formbook | 3566accfc4308a1d6b1a76c175664f4cbd7e0e542f323a252faf325b77bc8edf

Analysis

max time kernel
149s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
28/07/2024, 21:13

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General

Target

243979694b054a96137dac617876bcdb_JaffaCakes118.exe
Size

510KB
MD5

243979694b054a96137dac617876bcdb
SHA1

f9c429224a786fb11bb4e12a50823a1e7f035745
SHA256

3566accfc4308a1d6b1a76c175664f4cbd7e0e542f323a252faf325b77bc8edf
SHA512

29e03b97294dd4e30c68851c732a097b2cde0c1098aad5760a8ad2c80fabd6151feead15c2f48a12a3eee3266861a814bd3837af7e39144d7e376aa7ffdb3921
SSDEEP

12288:458WhWmNEYOyFeMG9b/KxiCWom2pBm5ic6g6MmMrcIdsGC9:45dxNDE9bKxzWo0cWC9

Score

10^/10

formbook dmn credential_access discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dmn

Decoy

makemecookies.com

highlandseniorcare.com

artnowmedia.com

realmusicschool.com

daporn.pro

xn--meditaoevida-7bb9c.com

uniqueskinproducts.com

xmoncatto.com

shaloutuan.com

mixednotshaken.com

pulseslondonuk.com

bestkeptsecretportland.com

xpj888n.com

natureswayentertainment.net

alkhemilia.com

digitalguidebooks.com

greenglenhoa.com

yoursavvymoneyteen.com

andreaknightteacherauthor.com

deadcyber.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/4048-204-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/4048-208-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\F08HZ = "C:\\Program Files (x86)\\Bpzxlgz4x\\tvylifba0.exe"	netsh.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
4048	AddInProcess32.exe

Loads dropped DLL 1 IoCs

pid	Process
2872	243979694b054a96137dac617876bcdb_JaffaCakes118.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2872 set thread context of 4048	2872	243979694b054a96137dac617876bcdb_JaffaCakes118.exe	85
PID 4048 set thread context of 3488	4048	AddInProcess32.exe	55
PID 3700 set thread context of 3488	3700	netsh.exe	55

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Bpzxlgz4x\tvylifba0.exe	netsh.exe

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	243979694b054a96137dac617876bcdb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	netsh.exe

Suspicious behavior: EnumeratesProcesses 41 IoCs

pid	Process
2872	243979694b054a96137dac617876bcdb_JaffaCakes118.exe
4048	AddInProcess32.exe
4048	AddInProcess32.exe
4048	AddInProcess32.exe
4048	AddInProcess32.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4048	AddInProcess32.exe
4048	AddInProcess32.exe
4048	AddInProcess32.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe
3700	netsh.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2872	243979694b054a96137dac617876bcdb_JaffaCakes118.exe
Token: SeDebugPrivilege	4048	AddInProcess32.exe
Token: SeDebugPrivilege	3700	netsh.exe
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 4048	2872	243979694b054a96137dac617876bcdb_JaffaCakes118.exe	85
PID 2872 wrote to memory of 4048	2872	243979694b054a96137dac617876bcdb_JaffaCakes118.exe	85
PID 2872 wrote to memory of 4048	2872	243979694b054a96137dac617876bcdb_JaffaCakes118.exe	85
PID 2872 wrote to memory of 4048	2872	243979694b054a96137dac617876bcdb_JaffaCakes118.exe	85
PID 2872 wrote to memory of 4048	2872	243979694b054a96137dac617876bcdb_JaffaCakes118.exe	85
PID 2872 wrote to memory of 4048	2872	243979694b054a96137dac617876bcdb_JaffaCakes118.exe	85
PID 3488 wrote to memory of 3700	3488	Explorer.EXE	86
PID 3488 wrote to memory of 3700	3488	Explorer.EXE	86
PID 3488 wrote to memory of 3700	3488	Explorer.EXE	86
PID 3700 wrote to memory of 636	3700	netsh.exe	87
PID 3700 wrote to memory of 636	3700	netsh.exe	87
PID 3700 wrote to memory of 636	3700	netsh.exe	87
PID 3700 wrote to memory of 3612	3700	netsh.exe	89
PID 3700 wrote to memory of 3612	3700	netsh.exe	89
PID 3700 wrote to memory of 3612	3700	netsh.exe	89
PID 3700 wrote to memory of 4604	3700	netsh.exe	91
PID 3700 wrote to memory of 4604	3700	netsh.exe	91
PID 3700 wrote to memory of 4604	3700	netsh.exe	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3488
- C:\Users\Admin\AppData\Local\Temp\243979694b054a96137dac617876bcdb_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\243979694b054a96137dac617876bcdb_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:2872
- - 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:4048
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.exe"
  2⤵
  - Adds policy Run key to start application
  - Suspicious use of SetThreadContext
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3700
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:636
- - C:\Windows\SysWOW64\cmd.exe
    /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3612
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:4604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\4acacee3-cefe-4dab-b6f1-01f9a63ec79a\e.dll

Filesize
94KB

MD5
14ff402962ad21b78ae0b4c43cd1f194

SHA1
f8a510eb26666e875a5bdd1cadad40602763ad72

SHA256
fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

SHA512
daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

Download Submit
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\DB1

Filesize
40KB

MD5
a182561a527f929489bf4b8f74f65cd7

SHA1
8cd6866594759711ea1836e86a5b7ca64ee8911f

SHA256
42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914

SHA512
9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558

Download Submit
C:\Users\Admin\AppData\Roaming\4KO83O42\4KOlogim.jpeg

Filesize
83KB

MD5
7bdcf0242367969776c16f939a937d5b

SHA1
012ad23871d6a2daefe4cfa59082a7f8159d784c

SHA256
c0039c5614baaf1ade570c13af3830d4a3804c14c2241adfd5a9d307263f538a

SHA512
8c473299b4ddb80ed052f0bc91c99ab4e5fa2a6cf319e5a7d88747461f9c7e0d65d3ff21ee429532c90024ce4ab17e43d67dd401a68fd6bd35b26952d118dbae

Download Submit
C:\Users\Admin\AppData\Roaming\4KO83O42\4KOlogrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\4KO83O42\4KOlogrg.ini

Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\4KO83O42\4KOlogri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\4KO83O42\4KOlogrv.ini

Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/2872-22-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-14-0x00000000731C0000-0x0000000073249000-memory.dmp

Filesize
548KB

Download
memory/2872-72-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-70-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-68-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-64-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-62-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-61-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-58-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-56-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-54-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-53-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-51-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-48-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-46-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-44-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-42-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-40-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-38-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-36-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-35-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-24-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-0-0x000000007473E000-0x000000007473F000-memory.dmp

Filesize
4KB

Download
memory/2872-20-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-18-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-16-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-15-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-74-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-32-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-30-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-28-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-26-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-76-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-195-0x000000007473E000-0x000000007473F000-memory.dmp

Filesize
4KB

Download
memory/2872-196-0x0000000074730000-0x0000000074EE0000-memory.dmp

Filesize
7.7MB

Download
memory/2872-197-0x0000000074730000-0x0000000074EE0000-memory.dmp

Filesize
7.7MB

Download
memory/2872-199-0x0000000006A60000-0x0000000006A6C000-memory.dmp

Filesize
48KB

Download
memory/2872-66-0x0000000002690000-0x00000000026B5000-memory.dmp

Filesize
148KB

Download
memory/2872-1-0x0000000000340000-0x00000000003C6000-memory.dmp

Filesize
536KB

Download
memory/2872-205-0x0000000074730000-0x0000000074EE0000-memory.dmp

Filesize
7.7MB

Download
memory/2872-2-0x0000000074730000-0x0000000074EE0000-memory.dmp

Filesize
7.7MB

Download
memory/2872-3-0x0000000002690000-0x00000000026BC000-memory.dmp

Filesize
176KB

Download
memory/2872-4-0x00000000053E0000-0x0000000005984000-memory.dmp

Filesize
5.6MB

Download
memory/2872-5-0x0000000004D60000-0x0000000004DA4000-memory.dmp

Filesize
272KB

Download
memory/2872-6-0x0000000004ED0000-0x0000000004F62000-memory.dmp

Filesize
584KB

Download
memory/3488-217-0x0000000002B10000-0x0000000002BE6000-memory.dmp

Filesize
856KB

Download
memory/3488-220-0x0000000008080000-0x00000000081C8000-memory.dmp

Filesize
1.3MB

Download
memory/3488-224-0x0000000008080000-0x00000000081C8000-memory.dmp

Filesize
1.3MB

Download
memory/3488-210-0x0000000002B10000-0x0000000002BE6000-memory.dmp

Filesize
856KB

Download
memory/3700-214-0x00000000009A0000-0x00000000009BE000-memory.dmp

Filesize
120KB

Download
memory/4048-206-0x00000000014B0000-0x00000000017FA000-memory.dmp

Filesize
3.3MB

Download
memory/4048-208-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4048-209-0x0000000000FF0000-0x0000000001004000-memory.dmp

Filesize
80KB

Download
memory/4048-204-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download