modiloader | 11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da

Analysis

max time kernel
119s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 04:37

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General

Target

11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe
Size

90KB
MD5

7d40ed4834c2c5b88b758c0df08d5a91
SHA1

67a5207263dfd9dcf759d97dcfd4e683a89d363c
SHA256

11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da
SHA512

dc769304f387977ba105e54a9d5630bfc76bb5c20e1c0f5bb41475f4cebda2d5fefdbdf10bd063e96a87d4889a567f128530ed8aa37721f813cc9f4369df6a88
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDs:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3W

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/2424-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2424-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2424-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2424-61-0x0000000000400000-0x0000000000414000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe

Executes dropped EXE 3 IoCs

pid	Process
4156	csrsll.exe
4400	csrsll.exe
2424	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-1-5-21-940901362-3608833189-1915618603-1000\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 980 set thread context of 3184	980	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	88
PID 4156 set thread context of 4400	4156	csrsll.exe	101
PID 4156 set thread context of 2424	4156	csrsll.exe	102

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/980-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/980-6-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3184-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3184-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3184-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/980-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b97-28.dat	upx
behavioral2/memory/4156-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4156-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2424-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2424-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3184-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4156-54-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2424-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2424-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2424-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3184-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4400-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2424-61-0x0000000000400000-0x0000000000414000-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	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe
Token: SeDebugPrivilege	4400	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
980	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe
3184	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe
4156	csrsll.exe
4400	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 980 wrote to memory of 3184	980	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	88
PID 980 wrote to memory of 3184	980	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	88
PID 980 wrote to memory of 3184	980	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	88
PID 980 wrote to memory of 3184	980	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	88
PID 980 wrote to memory of 3184	980	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	88
PID 980 wrote to memory of 3184	980	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	88
PID 980 wrote to memory of 3184	980	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	88
PID 980 wrote to memory of 3184	980	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	88
PID 3184 wrote to memory of 4140	3184	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	91
PID 3184 wrote to memory of 4140	3184	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	91
PID 3184 wrote to memory of 4140	3184	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	91
PID 4140 wrote to memory of 4364	4140	cmd.exe	95
PID 4140 wrote to memory of 4364	4140	cmd.exe	95
PID 4140 wrote to memory of 4364	4140	cmd.exe	95
PID 3184 wrote to memory of 4156	3184	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	96
PID 3184 wrote to memory of 4156	3184	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	96
PID 3184 wrote to memory of 4156	3184	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	96
PID 4156 wrote to memory of 4400	4156	csrsll.exe	101
PID 4156 wrote to memory of 4400	4156	csrsll.exe	101
PID 4156 wrote to memory of 4400	4156	csrsll.exe	101
PID 4156 wrote to memory of 4400	4156	csrsll.exe	101
PID 4156 wrote to memory of 4400	4156	csrsll.exe	101
PID 4156 wrote to memory of 4400	4156	csrsll.exe	101
PID 4156 wrote to memory of 4400	4156	csrsll.exe	101
PID 4156 wrote to memory of 4400	4156	csrsll.exe	101
PID 4156 wrote to memory of 2424	4156	csrsll.exe	102
PID 4156 wrote to memory of 2424	4156	csrsll.exe	102
PID 4156 wrote to memory of 2424	4156	csrsll.exe	102
PID 4156 wrote to memory of 2424	4156	csrsll.exe	102
PID 4156 wrote to memory of 2424	4156	csrsll.exe	102
PID 4156 wrote to memory of 2424	4156	csrsll.exe	102
PID 4156 wrote to memory of 2424	4156	csrsll.exe	102
PID 4156 wrote to memory of 2424	4156	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe
"C:\Users\Admin\AppData\Local\Temp\11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:980
- C:\Users\Admin\AppData\Local\Temp\11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe
  "C:\Users\Admin\AppData\Local\Temp\11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3184
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HXPDN.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4140
  - - 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:4364
- - 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:4156
  - - 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:4400
  - - 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:2424

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\HXPDN.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
d82a1f496535ca328eca1ad5d1fe383c

SHA1
a3efc74306956617353b4049f40b390c050035a3

SHA256
efd1208a5442807e7b0bb6f1fd7582c1bc567d4cf5d820eeba0bdf7a786fb628

SHA512
1db5bf3e42b0731682aba72f2489cb4370c0a26a075a5468414f3ef11ba15a78c2438ef18b220f9b1f38638186a65329c2892f7464336c29eb3945c47bf26518

Download Submit
memory/980-5-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/980-6-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/980-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/980-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/980-4-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/980-3-0x00000000022E0000-0x00000000022E2000-memory.dmp

Filesize
8KB

Download
memory/2424-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2424-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2424-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2424-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2424-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2424-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3184-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3184-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3184-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3184-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3184-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4156-54-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4156-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4156-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4400-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads