modiloader | 322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8

Analysis

max time kernel
119s
max time network
124s
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 00:50

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General

Target

322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe
Size

90KB
MD5

2e6f5fe3db39f4d61353a56c6a785840
SHA1

83ea1f4e67260746bdd0c5cc8f175d9d0e057128
SHA256

322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8
SHA512

9ee6510fc0bf7866b15ca4347b063b346352885f2aeb9276372e81a19d14ced669f3e13343948285fe9a1a7a32733b3f1af3e89427c1b8fb2c914f22569f3475
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDH:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3F

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/4100-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4100-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4100-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4100-61-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe

Executes dropped EXE 3 IoCs

pid	Process
2388	csrsll.exe
3288	csrsll.exe
4100	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-1-5-21-2437139445-1151884604-3026847218-1000\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 4892 set thread context of 5088	4892	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe	83
PID 2388 set thread context of 3288	2388	csrsll.exe	97
PID 2388 set thread context of 4100	2388	csrsll.exe	98

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4892-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4892-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5088-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5088-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5088-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4892-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023cb4-29.dat	upx
behavioral2/memory/5088-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2388-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4100-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4100-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2388-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4100-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4100-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4100-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2388-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5088-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3288-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4100-61-0x0000000000400000-0x0000000000414000-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	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	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe
Token: SeDebugPrivilege	3288	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4892	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe
5088	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe
2388	csrsll.exe
3288	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 5088	4892	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe	83
PID 4892 wrote to memory of 5088	4892	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe	83
PID 4892 wrote to memory of 5088	4892	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe	83
PID 4892 wrote to memory of 5088	4892	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe	83
PID 4892 wrote to memory of 5088	4892	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe	83
PID 4892 wrote to memory of 5088	4892	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe	83
PID 4892 wrote to memory of 5088	4892	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe	83
PID 4892 wrote to memory of 5088	4892	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe	83
PID 5088 wrote to memory of 4840	5088	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe	84
PID 5088 wrote to memory of 4840	5088	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe	84
PID 5088 wrote to memory of 4840	5088	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe	84
PID 4840 wrote to memory of 1688	4840	cmd.exe	88
PID 4840 wrote to memory of 1688	4840	cmd.exe	88
PID 4840 wrote to memory of 1688	4840	cmd.exe	88
PID 5088 wrote to memory of 2388	5088	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe	89
PID 5088 wrote to memory of 2388	5088	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe	89
PID 5088 wrote to memory of 2388	5088	322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe	89
PID 2388 wrote to memory of 3288	2388	csrsll.exe	97
PID 2388 wrote to memory of 3288	2388	csrsll.exe	97
PID 2388 wrote to memory of 3288	2388	csrsll.exe	97
PID 2388 wrote to memory of 3288	2388	csrsll.exe	97
PID 2388 wrote to memory of 3288	2388	csrsll.exe	97
PID 2388 wrote to memory of 3288	2388	csrsll.exe	97
PID 2388 wrote to memory of 3288	2388	csrsll.exe	97
PID 2388 wrote to memory of 3288	2388	csrsll.exe	97
PID 2388 wrote to memory of 4100	2388	csrsll.exe	98
PID 2388 wrote to memory of 4100	2388	csrsll.exe	98
PID 2388 wrote to memory of 4100	2388	csrsll.exe	98
PID 2388 wrote to memory of 4100	2388	csrsll.exe	98
PID 2388 wrote to memory of 4100	2388	csrsll.exe	98
PID 2388 wrote to memory of 4100	2388	csrsll.exe	98
PID 2388 wrote to memory of 4100	2388	csrsll.exe	98
PID 2388 wrote to memory of 4100	2388	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe
"C:\Users\Admin\AppData\Local\Temp\322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4892
- C:\Users\Admin\AppData\Local\Temp\322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe
  "C:\Users\Admin\AppData\Local\Temp\322b0908c1c2f9d4a3c8744cfc861373a8fd5f97a41d0e4c8cfe16763b23a9a8N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5088
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MLYFO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4840
  - - 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:1688
- - 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:2388
  - - 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:3288
  - - 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:4100

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\MLYFO.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
1c10d3ee8c6c23508720736409ef0fe2

SHA1
a544550af163959ccd4558d7d2f808f6e49ead0d

SHA256
a0572c2f2ba12750e4d0c77eaa13c94d2560b78fb543e03ce109b290ed00f8cc

SHA512
2f760f5b6cda24575bf7bc70752e69dec4d9a53092a1d4fe4b8a8012dba4ab233bd9e76b4b8aee93eaac0d84f03872843eb4abe52be27f7bbadb97fd76a2ac7b

Download Submit
memory/2388-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2388-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2388-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3288-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4100-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4100-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4100-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4100-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4100-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4100-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4892-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4892-7-0x0000000002430000-0x0000000002432000-memory.dmp

Filesize
8KB

Download
memory/4892-6-0x0000000002420000-0x0000000002422000-memory.dmp

Filesize
8KB

Download
memory/4892-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4892-3-0x0000000002400000-0x0000000002402000-memory.dmp

Filesize
8KB

Download
memory/4892-4-0x0000000002410000-0x0000000002412000-memory.dmp

Filesize
8KB

Download
memory/4892-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5088-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5088-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5088-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5088-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5088-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads