formbook | 4b8ad4a9d84c014358222a91b7a8d3b7f6b3a5853750d84e1d1e677a5bc9e9ff

General

Target

c8fda80e652d365bc5ceb4e065c51ee3_JaffaCakes118.exe
Size

958KB
MD5

c8fda80e652d365bc5ceb4e065c51ee3
SHA1

c3e984e1e8a7421c17e3ecd3a4e3a4ba183ae562
SHA256

4b8ad4a9d84c014358222a91b7a8d3b7f6b3a5853750d84e1d1e677a5bc9e9ff
SHA512

edf9e0ca4d76dfe023a309e68ad06d25e960f6173b07d132908914a165f6f32b12280c0d400f86637594f3d28317170cfce134d0154346a4a6376a27acb9c50a
SSDEEP

12288:d/UQS1E+wSE1vfy2dJzOP9vExIH0h1zCShca7Av7Q292QOdGHRp69:dewSWfySzOPux0keSG62Dxz69

Score

10^/10

formbook ca discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

ca

Decoy

jphmo.com

planbmx.com

jcygtpu.com

mindpathvideo.net

napavalleymysore.com

bitkanji.com

thecologne.zone

getreadyherenow6.info

cybersecfirst.com

celtflowers.com

zfk3.net

thecheapest.review

1b4tenhell.men

padaria2irmaos.com

azimitrdg.com

oldschoolnate.com

customhighperformance.com

classicrockandgems.com

marvinreynoso.com

stuffnsit.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2716-4-0x00000000006E0000-0x000000000070A000-memory.dmp	formbook
behavioral1/memory/1300-11-0x0000000000400000-0x000000000042A000-memory.dmp	formbook

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2716 set thread context of 1300	2716	c8fda80e652d365bc5ceb4e065c51ee3_JaffaCakes118.exe	30
PID 1300 set thread context of 1204	1300	vbc.exe	21
PID 2600 set thread context of 1204	2600	systray.exe	21

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c8fda80e652d365bc5ceb4e065c51ee3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2716	c8fda80e652d365bc5ceb4e065c51ee3_JaffaCakes118.exe
2716	c8fda80e652d365bc5ceb4e065c51ee3_JaffaCakes118.exe
1300	vbc.exe
1300	vbc.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe
2600	systray.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1300	vbc.exe
1300	vbc.exe
1300	vbc.exe
2600	systray.exe
2600	systray.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2716	c8fda80e652d365bc5ceb4e065c51ee3_JaffaCakes118.exe
Token: SeDebugPrivilege	1300	vbc.exe
Token: SeDebugPrivilege	2600	systray.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 1300	2716	c8fda80e652d365bc5ceb4e065c51ee3_JaffaCakes118.exe	30
PID 2716 wrote to memory of 1300	2716	c8fda80e652d365bc5ceb4e065c51ee3_JaffaCakes118.exe	30
PID 2716 wrote to memory of 1300	2716	c8fda80e652d365bc5ceb4e065c51ee3_JaffaCakes118.exe	30
PID 2716 wrote to memory of 1300	2716	c8fda80e652d365bc5ceb4e065c51ee3_JaffaCakes118.exe	30
PID 2716 wrote to memory of 1300	2716	c8fda80e652d365bc5ceb4e065c51ee3_JaffaCakes118.exe	30
PID 2716 wrote to memory of 1300	2716	c8fda80e652d365bc5ceb4e065c51ee3_JaffaCakes118.exe	30
PID 2716 wrote to memory of 1300	2716	c8fda80e652d365bc5ceb4e065c51ee3_JaffaCakes118.exe	30
PID 1204 wrote to memory of 2600	1204	Explorer.EXE	31
PID 1204 wrote to memory of 2600	1204	Explorer.EXE	31
PID 1204 wrote to memory of 2600	1204	Explorer.EXE	31
PID 1204 wrote to memory of 2600	1204	Explorer.EXE	31
PID 2600 wrote to memory of 3008	2600	systray.exe	32
PID 2600 wrote to memory of 3008	2600	systray.exe	32
PID 2600 wrote to memory of 3008	2600	systray.exe	32
PID 2600 wrote to memory of 3008	2600	systray.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\AppData\Local\Temp\c8fda80e652d365bc5ceb4e065c51ee3_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c8fda80e652d365bc5ceb4e065c51ee3_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1300
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1204-12-0x0000000004CE0000-0x0000000004D9D000-memory.dmp

Filesize
756KB

Download
memory/1204-17-0x0000000004CE0000-0x0000000004D9D000-memory.dmp

Filesize
756KB

Download
memory/1300-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1300-5-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1300-6-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1300-11-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1300-13-0x0000000000430000-0x0000000000497000-memory.dmp

Filesize
412KB

Download
memory/2600-16-0x0000000000BD0000-0x0000000000BD5000-memory.dmp

Filesize
20KB

Download
memory/2600-14-0x0000000000BD0000-0x0000000000BD5000-memory.dmp

Filesize
20KB

Download
memory/2716-3-0x00000000003B0000-0x00000000003BC000-memory.dmp

Filesize
48KB

Download
memory/2716-4-0x00000000006E0000-0x000000000070A000-memory.dmp

Filesize
168KB

Download
memory/2716-0-0x000000007441E000-0x000000007441F000-memory.dmp

Filesize
4KB

Download
memory/2716-2-0x0000000000570000-0x00000000005AA000-memory.dmp

Filesize
232KB

Download
memory/2716-1-0x0000000000270000-0x000000000032A000-memory.dmp

Filesize
744KB

Download

Analysis

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