modiloader | 6e12b81d0caa6af558b3890f3240544528f8c5e3b64ba8fc1ff94e7e1da264b8

General

Target

ead941adf6c2faa306a3958518213c38_JaffaCakes118.exe
Size

792KB
MD5

ead941adf6c2faa306a3958518213c38
SHA1

ca987dfb8c50c8a52ab8217fa18c4c1fac9df71f
SHA256

6e12b81d0caa6af558b3890f3240544528f8c5e3b64ba8fc1ff94e7e1da264b8
SHA512

0712e5b7c6b53753ef001dd378f03529cac384f266499185909fda2d38627c68e4b12a5a245a547e5d9ea47536c1f7d5c9c511aaa630291494c150929e961d6c
SSDEEP

24576:dSA6gqLF77dMY1mahfbJoda6D0rcytkOsxo6j18ZsRTEswxtmttYSztF9a06pAFQ:kA6gqLF77dMY1mahfbJoda6D0rcytkO3

Score

10^/10

modiloader xtremerat discovery persistence rat spyware trojan upx

Malware Config

Extracted

Family

xtremerat

C2

known.no-ip.biz

known1.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/2280-21-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral2/memory/1436-25-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral2/memory/2280-27-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
persistence spyware rat xtremerat

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral2/memory/920-20-0x0000000000400000-0x00000000004CD000-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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	ead941adf6c2faa306a3958518213c38_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
1436	server.exe
1004	Login Spoofer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00090000000233e2-4.dat	upx
behavioral2/memory/1436-9-0x0000000010000000-0x0000000010051000-memory.dmp	upx
behavioral2/memory/2280-21-0x0000000010000000-0x0000000010051000-memory.dmp	upx
behavioral2/memory/1436-25-0x0000000010000000-0x0000000010051000-memory.dmp	upx
behavioral2/memory/2280-27-0x0000000010000000-0x0000000010051000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4232	2280	WerFault.exe	84
228	2280	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 4 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ead941adf6c2faa306a3958518213c38_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Login Spoofer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1004	Login Spoofer.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 920 wrote to memory of 1436	920	ead941adf6c2faa306a3958518213c38_JaffaCakes118.exe	82
PID 920 wrote to memory of 1436	920	ead941adf6c2faa306a3958518213c38_JaffaCakes118.exe	82
PID 920 wrote to memory of 1436	920	ead941adf6c2faa306a3958518213c38_JaffaCakes118.exe	82
PID 920 wrote to memory of 1004	920	ead941adf6c2faa306a3958518213c38_JaffaCakes118.exe	83
PID 920 wrote to memory of 1004	920	ead941adf6c2faa306a3958518213c38_JaffaCakes118.exe	83
PID 920 wrote to memory of 1004	920	ead941adf6c2faa306a3958518213c38_JaffaCakes118.exe	83
PID 1436 wrote to memory of 2280	1436	server.exe	84
PID 1436 wrote to memory of 2280	1436	server.exe	84
PID 1436 wrote to memory of 2280	1436	server.exe	84
PID 1436 wrote to memory of 2280	1436	server.exe	84
PID 1436 wrote to memory of 3824	1436	server.exe	85
PID 1436 wrote to memory of 3824	1436	server.exe	85
PID 1436 wrote to memory of 3824	1436	server.exe	85

C:\Users\Admin\AppData\Local\Temp\ead941adf6c2faa306a3958518213c38_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ead941adf6c2faa306a3958518213c38_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:920
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1436
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2280
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2280 -s 476
      4⤵
      Program crash
      PID:4232
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2280 -s 500
      4⤵
      Program crash
      PID:228
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3824
- C:\Users\Admin\AppData\Local\Temp\Login Spoofer.exe
  "C:\Users\Admin\AppData\Local\Temp\Login Spoofer.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2280 -ip 2280
1⤵
PID:5092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2280 -ip 2280
1⤵
PID:2036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\Login Spoofer.exe

Filesize
648KB

MD5
8385a37c481cb31e1ee5619d1ccff82d

SHA1
6232e15c86e4097663175b73a8eb18b74b060d0d

SHA256
9ef507bbc32a0dbd00c30678510e23c97495303d93f7c4e91fb96f687b9e7923

SHA512
9047510ca5e7082d8a6d5bee116537a414c55271caa3353de2faabdf75ca00229485883568bcccb5c342aa21bc9d29ec764e2cf2bffe32ab1a393deb1c727d68

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
38KB

MD5
a30d5e6145a02cd15ce97a97cd7ad777

SHA1
e779534674158c9b73a1a4b5a6783e4c79426e37

SHA256
4fc7751dfa1cfea7f29a237f08dc0e0171ed107fd50b40425e8b4346ca00f44b

SHA512
45695d0215de559681bcc65eb51391347e167f33aa1396ca3689ebe85ab24f2a335dd8bdd5b5888236b3c12230320bce0c353dcf5d6cb3b0e148540acc796521

Download Submit
memory/920-20-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1436-9-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/1436-25-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/2280-21-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/2280-27-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download

Analysis

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