modiloader | 2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abef

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30/11/2024, 14:44

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General

Target

2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe
Size

90KB
MD5

4ad091757bcecb2f66a7b8aef11911e0
SHA1

52b25b719aed0ef520a57ea21369ed7a0b074bf4
SHA256

2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abef
SHA512

fdfb676abaa9cd8ffa7ea898c0c7310debe6c2671b7675cd3102728bf0087cfe06ce18c554842512ce29440fe295ccd1d119752e46575b0965cbf7da07015db7
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDk:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE32

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 1 IoCs

resource	yara_rule
behavioral1/memory/1808-261-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2044	csrsll.exe
1672	csrsll.exe
1808	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2772	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe
2772	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe
2772	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe
2772	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe
2772	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.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-1-5-21-2039016743-699959520-214465309-1000\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 2956 set thread context of 2772	2956	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	30
PID 2044 set thread context of 1672	2044	csrsll.exe	35
PID 2044 set thread context of 1808	2044	csrsll.exe	36

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2956-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2956-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2956-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2772-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2956-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2772-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2772-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2772-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2772-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2772-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000b000000012263-131.dat	upx
behavioral1/memory/2044-151-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2772-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2044-211-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2772-195-0x0000000003460000-0x00000000034B3000-memory.dmp	upx
behavioral1/memory/1808-247-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2044-250-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2772-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1672-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1808-261-0x0000000000400000-0x0000000000414000-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	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.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	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2956	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe
2772	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe
2044	csrsll.exe
1672	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 2772	2956	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	30
PID 2956 wrote to memory of 2772	2956	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	30
PID 2956 wrote to memory of 2772	2956	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	30
PID 2956 wrote to memory of 2772	2956	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	30
PID 2956 wrote to memory of 2772	2956	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	30
PID 2956 wrote to memory of 2772	2956	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	30
PID 2956 wrote to memory of 2772	2956	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	30
PID 2956 wrote to memory of 2772	2956	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	30
PID 2772 wrote to memory of 3044	2772	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	31
PID 2772 wrote to memory of 3044	2772	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	31
PID 2772 wrote to memory of 3044	2772	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	31
PID 2772 wrote to memory of 3044	2772	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	31
PID 3044 wrote to memory of 2744	3044	cmd.exe	33
PID 3044 wrote to memory of 2744	3044	cmd.exe	33
PID 3044 wrote to memory of 2744	3044	cmd.exe	33
PID 3044 wrote to memory of 2744	3044	cmd.exe	33
PID 2772 wrote to memory of 2044	2772	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	34
PID 2772 wrote to memory of 2044	2772	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	34
PID 2772 wrote to memory of 2044	2772	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	34
PID 2772 wrote to memory of 2044	2772	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	34
PID 2044 wrote to memory of 1672	2044	csrsll.exe	35
PID 2044 wrote to memory of 1672	2044	csrsll.exe	35
PID 2044 wrote to memory of 1672	2044	csrsll.exe	35
PID 2044 wrote to memory of 1672	2044	csrsll.exe	35
PID 2044 wrote to memory of 1672	2044	csrsll.exe	35
PID 2044 wrote to memory of 1672	2044	csrsll.exe	35
PID 2044 wrote to memory of 1672	2044	csrsll.exe	35
PID 2044 wrote to memory of 1672	2044	csrsll.exe	35
PID 2044 wrote to memory of 1808	2044	csrsll.exe	36
PID 2044 wrote to memory of 1808	2044	csrsll.exe	36
PID 2044 wrote to memory of 1808	2044	csrsll.exe	36
PID 2044 wrote to memory of 1808	2044	csrsll.exe	36
PID 2044 wrote to memory of 1808	2044	csrsll.exe	36
PID 2044 wrote to memory of 1808	2044	csrsll.exe	36
PID 2044 wrote to memory of 1808	2044	csrsll.exe	36
PID 2044 wrote to memory of 1808	2044	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe
"C:\Users\Admin\AppData\Local\Temp\2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Users\Admin\AppData\Local\Temp\2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe
  "C:\Users\Admin\AppData\Local\Temp\2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\UQERC.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3044
  - - 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:2744
- - 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:2044
  - - 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:1672
  - - 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:1808

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\UQERC.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
c1508c05a1eb4dbd53080d0888be9745

SHA1
f5114079b6a37232c04c2068f742c77c96053485

SHA256
1452599837e2d0fa8eb2851a1927994531a380daaa7990fc5c051f6ecf2dc9a2

SHA512
61223397fc03706a6b3e9f9fd3b3d9cc1928501197eadf2760dc2a9efbd698653891e2a6ded72394704e576bf086fbec7e3dedebe65e6c71ab503b96699719b1

Download Submit
memory/1672-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1808-261-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1808-247-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2044-250-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2044-165-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2044-211-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2044-176-0x0000000000890000-0x0000000000891000-memory.dmp

Filesize
4KB

Download
memory/2044-155-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2044-151-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2772-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2772-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2772-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2772-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2772-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2772-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2772-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2772-150-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/2772-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2772-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2772-240-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/2772-242-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/2772-195-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/2772-145-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/2772-147-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/2772-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2956-79-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/2956-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2956-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2956-29-0x0000000001B90000-0x0000000001B91000-memory.dmp

Filesize
4KB

Download
memory/2956-41-0x0000000001BB0000-0x0000000001BB1000-memory.dmp

Filesize
4KB

Download
memory/2956-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2956-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2956-21-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2956-15-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2956-103-0x00000000027A0000-0x00000000027F3000-memory.dmp

Filesize
332KB

Download
memory/2956-61-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/2956-71-0x00000000022F0000-0x00000000022F1000-memory.dmp

Filesize
4KB

Download
memory/2956-3-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2956-5-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads