modiloader | 8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67c

Analysis

max time kernel
120s
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
04-01-2025 13:20

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General

Target

8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe
Size

130KB
MD5

d75f1c0bf66bcd7d6151a2051ce5e6a0
SHA1

78f9038c3514253d597e4f5ce09e2385f2ce0497
SHA256

8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67c
SHA512

81f58c9539a997c4416ea5915e95fdde8de0869ace39c5e668d4e2a1e61928dd7fe71212e79fd569aa1d5ee7139dc82ffa934a6177d39cecbd05f7933279b31c
SSDEEP

1536:eH1ZaQvR1KiX3NK6I+hZhYrt/w5Q6G6IpiRYzz9qJHhhnm0yG5aP/5UROXTmZ+:SKQJcinxphkG5Q6GdpIOkJHhKRyOXKc

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 6 IoCs

resource	yara_rule
behavioral2/memory/1540-51-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral2/memory/1540-53-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral2/memory/1540-55-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral2/memory/1540-56-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral2/memory/1540-57-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral2/memory/1540-65-0x0000000000400000-0x0000000000411000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe

Executes dropped EXE 3 IoCs

pid	Process
836	Flaseher.exe
1388	Flaseher.exe
1540	Flaseher.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\.Flasfh = "C:\\Users\\Admin\\AppData\\Roaming\\..Flash\\Flaseher.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4500 set thread context of 1820	4500	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe	84
PID 836 set thread context of 1388	836	Flaseher.exe	94
PID 836 set thread context of 1540	836	Flaseher.exe	95

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4500-0-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/4500-7-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/1820-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1820-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4500-13-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/1820-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1820-15-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000a000000023b85-31.dat	upx
behavioral2/memory/836-38-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/1820-43-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/836-42-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/836-44-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/836-46-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/836-45-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/836-58-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/1820-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1388-63-0x0000000000400000-0x000000000040B000-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	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.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	Flaseher.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Flaseher.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Flaseher.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe
Token: SeDebugPrivilege	1388	Flaseher.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4500	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe
1820	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe
836	Flaseher.exe
1388	Flaseher.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 4500 wrote to memory of 1820	4500	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe	84
PID 4500 wrote to memory of 1820	4500	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe	84
PID 4500 wrote to memory of 1820	4500	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe	84
PID 4500 wrote to memory of 1820	4500	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe	84
PID 4500 wrote to memory of 1820	4500	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe	84
PID 4500 wrote to memory of 1820	4500	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe	84
PID 4500 wrote to memory of 1820	4500	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe	84
PID 4500 wrote to memory of 1820	4500	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe	84
PID 1820 wrote to memory of 1216	1820	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe	85
PID 1820 wrote to memory of 1216	1820	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe	85
PID 1820 wrote to memory of 1216	1820	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe	85
PID 1216 wrote to memory of 1932	1216	cmd.exe	88
PID 1216 wrote to memory of 1932	1216	cmd.exe	88
PID 1216 wrote to memory of 1932	1216	cmd.exe	88
PID 1820 wrote to memory of 836	1820	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe	89
PID 1820 wrote to memory of 836	1820	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe	89
PID 1820 wrote to memory of 836	1820	8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe	89
PID 836 wrote to memory of 1388	836	Flaseher.exe	94
PID 836 wrote to memory of 1388	836	Flaseher.exe	94
PID 836 wrote to memory of 1388	836	Flaseher.exe	94
PID 836 wrote to memory of 1388	836	Flaseher.exe	94
PID 836 wrote to memory of 1388	836	Flaseher.exe	94
PID 836 wrote to memory of 1388	836	Flaseher.exe	94
PID 836 wrote to memory of 1388	836	Flaseher.exe	94
PID 836 wrote to memory of 1388	836	Flaseher.exe	94
PID 836 wrote to memory of 1540	836	Flaseher.exe	95
PID 836 wrote to memory of 1540	836	Flaseher.exe	95
PID 836 wrote to memory of 1540	836	Flaseher.exe	95
PID 836 wrote to memory of 1540	836	Flaseher.exe	95
PID 836 wrote to memory of 1540	836	Flaseher.exe	95
PID 836 wrote to memory of 1540	836	Flaseher.exe	95
PID 836 wrote to memory of 1540	836	Flaseher.exe	95
PID 836 wrote to memory of 1540	836	Flaseher.exe	95
PID 836 wrote to memory of 1540	836	Flaseher.exe	95
PID 836 wrote to memory of 1540	836	Flaseher.exe	95
PID 836 wrote to memory of 1540	836	Flaseher.exe	95
PID 836 wrote to memory of 1540	836	Flaseher.exe	95
PID 836 wrote to memory of 1540	836	Flaseher.exe	95

C:\Users\Admin\AppData\Local\Temp\8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe
"C:\Users\Admin\AppData\Local\Temp\8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4500
- C:\Users\Admin\AppData\Local\Temp\8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe
  "C:\Users\Admin\AppData\Local\Temp\8f2aa03cc3e00e0efd975f9b98f3f93629835410afede0faeb321af597c2a67cN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1820
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\IIURO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1216
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v ".Flasfh" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:1932
- - C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe
    "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:836
  - - C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe
      "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1388
  - - C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe
      "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1540

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IIURO.txt

Filesize
145B

MD5
da0cbe87b720a79b294147ed6a4b98be

SHA1
ebf0dc9efd7a12cb192e355cda87546acb4ab360

SHA256
7ccfeff356fdccc9145bd1e263aa1c56360ca7b6552ed5a5665c596d02a627ed

SHA512
f55c4a3d24d2f11db5eda3c816d1cd3b8804a171a7bf715b13d60788247fbb352eafaa5bd4e0a8086c1013396be0a48c7bdb904ab0f974fa0c75e81e3d365acc

Download Submit
C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe

Filesize
130KB

MD5
1dcf9f7f2538ba4b1a173f23dd62ec98

SHA1
a5ec2daac36a760f288cc4f2df12c8582bfb8b0f

SHA256
e0d8908602fd9311ae18ecaa422f7a547f11cee375545a9e05dd4493b613a54b

SHA512
648116380b590d48bd4a154478eb840bfcd7f662875eda7c967ce514dcd5b1a8505b21ca20f559a69ded67b259c6e0101f1e65d18537649fc5ef536f72ea2901

Download Submit
memory/836-58-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/836-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/836-46-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/836-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/836-42-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/836-38-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1388-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1540-51-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1540-53-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1540-65-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1540-57-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1540-56-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1540-55-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1820-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1820-15-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1820-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1820-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1820-43-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1820-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4500-9-0x0000000002CA0000-0x0000000002CA1000-memory.dmp

Filesize
4KB

Download
memory/4500-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4500-5-0x0000000002C20000-0x0000000002C21000-memory.dmp

Filesize
4KB

Download
memory/4500-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4500-6-0x0000000002C80000-0x0000000002C81000-memory.dmp

Filesize
4KB

Download
memory/4500-3-0x0000000002BB0000-0x0000000002BB1000-memory.dmp

Filesize
4KB

Download
memory/4500-8-0x0000000002C90000-0x0000000002C91000-memory.dmp

Filesize
4KB

Download
memory/4500-4-0x0000000002BE0000-0x0000000002BE1000-memory.dmp

Filesize
4KB

Download
memory/4500-13-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads