3b585d6f3ad93dc9f085ffb91dc4d7ef331d416f4948c5850c4535b7d2144209

General

Target

c50e61c7d38f4e13613e98b5c0b6b4a2.exe
Size

385KB
MD5

c50e61c7d38f4e13613e98b5c0b6b4a2
SHA1

31514a58efebe3bbf604ddf250316f307dd66f57
SHA256

3b585d6f3ad93dc9f085ffb91dc4d7ef331d416f4948c5850c4535b7d2144209
SHA512

1b6ef62ea0b1cc8e0b8359f6e5e5834c8aff92ba1c34b41d13690c1ca95d37ea7c879754c172740ea6420e8cb4659316890c9a3a6ee74ca2e5761f75ec1cda2a
SSDEEP

6144:mp2UNSG9uTvFPqbqnQ2D9/n5HvymxNmPbMn9m10tDP82mPA4J7jBeKYzIEIPvB:mZovFQqnQ2BP5HvyDTC04kwkBe38vB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2064	c50e61c7d38f4e13613e98b5c0b6b4a2.exe

Executes dropped EXE 1 IoCs

pid	Process
2064	c50e61c7d38f4e13613e98b5c0b6b4a2.exe

Loads dropped DLL 1 IoCs

pid	Process
2020	c50e61c7d38f4e13613e98b5c0b6b4a2.exe

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

Web Service

T1102

flow	ioc
3	pastebin.com
5	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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	c50e61c7d38f4e13613e98b5c0b6b4a2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	c50e61c7d38f4e13613e98b5c0b6b4a2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	c50e61c7d38f4e13613e98b5c0b6b4a2.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2020	c50e61c7d38f4e13613e98b5c0b6b4a2.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2020	c50e61c7d38f4e13613e98b5c0b6b4a2.exe
2064	c50e61c7d38f4e13613e98b5c0b6b4a2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 2064	2020	c50e61c7d38f4e13613e98b5c0b6b4a2.exe	28
PID 2020 wrote to memory of 2064	2020	c50e61c7d38f4e13613e98b5c0b6b4a2.exe	28
PID 2020 wrote to memory of 2064	2020	c50e61c7d38f4e13613e98b5c0b6b4a2.exe	28
PID 2020 wrote to memory of 2064	2020	c50e61c7d38f4e13613e98b5c0b6b4a2.exe	28

C:\Users\Admin\AppData\Local\Temp\c50e61c7d38f4e13613e98b5c0b6b4a2.exe
"C:\Users\Admin\AppData\Local\Temp\c50e61c7d38f4e13613e98b5c0b6b4a2.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Users\Admin\AppData\Local\Temp\c50e61c7d38f4e13613e98b5c0b6b4a2.exe
  C:\Users\Admin\AppData\Local\Temp\c50e61c7d38f4e13613e98b5c0b6b4a2.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2064

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\Tar86D3.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\c50e61c7d38f4e13613e98b5c0b6b4a2.exe

Filesize
385KB

MD5
89e8afdc21859ed577a807a459993e05

SHA1
30c8d0b40e544a1761204472aa97f0e0a8a24346

SHA256
7530498b45db6c55177f1ce444f243c8d97dd766d74a7d42e3396563dcc314a9

SHA512
c906cf388e15a47429eb96c89f0294a3eccda43278264e53bcfe523c6736bd2dac2d732ed778228ea604002aab12b7404ddeedda8df7838b12dbb359e6de1f09

Download Submit
memory/2020-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2020-2-0x0000000000210000-0x0000000000276000-memory.dmp

Filesize
408KB

Download
memory/2020-12-0x0000000002DA0000-0x0000000002E06000-memory.dmp

Filesize
408KB

Download
memory/2020-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2020-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2064-18-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2064-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2064-24-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

Download
memory/2064-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2064-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2064-86-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2064-87-0x00000000076A0000-0x00000000076DC000-memory.dmp

Filesize
240KB

Download

Analysis

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