modiloader | 0540982449bf480cfea0d601bbca24ee2dcf30765fdd17c55ac168b4cb18d602

General

Target

f358747b283ae9e8c87e7ee649ea4785_JaffaCakes118.exe
Size

626KB
MD5

f358747b283ae9e8c87e7ee649ea4785
SHA1

8529ab6a573a3da3cbcf9f3a9432914bd0ee5ed0
SHA256

0540982449bf480cfea0d601bbca24ee2dcf30765fdd17c55ac168b4cb18d602
SHA512

7f6780e6935ec2903f7f7b42039df0e316a9db8c7922c77a8867e8d243d380aa72502dc4c444b761347e2a774315ce80784390b07a303e4003e8e755aa28323a
SSDEEP

12288:W/Hll+rwezDksZpniFsfbBbfCvdtF3Z4mxx4hvXO22pvFvxSKdvwMnyWt0i:GTreXk6KsDBbfCFtQmX4hv+rpxSKhth

Score

10^/10

modiloader discovery 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 2 IoCs

resource	yara_rule
behavioral2/memory/1220-28-0x0000000000400000-0x0000000000513000-memory.dmp	modiloader_stage2
behavioral2/memory/4184-30-0x0000000000400000-0x0000000000513000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
4184	rejoice81.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\_rejoice81.exe	rejoice81.exe
File created	C:\Windows\SysWOW64\_rejoice81.exe	rejoice81.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4184 set thread context of 4188	4184	rejoice81.exe	83

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice81.exe	f358747b283ae9e8c87e7ee649ea4785_JaffaCakes118.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice81.exe	f358747b283ae9e8c87e7ee649ea4785_JaffaCakes118.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3368	4188	WerFault.exe	83
1712	4184	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 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	f358747b283ae9e8c87e7ee649ea4785_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rejoice81.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1220 wrote to memory of 4184	1220	f358747b283ae9e8c87e7ee649ea4785_JaffaCakes118.exe	82
PID 1220 wrote to memory of 4184	1220	f358747b283ae9e8c87e7ee649ea4785_JaffaCakes118.exe	82
PID 1220 wrote to memory of 4184	1220	f358747b283ae9e8c87e7ee649ea4785_JaffaCakes118.exe	82
PID 4184 wrote to memory of 4188	4184	rejoice81.exe	83
PID 4184 wrote to memory of 4188	4184	rejoice81.exe	83
PID 4184 wrote to memory of 4188	4184	rejoice81.exe	83
PID 4184 wrote to memory of 4188	4184	rejoice81.exe	83
PID 4184 wrote to memory of 4188	4184	rejoice81.exe	83
PID 4184 wrote to memory of 3416	4184	rejoice81.exe	84
PID 4184 wrote to memory of 3416	4184	rejoice81.exe	84

C:\Users\Admin\AppData\Local\Temp\f358747b283ae9e8c87e7ee649ea4785_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f358747b283ae9e8c87e7ee649ea4785_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice81.exe
  "C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice81.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4184
- - C:\Windows\SysWOW64\calc.exe
    "C:\Windows\system32\calc.exe"
    3⤵
    PID:4188
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4188 -s 12
      4⤵
      Program crash
      PID:3368
- - C:\program files\internet explorer\IEXPLORE.EXE
    "C:\program files\internet explorer\IEXPLORE.EXE"
    3⤵
    PID:3416
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4184 -s 664
    3⤵
    - Program crash
    PID:1712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4188 -ip 4188
1⤵
PID:3956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4184 -ip 4184
1⤵
PID:2968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files\Common Files\microsoft shared\MSInfo\rejoice81.exe

Filesize
626KB

MD5
f358747b283ae9e8c87e7ee649ea4785

SHA1
8529ab6a573a3da3cbcf9f3a9432914bd0ee5ed0

SHA256
0540982449bf480cfea0d601bbca24ee2dcf30765fdd17c55ac168b4cb18d602

SHA512
7f6780e6935ec2903f7f7b42039df0e316a9db8c7922c77a8867e8d243d380aa72502dc4c444b761347e2a774315ce80784390b07a303e4003e8e755aa28323a

Download Submit
memory/1220-5-0x00000000024E0000-0x00000000024E1000-memory.dmp

Filesize
4KB

Download
memory/1220-12-0x00000000034C0000-0x00000000034C3000-memory.dmp

Filesize
12KB

Download
memory/1220-3-0x0000000002500000-0x0000000002501000-memory.dmp

Filesize
4KB

Download
memory/1220-11-0x00000000034D0000-0x00000000034D1000-memory.dmp

Filesize
4KB

Download
memory/1220-10-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/1220-9-0x0000000002560000-0x0000000002561000-memory.dmp

Filesize
4KB

Download
memory/1220-8-0x0000000002530000-0x0000000002531000-memory.dmp

Filesize
4KB

Download
memory/1220-7-0x0000000002540000-0x0000000002541000-memory.dmp

Filesize
4KB

Download
memory/1220-2-0x0000000002520000-0x0000000002521000-memory.dmp

Filesize
4KB

Download
memory/1220-0-0x0000000000400000-0x0000000000513000-memory.dmp

Filesize
1.1MB

Download
memory/1220-4-0x0000000002550000-0x0000000002551000-memory.dmp

Filesize
4KB

Download
memory/1220-13-0x00000000035C0000-0x00000000035C1000-memory.dmp

Filesize
4KB

Download
memory/1220-6-0x0000000002370000-0x0000000002371000-memory.dmp

Filesize
4KB

Download
memory/1220-14-0x0000000003510000-0x0000000003511000-memory.dmp

Filesize
4KB

Download
memory/1220-17-0x00000000034E0000-0x00000000034E1000-memory.dmp

Filesize
4KB

Download
memory/1220-15-0x0000000002280000-0x0000000002281000-memory.dmp

Filesize
4KB

Download
memory/1220-16-0x0000000002290000-0x0000000002291000-memory.dmp

Filesize
4KB

Download
memory/1220-1-0x0000000002380000-0x00000000023D4000-memory.dmp

Filesize
336KB

Download
memory/1220-29-0x0000000002380000-0x00000000023D4000-memory.dmp

Filesize
336KB

Download
memory/1220-28-0x0000000000400000-0x0000000000513000-memory.dmp

Filesize
1.1MB

Download
memory/4184-30-0x0000000000400000-0x0000000000513000-memory.dmp

Filesize
1.1MB

Download
memory/4188-25-0x0000000000400000-0x0000000000513000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing