hijackloader | 2d81663c3314ae17030e294453deb5e80cbef4c04a180027bbbe2ea5f2473d8d

General

Target

bytes.exe
Size

7.8MB
MD5

3db70f7c982700300ba7ddd81f1210b4
SHA1

c4b1c824a917d998663aec47de548d75fac62761
SHA256

7fbc872542b61d592eff2aa402d9310dafdb01f550226588e2d95050bac434fc
SHA512

a85d79075294e3692ebb2f6fdacc0cf7684d0a594c1e68802b9a3cb495dacb07e0e7727ee1dcb6539a3711348679eca5a04a0b6a67daf1222b77638738d4bd4d
SSDEEP

196608:2oyqaFBPNBLt3/qbRAsul1LJ3ZMvbsGLqg6vI:wqiNBLBbLJ+12g6A

Score

10^/10

hijackloader rhadamanthys discovery loader stealer

Malware Config

Signatures

Detects HijackLoader (aka IDAT Loader) 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1868-0-0x0000000000270000-0x0000000000A6F000-memory.dmp	family_hijackloader

HijackLoader
HijackLoader is a multistage loader first seen in 2023.
loader hijackloader
Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

explorer.exe

description pid process target process

PID 4104 created 2948 4104 explorer.exe sihost.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1100 cmd.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

bytes.exe

description pid process target process

PID 1868 set thread context of 1100 1868 bytes.exe cmd.exe

description	pid	process	target process
PID 4104 created 2948	4104	explorer.exe	sihost.exe

pid	process
1100	cmd.exe

description	pid	process	target process
PID 1868 set thread context of 1100	1868	bytes.exe	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

bytes.execmd.exeexplorer.exeopenwith.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bytes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	openwith.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

bytes.execmd.exeexplorer.exeopenwith.exe

pid	process
1868	bytes.exe
1868	bytes.exe
1100	cmd.exe
1100	cmd.exe
4104	explorer.exe
4104	explorer.exe
3424	openwith.exe
3424	openwith.exe
3424	openwith.exe
3424	openwith.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

bytes.execmd.exe

pid process

1868 bytes.exe
1100 cmd.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

bytes.exe

pid process

1868 bytes.exe
1868 bytes.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

bytes.execmd.exeexplorer.exe

description	pid	process	target process
PID 1868 wrote to memory of 1100	1868	bytes.exe	cmd.exe
PID 1868 wrote to memory of 1100	1868	bytes.exe	cmd.exe
PID 1868 wrote to memory of 1100	1868	bytes.exe	cmd.exe
PID 1868 wrote to memory of 1100	1868	bytes.exe	cmd.exe
PID 1100 wrote to memory of 4104	1100	cmd.exe	explorer.exe
PID 1100 wrote to memory of 4104	1100	cmd.exe	explorer.exe
PID 1100 wrote to memory of 4104	1100	cmd.exe	explorer.exe
PID 1100 wrote to memory of 4104	1100	cmd.exe	explorer.exe
PID 4104 wrote to memory of 3424	4104	explorer.exe	openwith.exe
PID 4104 wrote to memory of 3424	4104	explorer.exe	openwith.exe
PID 4104 wrote to memory of 3424	4104	explorer.exe	openwith.exe
PID 4104 wrote to memory of 3424	4104	explorer.exe	openwith.exe
PID 4104 wrote to memory of 3424	4104	explorer.exe	openwith.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2948

C:\Windows\SysWOW64\openwith.exe
"C:\Windows\system32\openwith.exe"
2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3424

C:\Users\Admin\AppData\Local\Temp\bytes.exe
"C:\Users\Admin\AppData\Local\Temp\bytes.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1868

C:\Windows\SysWOW64\cmd.exe
C:\Windows\SysWOW64\cmd.exe
2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1100

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4104

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\290235bf
Filesize
1.1MB

MD5
d055f78c5c092e9521f1548a20ab8066

SHA1
5966d8d6302afa35559660e32620e441c5f7b82a

SHA256
576ecff451a34c865cfab02fd4069d15ce1b4fc18098fe45168740611868d82f

SHA512
9546f265884a592852672efe8b9a639a76437afd2338d1e2688238cb6c6e68d45852ce4e076ced6560ce913cabca54822c351492bd39651b21f7c62505f24e19

Download Submit
memory/1100-7-0x0000000073F50000-0x00000000740CB000-memory.dmp

Filesize
1.5MB

Download
memory/1100-13-0x0000000073F50000-0x00000000740CB000-memory.dmp

Filesize
1.5MB

Download
memory/1100-11-0x0000000073F50000-0x00000000740CB000-memory.dmp

Filesize
1.5MB

Download
memory/1100-10-0x0000000073F50000-0x00000000740CB000-memory.dmp

Filesize
1.5MB

Download
memory/1100-9-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

Filesize
2.0MB

Download
memory/1868-4-0x0000000073F50000-0x00000000740CB000-memory.dmp

Filesize
1.5MB

Download
memory/1868-5-0x0000000073F50000-0x00000000740CB000-memory.dmp

Filesize
1.5MB

Download
memory/1868-3-0x0000000073F62000-0x0000000073F64000-memory.dmp

Filesize
8KB

Download
memory/1868-2-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

Filesize
2.0MB

Download
memory/1868-1-0x0000000073F50000-0x00000000740CB000-memory.dmp

Filesize
1.5MB

Download
memory/1868-0-0x0000000000270000-0x0000000000A6F000-memory.dmp

Filesize
8.0MB

Download
memory/3424-25-0x0000000000DB0000-0x0000000000DB9000-memory.dmp

Filesize
36KB

Download
memory/3424-33-0x0000000075450000-0x0000000075665000-memory.dmp

Filesize
2.1MB

Download
memory/3424-30-0x0000000002B40000-0x0000000002F40000-memory.dmp

Filesize
4.0MB

Download
memory/3424-31-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

Filesize
2.0MB

Download
memory/4104-14-0x0000000001000000-0x0000000001080000-memory.dmp

Filesize
512KB

Download
memory/4104-20-0x0000000004540000-0x0000000004940000-memory.dmp

Filesize
4.0MB

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memory/4104-21-0x0000000004540000-0x0000000004940000-memory.dmp

Filesize
4.0MB

Download
memory/4104-24-0x0000000075450000-0x0000000075665000-memory.dmp

Filesize
2.1MB

Download
memory/4104-18-0x0000000001000000-0x0000000001080000-memory.dmp

Filesize
512KB

Download
memory/4104-28-0x0000000000860000-0x0000000000C93000-memory.dmp

Filesize
4.2MB

Download
memory/4104-27-0x0000000001000000-0x0000000001080000-memory.dmp

Filesize
512KB

Download
memory/4104-19-0x0000000000943000-0x000000000094B000-memory.dmp

Filesize
32KB

Download
memory/4104-16-0x0000000001000000-0x0000000001080000-memory.dmp

Filesize
512KB

Download
memory/4104-15-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads