modiloader | 2bc3a5c8ffac6d474614ea8d26bf05a75041f37f5f64d0f15d50fbfffb9bdd1d

Analysis

max time kernel
118s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
16-09-2024 23:33

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General

Target

Trojan.Win32.Darkeye.exe
Size

90KB
MD5

0b9fcdfae895dc7fd8b98e830a9c9530
SHA1

ec52b7e5306bd7c7cfb13b18165748d7cb395885
SHA256

2bc3a5c8ffac6d474614ea8d26bf05a75041f37f5f64d0f15d50fbfffb9bdd1d
SHA512

2753c5a5b46c8a5024d1994ff210c40a11f9a81d1b219fe3e551f558ad31350e3205bf068f0ad72f22493a2ceafa617204939500b513d8ea7b5de52a3fe395ab
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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 2 IoCs

resource	yara_rule
behavioral1/memory/1648-259-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1648-266-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2004	csrsll.exe
948	csrsll.exe
1648	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2600	Trojan.Win32.Darkeye.exe
2600	Trojan.Win32.Darkeye.exe
2600	Trojan.Win32.Darkeye.exe
2600	Trojan.Win32.Darkeye.exe
2600	Trojan.Win32.Darkeye.exe

UPX packed file 29 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2152-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2152-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2152-93-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2152-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2152-89-0x0000000000090000-0x0000000000190000-memory.dmp	upx
behavioral1/memory/2152-88-0x0000000000090000-0x0000000000190000-memory.dmp	upx
behavioral1/memory/2152-87-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2600-111-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2152-109-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2600-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2152-81-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2152-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000a000000015cb8-135.dat	upx
behavioral1/memory/2004-154-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2600-151-0x00000000031C0000-0x0000000003213000-memory.dmp	upx
behavioral1/memory/2600-142-0x00000000031C0000-0x0000000003213000-memory.dmp	upx
behavioral1/memory/2600-158-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2004-219-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2004-260-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1648-259-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/948-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-264-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/948-265-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1648-266-0x0000000000400000-0x0000000000414000-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-1-5-21-1506706701-1246725540-2219210854-1000\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 2152 set thread context of 2600	2152	Trojan.Win32.Darkeye.exe	31
PID 2004 set thread context of 948	2004	csrsll.exe	36
PID 2004 set thread context of 1648	2004	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	cmd.exe
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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2152	Trojan.Win32.Darkeye.exe
2600	Trojan.Win32.Darkeye.exe
2004	csrsll.exe
948	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2600	2152	Trojan.Win32.Darkeye.exe	31
PID 2152 wrote to memory of 2600	2152	Trojan.Win32.Darkeye.exe	31
PID 2152 wrote to memory of 2600	2152	Trojan.Win32.Darkeye.exe	31
PID 2152 wrote to memory of 2600	2152	Trojan.Win32.Darkeye.exe	31
PID 2152 wrote to memory of 2600	2152	Trojan.Win32.Darkeye.exe	31
PID 2152 wrote to memory of 2600	2152	Trojan.Win32.Darkeye.exe	31
PID 2152 wrote to memory of 2600	2152	Trojan.Win32.Darkeye.exe	31
PID 2152 wrote to memory of 2600	2152	Trojan.Win32.Darkeye.exe	31
PID 2600 wrote to memory of 2012	2600	Trojan.Win32.Darkeye.exe	32
PID 2600 wrote to memory of 2012	2600	Trojan.Win32.Darkeye.exe	32
PID 2600 wrote to memory of 2012	2600	Trojan.Win32.Darkeye.exe	32
PID 2600 wrote to memory of 2012	2600	Trojan.Win32.Darkeye.exe	32
PID 2012 wrote to memory of 576	2012	cmd.exe	34
PID 2012 wrote to memory of 576	2012	cmd.exe	34
PID 2012 wrote to memory of 576	2012	cmd.exe	34
PID 2012 wrote to memory of 576	2012	cmd.exe	34
PID 2600 wrote to memory of 2004	2600	Trojan.Win32.Darkeye.exe	35
PID 2600 wrote to memory of 2004	2600	Trojan.Win32.Darkeye.exe	35
PID 2600 wrote to memory of 2004	2600	Trojan.Win32.Darkeye.exe	35
PID 2600 wrote to memory of 2004	2600	Trojan.Win32.Darkeye.exe	35
PID 2004 wrote to memory of 948	2004	csrsll.exe	36
PID 2004 wrote to memory of 948	2004	csrsll.exe	36
PID 2004 wrote to memory of 948	2004	csrsll.exe	36
PID 2004 wrote to memory of 948	2004	csrsll.exe	36
PID 2004 wrote to memory of 948	2004	csrsll.exe	36
PID 2004 wrote to memory of 948	2004	csrsll.exe	36
PID 2004 wrote to memory of 948	2004	csrsll.exe	36
PID 2004 wrote to memory of 948	2004	csrsll.exe	36
PID 2004 wrote to memory of 1648	2004	csrsll.exe	37
PID 2004 wrote to memory of 1648	2004	csrsll.exe	37
PID 2004 wrote to memory of 1648	2004	csrsll.exe	37
PID 2004 wrote to memory of 1648	2004	csrsll.exe	37
PID 2004 wrote to memory of 1648	2004	csrsll.exe	37
PID 2004 wrote to memory of 1648	2004	csrsll.exe	37
PID 2004 wrote to memory of 1648	2004	csrsll.exe	37
PID 2004 wrote to memory of 1648	2004	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:2152
- 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:2600
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\PPBJA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2012
  - - 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:576
- - 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:2004
  - - 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:948
  - - 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:1648

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\PPBJA.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
7d1b9910272cfab8c42f5d1991d6c84c

SHA1
cb31e59c344f9476c0b36be75a62820b970728d6

SHA256
5c5e2f05638841926620cbe8ceba2a8d27eb8cfaea4e5e7e6a3c0a9e788b1647

SHA512
5d3b68c5980170624215d884800323f21ae3b57fbb3598aa63a3198d3bcee7a348b34be475493f1b70998915c71eeb008484ff1cfcb3258f269a581803c067b0

Download Submit
memory/948-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/948-265-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1648-266-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1648-259-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2004-219-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2004-171-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2004-161-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2004-260-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2004-154-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2004-182-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/2152-71-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/2152-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2152-88-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2152-87-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2152-110-0x0000000002650000-0x00000000026A3000-memory.dmp

Filesize
332KB

Download
memory/2152-109-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2152-81-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2152-79-0x0000000000490000-0x0000000000492000-memory.dmp

Filesize
8KB

Download
memory/2152-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2152-89-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2152-41-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2152-29-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2152-61-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2152-93-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2152-15-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2152-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2152-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2152-3-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2152-5-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2152-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2600-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-152-0x00000000031C0000-0x0000000003213000-memory.dmp

Filesize
332KB

Download
memory/2600-151-0x00000000031C0000-0x0000000003213000-memory.dmp

Filesize
332KB

Download
memory/2600-142-0x00000000031C0000-0x0000000003213000-memory.dmp

Filesize
332KB

Download
memory/2600-157-0x00000000031C0000-0x0000000003213000-memory.dmp

Filesize
332KB

Download
memory/2600-158-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-153-0x00000000031C0000-0x0000000003213000-memory.dmp

Filesize
332KB

Download
memory/2600-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-216-0x00000000031C0000-0x0000000003213000-memory.dmp

Filesize
332KB

Download
memory/2600-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-261-0x00000000031C0000-0x0000000003213000-memory.dmp

Filesize
332KB

Download
memory/2600-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-257-0x00000000031C0000-0x0000000003213000-memory.dmp

Filesize
332KB

Download
memory/2600-264-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-111-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads