90a9ac63779ea4d3ad86c2980b2837efc0ed53a3128ec05b5f6167764da0a1d

General

Target

de8b764b7d04475aff143fa687db78be.exe
Size

385KB
MD5

de8b764b7d04475aff143fa687db78be
SHA1

b77f5b10331b0ca5617f30a07fe85efd66a49c54
SHA256

b90a9ac63779ea4d3ad86c2980b2837efc0ed53a3128ec05b5f6167764da0a1d
SHA512

a580adf97120db8ee27d62bdec30a1c6268ec820a4bdd2411aa7c742aa074a91708f74be45dd9e0013da73766ccf5a1dbbb02c623f2b874805ac8c91cddf75ff
SSDEEP

12288:tE4tNqNanq/TEYHshJKacSLV9G63bEjmcTB:tEeNqs8inKaJV9G++JB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2080	de8b764b7d04475aff143fa687db78be.exe

Executes dropped EXE 1 IoCs

pid	Process
2080	de8b764b7d04475aff143fa687db78be.exe

Loads dropped DLL 1 IoCs

pid	Process
2276	de8b764b7d04475aff143fa687db78be.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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	de8b764b7d04475aff143fa687db78be.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	de8b764b7d04475aff143fa687db78be.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	de8b764b7d04475aff143fa687db78be.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2276	de8b764b7d04475aff143fa687db78be.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2276	de8b764b7d04475aff143fa687db78be.exe
2080	de8b764b7d04475aff143fa687db78be.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2080	2276	de8b764b7d04475aff143fa687db78be.exe	28
PID 2276 wrote to memory of 2080	2276	de8b764b7d04475aff143fa687db78be.exe	28
PID 2276 wrote to memory of 2080	2276	de8b764b7d04475aff143fa687db78be.exe	28
PID 2276 wrote to memory of 2080	2276	de8b764b7d04475aff143fa687db78be.exe	28

C:\Users\Admin\AppData\Local\Temp\de8b764b7d04475aff143fa687db78be.exe
"C:\Users\Admin\AppData\Local\Temp\de8b764b7d04475aff143fa687db78be.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Users\Admin\AppData\Local\Temp\de8b764b7d04475aff143fa687db78be.exe
  C:\Users\Admin\AppData\Local\Temp\de8b764b7d04475aff143fa687db78be.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2080

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\Tar10BA.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\de8b764b7d04475aff143fa687db78be.exe

Filesize
385KB

MD5
2a103544f86bec2578ea1b515215826c

SHA1
8881577fe1012d30c1c1e90882214c3b7ecc9015

SHA256
83ac3a75c97713d93a5dd81f735ef0a2ec90b96b17a5638e20ed0545aa655ebd

SHA512
b5af7055136bb1945d30944ee6da5ba2cd34ed3e8083bf25ebe94c9ed6c5f6573c536b5334fb91b439d840bb51ecbd1383be55fc950efcc289ef8f03192d6ac1

Download Submit
memory/2080-29-0x0000000002D40000-0x0000000002D9F000-memory.dmp

Filesize
380KB

Download
memory/2080-17-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2080-19-0x0000000000340000-0x00000000003A6000-memory.dmp

Filesize
408KB

Download
memory/2080-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2080-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2080-86-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2080-87-0x00000000095D0000-0x000000000960C000-memory.dmp

Filesize
240KB

Download
memory/2276-12-0x00000000002C0000-0x0000000000326000-memory.dmp

Filesize
408KB

Download
memory/2276-15-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2276-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2276-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2276-2-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download

Analysis

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