daf043d3bb739d61cd313a6a48d18cdfcfe879975290009c2697d5b8287da96a

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 00:02

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General

Target

20f3df7ea13bed206455d6718901f1cd.exe
Size

296KB
MD5

20f3df7ea13bed206455d6718901f1cd
SHA1

b1841019f357f5da346b327c4c04dbf98a548907
SHA256

daf043d3bb739d61cd313a6a48d18cdfcfe879975290009c2697d5b8287da96a
SHA512

85b3d1d58fdc6a0d97399728d47d36517ba1c302dfbc63c3eef37137da032371f89cea208e4d6853dd03edb53ff34dcfe5cd9f8eb0b4b327b4f9fe8d492ebe26
SSDEEP

3072:FpvX0e1FB/DpKjCLHM1sAUiqoC2GV4U+IJ/RyK1:LiQ2/4J/R3

Score

8^/10

persistence

Malware Config

Signatures

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{9D71D88C-C598-4935-C5D1-43AA4DB90836}	20f3df7ea13bed206455d6718901f1cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{9D71D88C-C598-4935-C5D1-43AA4DB90836}\stubpath = "C:\\Program Files (x86)\\Bifrost\\server.exe s"	20f3df7ea13bed206455d6718901f1cd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1712 set thread context of 3944	1712	20f3df7ea13bed206455d6718901f1cd.exe	21

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Bifrost\server.exe	20f3df7ea13bed206455d6718901f1cd.exe
File created	C:\Program Files (x86)\Bifrost\server.exe	20f3df7ea13bed206455d6718901f1cd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3944	20f3df7ea13bed206455d6718901f1cd.exe
Token: SeDebugPrivilege	3944	20f3df7ea13bed206455d6718901f1cd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1712	20f3df7ea13bed206455d6718901f1cd.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 3944	1712	20f3df7ea13bed206455d6718901f1cd.exe	21
PID 1712 wrote to memory of 3944	1712	20f3df7ea13bed206455d6718901f1cd.exe	21
PID 1712 wrote to memory of 3944	1712	20f3df7ea13bed206455d6718901f1cd.exe	21
PID 1712 wrote to memory of 3944	1712	20f3df7ea13bed206455d6718901f1cd.exe	21
PID 1712 wrote to memory of 3944	1712	20f3df7ea13bed206455d6718901f1cd.exe	21
PID 1712 wrote to memory of 3944	1712	20f3df7ea13bed206455d6718901f1cd.exe	21
PID 1712 wrote to memory of 3944	1712	20f3df7ea13bed206455d6718901f1cd.exe	21

C:\Users\Admin\AppData\Local\Temp\20f3df7ea13bed206455d6718901f1cd.exe
"C:\Users\Admin\AppData\Local\Temp\20f3df7ea13bed206455d6718901f1cd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\Local\Temp\20f3df7ea13bed206455d6718901f1cd.exe
  C:\Users\Admin\AppData\Local\Temp\20f3df7ea13bed206455d6718901f1cd.exe
  2⤵
  - Modifies Installed Components in the registry
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:3944

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

memory/3944-5-0x0000000000400000-0x0000000000408960-memory.dmp

Filesize
34KB

Download
memory/3944-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3944-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3944-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3944-7-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/3944-10-0x000000004C300000-0x000000004C37A000-memory.dmp

Filesize
488KB

Download
memory/3944-11-0x000000004C300000-0x000000004C37A000-memory.dmp

Filesize
488KB

Download
memory/3944-9-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/3944-14-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3944-16-0x0000000000400000-0x0000000000408960-memory.dmp

Filesize
34KB

Download
memory/3944-13-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads