modiloader | 86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5

Analysis

max time kernel
119s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/11/2024, 20:05

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General

Target

86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe
Size

90KB
MD5

f2fc9e32ad7e1ea3c1d85e96b4819ff0
SHA1

15a220203270a830d66ece3c117d843df9ab2647
SHA256

86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5
SHA512

90c41959854716a90d785bef8dfa48bb7d248b97c96a5158527468c8adaaa5d1c345ee3dce05ab7c6e1c20fc90f67ad552c89ca9c8e860d56ff895b5cb2f7613
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD/:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3x

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 2 IoCs

resource	yara_rule
behavioral1/memory/1768-252-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1768-260-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2580	csrsll.exe
1300	csrsll.exe
1768	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2680	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe
2680	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe
2680	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe
2680	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe
2680	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.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-1-5-21-2872745919-2748461613-2989606286-1000\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 2268 set thread context of 2680	2268	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	30
PID 2580 set thread context of 1300	2580	csrsll.exe	36
PID 2580 set thread context of 1768	2580	csrsll.exe	37

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2268-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2268-93-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2268-88-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2680-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2680-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2680-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2680-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2268-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2680-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2680-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2268-83-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2268-80-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2268-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2268-31-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000b00000001227e-134.dat	upx
behavioral1/memory/2680-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2580-214-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1768-252-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2580-247-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2680-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1300-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1768-260-0x0000000000400000-0x0000000000414000-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	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	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2268	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe
2680	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe
2580	csrsll.exe
1300	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2680	2268	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	30
PID 2268 wrote to memory of 2680	2268	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	30
PID 2268 wrote to memory of 2680	2268	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	30
PID 2268 wrote to memory of 2680	2268	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	30
PID 2268 wrote to memory of 2680	2268	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	30
PID 2268 wrote to memory of 2680	2268	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	30
PID 2268 wrote to memory of 2680	2268	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	30
PID 2268 wrote to memory of 2680	2268	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	30
PID 2680 wrote to memory of 584	2680	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	31
PID 2680 wrote to memory of 584	2680	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	31
PID 2680 wrote to memory of 584	2680	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	31
PID 2680 wrote to memory of 584	2680	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	31
PID 584 wrote to memory of 1652	584	cmd.exe	33
PID 584 wrote to memory of 1652	584	cmd.exe	33
PID 584 wrote to memory of 1652	584	cmd.exe	33
PID 584 wrote to memory of 1652	584	cmd.exe	33
PID 2680 wrote to memory of 2580	2680	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	34
PID 2680 wrote to memory of 2580	2680	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	34
PID 2680 wrote to memory of 2580	2680	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	34
PID 2680 wrote to memory of 2580	2680	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	34
PID 2580 wrote to memory of 1300	2580	csrsll.exe	36
PID 2580 wrote to memory of 1300	2580	csrsll.exe	36
PID 2580 wrote to memory of 1300	2580	csrsll.exe	36
PID 2580 wrote to memory of 1300	2580	csrsll.exe	36
PID 2580 wrote to memory of 1300	2580	csrsll.exe	36
PID 2580 wrote to memory of 1300	2580	csrsll.exe	36
PID 2580 wrote to memory of 1300	2580	csrsll.exe	36
PID 2580 wrote to memory of 1300	2580	csrsll.exe	36
PID 2580 wrote to memory of 1768	2580	csrsll.exe	37
PID 2580 wrote to memory of 1768	2580	csrsll.exe	37
PID 2580 wrote to memory of 1768	2580	csrsll.exe	37
PID 2580 wrote to memory of 1768	2580	csrsll.exe	37
PID 2580 wrote to memory of 1768	2580	csrsll.exe	37
PID 2580 wrote to memory of 1768	2580	csrsll.exe	37
PID 2580 wrote to memory of 1768	2580	csrsll.exe	37
PID 2580 wrote to memory of 1768	2580	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe
"C:\Users\Admin\AppData\Local\Temp\86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Users\Admin\AppData\Local\Temp\86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe
  "C:\Users\Admin\AppData\Local\Temp\86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\JOLLW.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:584
  - - 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:1652
- - 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:2580
  - - 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:1300
  - - 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:1768

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
10ec3620f3d0685ea18d79c3d0d61727

SHA1
0a19c00420cc4a0c0516cac647e5a78ed86eecc7

SHA256
73f9c861bb5c1c975506be800c6ca368da63ed06ed4b39fb4773a16d7abc0a08

SHA512
892e7b537715bfd01b6de97504f0b23f85d66edbc5e059369144ab7f936bd19deeb50597ee7fefef3f992eaef55e5d6f5cced17beaea1c16ad148c51a2c89208

Download Submit
memory/1300-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1768-260-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1768-252-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2268-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2268-28-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2268-93-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2268-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2268-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2268-41-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2268-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2268-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2268-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2268-88-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2268-31-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2268-83-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2268-81-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download
memory/2268-80-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2268-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2268-71-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2268-61-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2580-156-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2580-166-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2580-247-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2580-177-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2580-214-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2680-149-0x00000000032A0000-0x00000000032F3000-memory.dmp

Filesize
332KB

Download
memory/2680-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2680-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2680-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2680-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2680-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2680-211-0x00000000032A0000-0x00000000032F3000-memory.dmp

Filesize
332KB

Download
memory/2680-148-0x00000000032A0000-0x00000000032F3000-memory.dmp

Filesize
332KB

Download
memory/2680-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2680-251-0x00000000032A0000-0x00000000032F3000-memory.dmp

Filesize
332KB

Download
memory/2680-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2680-253-0x00000000032A0000-0x00000000032F3000-memory.dmp

Filesize
332KB

Download
memory/2680-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2680-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2680-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads