modiloader | 8bcb1707d05db21b67a7281b1a6a972ba3efc51e9b34259962a30215363b6cc3

General

Target

f94444f5677cd30b531e2d9eed40991c_JaffaCakes118.exe
Size

401KB
MD5

f94444f5677cd30b531e2d9eed40991c
SHA1

e6ba439064ea61986b02da6f81c292365655a8ed
SHA256

8bcb1707d05db21b67a7281b1a6a972ba3efc51e9b34259962a30215363b6cc3
SHA512

3538bdebae89e4491d6e182bf3a606401b0528f0fa3bf699f71ef5cf1e0436f907552e19c4b80f2325d5a387aa259936906c5b1d2b412161f34da031fba619bc
SSDEEP

6144:f0fl8CZlpC8wTTT7zYIpDG3tLLQQFk8vCi98E71K0n5DFDh2E+ccEoWTruCY5MVI:M99ZlQ2QYk8TKE7U0tRhciuzTD

Score

10^/10

modiloader discovery trojan upx

Malware Config

Signatures

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

ModiLoader Second Stage 3 IoCs

resource	yara_rule
behavioral2/files/0x00080000000234d0-5.dat	modiloader_stage2
behavioral2/memory/4540-9-0x0000000000400000-0x000000000046B000-memory.dmp	modiloader_stage2
behavioral2/memory/2192-14-0x0000000010000000-0x000000001000C000-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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	f94444f5677cd30b531e2d9eed40991c_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2192	Systemloader.exe
3340	Systemloader.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2192 set thread context of 3340	2192	Systemloader.exe	83

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3340-11-0x0000000000400000-0x000000000041D000-memory.dmp	upx
behavioral2/memory/3340-15-0x0000000000400000-0x000000000041D000-memory.dmp	upx
behavioral2/memory/3340-16-0x0000000000400000-0x000000000041D000-memory.dmp	upx
behavioral2/memory/3340-18-0x0000000000400000-0x000000000041D000-memory.dmp	upx
behavioral2/memory/3340-19-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2568	3340	WerFault.exe	83

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	f94444f5677cd30b531e2d9eed40991c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Systemloader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Systemloader.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3340	Systemloader.exe
3340	Systemloader.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 2192	4540	f94444f5677cd30b531e2d9eed40991c_JaffaCakes118.exe	82
PID 4540 wrote to memory of 2192	4540	f94444f5677cd30b531e2d9eed40991c_JaffaCakes118.exe	82
PID 4540 wrote to memory of 2192	4540	f94444f5677cd30b531e2d9eed40991c_JaffaCakes118.exe	82
PID 2192 wrote to memory of 3340	2192	Systemloader.exe	83
PID 2192 wrote to memory of 3340	2192	Systemloader.exe	83
PID 2192 wrote to memory of 3340	2192	Systemloader.exe	83
PID 2192 wrote to memory of 3340	2192	Systemloader.exe	83
PID 2192 wrote to memory of 3340	2192	Systemloader.exe	83

C:\Users\Admin\AppData\Local\Temp\f94444f5677cd30b531e2d9eed40991c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f94444f5677cd30b531e2d9eed40991c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4540
- C:\Systemloader.exe
  "C:\Systemloader.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2192
- - C:\Systemloader.exe
    C:\Systemloader.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:3340
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3340 -s 564
      4⤵
      Program crash
      PID:2568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3340 -ip 3340
1⤵
PID:4780

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

Loading Replay Monitor...

Downloads

C:\Support.Scr

Filesize
358KB

MD5
5173f903c3faaa3cf8e3e0910afad614

SHA1
2d53cf8c86cd920602123966dfc40c7567cca3d6

SHA256
31042a194872d66a7ce75a37de044c8931c005358c775011e75bae04623a93bc

SHA512
fef769ff6ec19d2aa0c7e49fc5ef482d91a65c600a28df86a2dd96845af346b0439cc72d315b2a07da04eaa6874e683d52257672b66c20dd451e7cc8e63f7283

Download Submit
C:\Systemloader.exe

Filesize
22KB

MD5
1b58ac36575d9c69123aaba7aef86e8a

SHA1
21146726066641d70a3f800d339b428f8042f714

SHA256
b632e67b6e4b6c417c3e39e1c15ca2762158a01e81a3e5e1157ec6acd379779f

SHA512
503ab01530714abf076f786e397e14b0c08e31fe3e3bcb6a0e38c2c767e65cb5c5755f131c426ce290a7bfe73876a3c36225da258db2ca4a5dc583d4aca0af6e

Download Submit
memory/2192-14-0x0000000010000000-0x000000001000C000-memory.dmp

Filesize
48KB

Download
memory/3340-11-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3340-15-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3340-16-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3340-18-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3340-19-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4540-9-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

Sharing