1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9

General

Target

1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe
Size

45KB
MD5

ae0322d5bec92f0f3f9d8f82075418a0
SHA1

b1b92bf3443b58cc7d19c36b39335dab1722db4a
SHA256

1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9
SHA512

ea4bc0ac10c8c5697e511b5fbe30e3df8ae8bf7a251281095d551f1e37d82294e4371165669856369767aaf1a6d55f8623f9eacedb2a4ca6fe8a6f58d6e2b993
SSDEEP

768:4gjHnA1QTUe39+p5HbTawMoEsoGFynnaS/FO/1H5/:4gkGTUe39a5HHzQshMahh

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

Processes:

1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe

Executes dropped EXE 1 IoCs

Processes:

Kcbbfgcj.exe

pid process

1148 Kcbbfgcj.exe

pid	process
1148	Kcbbfgcj.exe

Loads dropped DLL 2 IoCs

Processes:

1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe

pid	process
1744	1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe
1744	1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe

Drops file in System32 directory 3 IoCs

Processes:

1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe

description	ioc	process
File created	C:\Windows\SysWOW64\Kcbbfgcj.exe	1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe
File opened for modification	C:\Windows\SysWOW64\Kcbbfgcj.exe	1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe
File created	C:\Windows\SysWOW64\Ijhdfe32.dll	1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe

Modifies data under HKEY_USERS 2 IoCs

Processes:

Kcbbfgcj.exe

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

Modifies registry class 6 IoCs

Processes:

1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Ijhdfe32.dll"	1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Kcbbfgcj.exe

pid process

1148 Kcbbfgcj.exe

pid	process
1148	Kcbbfgcj.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe

description	pid	process	target process
PID 1744 wrote to memory of 1148	1744	1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe	Kcbbfgcj.exe
PID 1744 wrote to memory of 1148	1744	1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe	Kcbbfgcj.exe
PID 1744 wrote to memory of 1148	1744	1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe	Kcbbfgcj.exe
PID 1744 wrote to memory of 1148	1744	1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe	Kcbbfgcj.exe

C:\Users\Admin\AppData\Local\Temp\1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe
"C:\Users\Admin\AppData\Local\Temp\1a973364de609793385448417bd991bcd912cffa3aaa88383c89707df1c48fb9.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1744

C:\Windows\SysWOW64\Kcbbfgcj.exe
C:\Windows\system32\Kcbbfgcj.exe
2⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious behavior: GetForegroundWindowSpam
PID:1148

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\Kcbbfgcj.exe
Filesize
45KB

MD5
4f1cf26ae82ce838a105b2edcb99ba56

SHA1
fb6fc42c0d50fa1e4ba2f60346be3e7b4c24978b

SHA256
5504c7b66749c681d0a592785d7693beeb28c1ac74de0d9e728ff41afd7d5449

SHA512
ff097284238acae737952e972ed0f45491c60cd7ad7b5ad3d65408e197dc9b020812ea5c35dc9ceff896cb6cf9cf18eeb4863baaee23315b9ab36f44e35ed293

Download Submit
\Windows\SysWOW64\Kcbbfgcj.exe
Filesize
45KB

MD5
4f1cf26ae82ce838a105b2edcb99ba56

SHA1
fb6fc42c0d50fa1e4ba2f60346be3e7b4c24978b

SHA256
5504c7b66749c681d0a592785d7693beeb28c1ac74de0d9e728ff41afd7d5449

SHA512
ff097284238acae737952e972ed0f45491c60cd7ad7b5ad3d65408e197dc9b020812ea5c35dc9ceff896cb6cf9cf18eeb4863baaee23315b9ab36f44e35ed293

Download Submit
\Windows\SysWOW64\Kcbbfgcj.exe
Filesize
45KB

MD5
4f1cf26ae82ce838a105b2edcb99ba56

SHA1
fb6fc42c0d50fa1e4ba2f60346be3e7b4c24978b

SHA256
5504c7b66749c681d0a592785d7693beeb28c1ac74de0d9e728ff41afd7d5449

SHA512
ff097284238acae737952e972ed0f45491c60cd7ad7b5ad3d65408e197dc9b020812ea5c35dc9ceff896cb6cf9cf18eeb4863baaee23315b9ab36f44e35ed293

Download Submit
memory/1148-56-0x0000000000000000-mapping.dmp

Download
memory/1148-59-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download
memory/1148-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1148-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1744-58-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads