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 5 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\ctfmon.exe = "C:\\Windows\\ctfmon.exe"	winlogon.exe
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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	winlogon.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	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
4916	winlogon.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\ctfmon.exe = "C:\\Windows\\ctfmon.exe"	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ctfmon.exe = "C:\\Windows\\ctfmon.exe"	winlogon.exe
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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Firewall = "C:\\Program Files (x86)\\winlogon.exe"	winlogon.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4384-0-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/files/0x0008000000023c9c-6.dat	upx
behavioral2/memory/4384-7-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4916-11-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4916-12-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4916-13-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4916-14-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4916-15-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4916-16-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4916-17-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4916-18-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4916-19-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4916-20-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4916-21-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4916-22-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4916-23-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4916-24-0x0000000000400000-0x0000000000413000-memory.dmp	upx

Drops file in Program Files directory 9 IoCs

description	ioc	Process
File created	C:\Program Files\LimeWire\Shared	winlogon.exe
File created	C:\Program Files\KAZAA	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\Grokster\My Grokster\	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\eDonkey2000\incoming	winlogon.exe
File created	C:\Program Files\ICQ\Shared Files\	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 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	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4384	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe
4384	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe
4384	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe
4384	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe
4916	winlogon.exe
4916	winlogon.exe
4916	winlogon.exe
4916	winlogon.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4384 wrote to memory of 4916	4384	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe	83
PID 4384 wrote to memory of 4916	4384	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe	83
PID 4384 wrote to memory of 4916	4384	JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4334f4a1b5e6e32edd4aece62f6dd60.exe"
1⤵
- Drops file in Drivers directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4384
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4916

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

C:\Program Files (x86)\winlogon.exe

Filesize
18KB

MD5
b4334f4a1b5e6e32edd4aece62f6dd60

SHA1
e7129988e6ceab9de42f02175483bf8b41bcdbd0

SHA256
aec33556317ddebff5b8dbe3a2fbdfb44bd7865b693dc76c3564da791657d63a

SHA512
3abd16ab574315584e45d2e3dbf14fd2d37423c95027d21526f12e70a7c91ea0a0c084b43ef51e047a2bb1958fe58512b3d7d9b90cb0d5e6ca4a8090717efdd1

Download Submit
memory/4384-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4384-7-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4916-16-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4916-18-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4916-13-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4916-14-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4916-15-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4916-11-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4916-17-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4916-12-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4916-19-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4916-20-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4916-21-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4916-22-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4916-23-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4916-24-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads