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/1252-0-0x0000000000B10000-0x000000000130F000-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 3112 created 2688 3112 explorer.exe sihost.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

3280 cmd.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

bytes.exe

description pid process target process

PID 1252 set thread context of 3280 1252 bytes.exe cmd.exe

description	pid	process	target process
PID 3112 created 2688	3112	explorer.exe	sihost.exe

pid	process
3280	cmd.exe

description	pid	process	target process
PID 1252 set thread context of 3280	1252	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
1252	bytes.exe
1252	bytes.exe
3280	cmd.exe
3280	cmd.exe
3112	explorer.exe
3112	explorer.exe
4568	openwith.exe
4568	openwith.exe
4568	openwith.exe
4568	openwith.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

bytes.execmd.exe

pid process

1252 bytes.exe
3280 cmd.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

bytes.exe

pid process

1252 bytes.exe
1252 bytes.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

bytes.execmd.exeexplorer.exe

description	pid	process	target process
PID 1252 wrote to memory of 3280	1252	bytes.exe	cmd.exe
PID 1252 wrote to memory of 3280	1252	bytes.exe	cmd.exe
PID 1252 wrote to memory of 3280	1252	bytes.exe	cmd.exe
PID 1252 wrote to memory of 3280	1252	bytes.exe	cmd.exe
PID 3280 wrote to memory of 3112	3280	cmd.exe	explorer.exe
PID 3280 wrote to memory of 3112	3280	cmd.exe	explorer.exe
PID 3280 wrote to memory of 3112	3280	cmd.exe	explorer.exe
PID 3280 wrote to memory of 3112	3280	cmd.exe	explorer.exe
PID 3112 wrote to memory of 4568	3112	explorer.exe	openwith.exe
PID 3112 wrote to memory of 4568	3112	explorer.exe	openwith.exe
PID 3112 wrote to memory of 4568	3112	explorer.exe	openwith.exe
PID 3112 wrote to memory of 4568	3112	explorer.exe	openwith.exe
PID 3112 wrote to memory of 4568	3112	explorer.exe	openwith.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2688

C:\Windows\SysWOW64\openwith.exe
"C:\Windows\system32\openwith.exe"
2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4568

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:1252

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:3280

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:3112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\1c0939d5

Filesize
1.1MB

MD5
e2781914bb162deb5c0ea187c6beb033

SHA1
6818295b00991289ec09227350dcfaddcf540a77

SHA256
f380686ce45f938d555fbccc0192030be893f6df537f7d6d66bbdda75b3f2b76

SHA512
39f95bf752432900487ecb47d83145eb9bd289d72b39db85243cdeb660adc79fb63282241cd3b7f23112398a96371c5e1884f27b485e38825a6b6f1881d19b61

Download Submit
memory/1252-1-0x00000000745F0000-0x000000007476B000-memory.dmp

Filesize
1.5MB

Download
memory/1252-2-0x00007FFF64810000-0x00007FFF64A05000-memory.dmp

Filesize
2.0MB

Download
memory/1252-3-0x0000000074602000-0x0000000074604000-memory.dmp

Filesize
8KB

Download
memory/1252-4-0x00000000745F0000-0x000000007476B000-memory.dmp

Filesize
1.5MB

Download
memory/1252-5-0x00000000745F0000-0x000000007476B000-memory.dmp

Filesize
1.5MB

Download
memory/1252-0-0x0000000000B10000-0x000000000130F000-memory.dmp

Filesize
8.0MB

Download
memory/3112-23-0x0000000000130000-0x0000000000563000-memory.dmp

Filesize
4.2MB

Download
memory/3112-19-0x0000000004040000-0x0000000004440000-memory.dmp

Filesize
4.0MB

Download
memory/3112-34-0x0000000000F50000-0x0000000000FD0000-memory.dmp

Filesize
512KB

Download
memory/3112-21-0x0000000000F50000-0x0000000000FD0000-memory.dmp

Filesize
512KB

Download
memory/3112-25-0x0000000075B40000-0x0000000075D55000-memory.dmp

Filesize
2.1MB

Download
memory/3112-14-0x0000000000F50000-0x0000000000FD0000-memory.dmp

Filesize
512KB

Download
memory/3112-15-0x00007FFF64810000-0x00007FFF64A05000-memory.dmp

Filesize
2.0MB

Download
memory/3112-16-0x0000000000F50000-0x0000000000FD0000-memory.dmp

Filesize
512KB

Download
memory/3112-18-0x0000000000213000-0x000000000021B000-memory.dmp

Filesize
32KB

Download
memory/3112-20-0x0000000004040000-0x0000000004440000-memory.dmp

Filesize
4.0MB

Download
memory/3280-9-0x00007FFF64810000-0x00007FFF64A05000-memory.dmp

Filesize
2.0MB

Download
memory/3280-7-0x00000000745F0000-0x000000007476B000-memory.dmp

Filesize
1.5MB

Download
memory/3280-13-0x00000000745F0000-0x000000007476B000-memory.dmp

Filesize
1.5MB

Download
memory/3280-11-0x00000000745F0000-0x000000007476B000-memory.dmp

Filesize
1.5MB

Download
memory/3280-10-0x00000000745F0000-0x000000007476B000-memory.dmp

Filesize
1.5MB

Download
memory/4568-26-0x0000000000E20000-0x0000000000E29000-memory.dmp

Filesize
36KB

Download
memory/4568-32-0x0000000000E20000-0x0000000000E29000-memory.dmp

Filesize
36KB

Download
memory/4568-31-0x0000000075B40000-0x0000000075D55000-memory.dmp

Filesize
2.1MB

Download
memory/4568-29-0x00007FFF64810000-0x00007FFF64A05000-memory.dmp

Filesize
2.0MB

Download
memory/4568-28-0x0000000002B30000-0x0000000002F30000-memory.dmp

Filesize
4.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads