modiloader | e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 03:50

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General

Target

e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe
Size

90KB
MD5

c18a027dcd18412f7f8e76ab0041fa7f
SHA1

b8392b6ab7023f376cd3c78e3375c46fd503e5ed
SHA256

e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d
SHA512

d5de51c74444ae9543584f36ba190df780f949cd35114709b44599bdb079c462b881696662faad875201b1c76cfa8e67071e60ecf3500ce6c247720d6a73f05f
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDl:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3v

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/3020-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3020-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3020-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3020-63-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe

Executes dropped EXE 3 IoCs

pid	Process
2436	csrsll.exe
3136	csrsll.exe
3020	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-1-5-21-2437139445-1151884604-3026847218-1000\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 3928	1724	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe	83
PID 2436 set thread context of 3136	2436	csrsll.exe	90
PID 2436 set thread context of 3020	2436	csrsll.exe	91

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1724-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1724-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3928-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3928-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1724-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3928-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023bae-29.dat	upx
behavioral2/memory/3928-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2436-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2436-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3020-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3020-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2436-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3020-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3020-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3020-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3928-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3136-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3020-63-0x0000000000400000-0x0000000000414000-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	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	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe
Token: SeDebugPrivilege	3136	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1724	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe
3928	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe
2436	csrsll.exe
3136	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 3928	1724	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe	83
PID 1724 wrote to memory of 3928	1724	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe	83
PID 1724 wrote to memory of 3928	1724	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe	83
PID 1724 wrote to memory of 3928	1724	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe	83
PID 1724 wrote to memory of 3928	1724	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe	83
PID 1724 wrote to memory of 3928	1724	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe	83
PID 1724 wrote to memory of 3928	1724	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe	83
PID 1724 wrote to memory of 3928	1724	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe	83
PID 3928 wrote to memory of 972	3928	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe	84
PID 3928 wrote to memory of 972	3928	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe	84
PID 3928 wrote to memory of 972	3928	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe	84
PID 972 wrote to memory of 2476	972	cmd.exe	88
PID 972 wrote to memory of 2476	972	cmd.exe	88
PID 972 wrote to memory of 2476	972	cmd.exe	88
PID 3928 wrote to memory of 2436	3928	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe	89
PID 3928 wrote to memory of 2436	3928	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe	89
PID 3928 wrote to memory of 2436	3928	e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe	89
PID 2436 wrote to memory of 3136	2436	csrsll.exe	90
PID 2436 wrote to memory of 3136	2436	csrsll.exe	90
PID 2436 wrote to memory of 3136	2436	csrsll.exe	90
PID 2436 wrote to memory of 3136	2436	csrsll.exe	90
PID 2436 wrote to memory of 3136	2436	csrsll.exe	90
PID 2436 wrote to memory of 3136	2436	csrsll.exe	90
PID 2436 wrote to memory of 3136	2436	csrsll.exe	90
PID 2436 wrote to memory of 3136	2436	csrsll.exe	90
PID 2436 wrote to memory of 3020	2436	csrsll.exe	91
PID 2436 wrote to memory of 3020	2436	csrsll.exe	91
PID 2436 wrote to memory of 3020	2436	csrsll.exe	91
PID 2436 wrote to memory of 3020	2436	csrsll.exe	91
PID 2436 wrote to memory of 3020	2436	csrsll.exe	91
PID 2436 wrote to memory of 3020	2436	csrsll.exe	91
PID 2436 wrote to memory of 3020	2436	csrsll.exe	91
PID 2436 wrote to memory of 3020	2436	csrsll.exe	91

C:\Users\Admin\AppData\Local\Temp\e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe
"C:\Users\Admin\AppData\Local\Temp\e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.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\e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe
  "C:\Users\Admin\AppData\Local\Temp\e7ae79b4b6aea962bf1a5b99d570d6ee1dcddd1bfa167a41e0a6e6fa1a5a6d0d.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3928
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HIFOA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:972
  - - 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:2476
- - 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:2436
  - - 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:3136
  - - 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:3020

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\HIFOA.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
56d24f6829e9eeaa208e9525972a38b6

SHA1
6d8c82ce05270fe8e118b760cb2bd18b96834896

SHA256
4de4c4d50a99b9fb39ea9a95e2d985235dda28b8a500a09a4c0d8b76a3f50221

SHA512
36b01b170d873fbb120f1258837e4a1ea544b6f6f36f1fa9d9d225259dd21af5f0f3738845d45178ace8b8fc6a237dd80a74c6e6f9728b0f164f98b7d729bcf4

Download Submit
memory/1724-3-0x00000000021B0000-0x00000000021B2000-memory.dmp

Filesize
8KB

Download
memory/1724-5-0x00000000022E0000-0x00000000022E2000-memory.dmp

Filesize
8KB

Download
memory/1724-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1724-6-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

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

Filesize
332KB

Download
memory/1724-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2436-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2436-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2436-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3020-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3020-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3020-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3020-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3020-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3020-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3136-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3928-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3928-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3928-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3928-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3928-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads