modiloader | dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37

Analysis

max time kernel
149s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/10/2024, 00:52

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General

Target

dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe
Size

90KB
MD5

79bf9a0a58c4f409717afe729cfde310
SHA1

bb3ab7a59ca5e3f2e1582e13b21f2df11afaface
SHA256

dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37
SHA512

df0009538be75b862108a0e12e407bbdc5165702c01bf37802c0fe7e724c8d75ace8fadfe1677d611a27b9f6edf7f3c3cc9cca0b2cff68bbd5a1a41f9a0d9649
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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 Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/1732-261-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1536	csrsll.exe
1580	csrsll.exe
1732	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2160	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe
2160	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe
2160	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe
2160	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe
2160	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.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-1-5-21-3290804112-2823094203-3137964600-1000\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 2216 set thread context of 2160	2216	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	30
PID 1536 set thread context of 1580	1536	csrsll.exe	35
PID 1536 set thread context of 1732	1536	csrsll.exe	36

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2216-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2216-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2216-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2216-90-0x0000000001E90000-0x0000000001EE3000-memory.dmp	upx
behavioral1/memory/2160-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2160-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2160-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2160-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2216-105-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2160-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2160-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0033000000019382-131.dat	upx
behavioral1/memory/2160-145-0x00000000034D0000-0x0000000003523000-memory.dmp	upx
behavioral1/memory/2160-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1536-215-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1732-248-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1536-247-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1536-255-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2160-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1580-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1732-261-0x0000000000400000-0x0000000000414000-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	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	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe
Token: SeDebugPrivilege	1580	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2216	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe
2160	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe
1536	csrsll.exe
1580	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2160	2216	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	30
PID 2216 wrote to memory of 2160	2216	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	30
PID 2216 wrote to memory of 2160	2216	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	30
PID 2216 wrote to memory of 2160	2216	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	30
PID 2216 wrote to memory of 2160	2216	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	30
PID 2216 wrote to memory of 2160	2216	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	30
PID 2216 wrote to memory of 2160	2216	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	30
PID 2216 wrote to memory of 2160	2216	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	30
PID 2160 wrote to memory of 1476	2160	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	31
PID 2160 wrote to memory of 1476	2160	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	31
PID 2160 wrote to memory of 1476	2160	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	31
PID 2160 wrote to memory of 1476	2160	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	31
PID 1476 wrote to memory of 2272	1476	cmd.exe	33
PID 1476 wrote to memory of 2272	1476	cmd.exe	33
PID 1476 wrote to memory of 2272	1476	cmd.exe	33
PID 1476 wrote to memory of 2272	1476	cmd.exe	33
PID 2160 wrote to memory of 1536	2160	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	34
PID 2160 wrote to memory of 1536	2160	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	34
PID 2160 wrote to memory of 1536	2160	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	34
PID 2160 wrote to memory of 1536	2160	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	34
PID 1536 wrote to memory of 1580	1536	csrsll.exe	35
PID 1536 wrote to memory of 1580	1536	csrsll.exe	35
PID 1536 wrote to memory of 1580	1536	csrsll.exe	35
PID 1536 wrote to memory of 1580	1536	csrsll.exe	35
PID 1536 wrote to memory of 1580	1536	csrsll.exe	35
PID 1536 wrote to memory of 1580	1536	csrsll.exe	35
PID 1536 wrote to memory of 1580	1536	csrsll.exe	35
PID 1536 wrote to memory of 1580	1536	csrsll.exe	35
PID 1536 wrote to memory of 1732	1536	csrsll.exe	36
PID 1536 wrote to memory of 1732	1536	csrsll.exe	36
PID 1536 wrote to memory of 1732	1536	csrsll.exe	36
PID 1536 wrote to memory of 1732	1536	csrsll.exe	36
PID 1536 wrote to memory of 1732	1536	csrsll.exe	36
PID 1536 wrote to memory of 1732	1536	csrsll.exe	36
PID 1536 wrote to memory of 1732	1536	csrsll.exe	36
PID 1536 wrote to memory of 1732	1536	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe
"C:\Users\Admin\AppData\Local\Temp\dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Local\Temp\dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe
  "C:\Users\Admin\AppData\Local\Temp\dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\LKYFO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1476
  - - 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:2272
- - 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:1536
  - - 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:1580
  - - 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:1732

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\LKYFO.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
7f6a1aa931019225f15b7e09d8274904

SHA1
e7130ce1ab819cc317e4713046b8863af5dffb09

SHA256
df27b1e1c12fed516086196da02cdbb71bcc3ba72ff5e088fb5d259a54ed382a

SHA512
47da96f07fb898c6b61310ed55d8012aeec10ba27db797b5ade2afb7dbe4302122f29c058e1a279c07efe66e226b8a2ec77d21905a0523ef2b95e2d71af844bd

Download Submit
memory/1536-255-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1536-247-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1536-167-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/1536-178-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/1536-215-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1536-157-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1580-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1732-261-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1732-248-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2160-154-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2160-212-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2160-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2160-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2160-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2160-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2160-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2160-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2160-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2160-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2160-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2160-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2160-145-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2160-149-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2160-148-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2160-147-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2160-146-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2216-41-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2216-3-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/2216-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2216-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2216-29-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2216-71-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2216-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2216-79-0x0000000000470000-0x0000000000472000-memory.dmp

Filesize
8KB

Download
memory/2216-90-0x0000000001E90000-0x0000000001EE3000-memory.dmp

Filesize
332KB

Download
memory/2216-15-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/2216-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2216-105-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2216-61-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2216-5-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads