a7f055c1bac12156e3aaa774c9c56f1e1f26203b4af25ddac03da5fb9a4f6715

General

Target

NEAS.6c4d41630de0040685f6b0f31afa3d40.exe
Size

121KB
MD5

6c4d41630de0040685f6b0f31afa3d40
SHA1

1a2f1f5e154329089d072f87684ce10972ed593d
SHA256

a7f055c1bac12156e3aaa774c9c56f1e1f26203b4af25ddac03da5fb9a4f6715
SHA512

6fe670d0c6716fa0f8df023f5de7ada601c53c3d5dfec4ee834bd7414f16db0ed000340a310149abae3c57294dd2c5e69f15b20ab0f97c6626a9d796f7364425
SSDEEP

3072:FlnnJBSX1nV1b1N1Il1k1YFI1x1J1MuEqx517Q/1T1Jzct01Nbnl1RRhCHODpOJY:zw6P

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1684	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1684	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	NEAS.6c4d41630de0040685f6b0f31afa3d40.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	NEAS.6c4d41630de0040685f6b0f31afa3d40.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	microsofthelp.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	microsofthelp.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	microsofthelp.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1684	microsofthelp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 1684	1680	NEAS.6c4d41630de0040685f6b0f31afa3d40.exe	28
PID 1680 wrote to memory of 1684	1680	NEAS.6c4d41630de0040685f6b0f31afa3d40.exe	28
PID 1680 wrote to memory of 1684	1680	NEAS.6c4d41630de0040685f6b0f31afa3d40.exe	28
PID 1680 wrote to memory of 1684	1680	NEAS.6c4d41630de0040685f6b0f31afa3d40.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.6c4d41630de0040685f6b0f31afa3d40.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.6c4d41630de0040685f6b0f31afa3d40.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies system certificate store
  - Suspicious use of SetWindowsHookEx
  PID:1684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabA94C.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarAA87.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Download Submit
C:\Windows\microsofthelp.exe

Filesize
121KB

MD5
1a3bcbc49738674b2171a8c6fe42c83a

SHA1
69a74e22faa48d586a97c6592c4dff25d0a49aa2

SHA256
e11aa3272ba02d8074a722e66489bda840e82694215352d7535838e30335a08a

SHA512
1db439369ef7e44e7ad4b4e0941b5b780a6249d776f98469679fe7368b9c0e8262d09f56682220d72656c6aaa73898cd5da1506376056ebae3ba49800f4b7486

Download Submit
C:\Windows\microsofthelp.exe

Filesize
121KB

MD5
1a3bcbc49738674b2171a8c6fe42c83a

SHA1
69a74e22faa48d586a97c6592c4dff25d0a49aa2

SHA256
e11aa3272ba02d8074a722e66489bda840e82694215352d7535838e30335a08a

SHA512
1db439369ef7e44e7ad4b4e0941b5b780a6249d776f98469679fe7368b9c0e8262d09f56682220d72656c6aaa73898cd5da1506376056ebae3ba49800f4b7486

Download Submit
C:\Windows\microsofthelp.exe

Filesize
121KB

MD5
1a3bcbc49738674b2171a8c6fe42c83a

SHA1
69a74e22faa48d586a97c6592c4dff25d0a49aa2

SHA256
e11aa3272ba02d8074a722e66489bda840e82694215352d7535838e30335a08a

SHA512
1db439369ef7e44e7ad4b4e0941b5b780a6249d776f98469679fe7368b9c0e8262d09f56682220d72656c6aaa73898cd5da1506376056ebae3ba49800f4b7486

Download Submit
memory/1680-9-0x0000000000020000-0x000000000002C000-memory.dmp

Filesize
48KB

Download
memory/1680-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1680-3-0x0000000000020000-0x000000000002C000-memory.dmp

Filesize
48KB

Download
memory/1680-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1680-72-0x0000000000020000-0x000000000002C000-memory.dmp

Filesize
48KB

Download
memory/1684-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1684-14-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/1684-64-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1684-73-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads