modiloader | 3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4

Analysis

max time kernel
120s
max time network
116s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 00:38

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General

Target

3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe
Size

94KB
MD5

fb0dd103eb3d2de5f8dfea694b13938b
SHA1

fbd8954f0f05ee2dcae5751c413fe5ed0924ed07
SHA256

3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4
SHA512

90605d6ed49b0fa22ae8d5b186eb4bcdf5257b1d85ff0b93c4c6b744fb849810dfc59506f4e845036d64c7d68c467c07d01e84998da221cd83bd066765ade8c3
SSDEEP

1536:/pdyL9GjGiwA1z0PmVggNJKbFD2BBMx1RiwmPJr3raDk5BRf13KH9m2POE/d:/pdyLALwACPmV3NYaYLiwIt3raA5BRfe

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/12276-147854-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
13192	csrsll.exe
12212	csrsll.exe
12276	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
22448	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe
22448	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe
22448	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe
22448	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe
22448	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.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-1-5-21-1846800975-3917212583-2893086201-1000\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 2868 set thread context of 22448	2868	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe	28
PID 13192 set thread context of 12212	13192	csrsll.exe	34
PID 13192 set thread context of 12276	13192	csrsll.exe	35

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2868-0-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2868-162-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2868-52311-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2868-73918-0x00000000027F0000-0x0000000002846000-memory.dmp	upx
behavioral1/memory/22448-73921-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/22448-73926-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/22448-73923-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/22448-73927-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2868-73930-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/22448-73929-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000800000001211a-73967.dat	upx
behavioral1/memory/22448-147849-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/12276-147846-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/12212-147845-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/13192-147841-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/12276-147854-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/12212-147853-0x0000000000400000-0x000000000040B000-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	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.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 57 IoCs

description	pid	Process
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe
Token: SeDebugPrivilege	12212	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2868	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe
22448	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe
13192	csrsll.exe
12212	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 22448	2868	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe	28
PID 2868 wrote to memory of 22448	2868	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe	28
PID 2868 wrote to memory of 22448	2868	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe	28
PID 2868 wrote to memory of 22448	2868	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe	28
PID 2868 wrote to memory of 22448	2868	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe	28
PID 2868 wrote to memory of 22448	2868	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe	28
PID 2868 wrote to memory of 22448	2868	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe	28
PID 2868 wrote to memory of 22448	2868	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe	28
PID 22448 wrote to memory of 13136	22448	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe	29
PID 22448 wrote to memory of 13136	22448	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe	29
PID 22448 wrote to memory of 13136	22448	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe	29
PID 22448 wrote to memory of 13136	22448	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe	29
PID 13136 wrote to memory of 13232	13136	cmd.exe	31
PID 13136 wrote to memory of 13232	13136	cmd.exe	31
PID 13136 wrote to memory of 13232	13136	cmd.exe	31
PID 13136 wrote to memory of 13232	13136	cmd.exe	31
PID 22448 wrote to memory of 13192	22448	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe	32
PID 22448 wrote to memory of 13192	22448	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe	32
PID 22448 wrote to memory of 13192	22448	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe	32
PID 22448 wrote to memory of 13192	22448	3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe	32
PID 13192 wrote to memory of 12212	13192	csrsll.exe	34
PID 13192 wrote to memory of 12212	13192	csrsll.exe	34
PID 13192 wrote to memory of 12212	13192	csrsll.exe	34
PID 13192 wrote to memory of 12212	13192	csrsll.exe	34
PID 13192 wrote to memory of 12212	13192	csrsll.exe	34
PID 13192 wrote to memory of 12212	13192	csrsll.exe	34
PID 13192 wrote to memory of 12212	13192	csrsll.exe	34
PID 13192 wrote to memory of 12212	13192	csrsll.exe	34
PID 13192 wrote to memory of 12276	13192	csrsll.exe	35
PID 13192 wrote to memory of 12276	13192	csrsll.exe	35
PID 13192 wrote to memory of 12276	13192	csrsll.exe	35
PID 13192 wrote to memory of 12276	13192	csrsll.exe	35
PID 13192 wrote to memory of 12276	13192	csrsll.exe	35
PID 13192 wrote to memory of 12276	13192	csrsll.exe	35
PID 13192 wrote to memory of 12276	13192	csrsll.exe	35
PID 13192 wrote to memory of 12276	13192	csrsll.exe	35

C:\Users\Admin\AppData\Local\Temp\3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe
"C:\Users\Admin\AppData\Local\Temp\3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Users\Admin\AppData\Local\Temp\3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe
  "C:\Users\Admin\AppData\Local\Temp\3a2185fff1ea40d2eb980e084a42872a47668cdf18fd50d94a9e46a3bbce72b4.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:22448
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\YAXLM.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:13136
  - - 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:13232
- - 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:13192
  - - 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:12212
  - - 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:12276

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\YAXLM.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
94KB

MD5
ce9b7fc161e6695786140ef6478dfe8c

SHA1
958f48eb2cd0e2c98171c3e22ee9fe89542c60f3

SHA256
8b9df168a7db238b3aa08257b9e03cbd472ccd8c2ffb618800fd74bc6c25377c

SHA512
55dbd625c58bdd1e6d16df772d8a610cdca3e94eb098ccba5948dc0a5834463a89df15f8d2c03da6a7d552b323b534ec5d3fcd88f1eed7d4ec984a9c4dd6a810

Download Submit
memory/2868-73918-0x00000000027F0000-0x0000000002846000-memory.dmp

Filesize
344KB

Download
memory/2868-24-0x0000000000405000-0x0000000000406000-memory.dmp

Filesize
4KB

Download
memory/2868-52311-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2868-63761-0x0000000000405000-0x0000000000406000-memory.dmp

Filesize
4KB

Download
memory/2868-162-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2868-0-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2868-73930-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2868-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/12212-147853-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/12212-147845-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/12276-147854-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/12276-147846-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/13192-147841-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/22448-73927-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/22448-73929-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/22448-73971-0x0000000003220000-0x0000000003276000-memory.dmp

Filesize
344KB

Download
memory/22448-73970-0x0000000003220000-0x0000000003276000-memory.dmp

Filesize
344KB

Download
memory/22448-147849-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/22448-73923-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/22448-73925-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/22448-73926-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/22448-73919-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/22448-73921-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads