5598a9d3ee709ffa1e735fad60145b4ed3b64d2ff4f5dfe3bde3163233e7b4c6

General

Target

b963d23b4611977b17d700c5dc0d8b44.exe
Size

385KB
MD5

b963d23b4611977b17d700c5dc0d8b44
SHA1

dda1dfd6ba72a9bdec606e5216e5cde4fcaff208
SHA256

5598a9d3ee709ffa1e735fad60145b4ed3b64d2ff4f5dfe3bde3163233e7b4c6
SHA512

6682b4a809c28f631a7bda9e74ae664ff784a3e90b33972af2af7bc9eaf81a14904870ebd78c7786d90dfbbd0848db8777c5ebd133fa1b3faf68c6409071b11e
SSDEEP

6144:Ir5irOp1W1FHTzEIyNDO3yyBeJZhqZUAaqhVgkUEMjlpBeSmqYaVKIj64qG47WKo:eZjNeSfg4875Q/9kuBOA/WVDaex+JB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2648	b963d23b4611977b17d700c5dc0d8b44.exe

Executes dropped EXE 1 IoCs

pid	Process
2648	b963d23b4611977b17d700c5dc0d8b44.exe

Loads dropped DLL 1 IoCs

pid	Process
2176	b963d23b4611977b17d700c5dc0d8b44.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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	b963d23b4611977b17d700c5dc0d8b44.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	b963d23b4611977b17d700c5dc0d8b44.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	b963d23b4611977b17d700c5dc0d8b44.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2176	b963d23b4611977b17d700c5dc0d8b44.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2176	b963d23b4611977b17d700c5dc0d8b44.exe
2648	b963d23b4611977b17d700c5dc0d8b44.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 2648	2176	b963d23b4611977b17d700c5dc0d8b44.exe	30
PID 2176 wrote to memory of 2648	2176	b963d23b4611977b17d700c5dc0d8b44.exe	30
PID 2176 wrote to memory of 2648	2176	b963d23b4611977b17d700c5dc0d8b44.exe	30
PID 2176 wrote to memory of 2648	2176	b963d23b4611977b17d700c5dc0d8b44.exe	30

C:\Users\Admin\AppData\Local\Temp\b963d23b4611977b17d700c5dc0d8b44.exe
"C:\Users\Admin\AppData\Local\Temp\b963d23b4611977b17d700c5dc0d8b44.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\AppData\Local\Temp\b963d23b4611977b17d700c5dc0d8b44.exe
  C:\Users\Admin\AppData\Local\Temp\b963d23b4611977b17d700c5dc0d8b44.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2648

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\TarE8EF.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\b963d23b4611977b17d700c5dc0d8b44.exe

Filesize
385KB

MD5
f6a12702108a11fd8c880cc973864fcb

SHA1
f14ade733eb7d736b56253d6333edffdbd249e79

SHA256
ce7c0bbbf50dd85b4c3957766d579dddd932d66c6e9715c3355b3719c0162230

SHA512
ee8f470e61bb25f6ab2441d91a6011cce618625674c849698993c1444b919aaa6e549f185043c67065d2af3207d98e16d97e786c5e15e38edb7f75dfac95ac3d

Download Submit
memory/2176-14-0x0000000000390000-0x00000000003F6000-memory.dmp

Filesize
408KB

Download
memory/2176-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2176-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2176-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2176-2-0x0000000000310000-0x0000000000376000-memory.dmp

Filesize
408KB

Download
memory/2648-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2648-18-0x0000000000320000-0x0000000000386000-memory.dmp

Filesize
408KB

Download
memory/2648-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2648-27-0x0000000002D00000-0x0000000002D5F000-memory.dmp

Filesize
380KB

Download
memory/2648-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2648-86-0x000000000D670000-0x000000000D6AC000-memory.dmp

Filesize
240KB

Download
memory/2648-87-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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