formbook | 8b53c85d1e84765875c93d5486a523b1913e72fc5a74ce18b162e63fe257f93f

Analysis

max time kernel
147s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30/09/2024, 03:39

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General

Target

ffe26ed83f513b68a3cdf68a9d971858_JaffaCakes118.exe
Size

567KB
MD5

ffe26ed83f513b68a3cdf68a9d971858
SHA1

c61aa6141026ed3fc190dbb3e46eac1c966d4133
SHA256

8b53c85d1e84765875c93d5486a523b1913e72fc5a74ce18b162e63fe257f93f
SHA512

bc4acead832821c30dad2a108670c188a3302ca9e460701078951a4226278d9191320cf59f11197520aded2e77b30a68fa7a8395f58b9f2aff90e3a3d633b6a6
SSDEEP

12288:tiTzYG1w0wODUfOmKRBE5GyGghs9jPCCKxxO:tiTz/tUfHKzZy7cjPCC

Score

10^/10

formbook mtc discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mtc

Decoy

skraggle.com

engtengmyanmar.com

bluegrasscruises.com

komod-fashion.com

ontheedgeofbrave.com

ahfhhubuh12475.com

nevergiveuphealth.net

satriwarni.com

thongdiennuoc.com

her-sobriety.com

ancientayurveda.asia

bigkahunatri.com

citcitizensone.com

mainesustainability.com

vcglamco.com

excessiverpm.com

waistproexclusive.com

mecksitall.com

hotelmapura.com

pogbet.net

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
behavioral2/memory/4920-205-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/4920-209-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Executes dropped EXE 1 IoCs

pid	Process
4920	AddInProcess32.exe

Loads dropped DLL 1 IoCs

pid	Process
2756	ffe26ed83f513b68a3cdf68a9d971858_JaffaCakes118.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2756 set thread context of 4920	2756	ffe26ed83f513b68a3cdf68a9d971858_JaffaCakes118.exe	93
PID 4920 set thread context of 3348	4920	AddInProcess32.exe	55
PID 3428 set thread context of 3348	3428	msdt.exe	55

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	ffe26ed83f513b68a3cdf68a9d971858_JaffaCakes118.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 45 IoCs

pid	Process
2756	ffe26ed83f513b68a3cdf68a9d971858_JaffaCakes118.exe
4920	AddInProcess32.exe
4920	AddInProcess32.exe
4920	AddInProcess32.exe
4920	AddInProcess32.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe
3428	msdt.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4920	AddInProcess32.exe
4920	AddInProcess32.exe
4920	AddInProcess32.exe
3428	msdt.exe
3428	msdt.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	ffe26ed83f513b68a3cdf68a9d971858_JaffaCakes118.exe
Token: SeDebugPrivilege	4920	AddInProcess32.exe
Token: SeDebugPrivilege	3428	msdt.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 4920	2756	ffe26ed83f513b68a3cdf68a9d971858_JaffaCakes118.exe	93
PID 2756 wrote to memory of 4920	2756	ffe26ed83f513b68a3cdf68a9d971858_JaffaCakes118.exe	93
PID 2756 wrote to memory of 4920	2756	ffe26ed83f513b68a3cdf68a9d971858_JaffaCakes118.exe	93
PID 2756 wrote to memory of 4920	2756	ffe26ed83f513b68a3cdf68a9d971858_JaffaCakes118.exe	93
PID 2756 wrote to memory of 4920	2756	ffe26ed83f513b68a3cdf68a9d971858_JaffaCakes118.exe	93
PID 2756 wrote to memory of 4920	2756	ffe26ed83f513b68a3cdf68a9d971858_JaffaCakes118.exe	93
PID 3348 wrote to memory of 3428	3348	Explorer.EXE	94
PID 3348 wrote to memory of 3428	3348	Explorer.EXE	94
PID 3348 wrote to memory of 3428	3348	Explorer.EXE	94
PID 3428 wrote to memory of 3312	3428	msdt.exe	95
PID 3428 wrote to memory of 3312	3428	msdt.exe	95
PID 3428 wrote to memory of 3312	3428	msdt.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3348
- C:\Users\Admin\AppData\Local\Temp\ffe26ed83f513b68a3cdf68a9d971858_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ffe26ed83f513b68a3cdf68a9d971858_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
    "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4920
- 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
  - Suspicious use of WriteProcessMemory
  PID:3428
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\AddInProcess32.exe

Filesize
42KB

MD5
9827ff3cdf4b83f9c86354606736ca9c

SHA1
e73d73f42bb2a310f03eb1bcbb22be2b8eb7c723

SHA256
c1cf3dc8fa1c7fc00f88e07ad539979b3706ca8d69223cffd1d58bc8f521f63a

SHA512
8261828d55f3b5134c0aeb98311c04e20c5395d4347251746f3be0fb854f36cc7e118713cd00c9867537e6e47d5e71f2b2384fc00c67f0ae1b285b8310321579

Download Submit
C:\Users\Admin\AppData\Local\Temp\b1f92ac9-345d-4ee6-83d6-512dab76f3b9\i.dll

Filesize
94KB

MD5
14ff402962ad21b78ae0b4c43cd1f194

SHA1
f8a510eb26666e875a5bdd1cadad40602763ad72

SHA256
fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

SHA512
daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

Download Submit
memory/2756-37-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-72-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-2-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/2756-3-0x0000000004BA0000-0x0000000004BCC000-memory.dmp

Filesize
176KB

Download
memory/2756-4-0x0000000005360000-0x0000000005904000-memory.dmp

Filesize
5.6MB

Download
memory/2756-5-0x0000000004CC0000-0x0000000004D04000-memory.dmp

Filesize
272KB

Download
memory/2756-6-0x0000000004E50000-0x0000000004EE2000-memory.dmp

Filesize
584KB

Download
memory/2756-32-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-76-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-74-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-70-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-68-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-66-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-64-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-62-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-60-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-58-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-56-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-54-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-52-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-50-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-46-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-44-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-43-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-40-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-39-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-1-0x0000000000250000-0x00000000002E4000-memory.dmp

Filesize
592KB

Download
memory/2756-34-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/2756-31-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-28-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-26-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-25-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-23-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-20-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-18-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-17-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-15-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-14-0x0000000073660000-0x00000000736E9000-memory.dmp

Filesize
548KB

Download
memory/2756-48-0x0000000004BA0000-0x0000000004BC6000-memory.dmp

Filesize
152KB

Download
memory/2756-195-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/2756-196-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/2756-197-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/2756-199-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/2756-200-0x0000000005350000-0x000000000535C000-memory.dmp

Filesize
48KB

Download
memory/2756-206-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/3348-211-0x00000000082A0000-0x0000000008426000-memory.dmp

Filesize
1.5MB

Download
memory/3348-216-0x00000000082A0000-0x0000000008426000-memory.dmp

Filesize
1.5MB

Download
memory/3348-220-0x0000000002BE0000-0x0000000002CDA000-memory.dmp

Filesize
1000KB

Download
memory/3348-223-0x0000000002BE0000-0x0000000002CDA000-memory.dmp

Filesize
1000KB

Download
memory/3428-214-0x0000000000F60000-0x0000000000FB7000-memory.dmp

Filesize
348KB

Download
memory/4920-205-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4920-207-0x00000000011C0000-0x000000000150A000-memory.dmp

Filesize
3.3MB

Download
memory/4920-209-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4920-210-0x0000000001190000-0x00000000011A4000-memory.dmp

Filesize
80KB

Download