formbook | d53052cf0ffba9f7c535e6b30ad8b7eb22df5dda936718fb6c07405e72a02c33

General

Target

bin3.exe
Size

180KB
MD5

9c1a2432d0841cb8b09bd38913230433
SHA1

8026c0b465c0e426f59c1a3e53d1ecdb6b5ce09e
SHA256

d53052cf0ffba9f7c535e6b30ad8b7eb22df5dda936718fb6c07405e72a02c33
SHA512

a51e3d8b3b705f24b7e8363631b3aa0953205593222739fea9a1e27b7cc2b6ea9995b949704a3360087ca1249174c7f9246e95abfed9dc06d6e067e7a608dc26

Score

10^/10

formbook 3nop persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

Decoy

bakecakesandmore.com

shenglisuoye.com

chinapopfactory.com

ynlrhd.com

liqourforyou.com

leonqamil.com

meccafon.com

online-marketing-strategie.biz

rbfxi.com

frseyb.info

leyu91.com

hotsmail.today

beepot.tech

dunaemmetmobility.com

sixpenceworkshop.com

incrediblefavorcoaching.com

pofo.info

yanshudaili.com

yellowbrickwedding.com

paintpartyblueprint.com

Signatures

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

Formbook Payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1684-57-0x0000000000090000-0x00000000000BD000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wuapp.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DPWTYLT0VPX = "C:\\Program Files (x86)\\Ygbcpjfbp\\user7n7l_rn0.exe"	wuapp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wuapp.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

764 cmd.exe

pid	process
764	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

bin3.exewuapp.exe

description	pid	process	target process
PID 1260 set thread context of 1404	1260	bin3.exe	Explorer.EXE
PID 1684 set thread context of 1404	1684	wuapp.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

wuapp.exe

description ioc process

File opened for modification C:\Program Files (x86)\Ygbcpjfbp\user7n7l_rn0.exe wuapp.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Ygbcpjfbp\user7n7l_rn0.exe	wuapp.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wuapp.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3846991908-3261386348-1409841751-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wuapp.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

bin3.exewuapp.exe

pid	process
1260	bin3.exe
1260	bin3.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe
1684	wuapp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1404 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

bin3.exewuapp.exe

pid process

1260 bin3.exe
1260 bin3.exe
1260 bin3.exe
1684 wuapp.exe
1684 wuapp.exe
1684 wuapp.exe
1684 wuapp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

bin3.exewuapp.exe

description pid process

Token: SeDebugPrivilege 1260 bin3.exe
Token: SeDebugPrivilege 1684 wuapp.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1404 Explorer.EXE
1404 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1404 Explorer.EXE
1404 Explorer.EXE

pid	process
1404	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1260	bin3.exe
Token: SeDebugPrivilege	1684	wuapp.exe

pid	process
1404	Explorer.EXE
1404	Explorer.EXE

pid	process
1404	Explorer.EXE
1404	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Explorer.EXEwuapp.exe

description	pid	process	target process
PID 1404 wrote to memory of 1684	1404	Explorer.EXE	wuapp.exe
PID 1404 wrote to memory of 1684	1404	Explorer.EXE	wuapp.exe
PID 1404 wrote to memory of 1684	1404	Explorer.EXE	wuapp.exe
PID 1404 wrote to memory of 1684	1404	Explorer.EXE	wuapp.exe
PID 1404 wrote to memory of 1684	1404	Explorer.EXE	wuapp.exe
PID 1404 wrote to memory of 1684	1404	Explorer.EXE	wuapp.exe
PID 1404 wrote to memory of 1684	1404	Explorer.EXE	wuapp.exe
PID 1684 wrote to memory of 764	1684	wuapp.exe	cmd.exe
PID 1684 wrote to memory of 764	1684	wuapp.exe	cmd.exe
PID 1684 wrote to memory of 764	1684	wuapp.exe	cmd.exe
PID 1684 wrote to memory of 764	1684	wuapp.exe	cmd.exe
PID 1684 wrote to memory of 1168	1684	wuapp.exe	Firefox.exe
PID 1684 wrote to memory of 1168	1684	wuapp.exe	Firefox.exe
PID 1684 wrote to memory of 1168	1684	wuapp.exe	Firefox.exe
PID 1684 wrote to memory of 1168	1684	wuapp.exe	Firefox.exe
PID 1684 wrote to memory of 1168	1684	wuapp.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1404

C:\Users\Admin\AppData\Local\Temp\bin3.exe
"C:\Users\Admin\AppData\Local\Temp\bin3.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1260

C:\Windows\SysWOW64\wuapp.exe
"C:\Windows\SysWOW64\wuapp.exe"
2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\bin3.exe"
3⤵
- Deletes itself
PID:764

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1168

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\-65A6372\-65logim.jpeg
MD5
50e86593a079726dc552567e3e6d9f37

SHA1
d89c134522b11d1d5d12799c9a32529efd0f4bfd

SHA256
3cf23ff85bf8feb371d00371e3bdeeaa951e61f6b56e153fe6ba6100d4df086e

SHA512
cad4f8ad10b067ddcb862a1c320f1f3832135472dc1979e7dddcff582cbe779538a59eadf39077778903d306fbc9fb372716679c31873b27d18420575b0a8756

Download Submit
C:\Users\Admin\AppData\Roaming\-65A6372\-65logrf.ini
MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\-65A6372\-65logri.ini
MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\-65A6372\-65logrv.ini
MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/1260-54-0x0000000000170000-0x0000000000184000-memory.dmp

Filesize
80KB

Download
memory/1260-53-0x0000000000820000-0x0000000000B23000-memory.dmp

Filesize
3.0MB

Download
memory/1404-55-0x0000000006370000-0x0000000006422000-memory.dmp

Filesize
712KB

Download
memory/1404-60-0x0000000006CF0000-0x0000000006DF5000-memory.dmp

Filesize
1.0MB

Download
memory/1684-56-0x0000000000B20000-0x0000000000B2B000-memory.dmp

Filesize
44KB

Download
memory/1684-61-0x0000000075D61000-0x0000000075D63000-memory.dmp

Filesize
8KB

Download
memory/1684-59-0x00000000008F0000-0x0000000000983000-memory.dmp

Filesize
588KB

Download
memory/1684-58-0x0000000001F30000-0x0000000002233000-memory.dmp

Filesize
3.0MB

Download
memory/1684-57-0x0000000000090000-0x00000000000BD000-memory.dmp

Filesize
180KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads