formbook | 98605f399585016ae41edcfbc496fa98225ad51928b26b9dff6261fbc09d7d7f

General

Target

ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe
Size

1008KB
MD5

ae816597f9990952c8b6f523b64f24c9
SHA1

f6a8209eebb95669f4c1223d4abe02888bf54173
SHA256

98605f399585016ae41edcfbc496fa98225ad51928b26b9dff6261fbc09d7d7f
SHA512

0847a636793b165dc30e3269ecda30371d26700ab213f34432912662f32431d1be1a6c811184a68aa6b3455ba392285524e7366695b3db642cc7f897da03c0bc
SSDEEP

12288:jcZsEIkKatBE0nv8Po4GxxlZsEIkKatBE0nv8Po4Gxx1ko:AZZIkbBTEQ4UZZIkbBTEQ4Po

Score

10^/10

formbook k8b rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

k8b

Decoy

happycampersevents.com

sdjlhbsbgc.com

stephenkapere.com

iammelissamay.com

westhillsterracepdx.com

exceptionalhospitals.com

newnongye.com

sfheli.com

ytalmorales.com

etkensigorta.com

trophemus-treasure-hunters.com

ppcreselleraccount.com

prelovedfashiontreasures.com

santrixpharma.com

ahwxshop.com

7sat.asia

pitadippers.com

citestaccnt1598634983.com

testcaresort.com

supportcorder.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook payload 1 IoCs
rat

Processes:

resource yara_rule

behavioral1/memory/2528-13-0x0000000000400000-0x000000000042E000-memory.dmp formbook
Suspicious use of SetThreadContext 1 IoCs

Processes:

ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe

description pid process target process

PID 1672 set thread context of 2528 1672 ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2524 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exeae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe

pid process

1672 ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe
1672 ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe
2528 ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 1672 ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe

resource	yara_rule
behavioral1/memory/2528-13-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

description	pid	process	target process
PID 1672 set thread context of 2528	1672	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe

pid	process
2524	schtasks.exe

pid	process
1672	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe
1672	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe
2528	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	1672	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe

description	pid	process	target process
PID 1672 wrote to memory of 2524	1672	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe	schtasks.exe
PID 1672 wrote to memory of 2524	1672	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe	schtasks.exe
PID 1672 wrote to memory of 2524	1672	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe	schtasks.exe
PID 1672 wrote to memory of 2524	1672	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe	schtasks.exe
PID 1672 wrote to memory of 2528	1672	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe
PID 1672 wrote to memory of 2528	1672	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe
PID 1672 wrote to memory of 2528	1672	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe
PID 1672 wrote to memory of 2528	1672	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe
PID 1672 wrote to memory of 2528	1672	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe
PID 1672 wrote to memory of 2528	1672	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe
PID 1672 wrote to memory of 2528	1672	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe	ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1672

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pRVJhcAjvJZLI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF1E.tmp"
2⤵
- Creates scheduled task(s)
PID:2524

C:\Users\Admin\AppData\Local\Temp\ae816597f9990952c8b6f523b64f24c9_JaffaCakes118.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:2528

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF1E.tmp
Filesize
1KB

MD5
a766853eab7c400c9a7ae7d95518199f

SHA1
9cf822a57320b80388743718fca51e26b4b30a45

SHA256
374a223dd2726965614d4a8fc70629f91a9a2a8304631fe6c96835b152dbe94d

SHA512
c4a0ef1e291b89499bd1994f8ef94272d82463a9132b5949130483a742753045e759ff25d193397e4841a125b6b1824fc983b05c98ce2c1651503b0f2bfb1b0a

Download Submit
memory/1672-0-0x00000000743F1000-0x00000000743F2000-memory.dmp

Filesize
4KB

Download
memory/1672-1-0x00000000743F0000-0x000000007499B000-memory.dmp

Filesize
5.7MB

Download
memory/1672-2-0x00000000743F0000-0x000000007499B000-memory.dmp

Filesize
5.7MB

Download
memory/1672-3-0x00000000743F0000-0x000000007499B000-memory.dmp

Filesize
5.7MB

Download
memory/1672-14-0x00000000743F0000-0x000000007499B000-memory.dmp

Filesize
5.7MB

Download
memory/2528-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2528-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2528-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2528-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2528-15-0x0000000000AF0000-0x0000000000DF3000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads