e1ccab7be9a6823eca38fe408518c39ada2fbfc1629468871fbd1469f006d29c

Analysis

max time kernel
136s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2022 23:55

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General

Target

e1ccab7be9a6823eca38fe408518c39ada2fbfc1629468871fbd1469f006d29c.exe
Size

45KB
MD5

0dbded28494a2cf2d78dfdafb90ad9c0
SHA1

9e1e34e55bf455d615e6e6cede0967bfe71e7da7
SHA256

e1ccab7be9a6823eca38fe408518c39ada2fbfc1629468871fbd1469f006d29c
SHA512

71ac6a13d1ba2b6e5cb2558dadc6766d63fdca026674547cac885dbe75de72f95727f6f3297eda3a3ea90a9dfc783f39cb09d09e8bb1825892847c299dd21d8a
SSDEEP

768:J35z/kHbCx0+ScwOxzgveEZ6pyfX8SKEcceJPB8HWLLmd/1H5:Z5z/2bqkcrzgveW6VJErenLaX

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	e1ccab7be9a6823eca38fe408518c39ada2fbfc1629468871fbd1469f006d29c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	e1ccab7be9a6823eca38fe408518c39ada2fbfc1629468871fbd1469f006d29c.exe

Executes dropped EXE 1 IoCs

pid	Process
4832	Fcaqblpp.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Fcaqblpp.exe	e1ccab7be9a6823eca38fe408518c39ada2fbfc1629468871fbd1469f006d29c.exe
File opened for modification	C:\Windows\SysWOW64\Fcaqblpp.exe	e1ccab7be9a6823eca38fe408518c39ada2fbfc1629468871fbd1469f006d29c.exe
File created	C:\Windows\SysWOW64\Gchjjb32.dll	e1ccab7be9a6823eca38fe408518c39ada2fbfc1629468871fbd1469f006d29c.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\BrowseNewProcess	Fcaqblpp.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\BrowseNewProcess\BrowseNewProcess = "yes"	Fcaqblpp.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	e1ccab7be9a6823eca38fe408518c39ada2fbfc1629468871fbd1469f006d29c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	e1ccab7be9a6823eca38fe408518c39ada2fbfc1629468871fbd1469f006d29c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	e1ccab7be9a6823eca38fe408518c39ada2fbfc1629468871fbd1469f006d29c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Gchjjb32.dll"	e1ccab7be9a6823eca38fe408518c39ada2fbfc1629468871fbd1469f006d29c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	e1ccab7be9a6823eca38fe408518c39ada2fbfc1629468871fbd1469f006d29c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	e1ccab7be9a6823eca38fe408518c39ada2fbfc1629468871fbd1469f006d29c.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4832	Fcaqblpp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 4832	4840	e1ccab7be9a6823eca38fe408518c39ada2fbfc1629468871fbd1469f006d29c.exe	80
PID 4840 wrote to memory of 4832	4840	e1ccab7be9a6823eca38fe408518c39ada2fbfc1629468871fbd1469f006d29c.exe	80
PID 4840 wrote to memory of 4832	4840	e1ccab7be9a6823eca38fe408518c39ada2fbfc1629468871fbd1469f006d29c.exe	80

C:\Users\Admin\AppData\Local\Temp\e1ccab7be9a6823eca38fe408518c39ada2fbfc1629468871fbd1469f006d29c.exe
"C:\Users\Admin\AppData\Local\Temp\e1ccab7be9a6823eca38fe408518c39ada2fbfc1629468871fbd1469f006d29c.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4840
- C:\Windows\SysWOW64\Fcaqblpp.exe
  C:\Windows\system32\Fcaqblpp.exe
  2⤵
  - Executes dropped EXE
  - Modifies data under HKEY_USERS
  - Suspicious behavior: GetForegroundWindowSpam
  PID:4832

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

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\SysWOW64\Fcaqblpp.exe

Filesize
45KB

MD5
70d5c5ec488d8a62744284dbaee8f702

SHA1
904cd374d1b5884c688997fe69dcff68c24b61be

SHA256
cac7420f86f94dd479f8451b0d83e1c6ddc3fadcc1127dedbdca807c23cca6e9

SHA512
a17c337726fefd2306a24a86ede5feade7b51072e79ba4d1ba922216c8b51b6ee04c3d7772fcfc6b4a60eb37d9214126ee3ea2c36ba03bb9abd7d6b33f5d2bca

Download Submit
C:\Windows\SysWOW64\Fcaqblpp.exe

Filesize
45KB

MD5
70d5c5ec488d8a62744284dbaee8f702

SHA1
904cd374d1b5884c688997fe69dcff68c24b61be

SHA256
cac7420f86f94dd479f8451b0d83e1c6ddc3fadcc1127dedbdca807c23cca6e9

SHA512
a17c337726fefd2306a24a86ede5feade7b51072e79ba4d1ba922216c8b51b6ee04c3d7772fcfc6b4a60eb37d9214126ee3ea2c36ba03bb9abd7d6b33f5d2bca

Download Submit
memory/4832-136-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4832-137-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4840-135-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download