866b1cd0f27664183810990a044f57c182fe978c4127dbc400721d97f041592c

Analysis

max time kernel
149s
max time network
126s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
05/10/2023, 18:44

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General

Target

7893ed27eab861689661009f72c10da0_JC.exe
Size

98KB
MD5

7893ed27eab861689661009f72c10da0
SHA1

4b05c2ce2dbd82bc6245c112a157079326839b97
SHA256

866b1cd0f27664183810990a044f57c182fe978c4127dbc400721d97f041592c
SHA512

a6b07ed9ffc0e177fca7c4a46583da2e9732897db10fdf32c7ac852785f9de558531a79e62d9c380c6ee1aa4c3e463dfec79b2759e46271b00da3b40619a0eca
SSDEEP

3072:/AoAliulHnJBSX1nV1b1N1Il1k1YFI1x1J1MuEqx517Q/1T1Jzct01Nbnl1RRhC5:4SAw6

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1936	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1936	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-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	7893ed27eab861689661009f72c10da0_JC.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	7893ed27eab861689661009f72c10da0_JC.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2996 wrote to memory of 1936	2996	7893ed27eab861689661009f72c10da0_JC.exe	28
PID 2996 wrote to memory of 1936	2996	7893ed27eab861689661009f72c10da0_JC.exe	28
PID 2996 wrote to memory of 1936	2996	7893ed27eab861689661009f72c10da0_JC.exe	28
PID 2996 wrote to memory of 1936	2996	7893ed27eab861689661009f72c10da0_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\7893ed27eab861689661009f72c10da0_JC.exe
"C:\Users\Admin\AppData\Local\Temp\7893ed27eab861689661009f72c10da0_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:1936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\microsofthelp.exe

Filesize
98KB

MD5
d3a2fc38259bbb883ca099dc9de877c9

SHA1
3df7294955c222f70dac0a39f8eac9b9fad86aae

SHA256
cbc3c8156cf13a41e546e6b6a5b2a4e82a6241d77b2251a61b44e931b5a271f6

SHA512
4ef70c57f75c55a3396d95dc99788fa91506ea8e4a64d56f9082d39a761b83427f1eedd24cc70dd8d1058845bdbf090bd12631dc60a99356eb615cd2a77c2d99

Download Submit
C:\Windows\microsofthelp.exe

Filesize
98KB

MD5
d3a2fc38259bbb883ca099dc9de877c9

SHA1
3df7294955c222f70dac0a39f8eac9b9fad86aae

SHA256
cbc3c8156cf13a41e546e6b6a5b2a4e82a6241d77b2251a61b44e931b5a271f6

SHA512
4ef70c57f75c55a3396d95dc99788fa91506ea8e4a64d56f9082d39a761b83427f1eedd24cc70dd8d1058845bdbf090bd12631dc60a99356eb615cd2a77c2d99

Download Submit
C:\Windows\microsofthelp.exe

Filesize
98KB

MD5
d3a2fc38259bbb883ca099dc9de877c9

SHA1
3df7294955c222f70dac0a39f8eac9b9fad86aae

SHA256
cbc3c8156cf13a41e546e6b6a5b2a4e82a6241d77b2251a61b44e931b5a271f6

SHA512
4ef70c57f75c55a3396d95dc99788fa91506ea8e4a64d56f9082d39a761b83427f1eedd24cc70dd8d1058845bdbf090bd12631dc60a99356eb615cd2a77c2d99

Download Submit
memory/1936-8-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1936-10-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2996-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2996-6-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads