modiloader | 4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21

Analysis

max time kernel
39s
max time network
41s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21-09-2024 23:11

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General

Target

4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe
Size

1.0MB
MD5

a7b12afe35112ee82d4bff29c6ccd3b0
SHA1

a47503ae304dda6ffa4439e61379b6f75d5d6ff5
SHA256

4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21
SHA512

148d9e7c46557866f2e9417beba2a27ec5996fe20da5c606a9824d234c78565beef6988ae63cdac6414a9aab5c458a5afbea83947417a193f2b14aa607672a19
SSDEEP

24576:P7rl+4eybvhO0kERedWIUwF42P17sLXcP7AIe5ocVVTNPYjxJ/WbBfU:P7xhqhWIbF4gKKeWcVVTNPYqfU

Score

10^/10

modiloader discovery persistence trojan

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/2220-2-0x0000000003440000-0x0000000004440000-memory.dmp	modiloader_stage2

Executes dropped EXE 10 IoCs

pid	Process
3068	alpha.pif
2696	alpha.pif
2940	alpha.pif
2684	xpha.pif
2012	per.exe
2932	per.exe
2960	alpha.pif
788	alpha.pif
2540	alpha.pif
1680	lxsyrsiW.pif

Loads dropped DLL 6 IoCs

pid	Process
1484	cmd.exe
1484	cmd.exe
1484	cmd.exe
2940	alpha.pif
2220	4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe
2220	4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\Wisrysxl = "C:\\Users\\Public\\Wisrysxl.url"	4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
2	drive.google.com
4	drive.google.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2220 set thread context of 1680	2220	4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe	45

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 9 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	alpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	alpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	alpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	alpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	alpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	alpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xpha.pif

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1932	esentutl.exe

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	6	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of WriteProcessMemory 50 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 1484	2220	4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe	30
PID 2220 wrote to memory of 1484	2220	4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe	30
PID 2220 wrote to memory of 1484	2220	4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe	30
PID 2220 wrote to memory of 1484	2220	4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe	30
PID 1484 wrote to memory of 2872	1484	cmd.exe	32
PID 1484 wrote to memory of 2872	1484	cmd.exe	32
PID 1484 wrote to memory of 2872	1484	cmd.exe	32
PID 1484 wrote to memory of 2872	1484	cmd.exe	32
PID 1484 wrote to memory of 1932	1484	cmd.exe	33
PID 1484 wrote to memory of 1932	1484	cmd.exe	33
PID 1484 wrote to memory of 1932	1484	cmd.exe	33
PID 1484 wrote to memory of 1932	1484	cmd.exe	33
PID 1484 wrote to memory of 3068	1484	cmd.exe	34
PID 1484 wrote to memory of 3068	1484	cmd.exe	34
PID 1484 wrote to memory of 3068	1484	cmd.exe	34
PID 1484 wrote to memory of 3068	1484	cmd.exe	34
PID 1484 wrote to memory of 2696	1484	cmd.exe	35
PID 1484 wrote to memory of 2696	1484	cmd.exe	35
PID 1484 wrote to memory of 2696	1484	cmd.exe	35
PID 1484 wrote to memory of 2696	1484	cmd.exe	35
PID 1484 wrote to memory of 2940	1484	cmd.exe	36
PID 1484 wrote to memory of 2940	1484	cmd.exe	36
PID 1484 wrote to memory of 2940	1484	cmd.exe	36
PID 1484 wrote to memory of 2940	1484	cmd.exe	36
PID 2940 wrote to memory of 2684	2940	alpha.pif	37
PID 2940 wrote to memory of 2684	2940	alpha.pif	37
PID 2940 wrote to memory of 2684	2940	alpha.pif	37
PID 2940 wrote to memory of 2684	2940	alpha.pif	37
PID 1484 wrote to memory of 2960	1484	cmd.exe	40
PID 1484 wrote to memory of 2960	1484	cmd.exe	40
PID 1484 wrote to memory of 2960	1484	cmd.exe	40
PID 1484 wrote to memory of 2960	1484	cmd.exe	40
PID 1484 wrote to memory of 788	1484	cmd.exe	41
PID 1484 wrote to memory of 788	1484	cmd.exe	41
PID 1484 wrote to memory of 788	1484	cmd.exe	41
PID 1484 wrote to memory of 788	1484	cmd.exe	41
PID 1484 wrote to memory of 2540	1484	cmd.exe	42
PID 1484 wrote to memory of 2540	1484	cmd.exe	42
PID 1484 wrote to memory of 2540	1484	cmd.exe	42
PID 1484 wrote to memory of 2540	1484	cmd.exe	42
PID 2220 wrote to memory of 2044	2220	4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe	43
PID 2220 wrote to memory of 2044	2220	4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe	43
PID 2220 wrote to memory of 2044	2220	4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe	43
PID 2220 wrote to memory of 2044	2220	4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe	43
PID 2220 wrote to memory of 1680	2220	4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe	45
PID 2220 wrote to memory of 1680	2220	4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe	45
PID 2220 wrote to memory of 1680	2220	4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe	45
PID 2220 wrote to memory of 1680	2220	4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe	45
PID 2220 wrote to memory of 1680	2220	4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe	45
PID 2220 wrote to memory of 1680	2220	4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe	45

C:\Users\Admin\AppData\Local\Temp\4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe
"C:\Users\Admin\AppData\Local\Temp\4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Public\Libraries\lxsyrsiW.cmd" "
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1484
- - C:\Windows\SysWOW64\esentutl.exe
    C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\cmd.exe /d C:\\Users\\Public\\alpha.pif /o
    3⤵
    PID:2872
- - C:\Windows\SysWOW64\esentutl.exe
    C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\ping.exe /d C:\\Users\\Public\\xpha.pif /o
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    PID:1932
- - C:\Users\Public\alpha.pif
    C:\\Users\\Public\\alpha.pif /c mkdir "\\?\C:\Windows "
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3068
- - C:\Users\Public\alpha.pif
    C:\\Users\\Public\\alpha.pif /c mkdir "\\?\C:\Windows \SysWOW64"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2696
- - C:\Users\Public\alpha.pif
    C:\\Users\\Public\\alpha.pif /c C:\\Users\\Public\\xpha.pif 127.0.0.1 -n 10
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2940
  - - C:\Users\Public\xpha.pif
      C:\\Users\\Public\\xpha.pif 127.0.0.1 -n 10
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2684
- - C:\Windows \SysWOW64\per.exe
    "C:\\Windows \\SysWOW64\\per.exe
    3⤵
    - Executes dropped EXE
    PID:2012
- - C:\Windows \SysWOW64\per.exe
    "C:\Windows \SysWOW64\per.exe"
    3⤵
    - Executes dropped EXE
    PID:2932
- - C:\Users\Public\alpha.pif
    C:\\Users\\Public\\alpha.pif /c del "C:\Users\Public\xpha.pif"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2960
- - C:\Users\Public\alpha.pif
    C:\\Users\\Public\\alpha.pif /c rmdir "C:\Windows \SysWOW64
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:788
- - C:\Users\Public\alpha.pif
    C:\\Users\\Public\\alpha.pif /c rmdir "C:\Windows \"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2540
- C:\Windows\SysWOW64\esentutl.exe
  C:\\Windows\\System32\\esentutl.exe /y C:\Users\Admin\AppData\Local\Temp\4a6b2eba43c5f42d0192fa2a618f2e3f27bf145421f58e2b146c6a4b6a5a3f21N.exe /d C:\\Users\\Public\\Libraries\\Wisrysxl.PIF /o
  2⤵
  PID:2044
- C:\Users\Public\Libraries\lxsyrsiW.pif
  C:\Users\Public\Libraries\lxsyrsiW.pif
  2⤵
  - Executes dropped EXE
  PID:1680

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

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Public\Libraries\lxsyrsiW.cmd

Filesize
60KB

MD5
b87f096cbc25570329e2bb59fee57580

SHA1
d281d1bf37b4fb46f90973afc65eece3908532b2

SHA256
d08ccc9b1e3acc205fe754bad8416964e9711815e9ceed5e6af73d8e9035ec9e

SHA512
72901adde38f50cf6d74743c0a546c0fea8b1cd4a18449048a0758a7593a176fc33aad1ebfd955775eefc2b30532bcc18e4f2964b3731b668dd87d94405951f7

Download Submit
C:\Windows \SysWOW64\per.exe

Filesize
94KB

MD5
869640d0a3f838694ab4dfea9e2f544d

SHA1
bdc42b280446ba53624ff23f314aadb861566832

SHA256
0db4d3ffdb96d13cf3b427af8be66d985728c55ae254e4b67d287797e4c0b323

SHA512
6e775cfb350415434b18427d5ff79b930ed3b0b3fc3466bc195a796c95661d4696f2d662dd0e020c3a6c3419c2734468b1d7546712ecec868d2bbfd2bc2468a7

Download Submit
\Users\Public\Libraries\lxsyrsiW.pif

Filesize
66KB

MD5
c116d3604ceafe7057d77ff27552c215

SHA1
452b14432fb5758b46f2897aeccd89f7c82a727d

SHA256
7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

SHA512
9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

Download Submit
\Users\Public\alpha.pif

Filesize
295KB

MD5
ad7b9c14083b52bc532fba5948342b98

SHA1
ee8cbf12d87c4d388f09b4f69bed2e91682920b5

SHA256
17f746d82695fa9b35493b41859d39d786d32b23a9d2e00f4011dec7a02402ae

SHA512
e12aad20c824187b39edb3c7943709290b5ddbf1b4032988db46f2e86da3cf7e7783f78c82e4dc5da232f666b8f9799a260a1f8e2694eb4d0cdaf78da710fde1

Download Submit
\Users\Public\xpha.pif

Filesize
15KB

MD5
6242e3d67787ccbf4e06ad2982853144

SHA1
6ac7947207d999a65890ab25fe344955da35028e

SHA256
4ca10dba7ff487fdb3f1362a3681d7d929f5aa1262cdfd31b04c30826983fb1d

SHA512
7d0d457e1537d624119a8023bcc086575696a5739c0460ef11554afac13af5e5d1edc7629a10e62834aba9f1b3ab1442011b15b4c3930399d91dca34b3b1cbaf

Download Submit
memory/1680-77-0x00000000001B0000-0x00000000011B0000-memory.dmp

Filesize
16.0MB

Download
memory/2220-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2220-1-0x0000000003440000-0x0000000004440000-memory.dmp

Filesize
16.0MB

Download
memory/2220-2-0x0000000003440000-0x0000000004440000-memory.dmp

Filesize
16.0MB

Download
memory/2220-4-0x0000000000400000-0x0000000000513000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads