formbook | 6401173b049bfd58a827e272138d0cf08185519dfa744e2b2e9990b4cade3a49

Analysis

max time kernel
146s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
24-08-2024 11:05

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

be75358ef16a88307d3722de7f8d080b_JaffaCakes118.exe
Size

759KB
MD5

be75358ef16a88307d3722de7f8d080b
SHA1

0a812866da45cf66666af011efee7965290a537a
SHA256

6401173b049bfd58a827e272138d0cf08185519dfa744e2b2e9990b4cade3a49
SHA512

be050652c2c6ad722292c686898b48dd5c8dfe35d977cb74586dce59e89a24e3ab9b9aa5b9fc3cb9ed91f0ab8bc3b34d53e298c2d0e1a20db32f539e2d12297c
SSDEEP

12288:1gh+13sf8irOhRxuXEMzhy8H2kT//B4vvNuBvw0C9/D42fWGS:TMN9Wk14aY0C97S

Score

10^/10

formbook a8c discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

a8c

Decoy

kesslergroupinternational.net

elcarretazo.com

livbim.info

thamxop.net

abitur.expert

cidavidjoy.com

digitalkarwaan.com

hcave.com

foundbyjack.com

servicarpasjc.com

giaotrinh24h.com

ladasno.com

harrisxn.com

bestbtccasinos.info

australianflying.com

louboutinshoes.site

taohaomi.net

s5league-europe.com

lizhongysw.com

imizuspotsboxboxinggym.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/23616-10053-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/23616-10056-0x0000000000400000-0x000000000042A000-memory.dmp	formbook

Executes dropped EXE 1 IoCs

pid	Process
2732	coyote.exe

Loads dropped DLL 3 IoCs

pid	Process
1724	be75358ef16a88307d3722de7f8d080b_JaffaCakes118.exe
1724	be75358ef16a88307d3722de7f8d080b_JaffaCakes118.exe
2732	coyote.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 23616 set thread context of 1228	23616	cmd.exe	21
PID 23800 set thread context of 1228	23800	control.exe	21

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\win.ini	coyote.exe

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 5 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	be75358ef16a88307d3722de7f8d080b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	coyote.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	control.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
2732	coyote.exe
23616	cmd.exe
23616	cmd.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe
23800	control.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2732	coyote.exe
23616	cmd.exe
23616	cmd.exe
23616	cmd.exe
23800	control.exe
23800	control.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	23616	cmd.exe
Token: SeDebugPrivilege	23800	control.exe

Suspicious use of WriteProcessMemory 52 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2732	1724	be75358ef16a88307d3722de7f8d080b_JaffaCakes118.exe	31
PID 1724 wrote to memory of 2732	1724	be75358ef16a88307d3722de7f8d080b_JaffaCakes118.exe	31
PID 1724 wrote to memory of 2732	1724	be75358ef16a88307d3722de7f8d080b_JaffaCakes118.exe	31
PID 1724 wrote to memory of 2732	1724	be75358ef16a88307d3722de7f8d080b_JaffaCakes118.exe	31
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 2732 wrote to memory of 23616	2732	coyote.exe	32
PID 1228 wrote to memory of 23800	1228	Explorer.EXE	33
PID 1228 wrote to memory of 23800	1228	Explorer.EXE	33
PID 1228 wrote to memory of 23800	1228	Explorer.EXE	33
PID 1228 wrote to memory of 23800	1228	Explorer.EXE	33
PID 23800 wrote to memory of 23832	23800	control.exe	34
PID 23800 wrote to memory of 23832	23800	control.exe	34
PID 23800 wrote to memory of 23832	23800	control.exe	34
PID 23800 wrote to memory of 23832	23800	control.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Users\Admin\AppData\Local\Temp\be75358ef16a88307d3722de7f8d080b_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\be75358ef16a88307d3722de7f8d080b_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1724
- - C:\Users\Admin\AppData\Local\Temp\coyote.exe
    C:\Users\Admin\AppData\Local\Temp\coyote.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2732
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:23616
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:23800
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\cmd.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:23832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Harmony

Filesize
211KB

MD5
de800a2fde3f9c0eddb472eef987f549

SHA1
a87e7d10c405bb3d28040f8d24e8dd4fce88abc2

SHA256
2f99797338dd783675a0780a8b82379e50940166bbe47c21dfb914cc507939c6

SHA512
97d59b161db40d9d3072eb528390f4d439a7dfc768e146b591c1b041835554e2adf5567297c91c6316898e547b6af2cd8ec02c2473ee33815b4133081253211d

Download Submit
C:\Users\Admin\AppData\Local\Temp\SterletFiretrap.DLL

Filesize
55KB

MD5
3ec65b93c42c369a4e75a292a6cd0a74

SHA1
dbfbf8bea2409544d73a3247555431f864741219

SHA256
0218dacfa55a2f8ca15ac49c00b8aa931861918d499266817e3cb09eedadfa06

SHA512
681ebf0a9150788e1e8eba4657c3263c95963983db7e5aaed76117cec8582ce5cbf9e22225202a298c9bcf4552f245e5c399036c6713abc773e3316cb2b05b30

Download Submit
C:\Users\Admin\AppData\Local\Temp\coyote.exe

Filesize
50KB

MD5
07b54aa737d16f89c80e6da5a2de5013

SHA1
bcad8a5a09597086ce2df3ed4d833ca6a188f12e

SHA256
e4ee0e4c5533fad0ece32849b37dec5c22ad662ce3dd1376880200eb6011de5f

SHA512
e92ed0a39dd645c60319739b86a06e7643cfb14f28eb6d1bb3ec97febf0405eb5ad4d3e6aaf3374bfebdeb1bbfa1371764790810aa904f1cd9f63b17c62fbe61

Download Submit
C:\Windows\win.ini

Filesize
517B

MD5
893cae59ab5945a94a7da007d47a1255

SHA1
d4cfd81c6647ca64022bd307c08a7fb4bbbd4c06

SHA256
edfa0f2d3bea9f737e0315971c6f81d3d8e7d460b60a19351ada0316a093c938

SHA512
d66e454781f54f45df814ad32d687b0f100578c2a4ffca62de81add04281fb881a550702bd2d058933d3736d14e88624af268a86ce24b0c3935242b206ffdcc9

Download Submit
memory/1228-10058-0x0000000004E20000-0x0000000004ED2000-memory.dmp

Filesize
712KB

Download
memory/1228-10062-0x0000000004E20000-0x0000000004ED2000-memory.dmp

Filesize
712KB

Download
memory/2732-41-0x0000000000030000-0x0000000000034000-memory.dmp

Filesize
16KB

Download
memory/2732-43-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2732-44-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2732-10049-0x0000000000250000-0x0000000000272000-memory.dmp

Filesize
136KB

Download
memory/23616-10050-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/23616-10057-0x0000000000430000-0x0000000000444000-memory.dmp

Filesize
80KB

Download
memory/23616-10056-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/23616-10054-0x00000000032A0000-0x00000000035A3000-memory.dmp

Filesize
3.0MB

Download
memory/23616-10053-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/23800-10060-0x00000000006C0000-0x00000000006DF000-memory.dmp

Filesize
124KB

Download
memory/23800-10059-0x00000000006C0000-0x00000000006DF000-memory.dmp

Filesize
124KB

Download