modiloader | 5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 03:39

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General

Target

5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe
Size

90KB
MD5

0629323a86230b74a3986879984c7f87
SHA1

03452a15f31e861440512a74a28568db515442ab
SHA256

5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29
SHA512

441a9a19c33cefcd73e1fda2f8ce5312062b18705a04db2b8e5bdc1367f379069c48bfa6fe25d07c5e65585818961e6c646a455ea417453bdaadb69534113370
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDP:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE39

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/4040-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4040-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4040-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4040-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe

Executes dropped EXE 3 IoCs

pid	Process
1088	csrsll.exe
4460	csrsll.exe
4040	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-1-5-21-3350944739-639801879-157714471-1000\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 2076 set thread context of 4412	2076	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe	83
PID 1088 set thread context of 4460	1088	csrsll.exe	100
PID 1088 set thread context of 4040	1088	csrsll.exe	101

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2076-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2076-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4412-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4412-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4412-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2076-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c66-30.dat	upx
behavioral2/memory/4412-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1088-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1088-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4040-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4040-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4040-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1088-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4040-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4040-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4412-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4460-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4040-62-0x0000000000400000-0x0000000000414000-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	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.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	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe
Token: SeDebugPrivilege	4460	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2076	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe
4412	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe
1088	csrsll.exe
4460	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 4412	2076	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe	83
PID 2076 wrote to memory of 4412	2076	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe	83
PID 2076 wrote to memory of 4412	2076	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe	83
PID 2076 wrote to memory of 4412	2076	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe	83
PID 2076 wrote to memory of 4412	2076	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe	83
PID 2076 wrote to memory of 4412	2076	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe	83
PID 2076 wrote to memory of 4412	2076	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe	83
PID 2076 wrote to memory of 4412	2076	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe	83
PID 4412 wrote to memory of 944	4412	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe	89
PID 4412 wrote to memory of 944	4412	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe	89
PID 4412 wrote to memory of 944	4412	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe	89
PID 944 wrote to memory of 4704	944	cmd.exe	93
PID 944 wrote to memory of 4704	944	cmd.exe	93
PID 944 wrote to memory of 4704	944	cmd.exe	93
PID 4412 wrote to memory of 1088	4412	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe	94
PID 4412 wrote to memory of 1088	4412	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe	94
PID 4412 wrote to memory of 1088	4412	5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe	94
PID 1088 wrote to memory of 4460	1088	csrsll.exe	100
PID 1088 wrote to memory of 4460	1088	csrsll.exe	100
PID 1088 wrote to memory of 4460	1088	csrsll.exe	100
PID 1088 wrote to memory of 4460	1088	csrsll.exe	100
PID 1088 wrote to memory of 4460	1088	csrsll.exe	100
PID 1088 wrote to memory of 4460	1088	csrsll.exe	100
PID 1088 wrote to memory of 4460	1088	csrsll.exe	100
PID 1088 wrote to memory of 4460	1088	csrsll.exe	100
PID 1088 wrote to memory of 4040	1088	csrsll.exe	101
PID 1088 wrote to memory of 4040	1088	csrsll.exe	101
PID 1088 wrote to memory of 4040	1088	csrsll.exe	101
PID 1088 wrote to memory of 4040	1088	csrsll.exe	101
PID 1088 wrote to memory of 4040	1088	csrsll.exe	101
PID 1088 wrote to memory of 4040	1088	csrsll.exe	101
PID 1088 wrote to memory of 4040	1088	csrsll.exe	101
PID 1088 wrote to memory of 4040	1088	csrsll.exe	101

C:\Users\Admin\AppData\Local\Temp\5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe
"C:\Users\Admin\AppData\Local\Temp\5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Users\Admin\AppData\Local\Temp\5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe
  "C:\Users\Admin\AppData\Local\Temp\5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4412
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CQGTP.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:944
  - - 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:4704
- - 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:1088
  - - 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:4460
  - - 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:4040

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\CQGTP.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
3d9bfc68395a6d3bc808f569020ec440

SHA1
d2bd97b80ce6dda55feb4cccbef65ef0a88064c2

SHA256
118fae075164c040b48100858a86e46ac4aafca4fbf368b0612bc4c7c0e26709

SHA512
20766325d7bb001f13c994e02b9d89cd4bec83326532443876af95201ad04ac9fc08e113808ee40658272170bef4c9d6f334c3181743d07e5c3ef782c69577b8

Download Submit
memory/1088-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1088-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1088-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2076-3-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/2076-6-0x0000000002420000-0x0000000002422000-memory.dmp

Filesize
8KB

Download
memory/2076-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2076-4-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/2076-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2076-8-0x0000000002430000-0x0000000002432000-memory.dmp

Filesize
8KB

Download
memory/2076-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4040-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4040-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4040-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4040-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4040-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4040-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4412-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4412-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4412-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4412-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4412-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4460-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads