modiloader | 912adf81268de8c9415febf8d6f31abe8f188aafc34495f426da2130bd0e92ed

Analysis

max time kernel
118s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
15-09-2024 23:04

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General

Target

Trojan.Win32.Darkeye.exe
Size

326KB
MD5

06d233033119e0c502f257b4d68a4850
SHA1

24d718d6cfe8c1d710d1f7232a0f4cb013570348
SHA256

912adf81268de8c9415febf8d6f31abe8f188aafc34495f426da2130bd0e92ed
SHA512

934886262b8dbd4dcccfec5c8b9a2d1dda2d75cc5f8b4d1a79af92d626a89dc07737bfd66c96aa2a3ae47f202f91f562baee2fd412581200b07a79d550791c5d
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:csxD5cwohO+O1sVG0/pZ6iPC8

Score

10^/10

modiloader discovery persistence trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/1604-261-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1028	csrsll.exe
924	csrsll.exe
1604	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
764	Trojan.Win32.Darkeye.exe
764	Trojan.Win32.Darkeye.exe
764	Trojan.Win32.Darkeye.exe
764	Trojan.Win32.Darkeye.exe
764	Trojan.Win32.Darkeye.exe

UPX packed file 24 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2756-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2756-91-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2756-86-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/764-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/764-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2756-81-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2756-78-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/764-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2756-109-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/764-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/764-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/764-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2756-102-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-134.dat	upx
behavioral1/memory/1028-152-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/764-149-0x0000000003210000-0x0000000003264000-memory.dmp	upx
behavioral1/memory/764-148-0x0000000003200000-0x0000000003254000-memory.dmp	upx
behavioral1/memory/764-155-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1028-224-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1604-251-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/764-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1028-250-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/924-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1604-261-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2756 set thread context of 764	2756	Trojan.Win32.Darkeye.exe	31
PID 1028 set thread context of 924	1028	csrsll.exe	36
PID 1028 set thread context of 1604	1028	csrsll.exe	37

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 7 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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.Win32.Darkeye.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.Win32.Darkeye.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe
Token: SeDebugPrivilege	924	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2756	Trojan.Win32.Darkeye.exe
764	Trojan.Win32.Darkeye.exe
1028	csrsll.exe
924	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 764	2756	Trojan.Win32.Darkeye.exe	31
PID 2756 wrote to memory of 764	2756	Trojan.Win32.Darkeye.exe	31
PID 2756 wrote to memory of 764	2756	Trojan.Win32.Darkeye.exe	31
PID 2756 wrote to memory of 764	2756	Trojan.Win32.Darkeye.exe	31
PID 2756 wrote to memory of 764	2756	Trojan.Win32.Darkeye.exe	31
PID 2756 wrote to memory of 764	2756	Trojan.Win32.Darkeye.exe	31
PID 2756 wrote to memory of 764	2756	Trojan.Win32.Darkeye.exe	31
PID 2756 wrote to memory of 764	2756	Trojan.Win32.Darkeye.exe	31
PID 764 wrote to memory of 2660	764	Trojan.Win32.Darkeye.exe	32
PID 764 wrote to memory of 2660	764	Trojan.Win32.Darkeye.exe	32
PID 764 wrote to memory of 2660	764	Trojan.Win32.Darkeye.exe	32
PID 764 wrote to memory of 2660	764	Trojan.Win32.Darkeye.exe	32
PID 2660 wrote to memory of 1864	2660	cmd.exe	34
PID 2660 wrote to memory of 1864	2660	cmd.exe	34
PID 2660 wrote to memory of 1864	2660	cmd.exe	34
PID 2660 wrote to memory of 1864	2660	cmd.exe	34
PID 764 wrote to memory of 1028	764	Trojan.Win32.Darkeye.exe	35
PID 764 wrote to memory of 1028	764	Trojan.Win32.Darkeye.exe	35
PID 764 wrote to memory of 1028	764	Trojan.Win32.Darkeye.exe	35
PID 764 wrote to memory of 1028	764	Trojan.Win32.Darkeye.exe	35
PID 1028 wrote to memory of 924	1028	csrsll.exe	36
PID 1028 wrote to memory of 924	1028	csrsll.exe	36
PID 1028 wrote to memory of 924	1028	csrsll.exe	36
PID 1028 wrote to memory of 924	1028	csrsll.exe	36
PID 1028 wrote to memory of 924	1028	csrsll.exe	36
PID 1028 wrote to memory of 924	1028	csrsll.exe	36
PID 1028 wrote to memory of 924	1028	csrsll.exe	36
PID 1028 wrote to memory of 924	1028	csrsll.exe	36
PID 1028 wrote to memory of 1604	1028	csrsll.exe	37
PID 1028 wrote to memory of 1604	1028	csrsll.exe	37
PID 1028 wrote to memory of 1604	1028	csrsll.exe	37
PID 1028 wrote to memory of 1604	1028	csrsll.exe	37
PID 1028 wrote to memory of 1604	1028	csrsll.exe	37
PID 1028 wrote to memory of 1604	1028	csrsll.exe	37
PID 1028 wrote to memory of 1604	1028	csrsll.exe	37
PID 1028 wrote to memory of 1604	1028	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Darkeye.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Darkeye.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Darkeye.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Darkeye.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:764
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\KPLMX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2660
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:1864
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1028
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:924
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1604

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\KPLMX.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

Filesize
326KB

MD5
7e4076b6f96b52963c76becc5a5d8486

SHA1
1c26ff5bdb120ede5416a9d9ff0e1d6ebb8ef85f

SHA256
1ca412dbc403cb2f7ef3f78f7fdf48ff33a2ffe49d633d5284ee34ad0929ea5b

SHA512
b3b856362f03055a20cd2cc13088c86d71825f9e20750875e952ce67bcffb18e16528b5f9a3e6a5878936d6c7bf7d05ebe74add1f896912a4bcc42f6305a19fc

Download Submit
memory/764-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/764-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/764-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/764-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/764-220-0x0000000003200000-0x0000000003254000-memory.dmp

Filesize
336KB

Download
memory/764-155-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/764-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/764-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/764-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/764-148-0x0000000003200000-0x0000000003254000-memory.dmp

Filesize
336KB

Download
memory/764-149-0x0000000003210000-0x0000000003264000-memory.dmp

Filesize
336KB

Download
memory/764-150-0x0000000003210000-0x0000000003264000-memory.dmp

Filesize
336KB

Download
memory/764-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/764-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/924-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1028-224-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1028-152-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1028-250-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1028-168-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1028-179-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1028-187-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1028-158-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1604-261-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1604-251-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2756-70-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2756-86-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2756-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2756-79-0x0000000000360000-0x0000000000362000-memory.dmp

Filesize
8KB

Download
memory/2756-81-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2756-102-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2756-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2756-15-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2756-28-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2756-78-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2756-60-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2756-91-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2756-40-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2756-104-0x0000000002800000-0x0000000002854000-memory.dmp

Filesize
336KB

Download
memory/2756-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2756-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2756-109-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads