latentbot | aec33556317ddebff5b8dbe3a2fbdfb44bd7865b693dc76c3564da791657d63a

General

Target

JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe
Size

18KB
MD5

b4334f4a1b5e6e32edd4aece62f6dd60
SHA1

e7129988e6ceab9de42f02175483bf8b41bcdbd0
SHA256

aec33556317ddebff5b8dbe3a2fbdfb44bd7865b693dc76c3564da791657d63a
SHA512

3abd16ab574315584e45d2e3dbf14fd2d37423c95027d21526f12e70a7c91ea0a0c084b43ef51e047a2bb1958fe58512b3d7d9b90cb0d5e6ca4a8090717efdd1
SSDEEP

384:cKbEq87nRvT/EXCL1SLcr1m+DFi3ZkjvQCkF63HeFvSgn46I/hxtXO+m1X:UqAnRQXwRWKh+FvjFohu+Q

Score

10^/10

latentbot discovery evasion persistence trojan upx

Malware Config

Extracted

Family

latentbot

C2

mrwiiwifi1irc.zapto.org

Signatures

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

Modifies firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\Microsoft Windows Firewall = "C:\\Program Files (x86)\\winlogon.exe"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\ctfmon.exe = "C:\\Windows\\ctfmon.exe"	winlogon.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	winlogon.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe

Executes dropped EXE 1 IoCs

pid	Process
2944	winlogon.exe

Loads dropped DLL 2 IoCs

pid	Process
2208	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe
2208	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Firewall = "C:\\Program Files (x86)\\winlogon.exe"	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Firewall = "C:\\Program Files (x86)\\winlogon.exe"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmon.exe = "C:\\Windows\\ctfmon.exe"	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\ctfmon.exe = "C:\\Windows\\ctfmon.exe"	winlogon.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2208-0-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/files/0x000b00000001225c-4.dat	upx
behavioral1/memory/2208-12-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2944-17-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2944-18-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2944-19-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2944-20-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2944-21-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2944-22-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2944-23-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2944-24-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2944-25-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2944-26-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2944-27-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2944-28-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2944-29-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2944-30-0x0000000000400000-0x0000000000413000-memory.dmp	upx

Drops file in Program Files directory 9 IoCs

description	ioc	Process
File created	C:\Program Files\Grokster\My Grokster\	winlogon.exe
File created	C:\Program Files\Morpheus\My Shared Folder\	winlogon.exe
File created	C:\Program Files\BearShare\Shared\	winlogon.exe
File created	C:\Program Files\ICQ\Shared Files\	winlogon.exe
File created	C:\Program Files (x86)\winlogon.exe	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe
File opened for modification	C:\Program Files (x86)\winlogon.exe	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe
File created	C:\Program Files\LimeWire\Shared	winlogon.exe
File created	C:\Program Files\eDonkey2000\incoming	winlogon.exe
File created	C:\Program Files\KAZAA	winlogon.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\ctfmon.exe	winlogon.exe
File opened for modification	C:\Windows\ctfmon.exe	winlogon.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2208	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe
2208	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe
2944	winlogon.exe
2944	winlogon.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2944	2208	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe	30
PID 2208 wrote to memory of 2944	2208	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe	30
PID 2208 wrote to memory of 2944	2208	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe	30
PID 2208 wrote to memory of 2944	2208	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe"
1⤵
- Drops file in Drivers directory
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Program Files (x86)\winlogon.exe
  "C:\Program Files (x86)\winlogon.exe"
  2⤵
  - Modifies firewall policy service
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  PID:2944

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

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Program Files (x86)\winlogon.exe

Filesize
18KB

MD5
b4334f4a1b5e6e32edd4aece62f6dd60

SHA1
e7129988e6ceab9de42f02175483bf8b41bcdbd0

SHA256
aec33556317ddebff5b8dbe3a2fbdfb44bd7865b693dc76c3564da791657d63a

SHA512
3abd16ab574315584e45d2e3dbf14fd2d37423c95027d21526f12e70a7c91ea0a0c084b43ef51e047a2bb1958fe58512b3d7d9b90cb0d5e6ca4a8090717efdd1

Download Submit
memory/2208-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2208-10-0x0000000000280000-0x0000000000293000-memory.dmp

Filesize
76KB

Download
memory/2208-12-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2944-21-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2944-24-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2944-19-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2944-20-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2944-17-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2944-22-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2944-23-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2944-18-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2944-25-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2944-26-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2944-27-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2944-28-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2944-29-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2944-30-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads