formbook | 579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9

General

Target

9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe
Size

1.6MB
MD5

9f9ff2c8998e81058d583369b7a496de
SHA1

8fc0b5f4d6100e438fc734eb2082ba237efe0652
SHA256

579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9
SHA512

98235d57d8395d89e9da377a48129aaf97640ea4fdddae65c4b5e1ae330d4b6911272ac953284fa8e752e28e3e0075b0dc153393c587c9a04ac24ac5481697bc
SSDEEP

12288:8WHyGfJqDJLZCpzeCptoDFjmjRPTjRPyjBjjijBjBjBjBjLjVA7nNi6HCZoU9+kw:rqqNeK2DgA7nNxCZLYHkgiPgp

Score

10^/10

formbook 2kf discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

2kf

Decoy

edmondscakes.com

doublewldr.online

tickets2usa.com

heyhxry.com

weightloss-gulfport.com

prosselius.com

newviewroofers.com

jacksonarearealestate.com

catparkas.xyz

pagos2020.com

sonwsefjrahi.online

franchisethings.com

nuocvietngaynay.com

sohelvai.com

mikeyroush.com

lamesaroofing.com

betbigo138.com

amazon-service-recovery.com

clockin.net

riostrader.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
behavioral2/memory/3032-21-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1996 set thread context of 3032	1996	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	104

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	9f9ff2c8998e81058d583369b7a496de_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
5112	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1996	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe
3032	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe
3032	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1996	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 5112	1996	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	102
PID 1996 wrote to memory of 5112	1996	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	102
PID 1996 wrote to memory of 5112	1996	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	102
PID 1996 wrote to memory of 3032	1996	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	104
PID 1996 wrote to memory of 3032	1996	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	104
PID 1996 wrote to memory of 3032	1996	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	104
PID 1996 wrote to memory of 3032	1996	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	104
PID 1996 wrote to memory of 3032	1996	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	104
PID 1996 wrote to memory of 3032	1996	9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe	104

C:\Users\Admin\AppData\Local\Temp\9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\puJzcbEe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1860.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:5112
- C:\Users\Admin\AppData\Local\Temp\9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\9f9ff2c8998e81058d583369b7a496de_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3032

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

Query Registry

1

T1012

System Information Discovery

2

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\tmp1860.tmp

Filesize
1KB

MD5
0297ab3857035771cb5091134c866568

SHA1
0e4774fbf8556ace0cc01e3beaff8cf1f47e84e8

SHA256
37df74f2f0fc7e0fff230914ae281a4d359aa719d50cbb8088232c5321c03e59

SHA512
8bd6fef254d30ec6708b3783270ca7623755c6bb3eeece09883ac0dab8030db64fdd2abc036ba364067e610caf94af80fd0e06db5085b6ecdd0c0d87d65f0197

Download Submit
memory/1996-8-0x0000000008020000-0x0000000008374000-memory.dmp

Filesize
3.3MB

Download
memory/1996-7-0x0000000007E70000-0x0000000007EC6000-memory.dmp

Filesize
344KB

Download
memory/1996-3-0x0000000008380000-0x0000000008924000-memory.dmp

Filesize
5.6MB

Download
memory/1996-4-0x0000000007DD0000-0x0000000007E62000-memory.dmp

Filesize
584KB

Download
memory/1996-12-0x0000000008E20000-0x0000000008E2A000-memory.dmp

Filesize
40KB

Download
memory/1996-6-0x0000000005320000-0x000000000532A000-memory.dmp

Filesize
40KB

Download
memory/1996-2-0x0000000007D30000-0x0000000007DCC000-memory.dmp

Filesize
624KB

Download
memory/1996-0-0x000000007485E000-0x000000007485F000-memory.dmp

Filesize
4KB

Download
memory/1996-5-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/1996-13-0x000000007485E000-0x000000007485F000-memory.dmp

Filesize
4KB

Download
memory/1996-14-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/1996-15-0x000000000B050000-0x000000000B0AC000-memory.dmp

Filesize
368KB

Download
memory/1996-1-0x0000000000D00000-0x0000000000EA8000-memory.dmp

Filesize
1.7MB

Download
memory/1996-23-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/3032-21-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3032-24-0x0000000001380000-0x00000000016CA000-memory.dmp

Filesize
3.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads