modiloader | ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 05:28

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General

Target

ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe
Size

90KB
MD5

7426c44f03f4f348dccc35c7c92d377f
SHA1

baa65a58514e1d3339366c17253c16e361cc4bec
SHA256

ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79
SHA512

01dd6c4976edc012b6461d2ae47dfc68be1a8cbbfad58181ba446bce4972bb9c7e18dcfcd3ab6f9f2938813b6e973590568b4e0afad262f03c2ef0a744fbdeae
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDi:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3o

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 family
modiloader

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/456-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/456-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/456-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/456-60-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe

Executes dropped EXE 3 IoCs

pid	Process
1208	csrsll.exe
980	csrsll.exe
456	csrsll.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-1-5-21-3756129449-3121373848-4276368241-1000\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 556 set thread context of 216	556	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe	86
PID 1208 set thread context of 980	1208	csrsll.exe	95
PID 1208 set thread context of 456	1208	csrsll.exe	96

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/556-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/556-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/216-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/216-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/556-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/216-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023bc3-29.dat	upx
behavioral2/memory/216-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1208-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/456-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/456-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1208-53-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/456-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/456-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/456-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/216-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/980-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/456-60-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe
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	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe
Token: SeDebugPrivilege	980	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
556	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe
216	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe
1208	csrsll.exe
980	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 556 wrote to memory of 216	556	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe	86
PID 556 wrote to memory of 216	556	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe	86
PID 556 wrote to memory of 216	556	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe	86
PID 556 wrote to memory of 216	556	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe	86
PID 556 wrote to memory of 216	556	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe	86
PID 556 wrote to memory of 216	556	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe	86
PID 556 wrote to memory of 216	556	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe	86
PID 556 wrote to memory of 216	556	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe	86
PID 216 wrote to memory of 1476	216	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe	87
PID 216 wrote to memory of 1476	216	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe	87
PID 216 wrote to memory of 1476	216	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe	87
PID 1476 wrote to memory of 1448	1476	cmd.exe	90
PID 1476 wrote to memory of 1448	1476	cmd.exe	90
PID 1476 wrote to memory of 1448	1476	cmd.exe	90
PID 216 wrote to memory of 1208	216	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe	91
PID 216 wrote to memory of 1208	216	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe	91
PID 216 wrote to memory of 1208	216	ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe	91
PID 1208 wrote to memory of 980	1208	csrsll.exe	95
PID 1208 wrote to memory of 980	1208	csrsll.exe	95
PID 1208 wrote to memory of 980	1208	csrsll.exe	95
PID 1208 wrote to memory of 980	1208	csrsll.exe	95
PID 1208 wrote to memory of 980	1208	csrsll.exe	95
PID 1208 wrote to memory of 980	1208	csrsll.exe	95
PID 1208 wrote to memory of 980	1208	csrsll.exe	95
PID 1208 wrote to memory of 980	1208	csrsll.exe	95
PID 1208 wrote to memory of 456	1208	csrsll.exe	96
PID 1208 wrote to memory of 456	1208	csrsll.exe	96
PID 1208 wrote to memory of 456	1208	csrsll.exe	96
PID 1208 wrote to memory of 456	1208	csrsll.exe	96
PID 1208 wrote to memory of 456	1208	csrsll.exe	96
PID 1208 wrote to memory of 456	1208	csrsll.exe	96
PID 1208 wrote to memory of 456	1208	csrsll.exe	96
PID 1208 wrote to memory of 456	1208	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe
"C:\Users\Admin\AppData\Local\Temp\ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:556
- C:\Users\Admin\AppData\Local\Temp\ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe
  "C:\Users\Admin\AppData\Local\Temp\ab7c3007581704138fbc4961d95fbb779c6ee52a1f4408dc3bbc8b64b1abed79.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:216
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JYAYL.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1476
  - - 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:1448
- - 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:1208
  - - 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:980
  - - 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:456

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\JYAYL.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
885614bc95969ff5d4b72f5df0aeb9cc

SHA1
5a98c5160f19ad47f3eee9b720b02e0b292c76ab

SHA256
9a226e47327396b6f13f87c9b6f5c1ebef3c038a03d54c2947a5d8e1b9722c6b

SHA512
a422461f2142a86ebfd3039e7c69945d1685b92deb1972bed1c0756e7dac666433be8990874a1e669a8d55e82027a7e5b04c9c1bb3ee2dd4b39616dbd734e3a1

Download Submit
memory/216-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/216-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/216-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/216-56-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/216-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/216-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/456-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/456-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/456-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/456-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/456-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/456-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/556-3-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/556-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/556-4-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/556-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/556-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/556-6-0x0000000002A70000-0x0000000002A72000-memory.dmp

Filesize
8KB

Download
memory/980-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1208-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1208-53-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads