743da49b7eaac316c56d9f54261325d21c3090015fbc51d4f814702fa3203ceb

General

Target

ac736eac8d7d5c64549c1c2287e365e9.exe
Size

385KB
MD5

ac736eac8d7d5c64549c1c2287e365e9
SHA1

1e797d650f3dfb8ebaa0f3cce8a2eb570a3f6330
SHA256

743da49b7eaac316c56d9f54261325d21c3090015fbc51d4f814702fa3203ceb
SHA512

a07369bf559c376872b1a87d1ab6468d56d1fdb0d700cbfb9f042a711abfeb559b2bccb9392b80ceae747f8ea8efbb94806c7dd66ddbc4cee4f539a8f9bb3597
SSDEEP

6144:SyUo00RUn9p/rsze1xByPOoIf8dNfMWW81UNiucAttXB:S6inTsze1xByP44fS8Ac65B

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2460	ac736eac8d7d5c64549c1c2287e365e9.exe

Executes dropped EXE 1 IoCs

pid	Process
2460	ac736eac8d7d5c64549c1c2287e365e9.exe

Loads dropped DLL 1 IoCs

pid	Process
2464	ac736eac8d7d5c64549c1c2287e365e9.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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	ac736eac8d7d5c64549c1c2287e365e9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	ac736eac8d7d5c64549c1c2287e365e9.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	ac736eac8d7d5c64549c1c2287e365e9.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2464	ac736eac8d7d5c64549c1c2287e365e9.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2464	ac736eac8d7d5c64549c1c2287e365e9.exe
2460	ac736eac8d7d5c64549c1c2287e365e9.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 2460	2464	ac736eac8d7d5c64549c1c2287e365e9.exe	28
PID 2464 wrote to memory of 2460	2464	ac736eac8d7d5c64549c1c2287e365e9.exe	28
PID 2464 wrote to memory of 2460	2464	ac736eac8d7d5c64549c1c2287e365e9.exe	28
PID 2464 wrote to memory of 2460	2464	ac736eac8d7d5c64549c1c2287e365e9.exe	28

C:\Users\Admin\AppData\Local\Temp\ac736eac8d7d5c64549c1c2287e365e9.exe
"C:\Users\Admin\AppData\Local\Temp\ac736eac8d7d5c64549c1c2287e365e9.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2464
- C:\Users\Admin\AppData\Local\Temp\ac736eac8d7d5c64549c1c2287e365e9.exe
  C:\Users\Admin\AppData\Local\Temp\ac736eac8d7d5c64549c1c2287e365e9.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2460

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\Tar6CBE.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\ac736eac8d7d5c64549c1c2287e365e9.exe

Filesize
385KB

MD5
6d854c855d36d1fc71051e1cdda28606

SHA1
632153d3629ffa407631e55ac19c4d85a63f3c4b

SHA256
5eed5916c25b315c89a1a62fbe039e64e1d805a2060edb83d1c5bae392a5a531

SHA512
7a78e554982b8cbf0e887b4254e7a0b9f5dd3c5fccff20b7bec05a0054dd27310764c621812040f38324b56bcf72a671264d2bbf515e68bfc87c672812f17a84

Download Submit
memory/2460-16-0x0000000000370000-0x00000000003D6000-memory.dmp

Filesize
408KB

Download
memory/2460-23-0x0000000002CD0000-0x0000000002D2F000-memory.dmp

Filesize
380KB

Download
memory/2460-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2460-80-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2460-86-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2460-84-0x00000000075B0000-0x00000000075EC000-memory.dmp

Filesize
240KB

Download
memory/2464-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2464-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2464-12-0x0000000002CC0000-0x0000000002D26000-memory.dmp

Filesize
408KB

Download
memory/2464-2-0x0000000000370000-0x00000000003D6000-memory.dmp

Filesize
408KB

Download
memory/2464-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

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