modiloader | b12eacb58fdec15ef47381a179ad8436714dad9fb0ada9149cb0dd16a30335a7

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 10:21

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General

Target

RFQ Engine & Piston overhaul,Doc.exe
Size

1.1MB
MD5

cb29d8a4b611a3b84ccf7c597d2a1c6e
SHA1

b0b066b3c6efe68a3a591e9d10f665b9d22cdf9f
SHA256

1ea1b7efa0e1f28a2c64bbe8db6629a1171041624c65f7a6293b8ea4563c4c4e
SHA512

8ae6434e0fc40e060ba3fa1b6968860043883679710d4a25b9925287c0a7c52cfce121b143d2fc10ce4bb9382d979da7f90900924d42008227a08395b3985173
SSDEEP

24576:jkcL46wGlmCQ4dviCbWBFREfuFlFnP06vtSRDZZdI39v5SPfWxtPtnwpZz2MXMGq:jQnrCxf2dsjrMSehaaVt

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
behavioral2/memory/4772-2-0x0000000002E60000-0x0000000003E60000-memory.dmp	modiloader_stage2

Executes dropped EXE 9 IoCs

pid	Process
800	alpha.pif
1160	alpha.pif
3320	alpha.pif
4572	xpha.pif
2280	per.exe
1188	pha.pif
1324	alpha.pif
1492	alpha.pif
1460	alpha.pif

Loads dropped DLL 1 IoCs

pid	Process
2280	per.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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bzaszylr = "C:\\Users\\Public\\Bzaszylr.url"	RFQ Engine & Piston overhaul,Doc.exe

System Location Discovery: System Language Discovery 1 TTPs 10 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	RFQ Engine & Piston overhaul,Doc.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	xpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	alpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorcpl.exe
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	alpha.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
4832	esentutl.exe

Script User-Agent 1 IoCs

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

description	flow	ioc
HTTP User-Agent header	17	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1188	pha.pif
1188	pha.pif
4772	RFQ Engine & Piston overhaul,Doc.exe
4772	RFQ Engine & Piston overhaul,Doc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1188	pha.pif

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 5012	4772	RFQ Engine & Piston overhaul,Doc.exe	88
PID 4772 wrote to memory of 5012	4772	RFQ Engine & Piston overhaul,Doc.exe	88
PID 4772 wrote to memory of 5012	4772	RFQ Engine & Piston overhaul,Doc.exe	88
PID 5012 wrote to memory of 2888	5012	cmd.exe	90
PID 5012 wrote to memory of 2888	5012	cmd.exe	90
PID 5012 wrote to memory of 2888	5012	cmd.exe	90
PID 5012 wrote to memory of 4832	5012	cmd.exe	91
PID 5012 wrote to memory of 4832	5012	cmd.exe	91
PID 5012 wrote to memory of 4832	5012	cmd.exe	91
PID 5012 wrote to memory of 800	5012	cmd.exe	92
PID 5012 wrote to memory of 800	5012	cmd.exe	92
PID 5012 wrote to memory of 800	5012	cmd.exe	92
PID 5012 wrote to memory of 1160	5012	cmd.exe	93
PID 5012 wrote to memory of 1160	5012	cmd.exe	93
PID 5012 wrote to memory of 1160	5012	cmd.exe	93
PID 5012 wrote to memory of 3320	5012	cmd.exe	94
PID 5012 wrote to memory of 3320	5012	cmd.exe	94
PID 5012 wrote to memory of 3320	5012	cmd.exe	94
PID 3320 wrote to memory of 4572	3320	alpha.pif	95
PID 3320 wrote to memory of 4572	3320	alpha.pif	95
PID 3320 wrote to memory of 4572	3320	alpha.pif	95
PID 5012 wrote to memory of 2280	5012	cmd.exe	96
PID 5012 wrote to memory of 2280	5012	cmd.exe	96
PID 2280 wrote to memory of 4388	2280	per.exe	97
PID 2280 wrote to memory of 4388	2280	per.exe	97
PID 2280 wrote to memory of 1188	2280	per.exe	100
PID 2280 wrote to memory of 1188	2280	per.exe	100
PID 5012 wrote to memory of 1324	5012	cmd.exe	102
PID 5012 wrote to memory of 1324	5012	cmd.exe	102
PID 5012 wrote to memory of 1324	5012	cmd.exe	102
PID 5012 wrote to memory of 1492	5012	cmd.exe	103
PID 5012 wrote to memory of 1492	5012	cmd.exe	103
PID 5012 wrote to memory of 1492	5012	cmd.exe	103
PID 5012 wrote to memory of 1460	5012	cmd.exe	104
PID 5012 wrote to memory of 1460	5012	cmd.exe	104
PID 5012 wrote to memory of 1460	5012	cmd.exe	104
PID 4772 wrote to memory of 1484	4772	RFQ Engine & Piston overhaul,Doc.exe	105
PID 4772 wrote to memory of 1484	4772	RFQ Engine & Piston overhaul,Doc.exe	105
PID 4772 wrote to memory of 1484	4772	RFQ Engine & Piston overhaul,Doc.exe	105
PID 4772 wrote to memory of 2900	4772	RFQ Engine & Piston overhaul,Doc.exe	107
PID 4772 wrote to memory of 2900	4772	RFQ Engine & Piston overhaul,Doc.exe	107
PID 4772 wrote to memory of 2900	4772	RFQ Engine & Piston overhaul,Doc.exe	107
PID 4772 wrote to memory of 2900	4772	RFQ Engine & Piston overhaul,Doc.exe	107

C:\Users\Admin\AppData\Local\Temp\RFQ Engine & Piston overhaul,Doc.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ Engine & Piston overhaul,Doc.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4772
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\rlyzsazB.cmd" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5012
- - C:\Windows\SysWOW64\esentutl.exe
    C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\cmd.exe /d C:\\Users\\Public\\alpha.pif /o
    3⤵
    PID:2888
- - 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:4832
- - 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:800
- - 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:1160
- - 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
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3320
  - - 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:4572
- - C:\Windows \SysWOW64\per.exe
    "C:\\Windows \\SysWOW64\\per.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2280
  - - C:\Windows\SYSTEM32\esentutl.exe
      esentutl /y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe /d C:\\Users\\Public\\pha.pif /o
      4⤵
      PID:4388
  - - C:\Users\Public\pha.pif
      C:\\Users\\Public\\pha.pif -WindowStyle hidden -Command Add-MpPreference -ExclusionExtension '.exe','bat','.pif'
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1188
- - 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:1324
- - 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:1492
- - 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:1460
- C:\Windows\SysWOW64\esentutl.exe
  C:\\Windows\\System32\\esentutl.exe /y C:\Users\Admin\AppData\Local\Temp\RFQ Engine & Piston overhaul,Doc.exe /d C:\\Users\\Public\\Libraries\\Bzaszylr.PIF /o
  2⤵
  PID:1484
- C:\Windows\SysWOW64\colorcpl.exe
  C:\Windows\System32\colorcpl.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2900

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 Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_c4t3n41n.5rm.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\Libraries\rlyzsazB.cmd

Filesize
60KB

MD5
b87f096cbc25570329e2bb59fee57580

SHA1
d281d1bf37b4fb46f90973afc65eece3908532b2

SHA256
d08ccc9b1e3acc205fe754bad8416964e9711815e9ceed5e6af73d8e9035ec9e

SHA512
72901adde38f50cf6d74743c0a546c0fea8b1cd4a18449048a0758a7593a176fc33aad1ebfd955775eefc2b30532bcc18e4f2964b3731b668dd87d94405951f7

Download Submit
C:\Users\Public\alpha.pif

Filesize
231KB

MD5
d0fce3afa6aa1d58ce9fa336cc2b675b

SHA1
4048488de6ba4bfef9edf103755519f1f762668f

SHA256
4d89fc34d5f0f9babd022271c585a9477bf41e834e46b991deaa0530fdb25e22

SHA512
80e127ef81752cd50f9ea2d662dc4d3bf8db8d29680e75fa5fc406ca22cafa5c4d89ef2eac65b486413d3cdd57a2c12a1cb75f65d1e312a717d262265736d1c2

Download Submit
C:\Users\Public\pha.pif

Filesize
442KB

MD5
04029e121a0cfa5991749937dd22a1d9

SHA1
f43d9bb316e30ae1a3494ac5b0624f6bea1bf054

SHA256
9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f

SHA512
6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b

Download Submit
C:\Users\Public\xpha.pif

Filesize
18KB

MD5
b3624dd758ccecf93a1226cef252ca12

SHA1
fcf4dad8c4ad101504b1bf47cbbddbac36b558a7

SHA256
4aaa74f294c15aeb37ada8185d0dead58bd87276a01a814abc0c4b40545bf2ef

SHA512
c613d18511b00fa25fc7b1bdde10d96debb42a99b5aaab9e9826538d0e229085bb371f0197f6b1086c4f9c605f01e71287ffc5442f701a95d67c232a5f031838

Download Submit
C:\Windows \SysWOW64\netutils.dll

Filesize
115KB

MD5
24288128904256e23517b0eb198ca4d9

SHA1
421e52cbd7043dda9960575c8ecf572748033ddb

SHA256
701f49cccf4fee58e042914518e90eeff05ef28c8a5eb043a8ecc721fdcf2571

SHA512
cd11a703470b376e65649808a48cebba82f088095bfabb95f856995b7d85ff442832df5eae07b02b67bb8eec34b69dbbe0b5deaca15b79b39823527842ce4313

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

Filesize
94KB

MD5
869640d0a3f838694ab4dfea9e2f544d

SHA1
bdc42b280446ba53624ff23f314aadb861566832

SHA256
0db4d3ffdb96d13cf3b427af8be66d985728c55ae254e4b67d287797e4c0b323

SHA512
6e775cfb350415434b18427d5ff79b930ed3b0b3fc3466bc195a796c95661d4696f2d662dd0e020c3a6c3419c2734468b1d7546712ecec868d2bbfd2bc2468a7

Download Submit
memory/1188-130-0x00000221A30F0000-0x00000221A3112000-memory.dmp

Filesize
136KB

Download
memory/2888-12-0x0000000000A70000-0x0000000000A80000-memory.dmp

Filesize
64KB

Download
memory/2888-35-0x0000000000EA0000-0x0000000000EB0000-memory.dmp

Filesize
64KB

Download
memory/4772-0-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/4772-4-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4772-5-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/4772-2-0x0000000002E60000-0x0000000003E60000-memory.dmp

Filesize
16.0MB

Download
memory/4772-1-0x0000000002E60000-0x0000000003E60000-memory.dmp

Filesize
16.0MB

Download