formbook | 6401173b049bfd58a827e272138d0cf08185519dfa744e2b2e9990b4cade3a49

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-08-2024 11:05

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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 3 IoCs

rat

resource	yara_rule
behavioral2/memory/6084-10049-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/6084-10053-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/6084-10054-0x0000000000400000-0x000000000042A000-memory.dmp	formbook

Executes dropped EXE 1 IoCs

pid	Process
4892	coyote.exe

Loads dropped DLL 1 IoCs

pid	Process
4892	coyote.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 6084 set thread context of 3556	6084	cmd.exe	56
PID 6084 set thread context of 3556	6084	cmd.exe	56
PID 7112 set thread context of 3556	7112	msdt.exe	56

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

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
4892	coyote.exe
4892	coyote.exe
6084	cmd.exe
6084	cmd.exe
6084	cmd.exe
6084	cmd.exe
6084	cmd.exe
6084	cmd.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe
7112	msdt.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4892	coyote.exe
6084	cmd.exe
6084	cmd.exe
6084	cmd.exe
6084	cmd.exe
7112	msdt.exe
7112	msdt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	6084	cmd.exe
Token: SeDebugPrivilege	7112	msdt.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3556	Explorer.EXE

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3476 wrote to memory of 4892	3476	be75358ef16a88307d3722de7f8d080b_JaffaCakes118.exe	84
PID 3476 wrote to memory of 4892	3476	be75358ef16a88307d3722de7f8d080b_JaffaCakes118.exe	84
PID 3476 wrote to memory of 4892	3476	be75358ef16a88307d3722de7f8d080b_JaffaCakes118.exe	84
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85
PID 4892 wrote to memory of 6084	4892	coyote.exe	85

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
PID:3556
- C:\Users\Admin\AppData\Local\Temp\be75358ef16a88307d3722de7f8d080b_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\be75358ef16a88307d3722de7f8d080b_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3476
- - 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:4892
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:6084
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:7112
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\cmd.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:428

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

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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
131B

MD5
9848e4efb0abd437d65e6d3d1d973adb

SHA1
f427ac7c50b19f66658ae7f92cbaf21110b49a47

SHA256
c8b84add37da849977a84fe62badb6cb908be99769edb70d60bcd04c0aec2a3f

SHA512
f90f1f65b6b824a526469b8d739f733a54a7f485d8b5f680de7a35fac90786bf6ba5a0b1d62e139663c5ee73b8d687cf32d4ccf188e18c53084ec12d8c216b17

Download Submit
memory/3556-10052-0x0000000007DD0000-0x0000000007EF4000-memory.dmp

Filesize
1.1MB

Download
memory/3556-10058-0x00000000082D0000-0x000000000843E000-memory.dmp

Filesize
1.4MB

Download
memory/3556-10056-0x0000000007DD0000-0x0000000007EF4000-memory.dmp

Filesize
1.1MB

Download
memory/4892-37-0x0000000000BD0000-0x0000000000BD4000-memory.dmp

Filesize
16KB

Download
memory/4892-40-0x0000000000C10000-0x0000000000C16000-memory.dmp

Filesize
24KB

Download
memory/4892-39-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

Filesize
4KB

Download
memory/4892-10045-0x0000000002790000-0x00000000027B2000-memory.dmp

Filesize
136KB

Download
memory/6084-10046-0x0000000001020000-0x0000000001026000-memory.dmp

Filesize
24KB

Download
memory/6084-10053-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/6084-10054-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/6084-10050-0x00000000037F0000-0x0000000003B3A000-memory.dmp

Filesize
3.3MB

Download
memory/6084-10049-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/7112-10055-0x00000000006B0000-0x0000000000707000-memory.dmp

Filesize
348KB

Download