latentbot | 51ab52acf44fe469672a8bc675ca71d5121661e7c40018a5cd71abcdf36652d6

General

Target

baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe
Size

125KB
MD5

baee0f9bf421c883c45232169f34b452
SHA1

f87cf64ebadf9cea8b6ddb7c3fbb151a0b610902
SHA256

51ab52acf44fe469672a8bc675ca71d5121661e7c40018a5cd71abcdf36652d6
SHA512

319f00fdbda61c0525c646195ea177ccfb4442eb3bf7e60a9b9518cbf68770fa206756639aabc97e864e49b32d6e56915f631177ebc41878bf5ed78748bfd5b4
SSDEEP

3072:Y3JgVs2LveVDnjcaO5I0q35gXg8aXO72fkMzpFoZjV:6JgVz2nO5qpeaXSYGV

Score

10^/10

latentbot modiloader discovery evasion persistence trojan upx

Malware Config

Extracted

Family

latentbot

C2

ozaneryilmaz.zapto.org

Signatures

LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot
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

Processes:

mstwain32.exe

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

ModiLoader Second Stage 7 IoCs

Processes:

resource	yara_rule
behavioral2/memory/864-4-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/864-5-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/864-16-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/4852-24-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/4852-25-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/4852-23-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/4852-38-0x0000000000400000-0x0000000000450000-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

Processes:

baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

mstwain32.exemstwain32.exe

pid	Process
4716	mstwain32.exe
4852	mstwain32.exe

Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid	Process
4852	mstwain32.exe
4852	mstwain32.exe
4852	mstwain32.exe
4852	mstwain32.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/864-0-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/864-3-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/864-4-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/864-5-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/864-16-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4852-24-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4852-25-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4852-23-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4852-22-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4852-38-0x0000000000400000-0x0000000000450000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

mstwain32.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe"	mstwain32.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

baee0f9bf421c883c45232169f34b452_JaffaCakes118.exemstwain32.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	baee0f9bf421c883c45232169f34b452_JaffaCakes118.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

Suspicious use of SetThreadContext 2 IoCs

Processes:

baee0f9bf421c883c45232169f34b452_JaffaCakes118.exemstwain32.exe

description	pid	Process	procid_target
PID 4496 set thread context of 864	4496	baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe	85
PID 4716 set thread context of 4852	4716	mstwain32.exe	94

Drops file in Windows directory 4 IoCs

Processes:

mstwain32.exebaee0f9bf421c883c45232169f34b452_JaffaCakes118.exe

description	ioc	Process
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	baee0f9bf421c883c45232169f34b452_JaffaCakes118.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 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

Processes:

baee0f9bf421c883c45232169f34b452_JaffaCakes118.exebaee0f9bf421c883c45232169f34b452_JaffaCakes118.exemstwain32.exemstwain32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

baee0f9bf421c883c45232169f34b452_JaffaCakes118.exevssvc.exemstwain32.exe

description	pid	Process
Token: SeDebugPrivilege	864	baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe
Token: SeBackupPrivilege	1892	vssvc.exe
Token: SeRestorePrivilege	1892	vssvc.exe
Token: SeAuditPrivilege	1892	vssvc.exe
Token: SeDebugPrivilege	4852	mstwain32.exe
Token: SeDebugPrivilege	4852	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid	Process
4852	mstwain32.exe
4852	mstwain32.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

baee0f9bf421c883c45232169f34b452_JaffaCakes118.exebaee0f9bf421c883c45232169f34b452_JaffaCakes118.exemstwain32.exe

description	pid	Process	procid_target
PID 4496 wrote to memory of 864	4496	baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe	85
PID 4496 wrote to memory of 864	4496	baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe	85
PID 4496 wrote to memory of 864	4496	baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe	85
PID 4496 wrote to memory of 864	4496	baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe	85
PID 4496 wrote to memory of 864	4496	baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe	85
PID 864 wrote to memory of 4716	864	baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe	92
PID 864 wrote to memory of 4716	864	baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe	92
PID 864 wrote to memory of 4716	864	baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe	92
PID 4716 wrote to memory of 4852	4716	mstwain32.exe	94
PID 4716 wrote to memory of 4852	4716	mstwain32.exe	94
PID 4716 wrote to memory of 4852	4716	mstwain32.exe	94
PID 4716 wrote to memory of 4852	4716	mstwain32.exe	94
PID 4716 wrote to memory of 4852	4716	mstwain32.exe	94

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

mstwain32.exe

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

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4496
- C:\Users\Admin\AppData\Local\Temp\baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe
  2⤵
  - Checks computer location settings
  - 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:864
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\baee0f9bf421c883c45232169f34b452_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4716
  - - C:\Windows\mstwain32.exe
      C:\Windows\mstwain32.exe
      4⤵
      UAC bypass
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      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:4852

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1892

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

Loading Replay Monitor...

Downloads

C:\Windows\cmsetac.dll

Filesize
32KB

MD5
c200deb575126b97609d020897aaa5ac

SHA1
9d086f32f5e6a134c5a9dffe35d29c2a3261a42f

SHA256
a4a0c6545cd3990fcfb973ff5b76517520edf142d9f09fbcb118c92574ed2762

SHA512
c8040e3997967d4c25401b53b9fb97545709829876031cdd985c46cf0cccb467a546c8563441b2fbe2e03de0c9829732a345eb629e2eb2eecb87026794e4b7d7

Download Submit
C:\Windows\mstwain32.exe

Filesize
125KB

MD5
baee0f9bf421c883c45232169f34b452

SHA1
f87cf64ebadf9cea8b6ddb7c3fbb151a0b610902

SHA256
51ab52acf44fe469672a8bc675ca71d5121661e7c40018a5cd71abcdf36652d6

SHA512
319f00fdbda61c0525c646195ea177ccfb4442eb3bf7e60a9b9518cbf68770fa206756639aabc97e864e49b32d6e56915f631177ebc41878bf5ed78748bfd5b4

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/864-6-0x0000000000A10000-0x0000000000A11000-memory.dmp

Filesize
4KB

Download
memory/864-3-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/864-0-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/864-4-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/864-16-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/864-5-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4496-2-0x0000000011490000-0x00000000114B7000-memory.dmp

Filesize
156KB

Download
memory/4716-20-0x0000000011490000-0x00000000114B7000-memory.dmp

Filesize
156KB

Download
memory/4852-23-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4852-25-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4852-22-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4852-32-0x0000000000710000-0x0000000000711000-memory.dmp

Filesize
4KB

Download
memory/4852-24-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4852-36-0x00000000030D0000-0x00000000030DE000-memory.dmp

Filesize
56KB

Download
memory/4852-38-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4852-39-0x0000000000760000-0x0000000000768000-memory.dmp

Filesize
32KB

Download
memory/4852-40-0x00000000030D0000-0x00000000030DE000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads