latentbot | aa6a2cc7a6f3f29982f84c5974215cfc3cfc5543747075c72f7da6b6e95ac305

Analysis

max time kernel
148s
max time network
18s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
11-07-2024 23:52

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General

Target

3b370b953ef2d9b779386784e1b15382_JaffaCakes118.exe
Size

140KB
MD5

3b370b953ef2d9b779386784e1b15382
SHA1

99ef5b16e3cc557184dd8a5bec13ab81e27f75ee
SHA256

aa6a2cc7a6f3f29982f84c5974215cfc3cfc5543747075c72f7da6b6e95ac305
SHA512

d2b31f12a6933535a62db49769b3f9946f7ce42189afd61e4de992d0b38187fac54f9eb41831d0ecd2675b36e8de0a16a3dfbfab70fac7a16eea952f62d7f157
SSDEEP

3072:t2wtiuMIbfeYRauL2NOy2Vzhv2Q43aNZ+dQJ98xgtojsdTcItLb:btiDmauLy6h1Ys9/oK3

Score

10^/10

latentbot evasion persistence trojan

Malware Config

Extracted

Family

latentbot

winserverupdate.zapto.org

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\Update\\3b370b953ef2d9b779386784e1b15382_JaffaCakes118.exe,"	3b370b953ef2d9b779386784e1b15382_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000\Software\Microsoft\Windows\CurrentVersion\Run\3b370b953ef2d9b779386784e1b15382_JaffaCakes118 = "C:\\Users\\Admin\\AppData\\Roaming\\Update\\3b370b953ef2d9b779386784e1b15382_JaffaCakes118.exe"	3b370b953ef2d9b779386784e1b15382_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3b370b953ef2d9b779386784e1b15382_JaffaCakes118 = "C:\\Users\\Admin\\AppData\\Roaming\\Update\\3b370b953ef2d9b779386784e1b15382_JaffaCakes118.exe"	3b370b953ef2d9b779386784e1b15382_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	3b370b953ef2d9b779386784e1b15382_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1692	3b370b953ef2d9b779386784e1b15382_JaffaCakes118.exe
1692	3b370b953ef2d9b779386784e1b15382_JaffaCakes118.exe
1692	3b370b953ef2d9b779386784e1b15382_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1692	3b370b953ef2d9b779386784e1b15382_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\3b370b953ef2d9b779386784e1b15382_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3b370b953ef2d9b779386784e1b15382_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1692-0-0x000007FEF643E000-0x000007FEF643F000-memory.dmp

Filesize
4KB

Download
memory/1692-1-0x0000000000490000-0x00000000004A0000-memory.dmp

Filesize
64KB

Download
memory/1692-2-0x000007FEF6180000-0x000007FEF6B1D000-memory.dmp

Filesize
9.6MB

Download
memory/1692-3-0x000007FEF6180000-0x000007FEF6B1D000-memory.dmp

Filesize
9.6MB

Download
memory/1692-4-0x000007FEF6180000-0x000007FEF6B1D000-memory.dmp

Filesize
9.6MB

Download
memory/1692-6-0x000007FEF6180000-0x000007FEF6B1D000-memory.dmp

Filesize
9.6MB

Download