def4fa1479486667788cb7a0c1a193fb57a87a535f745cc55af41ad473ac38fd

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06/03/2024, 04:44

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General

Target

b68a70c7f715162ba2ab0231463bc25a.exe
Size

652KB
MD5

b68a70c7f715162ba2ab0231463bc25a
SHA1

2bc2b141a5e0ee575e7f5f76debdeebfb9b3b38e
SHA256

def4fa1479486667788cb7a0c1a193fb57a87a535f745cc55af41ad473ac38fd
SHA512

e920648be3f28742f51b5b1f8758e791511c3387761aedb7e2f180f7285588c2b452a96198f6c93de826486adf254cb861cd5ef84346f50d8e26b79fd8cf8b86
SSDEEP

12288:J/IXt3Ax4NnTm5RtDOcX1n+eE0TBnazyIxHV1t868+hi8ZTCGfyi:hI93cqna5Rt6cX1n+ezTBnaht/

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2504	taskgr.exe

Loads dropped DLL 2 IoCs

pid	Process
2732	b68a70c7f715162ba2ab0231463bc25a.exe
2732	b68a70c7f715162ba2ab0231463bc25a.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\taskgr.exe = "C:\\Windows\\system32\\taskgr.exe"	b68a70c7f715162ba2ab0231463bc25a.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\taskgr.exe	b68a70c7f715162ba2ab0231463bc25a.exe
File opened for modification	C:\Windows\SysWOW64\taskgr.exe	b68a70c7f715162ba2ab0231463bc25a.exe
File created	C:\Windows\SysWOW64\taskgr.exe	taskgr.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2732	b68a70c7f715162ba2ab0231463bc25a.exe
Token: SeIncBasePriorityPrivilege	2732	b68a70c7f715162ba2ab0231463bc25a.exe
Token: SeIncBasePriorityPrivilege	2504	taskgr.exe
Token: SeIncBasePriorityPrivilege	2504	taskgr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 2504	2732	b68a70c7f715162ba2ab0231463bc25a.exe	28
PID 2732 wrote to memory of 2504	2732	b68a70c7f715162ba2ab0231463bc25a.exe	28
PID 2732 wrote to memory of 2504	2732	b68a70c7f715162ba2ab0231463bc25a.exe	28
PID 2732 wrote to memory of 2504	2732	b68a70c7f715162ba2ab0231463bc25a.exe	28

C:\Users\Admin\AppData\Local\Temp\b68a70c7f715162ba2ab0231463bc25a.exe
"C:\Users\Admin\AppData\Local\Temp\b68a70c7f715162ba2ab0231463bc25a.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Windows\SysWOW64\taskgr.exe
  C:\Windows\system32\taskgr.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  PID:2504

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

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Downloads

\Windows\SysWOW64\taskgr.exe

Filesize
652KB

MD5
b68a70c7f715162ba2ab0231463bc25a

SHA1
2bc2b141a5e0ee575e7f5f76debdeebfb9b3b38e

SHA256
def4fa1479486667788cb7a0c1a193fb57a87a535f745cc55af41ad473ac38fd

SHA512
e920648be3f28742f51b5b1f8758e791511c3387761aedb7e2f180f7285588c2b452a96198f6c93de826486adf254cb861cd5ef84346f50d8e26b79fd8cf8b86

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads