formbook | a45cec5c48aae2040669ece459ae34de87251080934add3da91e9ab72ea2abe7

General

Target

c57658ef781e0f31e6539263bb87c7fc_JaffaCakes118.exe
Size

555KB
MD5

c57658ef781e0f31e6539263bb87c7fc
SHA1

4a8902bdbfe4d490aac56b9962caec5598e5604c
SHA256

a45cec5c48aae2040669ece459ae34de87251080934add3da91e9ab72ea2abe7
SHA512

637f1ef12dc4e3d86f8d5dec18c1cbe88c08db1a150de090e9f1135643136e0abd73f75b0b1c14c6cd144280b736cb25cbe28be13747ccc01e5420fed4a56922
SSDEEP

12288:B3tTTCkyO2KnJVr7tjoH5QPpCuzYGWrrUN8ywGIgyfOZadEVFMWM:B9b1r785e1zW8N8ywLfK7F

Score

10^/10

formbook bft discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bft

Decoy

edenicities.com

buntingfordhomeservices.com

nuanceproducoes.com

divasinspire.com

capiturn.com

zbjsn.com

thegioicaytrongnha.com

featherventure.com

onbrandtrading.com

sanguoban.com

doorman.pro

ourhomie.net

iwassickonholiday.com

mrcskin.com

reallycoolmask.com

tkrbeautyinstitut.com

keytomiami.com

sesliduybeni.com

asherwebber.com

starkweatherwindows.net

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/2668-15-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2968 set thread context of 2668	2968	c57658ef781e0f31e6539263bb87c7fc_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	c57658ef781e0f31e6539263bb87c7fc_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
2704	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2668	c57658ef781e0f31e6539263bb87c7fc_JaffaCakes118.exe
2968	c57658ef781e0f31e6539263bb87c7fc_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2968	c57658ef781e0f31e6539263bb87c7fc_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 2704	2968	c57658ef781e0f31e6539263bb87c7fc_JaffaCakes118.exe	31
PID 2968 wrote to memory of 2704	2968	c57658ef781e0f31e6539263bb87c7fc_JaffaCakes118.exe	31
PID 2968 wrote to memory of 2704	2968	c57658ef781e0f31e6539263bb87c7fc_JaffaCakes118.exe	31
PID 2968 wrote to memory of 2704	2968	c57658ef781e0f31e6539263bb87c7fc_JaffaCakes118.exe	31
PID 2968 wrote to memory of 2668	2968	c57658ef781e0f31e6539263bb87c7fc_JaffaCakes118.exe	33
PID 2968 wrote to memory of 2668	2968	c57658ef781e0f31e6539263bb87c7fc_JaffaCakes118.exe	33
PID 2968 wrote to memory of 2668	2968	c57658ef781e0f31e6539263bb87c7fc_JaffaCakes118.exe	33
PID 2968 wrote to memory of 2668	2968	c57658ef781e0f31e6539263bb87c7fc_JaffaCakes118.exe	33
PID 2968 wrote to memory of 2668	2968	c57658ef781e0f31e6539263bb87c7fc_JaffaCakes118.exe	33
PID 2968 wrote to memory of 2668	2968	c57658ef781e0f31e6539263bb87c7fc_JaffaCakes118.exe	33
PID 2968 wrote to memory of 2668	2968	c57658ef781e0f31e6539263bb87c7fc_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\c57658ef781e0f31e6539263bb87c7fc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c57658ef781e0f31e6539263bb87c7fc_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:2968
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bKeWepQJXUfB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC35F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2704
- C:\Users\Admin\AppData\Local\Temp\c57658ef781e0f31e6539263bb87c7fc_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c57658ef781e0f31e6539263bb87c7fc_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2668

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\tmpC35F.tmp

Filesize
1KB

MD5
8d0f9ab7ccc959a33e871723b8198664

SHA1
72e7a5eccc8b7b166228a80cfa8e72d9d022aee9

SHA256
466ddd370471319e5fedd11889a8ebe07d6cc1ae9877d07db72d4a262522b5d2

SHA512
4e75f16cbc00b7c17a06d3638abdc3b838269349ed684e4d489c75a034cb6df5f0b3496c88733cbc74612e3c1e1f6746dcc449afbfd0b93d4f3a1d6eae4455f9

Download Submit
memory/2668-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2668-10-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2668-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2668-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2668-16-0x0000000000BE0000-0x0000000000EE3000-memory.dmp

Filesize
3.0MB

Download
memory/2668-18-0x0000000000BE0000-0x0000000000EE3000-memory.dmp

Filesize
3.0MB

Download
memory/2968-2-0x0000000074690000-0x0000000074C3B000-memory.dmp

Filesize
5.7MB

Download
memory/2968-3-0x0000000074690000-0x0000000074C3B000-memory.dmp

Filesize
5.7MB

Download
memory/2968-4-0x0000000074690000-0x0000000074C3B000-memory.dmp

Filesize
5.7MB

Download
memory/2968-1-0x0000000074690000-0x0000000074C3B000-memory.dmp

Filesize
5.7MB

Download
memory/2968-0-0x0000000074691000-0x0000000074692000-memory.dmp

Filesize
4KB

Download
memory/2968-17-0x0000000074690000-0x0000000074C3B000-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