modiloader | d87b37d5346312ccf3b629d2911c8c4802fffa4ad20bfb001ae85cff1186320d

General

Target

d3c4a6a57c91bc8f54ebd945b6dd3437_JaffaCakes118.exe
Size

204KB
MD5

d3c4a6a57c91bc8f54ebd945b6dd3437
SHA1

1cf832a8a5c3370edd541c3fc0282f9d39c3c63c
SHA256

d87b37d5346312ccf3b629d2911c8c4802fffa4ad20bfb001ae85cff1186320d
SHA512

867bef2d7f34c67b18042c22650085232507b4ef373a1490af8ebd4c287d5b1c0d5a5601a5ae08e530ea0457c41c8ae94247f5edf0d582918d3ed703420e747e
SSDEEP

3072:k2WwClXMPvigKs4pkuVlxh5lRCQVG78q1cDTy5724UcihckMOUIVJRkYy:vWwCl8PaBsyVxtVW2nE24PfkLUIZk

Score

10^/10

modiloader discovery evasion persistence trojan upx

Malware Config

Signatures

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

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

ModiLoader Second Stage 17 IoCs

resource	yara_rule
behavioral2/memory/3448-16-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3044-27-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/116-35-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/116-36-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/116-39-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/116-42-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/116-45-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/116-48-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/116-51-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/116-54-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/116-57-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/116-60-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/116-63-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/116-66-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/116-69-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/116-72-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/116-75-0x0000000000400000-0x0000000000450000-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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	AIMBRC~1.EXE

Executes dropped EXE 3 IoCs

pid	Process
3448	AIMBRC~1.EXE
116	mstwain32.exe
3044	AIMBRC~1.EXE

Loads dropped DLL 4 IoCs

pid	Process
116	mstwain32.exe
116	mstwain32.exe
116	mstwain32.exe
116	mstwain32.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a0000000234c6-3.dat	upx
behavioral2/memory/3448-4-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3448-16-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3044-27-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/116-35-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/116-36-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/116-39-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/116-42-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/116-45-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/116-48-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/116-51-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/116-54-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/116-57-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/116-60-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/116-63-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/116-66-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/116-69-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/116-72-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/116-75-0x0000000000400000-0x0000000000450000-memory.dmp	upx

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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	d3c4a6a57c91bc8f54ebd945b6dd3437_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	AIMBRC~1.EXE
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	AIMBRC~1.EXE
File opened for modification	C:\Windows\mstwain32.exe	AIMBRC~1.EXE
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe

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 3 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	AIMBRC~1.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AIMBRC~1.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3448	AIMBRC~1.EXE
Token: SeDebugPrivilege	116	mstwain32.exe
Token: SeDebugPrivilege	116	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
116	mstwain32.exe
116	mstwain32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 3448	4828	d3c4a6a57c91bc8f54ebd945b6dd3437_JaffaCakes118.exe	83
PID 4828 wrote to memory of 3448	4828	d3c4a6a57c91bc8f54ebd945b6dd3437_JaffaCakes118.exe	83
PID 4828 wrote to memory of 3448	4828	d3c4a6a57c91bc8f54ebd945b6dd3437_JaffaCakes118.exe	83
PID 3448 wrote to memory of 116	3448	AIMBRC~1.EXE	93
PID 3448 wrote to memory of 116	3448	AIMBRC~1.EXE	93
PID 3448 wrote to memory of 116	3448	AIMBRC~1.EXE	93
PID 4828 wrote to memory of 3044	4828	d3c4a6a57c91bc8f54ebd945b6dd3437_JaffaCakes118.exe	94
PID 4828 wrote to memory of 3044	4828	d3c4a6a57c91bc8f54ebd945b6dd3437_JaffaCakes118.exe	94
PID 4828 wrote to memory of 3044	4828	d3c4a6a57c91bc8f54ebd945b6dd3437_JaffaCakes118.exe	94

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

C:\Users\Admin\AppData\Local\Temp\d3c4a6a57c91bc8f54ebd945b6dd3437_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d3c4a6a57c91bc8f54ebd945b6dd3437_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4828
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\AIMBRC~1.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\AIMBRC~1.EXE
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3448
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe"
    3⤵
    - UAC bypass
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks whether UAC is enabled
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - System policy modification
    PID:116
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\AIMBRC~1.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\AIMBRC~1.EXE
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\AIMBRC~1.EXE

Filesize
108KB

MD5
5a9157faaa9e0207d3184496fd8c6e41

SHA1
31fffaa8810f722fafe0f822f0f4a9f4db81d26b

SHA256
fe4324b51047b743519c90d475273e1076d1437820dd35255d0c5341a3dbdfd8

SHA512
dd983d25ac60b898fb5f3ed5cbe0afc4e4b9023a1cda5c7fe1a5ddc854c6b3d3639094c9408b6b70a53fc8b3a7c74e7bed005b9c3a2f5348be82ef3cb7729fae

Download Submit
C:\Windows\cmsetac.dll

Filesize
33KB

MD5
0b9e30e2df9c6b96471890e35eb7bcfe

SHA1
590d2d2140b4ea4f2d5c58c9f3d19562d579bb9e

SHA256
d8082bb1a35a2d403ad1e3c6b6dc61cda0eddba310d84432acdfe36ab841fb4d

SHA512
5edde28d8c46ab90efb9bcbeaf843371ce8a5511feea6e1ec584105b3563112aa622c763f69c569e86af15d19d4a8cc916a42ca4f5d9e0ad21e9b775933f0a29

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/116-51-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/116-39-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/116-25-0x00000000020D0000-0x00000000020D1000-memory.dmp

Filesize
4KB

Download
memory/116-75-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/116-31-0x00000000030E0000-0x00000000030EE000-memory.dmp

Filesize
56KB

Download
memory/116-72-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/116-34-0x0000000002F90000-0x0000000002F91000-memory.dmp

Filesize
4KB

Download
memory/116-35-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/116-36-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/116-37-0x0000000002120000-0x0000000002128000-memory.dmp

Filesize
32KB

Download
memory/116-38-0x00000000030E0000-0x00000000030EE000-memory.dmp

Filesize
56KB

Download
memory/116-69-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/116-42-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/116-45-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/116-48-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/116-66-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/116-54-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/116-57-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/116-60-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/116-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3044-27-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3448-4-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3448-16-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3448-6-0x0000000000A60000-0x0000000000A61000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads