formbook | f22a0b5b12687ae12b9f4d625d82a16562bce5e1b03b7d7372df3813e5afc8e5

General

Target

f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe
Size

571KB
MD5

f7ad3b59548788a59172b6477a1b83f0
SHA1

3b042b49ac135f38824de3665a051a7631e98782
SHA256

f22a0b5b12687ae12b9f4d625d82a16562bce5e1b03b7d7372df3813e5afc8e5
SHA512

039ea0297abbf3200d145790f0fccc0e4ae8ddb6e2eb75021781c4c131494398602d4f80f65d4878c419e0c35a0368acc17d626affec868ac04c69687d2db341
SSDEEP

12288:ECGb2I5hQeMda6UYZoqNh+8LzxdYlBxg/pngR7:tGbVxMWqVNtvxdYPxgg

Score

10^/10

formbook dfc discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dfc

Decoy

photographytune.com

oleandrinbotanical.com

hibcapital.com

katgermosen.com

careerwomensgol.com

oliverezechi.net

hrbhrt.com

codeopulence.com

merrilllynchph.com

globallionsco.com

cutass.com

sarahalhashemi.com

izzyandi.com

snacklabbet.com

manufaktura-uyuta.online

powayvotes.net

helpspine.com

arlto.info

sofakingwet.com

cretanhandcarving.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/2656-5-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2656-9-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2988 set thread context of 2656	2988	f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe	31
PID 2656 set thread context of 1232	2656	RegAsm.exe	21
PID 2348 set thread context of 1232	2348	cmmon32.exe	21

System Location Discovery: System Language Discovery 1 TTPs 4 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	f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2656	RegAsm.exe
2656	RegAsm.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe
2348	cmmon32.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2988	f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe
2988	f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe
2656	RegAsm.exe
2656	RegAsm.exe
2656	RegAsm.exe
2348	cmmon32.exe
2348	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2656	RegAsm.exe
Token: SeDebugPrivilege	2348	cmmon32.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 2728	2988	f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe	30
PID 2988 wrote to memory of 2728	2988	f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe	30
PID 2988 wrote to memory of 2728	2988	f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe	30
PID 2988 wrote to memory of 2728	2988	f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe	30
PID 2988 wrote to memory of 2728	2988	f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe	30
PID 2988 wrote to memory of 2728	2988	f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe	30
PID 2988 wrote to memory of 2728	2988	f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe	30
PID 2988 wrote to memory of 2656	2988	f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe	31
PID 2988 wrote to memory of 2656	2988	f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe	31
PID 2988 wrote to memory of 2656	2988	f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe	31
PID 2988 wrote to memory of 2656	2988	f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe	31
PID 2988 wrote to memory of 2656	2988	f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe	31
PID 2988 wrote to memory of 2656	2988	f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe	31
PID 2988 wrote to memory of 2656	2988	f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe	31
PID 2988 wrote to memory of 2656	2988	f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe	31
PID 1232 wrote to memory of 2348	1232	Explorer.EXE	32
PID 1232 wrote to memory of 2348	1232	Explorer.EXE	32
PID 1232 wrote to memory of 2348	1232	Explorer.EXE	32
PID 1232 wrote to memory of 2348	1232	Explorer.EXE	32
PID 2348 wrote to memory of 1724	2348	cmmon32.exe	33
PID 2348 wrote to memory of 1724	2348	cmmon32.exe	33
PID 2348 wrote to memory of 1724	2348	cmmon32.exe	33
PID 2348 wrote to memory of 1724	2348	cmmon32.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f7ad3b59548788a59172b6477a1b83f0_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2988
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    PID:2728
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2656
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:2348
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/1232-12-0x00000000062B0000-0x00000000063B7000-memory.dmp

Filesize
1.0MB

Download
memory/1232-11-0x0000000003C90000-0x0000000003E90000-memory.dmp

Filesize
2.0MB

Download
memory/2348-14-0x00000000002D0000-0x00000000002DD000-memory.dmp

Filesize
52KB

Download
memory/2348-13-0x00000000002D0000-0x00000000002DD000-memory.dmp

Filesize
52KB

Download
memory/2656-10-0x0000000000250000-0x0000000000264000-memory.dmp

Filesize
80KB

Download
memory/2656-5-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2656-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2656-7-0x00000000022D0000-0x00000000025D3000-memory.dmp

Filesize
3.0MB

Download
memory/2988-3-0x0000000004750000-0x000000000478A000-memory.dmp

Filesize
232KB

Download
memory/2988-6-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2988-4-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2988-0-0x000000007420E000-0x000000007420F000-memory.dmp

Filesize
4KB

Download
memory/2988-2-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2988-1-0x0000000000E10000-0x0000000000EA6000-memory.dmp

Filesize
600KB

Download

Analysis

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