formbook | c1191a2395a4bcd7c12c63ed628be5c3df1ab0d0b51d46932716fb0c917c0dde

General

Target

c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe
Size

955KB
MD5

c1b83daeb8757d575a940c65bccb0d1b
SHA1

857e57fbce938345d8baea856ce232179627e995
SHA256

c1191a2395a4bcd7c12c63ed628be5c3df1ab0d0b51d46932716fb0c917c0dde
SHA512

8a8f80c1de2c2fed85091160b1c6c3912b43ed5627d05abb7a8a713a41bf1edfac06e8bd6023925a82b56eafa5340ed4880705588c5e6b405bf70e6cd7b8c3e9
SSDEEP

12288:/6FSCKAIMqmB0a08IEvs81TMe1vJrW5/n8T8S/5uEJ52:a1fI00z8IR81Tdx+8oE3J

Score

10^/10

formbook mdi discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mdi

Decoy

uproarcatalyst.com

cruisessafaris.com

simplethreads.net

ncsetup.com

dthengjia.com

heyfig.com

inventqa.com

mentoriareset.com

a70a.com

ncolesrose.com

culasarsa.com

southdocknj.com

pistrinalove.com

championvanleasing.com

mazda40.com

lujoscenter.com

wgsol.com

iheart2d.com

olympiccarpetcare.com

aiored.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2732-16-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 332 set thread context of 2732	332	c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe	33

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 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	c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2868	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
332	c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe
2732	c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	332	c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 332 wrote to memory of 2868	332	c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe	31
PID 332 wrote to memory of 2868	332	c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe	31
PID 332 wrote to memory of 2868	332	c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe	31
PID 332 wrote to memory of 2868	332	c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe	31
PID 332 wrote to memory of 2732	332	c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe	33
PID 332 wrote to memory of 2732	332	c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe	33
PID 332 wrote to memory of 2732	332	c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe	33
PID 332 wrote to memory of 2732	332	c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe	33
PID 332 wrote to memory of 2732	332	c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe	33
PID 332 wrote to memory of 2732	332	c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe	33
PID 332 wrote to memory of 2732	332	c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:332
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\taoLqqCfkCGUj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDD64.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2868
- C:\Users\Admin\AppData\Local\Temp\c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c1b83daeb8757d575a940c65bccb0d1b_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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\tmpDD64.tmp

Filesize
1KB

MD5
1415b939b6f997ec4c23151aa5043f91

SHA1
a4be381c678a9f451b33cbdbd45f6ee9b6b2fedd

SHA256
2b28a055611bdfe33cabc1c87fd8c487ebbcd389bf919bafadf33473093d3784

SHA512
05970d465690e752e2a0b27fff1c80d1af95b5f3f8af43ba928ab3fca4196e0419ae96d6b3216a3913d2e562b24b1cf4e04ea25298f1afaebff6dc1befc90d2f

Download Submit
memory/332-6-0x0000000004EB0000-0x0000000004F12000-memory.dmp

Filesize
392KB

Download
memory/332-2-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/332-3-0x0000000000370000-0x000000000037A000-memory.dmp

Filesize
40KB

Download
memory/332-4-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/332-5-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/332-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/332-1-0x0000000000CE0000-0x0000000000DD6000-memory.dmp

Filesize
984KB

Download
memory/332-18-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2732-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2732-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2732-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2732-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2732-17-0x0000000000910000-0x0000000000C13000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads