modiloader | a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb

Analysis

max time kernel
118s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 15:59

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General

Target

a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe
Size

90KB
MD5

c466bc726dfb5d032fc09f8938d5cd1e
SHA1

053dd524cd6425dfb9c2c51f0339b0a330d30d4f
SHA256

a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb
SHA512

33e8fa8df6133779d5f70b661dd03ffedda822253b6ac760cbb5498912cc9696db263cee48433f4c697761bd7b304915c56c79166aa39f66e7b4b0b3a20482ac
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDy:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3E

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/2296-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2296-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2296-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2296-61-0x0000000000400000-0x0000000000414000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe

Executes dropped EXE 3 IoCs

pid	Process
2464	csrsll.exe
3088	csrsll.exe
2296	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-1-5-21-940901362-3608833189-1915618603-1000\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 3128 set thread context of 3200	3128	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe	88
PID 2464 set thread context of 3088	2464	csrsll.exe	100
PID 2464 set thread context of 2296	2464	csrsll.exe	101

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3128-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3128-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3200-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3200-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3128-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3200-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023cb4-28.dat	upx
behavioral2/memory/3200-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2464-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2464-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2296-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2296-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2296-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2464-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2296-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2296-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3200-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3088-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2296-61-0x0000000000400000-0x0000000000414000-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	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.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 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe
Token: SeDebugPrivilege	3088	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3128	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe
3200	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe
2464	csrsll.exe
3088	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3128 wrote to memory of 3200	3128	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe	88
PID 3128 wrote to memory of 3200	3128	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe	88
PID 3128 wrote to memory of 3200	3128	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe	88
PID 3128 wrote to memory of 3200	3128	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe	88
PID 3128 wrote to memory of 3200	3128	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe	88
PID 3128 wrote to memory of 3200	3128	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe	88
PID 3128 wrote to memory of 3200	3128	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe	88
PID 3128 wrote to memory of 3200	3128	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe	88
PID 3200 wrote to memory of 4468	3200	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe	89
PID 3200 wrote to memory of 4468	3200	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe	89
PID 3200 wrote to memory of 4468	3200	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe	89
PID 4468 wrote to memory of 1376	4468	cmd.exe	93
PID 4468 wrote to memory of 1376	4468	cmd.exe	93
PID 4468 wrote to memory of 1376	4468	cmd.exe	93
PID 3200 wrote to memory of 2464	3200	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe	94
PID 3200 wrote to memory of 2464	3200	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe	94
PID 3200 wrote to memory of 2464	3200	a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe	94
PID 2464 wrote to memory of 3088	2464	csrsll.exe	100
PID 2464 wrote to memory of 3088	2464	csrsll.exe	100
PID 2464 wrote to memory of 3088	2464	csrsll.exe	100
PID 2464 wrote to memory of 3088	2464	csrsll.exe	100
PID 2464 wrote to memory of 3088	2464	csrsll.exe	100
PID 2464 wrote to memory of 3088	2464	csrsll.exe	100
PID 2464 wrote to memory of 3088	2464	csrsll.exe	100
PID 2464 wrote to memory of 3088	2464	csrsll.exe	100
PID 2464 wrote to memory of 2296	2464	csrsll.exe	101
PID 2464 wrote to memory of 2296	2464	csrsll.exe	101
PID 2464 wrote to memory of 2296	2464	csrsll.exe	101
PID 2464 wrote to memory of 2296	2464	csrsll.exe	101
PID 2464 wrote to memory of 2296	2464	csrsll.exe	101
PID 2464 wrote to memory of 2296	2464	csrsll.exe	101
PID 2464 wrote to memory of 2296	2464	csrsll.exe	101
PID 2464 wrote to memory of 2296	2464	csrsll.exe	101

C:\Users\Admin\AppData\Local\Temp\a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe
"C:\Users\Admin\AppData\Local\Temp\a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3128
- C:\Users\Admin\AppData\Local\Temp\a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe
  "C:\Users\Admin\AppData\Local\Temp\a71e2c96940504ca2d7b544b79943bf11321fde99442868fc51691efe0a45ccb.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3200
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YPPNV.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4468
  - - 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:1376
- - 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:2464
  - - 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:3088
  - - 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:2296

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\YPPNV.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
94fccab74fefd71f5edce4c0b8a94033

SHA1
be1e44911c5afad043147c1b195cafc03f2d0b49

SHA256
7dc6099233e852ce506187ca86bfd7db02bb84bce5b8c0611a24b62aad090747

SHA512
ac640ee896a3417ed192ad09e5876fc414a78d2ae77c95b79fa8b43008ee7f6d0e47b79722d8b08d0bcd80cd02c3337b83e23aedb692629cc581703bb5d6485c

Download Submit
memory/2296-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2296-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2296-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2296-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2296-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2296-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2464-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2464-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2464-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3088-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3128-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3128-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3128-4-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/3128-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3128-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/3128-6-0x00000000021F0000-0x00000000021F2000-memory.dmp

Filesize
8KB

Download
memory/3200-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3200-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3200-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3200-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3200-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads