formbook | 01e091955a83ba50c3b6324a89c6007d77798134465e1189cc3259906785262b

General

Target

Pedido de compra urgente.exe
Size

1.2MB
MD5

ae2709b53bbe59af6094b3721d2e43e4
SHA1

85dd2c7acf90d25e656598d30008bc77f3d4a60b
SHA256

01e091955a83ba50c3b6324a89c6007d77798134465e1189cc3259906785262b
SHA512

9c62a99a932e173939614c638d524ce33ee68b5985eda8e9737f07584a8c9f40c8b13b42b206d6a221092bdd2aa39a5ab3860a3ca6a877282578e2bf587d124b
SSDEEP

24576:LiTAD3InHT6elgPzH6s5K4Z3LpNnp+JNwIl7TaTpCGCcYjb:LeM3LjgTv5T09nYjb

Score

10^/10

formbook gy14 persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gy14

Decoy

mavbam.com

theanhedonia.com

budgetnurseries.com

buflitr.com

alqamarhotel.com

2660348.top

123bu6.shop

v72999.com

yzyz841.xyz

247fracing.com

naples.beauty

twinklethrive.com

loscaseros.com

creditspisatylegko.site

sgyy3ej2dgwesb5.com

ufocafe.net

techn9nehollywoodundead.com

truedatalab.com

alterdpxlmarketing.com

harborspringsfire.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4280-5-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1804-12-0x0000000000E10000-0x0000000000E3F000-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

Processes:

mstsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\XLZHSTN8LXG = "C:\\Program Files (x86)\\Internet Explorer\\iexplore.exe"	mstsc.exe
Key created	\Registry\User\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	mstsc.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 4 IoCs

Processes:

Pedido de compra urgente.exeiexplore.exemstsc.exe

description	pid	process	target process
PID 4328 set thread context of 4280	4328	Pedido de compra urgente.exe	iexplore.exe
PID 4280 set thread context of 3424	4280	iexplore.exe	Explorer.EXE
PID 4280 set thread context of 3424	4280	iexplore.exe	Explorer.EXE
PID 1804 set thread context of 3424	1804	mstsc.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

mstsc.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	mstsc.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

Processes:

iexplore.exemstsc.exe

pid	process
4280	iexplore.exe
4280	iexplore.exe
4280	iexplore.exe
4280	iexplore.exe
4280	iexplore.exe
4280	iexplore.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe
1804	mstsc.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

iexplore.exemstsc.exe

pid process

4280 iexplore.exe
4280 iexplore.exe
4280 iexplore.exe
4280 iexplore.exe
1804 mstsc.exe
1804 mstsc.exe
1804 mstsc.exe
1804 mstsc.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

iexplore.exeExplorer.EXEmstsc.exe

description	pid	process
Token: SeDebugPrivilege	4280	iexplore.exe
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeDebugPrivilege	1804	mstsc.exe
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3424 Explorer.EXE

pid	process
3424	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

Pedido de compra urgente.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 4328 wrote to memory of 4280	4328	Pedido de compra urgente.exe	iexplore.exe
PID 4328 wrote to memory of 4280	4328	Pedido de compra urgente.exe	iexplore.exe
PID 4328 wrote to memory of 4280	4328	Pedido de compra urgente.exe	iexplore.exe
PID 4328 wrote to memory of 4280	4328	Pedido de compra urgente.exe	iexplore.exe
PID 4328 wrote to memory of 4280	4328	Pedido de compra urgente.exe	iexplore.exe
PID 4328 wrote to memory of 4280	4328	Pedido de compra urgente.exe	iexplore.exe
PID 4328 wrote to memory of 3204	4328	Pedido de compra urgente.exe	iexplore.exe
PID 4328 wrote to memory of 3204	4328	Pedido de compra urgente.exe	iexplore.exe
PID 4328 wrote to memory of 3204	4328	Pedido de compra urgente.exe	iexplore.exe
PID 3424 wrote to memory of 1804	3424	Explorer.EXE	mstsc.exe
PID 3424 wrote to memory of 1804	3424	Explorer.EXE	mstsc.exe
PID 3424 wrote to memory of 1804	3424	Explorer.EXE	mstsc.exe
PID 1804 wrote to memory of 4884	1804	mstsc.exe	cmd.exe
PID 1804 wrote to memory of 4884	1804	mstsc.exe	cmd.exe
PID 1804 wrote to memory of 4884	1804	mstsc.exe	cmd.exe
PID 1804 wrote to memory of 4956	1804	mstsc.exe	Firefox.exe
PID 1804 wrote to memory of 4956	1804	mstsc.exe	Firefox.exe
PID 1804 wrote to memory of 4956	1804	mstsc.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3424

C:\Users\Admin\AppData\Local\Temp\Pedido de compra urgente.exe
"C:\Users\Admin\AppData\Local\Temp\Pedido de compra urgente.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4328

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4280

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
3⤵
PID:3204

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1804

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⤵
PID:4884

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:4956

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
46KB

MD5
8f5942354d3809f865f9767eddf51314

SHA1
20be11c0d42fc0cef53931ea9152b55082d1a11e

SHA256
776ecf8411b1b0167bea724409ac9d3f8479973df223ecc6e60e3302b3b2b8ea

SHA512
fde8dfae8a862cf106b0cb55e02d73e4e4c0527c744c20886681245c8160287f722612a6de9d0046ed1156b1771229c8950b9ac036b39c988d75aa20b7bac218

Download Submit
C:\Users\Admin\AppData\Roaming\Z3NR280V\Z3Nlogim.jpeg
Filesize
79KB

MD5
191b2a91f33bba75267db717cb4cb999

SHA1
16959697b738e2d118403beb7c38b2c5c9149bbc

SHA256
792c6cd1dc5d173717aeee6c70697fb00f731b664928041c91213b1211f3f0c5

SHA512
c811d8fca3320af908e4464b5dfbbfb73e15e889f642a34efea8b7855e9f3730d90795d005ba3a3bff5924f15f8720531f2e4a75cef0e8d2efd11698b10018f9

Download Submit
C:\Users\Admin\AppData\Roaming\Z3NR280V\Z3Nlogrf.ini
Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\Z3NR280V\Z3Nlogrg.ini
Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\Z3NR280V\Z3Nlogri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\Z3NR280V\Z3Nlogrv.ini
Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/1804-9-0x00000000008F0000-0x0000000000A2A000-memory.dmp

Filesize
1.2MB

Download
memory/1804-12-0x0000000000E10000-0x0000000000E3F000-memory.dmp

Filesize
188KB

Download
memory/1804-11-0x00000000008F0000-0x0000000000A2A000-memory.dmp

Filesize
1.2MB

Download
memory/3424-31-0x0000000006ED0000-0x0000000006F83000-memory.dmp

Filesize
716KB

Download
memory/3424-33-0x0000000006ED0000-0x0000000006F83000-memory.dmp

Filesize
716KB

Download
memory/3424-41-0x0000000006ED0000-0x0000000006F83000-memory.dmp

Filesize
716KB

Download
memory/3424-6-0x00000000087D0000-0x00000000088C6000-memory.dmp

Filesize
984KB

Download
memory/3424-28-0x00000000087D0000-0x00000000088C6000-memory.dmp

Filesize
984KB

Download
memory/3424-29-0x000000000A540000-0x000000000A674000-memory.dmp

Filesize
1.2MB

Download
memory/3424-8-0x000000000A540000-0x000000000A674000-memory.dmp

Filesize
1.2MB

Download
memory/4280-5-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4328-0-0x00007FFF38DF3000-0x00007FFF38DF5000-memory.dmp

Filesize
8KB

Download
memory/4328-4-0x0000021234110000-0x0000021234196000-memory.dmp

Filesize
536KB

Download
memory/4328-3-0x00007FFF38DF0000-0x00007FFF398B1000-memory.dmp

Filesize
10.8MB

Download
memory/4328-2-0x00007FFF38DF0000-0x00007FFF398B1000-memory.dmp

Filesize
10.8MB

Download
memory/4328-1-0x000002121B4E0000-0x000002121B4EA000-memory.dmp

Filesize
40KB

Download
memory/4328-7-0x00007FFF38DF0000-0x00007FFF398B1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads