f75770ae11fc39383a69c9c3def0346933cc8249ce79e92d8773f67ff224e66c

General

Target

NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe
Size

386KB
MD5

83a3fbb25da4aa7c33a6a710715539b0
SHA1

57be9281398cae1e206068bff017e32ed54bdf63
SHA256

f75770ae11fc39383a69c9c3def0346933cc8249ce79e92d8773f67ff224e66c
SHA512

bff1064c534262fd830975252e99b259b00f53e39ed81203057e1cb84b4641df81e9190cdc5114093cf5cf0390a88dd4581094623d36bd4493a0ccc4998c73c4
SSDEEP

6144:JDn9/zJOFlEKX30AVzUCI+Zc4iTKhsp6swNjC/DcUiCWvkAjFMB:B9/1oEKXlIpTAGqNjKcUiCWkAjFMB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2516	NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe

Executes dropped EXE 1 IoCs

pid	Process
2516	NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe

Loads dropped DLL 1 IoCs

pid	Process
2196	NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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	NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2196	NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2196	NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe
2516	NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2516	2196	NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe	28
PID 2196 wrote to memory of 2516	2196	NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe	28
PID 2196 wrote to memory of 2516	2196	NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe	28
PID 2196 wrote to memory of 2516	2196	NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Users\Admin\AppData\Local\Temp\NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe
  C:\Users\Admin\AppData\Local\Temp\NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2516

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\Local\Temp\Cab7C34.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe

Filesize
386KB

MD5
dccd945fe577806af146bb55767e6440

SHA1
35a4ac7c529a278ec031adfee9fc97f52d922635

SHA256
6a90c886e4be1a20c48ae647a14746f5dcd1443fb84e06ae7bd95f64bdbed5cd

SHA512
d117dca2463415a9a303e806ec094cb309420228ea82a43cb70e1274c77177f50b1f892b267dfa528a7740769badbd9cc52c6564d93d9aef43666acfa36ee9ff

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar7C75.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Download Submit
\Users\Admin\AppData\Local\Temp\NEAS.83a3fbb25da4aa7c33a6a710715539b0.exe

Filesize
386KB

MD5
dccd945fe577806af146bb55767e6440

SHA1
35a4ac7c529a278ec031adfee9fc97f52d922635

SHA256
6a90c886e4be1a20c48ae647a14746f5dcd1443fb84e06ae7bd95f64bdbed5cd

SHA512
d117dca2463415a9a303e806ec094cb309420228ea82a43cb70e1274c77177f50b1f892b267dfa528a7740769badbd9cc52c6564d93d9aef43666acfa36ee9ff

Download Submit
memory/2196-2-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/2196-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2196-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2196-15-0x0000000002EC0000-0x0000000002F26000-memory.dmp

Filesize
408KB

Download
memory/2196-83-0x0000000002EC0000-0x0000000002F26000-memory.dmp

Filesize
408KB

Download
memory/2196-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2516-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2516-23-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

Download
memory/2516-77-0x000000000E9D0000-0x000000000EA0C000-memory.dmp

Filesize
240KB

Download
memory/2516-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2516-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2516-17-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download

Analysis

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