552df05f2935fa6be620758c9940a485ee6cf646d1e5f8820fa57eb32467115b

General

Target

baff3693f275b4d82a62e129be13588c.exe
Size

771KB
MD5

baff3693f275b4d82a62e129be13588c
SHA1

454aaa05de83b9219c5580a25d035c8f2df591a8
SHA256

552df05f2935fa6be620758c9940a485ee6cf646d1e5f8820fa57eb32467115b
SHA512

0a31a45b6cc354b0d84e537599988c436f41c3ba09d9f9190b4f26b7795abc57225c0ed57342903977cd48edfee1ff6a8406af3b30e8a10fc8904028ff39fcae
SSDEEP

12288:2RloOSmioKflnh+iuaoO9fq/ipKpACa3/KPzJLniYZ/C9OFEIif0F6rerfrEhU8W:2lEoil3oQoouACaStvZWqEIz6qrfiTMB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2520	baff3693f275b4d82a62e129be13588c.exe

Executes dropped EXE 1 IoCs

pid	Process
2520	baff3693f275b4d82a62e129be13588c.exe

Loads dropped DLL 1 IoCs

pid	Process
2872	baff3693f275b4d82a62e129be13588c.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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	baff3693f275b4d82a62e129be13588c.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	baff3693f275b4d82a62e129be13588c.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	baff3693f275b4d82a62e129be13588c.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2872	baff3693f275b4d82a62e129be13588c.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2872	baff3693f275b4d82a62e129be13588c.exe
2520	baff3693f275b4d82a62e129be13588c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2520	2872	baff3693f275b4d82a62e129be13588c.exe	28
PID 2872 wrote to memory of 2520	2872	baff3693f275b4d82a62e129be13588c.exe	28
PID 2872 wrote to memory of 2520	2872	baff3693f275b4d82a62e129be13588c.exe	28
PID 2872 wrote to memory of 2520	2872	baff3693f275b4d82a62e129be13588c.exe	28

C:\Users\Admin\AppData\Local\Temp\baff3693f275b4d82a62e129be13588c.exe
"C:\Users\Admin\AppData\Local\Temp\baff3693f275b4d82a62e129be13588c.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Users\Admin\AppData\Local\Temp\baff3693f275b4d82a62e129be13588c.exe
  C:\Users\Admin\AppData\Local\Temp\baff3693f275b4d82a62e129be13588c.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2520

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\Tar2E67.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\baff3693f275b4d82a62e129be13588c.exe

Filesize
771KB

MD5
ebe379ea10597dde215d20800a95f5d5

SHA1
edae4d293f0f8eba48fd90626a5cf854909f4b0c

SHA256
7a350da20c6d98947678e30c69ddf5638bb391e61b5b36d2dbb11bb13a29bbbe

SHA512
e7ca033762be76b3d0c1afeac4da64b45998a1e5a4b86f5dc33baf0e18df5fe3a06b1702b985c817254f693db908b7da34902d56decad5e93d245193247c7d59

Download Submit
memory/2520-17-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2520-19-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2520-24-0x0000000000300000-0x000000000035F000-memory.dmp

Filesize
380KB

Download
memory/2520-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2520-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2520-87-0x0000000009630000-0x000000000966C000-memory.dmp

Filesize
240KB

Download
memory/2520-86-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2872-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2872-15-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/2872-1-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2872-3-0x0000000000340000-0x00000000003A6000-memory.dmp

Filesize
408KB

Download
memory/2872-0-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

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