formbook | e02ec0e6cd81530d926a5ee5029366b1c7b23b233c207e697310ae4d5db5e711

Analysis

max time kernel
148s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 05:41

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General

Target

7f5c51082df9c442107794b99ccc0288_JaffaCakes118.exe
Size

511KB
MD5

7f5c51082df9c442107794b99ccc0288
SHA1

3d8356c11463ae04006f9801030c146e891e9ada
SHA256

e02ec0e6cd81530d926a5ee5029366b1c7b23b233c207e697310ae4d5db5e711
SHA512

311bbd61b632dac3f10824e059172ef773f3cdf4da22837c79cbbdebc065155469d03e52afc8397135adbf7cad11f1cdbdf80a0c578e92dc817c2d095162d865
SSDEEP

12288:X58WhWmNEYOy3PRi6830cLzgPZlppBm5ic6g6MmMrcIdsGC9:X5dxNvi6NcfE/QcWC9

Score

10^/10

formbook xp9 credential_access discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

xp9

Decoy

southsideflooring.com

lalibretadelcompositor.com

aarizclothing.com

castorreceitas.com

myasdineinisland.com

daggaman.com

genuinehit.guru

breakfast-at-epiphanies.com

rssem.com

7744tigerfish.com

corinthians.today

walderandco.com

myclassnavigator.com

maryonlinemarketing.com

alkiefksa.com

mecanizadosindustrialessas.com

razvivalka.site

appleid8.com

indiancoderclub.com

fungimentalhealth.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/32-204-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/32-208-0x0000000000400000-0x000000000042E000-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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	NETSTAT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\M4-P808PV27 = "C:\\Program Files (x86)\\Ygz7\\0v1irfhano.exe"	NETSTAT.EXE

Executes dropped EXE 1 IoCs

pid	Process
32	AddInProcess32.exe

Loads dropped DLL 1 IoCs

pid	Process
4464	7f5c51082df9c442107794b99ccc0288_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 4464 set thread context of 32	4464	7f5c51082df9c442107794b99ccc0288_JaffaCakes118.exe	89
PID 32 set thread context of 3428	32	AddInProcess32.exe	56
PID 1836 set thread context of 3428	1836	NETSTAT.EXE	56

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Ygz7\0v1irfhano.exe	NETSTAT.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	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7f5c51082df9c442107794b99ccc0288_JaffaCakes118.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
1836	NETSTAT.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-3774859476-2260090144-3466365324-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 41 IoCs

pid	Process
4464	7f5c51082df9c442107794b99ccc0288_JaffaCakes118.exe
32	AddInProcess32.exe
32	AddInProcess32.exe
32	AddInProcess32.exe
32	AddInProcess32.exe
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
32	AddInProcess32.exe
32	AddInProcess32.exe
32	AddInProcess32.exe
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE
1836	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	4464	7f5c51082df9c442107794b99ccc0288_JaffaCakes118.exe
Token: SeDebugPrivilege	32	AddInProcess32.exe
Token: SeDebugPrivilege	1836	NETSTAT.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3428	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 32	4464	7f5c51082df9c442107794b99ccc0288_JaffaCakes118.exe	89
PID 4464 wrote to memory of 32	4464	7f5c51082df9c442107794b99ccc0288_JaffaCakes118.exe	89
PID 4464 wrote to memory of 32	4464	7f5c51082df9c442107794b99ccc0288_JaffaCakes118.exe	89
PID 4464 wrote to memory of 32	4464	7f5c51082df9c442107794b99ccc0288_JaffaCakes118.exe	89
PID 4464 wrote to memory of 32	4464	7f5c51082df9c442107794b99ccc0288_JaffaCakes118.exe	89
PID 4464 wrote to memory of 32	4464	7f5c51082df9c442107794b99ccc0288_JaffaCakes118.exe	89
PID 3428 wrote to memory of 1836	3428	Explorer.EXE	91
PID 3428 wrote to memory of 1836	3428	Explorer.EXE	91
PID 3428 wrote to memory of 1836	3428	Explorer.EXE	91
PID 1836 wrote to memory of 1512	1836	NETSTAT.EXE	92
PID 1836 wrote to memory of 1512	1836	NETSTAT.EXE	92
PID 1836 wrote to memory of 1512	1836	NETSTAT.EXE	92
PID 1836 wrote to memory of 4320	1836	NETSTAT.EXE	94
PID 1836 wrote to memory of 4320	1836	NETSTAT.EXE	94
PID 1836 wrote to memory of 4320	1836	NETSTAT.EXE	94
PID 1836 wrote to memory of 4568	1836	NETSTAT.EXE	96
PID 1836 wrote to memory of 4568	1836	NETSTAT.EXE	96
PID 1836 wrote to memory of 4568	1836	NETSTAT.EXE	96

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Users\Admin\AppData\Local\Temp\7f5c51082df9c442107794b99ccc0288_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\7f5c51082df9c442107794b99ccc0288_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:4464
- - 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:32
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:5056
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.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
  - Gathers network information
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1836
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1512
- - 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:4320
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:4568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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 Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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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\1965NS2F\196logim.jpeg

Filesize
83KB

MD5
a89fac4f1990edc7c67ebb4289e3eb50

SHA1
fea7d5550ecb76f50ed8c59b1eb66f5de20c4c61

SHA256
a76fc51fae30248c0ac33107c9eaeffba5835292ae7433cc7362868f08e29427

SHA512
2dff1574c285f4e9d89ad291b62f0cea8c25690f7a82b5ff726644b1b121129338e787ef50ba8ded37fce86064ac17b978e75b640790d7f47b0afdd267b67b53

Download Submit
C:\Users\Admin\AppData\Roaming\1965NS2F\196logrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\1965NS2F\196logrg.ini

Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\1965NS2F\196logri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\1965NS2F\196logrv.ini

Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/32-209-0x0000000001550000-0x0000000001564000-memory.dmp

Filesize
80KB

Download
memory/32-208-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/32-206-0x00000000019D0000-0x0000000001D1A000-memory.dmp

Filesize
3.3MB

Download
memory/32-204-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1836-213-0x0000000000F80000-0x0000000000F8B000-memory.dmp

Filesize
44KB

Download
memory/3428-238-0x0000000002A30000-0x0000000002AF4000-memory.dmp

Filesize
784KB

Download
memory/3428-219-0x0000000002A30000-0x0000000002AF4000-memory.dmp

Filesize
784KB

Download
memory/3428-216-0x0000000008920000-0x0000000008A65000-memory.dmp

Filesize
1.3MB

Download
memory/3428-210-0x0000000008920000-0x0000000008A65000-memory.dmp

Filesize
1.3MB

Download
memory/4464-64-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-14-0x0000000073220000-0x00000000732A9000-memory.dmp

Filesize
548KB

Download
memory/4464-56-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-54-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-52-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-50-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-48-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-46-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-44-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-42-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-40-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-38-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-34-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-32-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-30-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-28-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-26-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-24-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-22-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-20-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-18-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-15-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-16-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-58-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-195-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/4464-196-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/4464-197-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/4464-199-0x0000000007360000-0x000000000736C000-memory.dmp

Filesize
48KB

Download
memory/4464-60-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-62-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-205-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/4464-0-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/4464-66-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-68-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-70-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-72-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-74-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-76-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-36-0x0000000005590000-0x00000000055B5000-memory.dmp

Filesize
148KB

Download
memory/4464-6-0x0000000005810000-0x00000000058A2000-memory.dmp

Filesize
584KB

Download
memory/4464-5-0x00000000056B0000-0x00000000056F4000-memory.dmp

Filesize
272KB

Download
memory/4464-4-0x0000000005D20000-0x00000000062C4000-memory.dmp

Filesize
5.6MB

Download
memory/4464-3-0x0000000005590000-0x00000000055BC000-memory.dmp

Filesize
176KB

Download
memory/4464-2-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/4464-1-0x0000000000D80000-0x0000000000E06000-memory.dmp

Filesize
536KB

Download