latentbot | 28bc76580c4dccb7ec8fbfe82e6a0f094627556217650dcfcf80a7291a0fceaa

General

Target

9fbdc223fd2933fac5a9bb801f59c6b1_JaffaCakes118.exe
Size

108KB
MD5

9fbdc223fd2933fac5a9bb801f59c6b1
SHA1

fca37e0fa1a54f97d6c02609a49acc291b454cc6
SHA256

28bc76580c4dccb7ec8fbfe82e6a0f094627556217650dcfcf80a7291a0fceaa
SHA512

dd356c7047fdc1862c8cdae109c4ea234021f9be2520c41075571400e74e38a3775a4afbda7b14f08e608129ecca77325e6ee59b20e67271ed04c9441ca10013
SSDEEP

3072:pUX+caOwfR3qvW3ouQ/JLfIrjpvQ7qSMf8MfZG:pUX+cy3qvJuoLgKiEM

Score

10^/10

latentbot discovery persistence trojan

Malware Config

Extracted

Family

latentbot

C2

insomniaftw.zapto.org

Signatures

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

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

9fbdc223fd2933fac5a9bb801f59c6b1_JaffaCakes118.exeNUKrmnlqb.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	9fbdc223fd2933fac5a9bb801f59c6b1_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	NUKrmnlqb.exe

Executes dropped EXE 2 IoCs

Processes:

NUKrmnlqb.exeqwrtaw5.exe

pid	Process
3668	NUKrmnlqb.exe
552	qwrtaw5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

qwrtaw5.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Defender = "C:\\ProgramData\\qwrtaw5.exe"	qwrtaw5.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 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

Processes:

9fbdc223fd2933fac5a9bb801f59c6b1_JaffaCakes118.exeNUKrmnlqb.exeqwrtaw5.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9fbdc223fd2933fac5a9bb801f59c6b1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NUKrmnlqb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qwrtaw5.exe

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

qwrtaw5.exeNUKrmnlqb.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	qwrtaw5.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	NUKrmnlqb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	NUKrmnlqb.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	qwrtaw5.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

NUKrmnlqb.exeqwrtaw5.exe

description	pid	Process
Token: SeDebugPrivilege	3668	NUKrmnlqb.exe
Token: SeDebugPrivilege	552	qwrtaw5.exe
Token: SeDebugPrivilege	552	qwrtaw5.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9fbdc223fd2933fac5a9bb801f59c6b1_JaffaCakes118.exeNUKrmnlqb.exe

description	pid	Process	procid_target
PID 3296 wrote to memory of 3668	3296	9fbdc223fd2933fac5a9bb801f59c6b1_JaffaCakes118.exe	86
PID 3296 wrote to memory of 3668	3296	9fbdc223fd2933fac5a9bb801f59c6b1_JaffaCakes118.exe	86
PID 3296 wrote to memory of 3668	3296	9fbdc223fd2933fac5a9bb801f59c6b1_JaffaCakes118.exe	86
PID 3668 wrote to memory of 552	3668	NUKrmnlqb.exe	90
PID 3668 wrote to memory of 552	3668	NUKrmnlqb.exe	90
PID 3668 wrote to memory of 552	3668	NUKrmnlqb.exe	90

C:\Users\Admin\AppData\Local\Temp\9fbdc223fd2933fac5a9bb801f59c6b1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9fbdc223fd2933fac5a9bb801f59c6b1_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3296
- C:\Users\Admin\AppData\Local\Temp\NUKrmnlqb.exe
  "C:\Users\Admin\AppData\Local\Temp\NUKrmnlqb.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3668
- - C:\ProgramData\qwrtaw5.exe
    "C:\ProgramData\qwrtaw5.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:552

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

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\NUKrmnlqb.exe

Filesize
92KB

MD5
60c9bb7c8e43d4c826aa2966929c011e

SHA1
99c2727b79626e03b477c4170fb754dcfe3570ee

SHA256
5874407a974b12892e668665f0f9c2ceb6fd8ddcf64df6b0649ccde59207c48d

SHA512
eafa7b6a837b54d04cc6f0ecf2326be17dd2a464c3832f1fd0f891178c1f67d1fa36bacf496cee60e64308108420c8c358d01f32b7474b6381122bdbf484366f

Download Submit
C:\Users\Admin\AppData\Local\Temp\winhost.exe

Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
memory/552-35-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/552-36-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/552-37-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/552-38-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/3296-2-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/3296-15-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/3296-1-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/3296-0-0x00000000746E2000-0x00000000746E3000-memory.dmp

Filesize
4KB

Download
memory/3668-17-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/3668-18-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/3668-19-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/3668-32-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads