modiloader | b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6

Analysis

max time kernel
149s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01/12/2024, 02:28

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General

Target

b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe
Size

90KB
MD5

ab9369adbdb902063a530d8ec275936f
SHA1

69756d0d73155497dcebc876511258a35593fc9e
SHA256

b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6
SHA512

c907d058f2a856b7d8e8f61ac153cb1a6235bf7c23a3e7bc4c08cd28f9e6c8cbdc825ccf647d22226f4f02096d43543f703ce6b499572a87cf862535c08cf048
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDN:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3j

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/1756-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1188	csrsll.exe
1940	csrsll.exe
1756	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1280	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe
1280	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe
1280	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe
1280	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe
1280	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.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-1-5-21-3063565911-2056067323-3330884624-1000\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 1724 set thread context of 1280	1724	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe	30
PID 1188 set thread context of 1940	1188	csrsll.exe	36
PID 1188 set thread context of 1756	1188	csrsll.exe	37

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1724-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1724-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1280-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1280-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1724-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1280-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1724-90-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1724-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1280-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1280-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1280-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000a0000000120d6-133.dat	upx
behavioral1/memory/1280-147-0x0000000003120000-0x0000000003173000-memory.dmp	upx
behavioral1/memory/1280-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1188-167-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1188-250-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1756-248-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1280-253-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1940-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1756-262-0x0000000000400000-0x0000000000414000-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	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	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe
Token: SeDebugPrivilege	1940	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1724	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe
1280	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe
1188	csrsll.exe
1940	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 1280	1724	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe	30
PID 1724 wrote to memory of 1280	1724	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe	30
PID 1724 wrote to memory of 1280	1724	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe	30
PID 1724 wrote to memory of 1280	1724	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe	30
PID 1724 wrote to memory of 1280	1724	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe	30
PID 1724 wrote to memory of 1280	1724	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe	30
PID 1724 wrote to memory of 1280	1724	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe	30
PID 1724 wrote to memory of 1280	1724	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe	30
PID 1280 wrote to memory of 2792	1280	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe	31
PID 1280 wrote to memory of 2792	1280	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe	31
PID 1280 wrote to memory of 2792	1280	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe	31
PID 1280 wrote to memory of 2792	1280	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe	31
PID 2792 wrote to memory of 1152	2792	cmd.exe	33
PID 2792 wrote to memory of 1152	2792	cmd.exe	33
PID 2792 wrote to memory of 1152	2792	cmd.exe	33
PID 2792 wrote to memory of 1152	2792	cmd.exe	33
PID 1280 wrote to memory of 1188	1280	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe	34
PID 1280 wrote to memory of 1188	1280	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe	34
PID 1280 wrote to memory of 1188	1280	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe	34
PID 1280 wrote to memory of 1188	1280	b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe	34
PID 1188 wrote to memory of 1940	1188	csrsll.exe	36
PID 1188 wrote to memory of 1940	1188	csrsll.exe	36
PID 1188 wrote to memory of 1940	1188	csrsll.exe	36
PID 1188 wrote to memory of 1940	1188	csrsll.exe	36
PID 1188 wrote to memory of 1940	1188	csrsll.exe	36
PID 1188 wrote to memory of 1940	1188	csrsll.exe	36
PID 1188 wrote to memory of 1940	1188	csrsll.exe	36
PID 1188 wrote to memory of 1940	1188	csrsll.exe	36
PID 1188 wrote to memory of 1756	1188	csrsll.exe	37
PID 1188 wrote to memory of 1756	1188	csrsll.exe	37
PID 1188 wrote to memory of 1756	1188	csrsll.exe	37
PID 1188 wrote to memory of 1756	1188	csrsll.exe	37
PID 1188 wrote to memory of 1756	1188	csrsll.exe	37
PID 1188 wrote to memory of 1756	1188	csrsll.exe	37
PID 1188 wrote to memory of 1756	1188	csrsll.exe	37
PID 1188 wrote to memory of 1756	1188	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe
"C:\Users\Admin\AppData\Local\Temp\b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Users\Admin\AppData\Local\Temp\b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe
  "C:\Users\Admin\AppData\Local\Temp\b3b80e1ba6adee9e24344587ea34fcab51d34dd8c047cc29b65afe993eeb99a6.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1280
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\ALQMA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2792
  - - 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:1152
- - 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:1188
  - - 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:1940
  - - 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:1756

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\ALQMA.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
4d517761140ef3098976e79b457be038

SHA1
17f09f6673af2a5e17756844e86e0d7c96d85b5b

SHA256
1c0eb49d31944de39c35f11b586f590fe271b6867dc22cae18160c00dcd023b4

SHA512
1e76d3632ee6ca5a3268f459b3f019a789c5948389284a77578c08030cb4af5af59d11f0078caa35f36c703b2b6639724b292b690383769518c66ba4cdd4bf05

Download Submit
memory/1188-250-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1188-157-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1188-168-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1188-179-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1188-167-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1280-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1280-150-0x0000000003120000-0x0000000003173000-memory.dmp

Filesize
332KB

Download
memory/1280-243-0x0000000003120000-0x0000000003173000-memory.dmp

Filesize
332KB

Download
memory/1280-247-0x0000000003120000-0x0000000003173000-memory.dmp

Filesize
332KB

Download
memory/1280-253-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1280-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1280-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1280-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1280-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1280-147-0x0000000003120000-0x0000000003173000-memory.dmp

Filesize
332KB

Download
memory/1280-148-0x0000000003120000-0x0000000003173000-memory.dmp

Filesize
332KB

Download
memory/1280-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1280-149-0x0000000003120000-0x0000000003173000-memory.dmp

Filesize
332KB

Download
memory/1280-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1280-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1280-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1724-61-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/1724-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1724-29-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1724-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1724-80-0x00000000003D0000-0x00000000003D2000-memory.dmp

Filesize
8KB

Download
memory/1724-90-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1724-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1724-41-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/1724-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1724-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1724-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1724-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1724-71-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/1724-100-0x0000000002800000-0x0000000002853000-memory.dmp

Filesize
332KB

Download
memory/1724-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1756-248-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1756-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1940-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads