formbook | 21ac6b3466ff131a75cea134baddd37412fa73bb5b8697aad76a719346a14648

General

Target
New Purchase Order 501,689$.exe
Size 777KB
Sample201014-xpp9ynq21s
SHA256 21ac6b3466ff131a75cea134baddd37412fa73bb5b8697aad76a719346a14648
MD5 d1b1eef61f69d2b769d2b7dcb1acf155
SHA1 a866ef4760a021ddfcfdd842f904d3bcba6f528b
SHA512 4ad70831163d0cb4a259c2357915ff82350d197a1edfb975ee94b73b0cfe845d02b90d65b28adb04e94ac9c04bc843cc651cc0decff5db364533680997580c49
MD5 SHA1 SHA512

Score

10^/10

rat trojan spyware stealer formbook

Malware Config

Extracted

Family

formbook

C2

http://www.touchtoby.xyz/eao/

Decoy

littletram.com
vanmetaal.com
clubbingspringbreak.com
intohuman.com
steph.place
ipsumksa.com
paultoon.com
wocwebowecbweogw.com
beverlyhillsmerch.com
vans-athens.com
stylishnailsbyem.com
milletvit.com
pappyjacksburgershack.com
anal-liza.com
lotownerbuilders.com
caffinatics.com
cvbtrading.co.uk
pheasanttrailsgolfcourse.com
wed0888.com
sundeepm.com
moneymakersclub.net
candcsaptai.com
skogsframjandet.com
rockstarpartyrentals.com
prostylezhairsalon.com
rogue.football
selfsufficientlearners.com
wisdom-consult.com
pivicric.info
domainemariage.com
mathsforstudents.com
wowdaebak.com
linbook8888.com
exceeidt.com
aicebit.com
ncgf61.com
argenteriamantova.com
hey-bamboo.com
elgritodeharpo.com
realbrosofles.com
5766557.com
galileomkt.com
astrugar.com
haasmyasupportagency.com
power-realestate.com
14201shastaway.com
solofsantabarbara.com
magentnew.com
xuedaiting.com
accokeektvmounting.com
ressindia.com
abuju.com
commcheapshop.com
indokaryasm.com
taddle.one
economicdevelopmentsoftware.com
fayk222.icu
4winner.xyz
undefinedheightsinc.com
sunfloe.com
xp135.com
simoncablehair.com
condor-protection.com
dentoviaoneday.com

Signatures

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

Formbook Payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/1812-6-0x0000000000400000-0x0000000000428000-memory.dmp	formbook
behavioral1/memory/1812-7-0x000000000041C810-mapping.dmp	formbook
behavioral1/memory/1624-9-0x0000000000000000-mapping.dmp	formbook

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1060 set thread context of 1812	1060	New Purchase Order 501,689$.exe	28
PID 1812 set thread context of 1320	1812	vbc.exe	20
PID 1812 set thread context of 1320	1812	vbc.exe	20
PID 1624 set thread context of 1320	1624	chkdsk.exe	20

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1060	New Purchase Order 501,689$.exe
1060	New Purchase Order 501,689$.exe
1812	vbc.exe
1812	vbc.exe
1812	vbc.exe
1624	chkdsk.exe
1624	chkdsk.exe
1624	chkdsk.exe
1624	chkdsk.exe
1624	chkdsk.exe
1624	chkdsk.exe
1624	chkdsk.exe
1624	chkdsk.exe
1624	chkdsk.exe
1624	chkdsk.exe
1624	chkdsk.exe
1624	chkdsk.exe
1624	chkdsk.exe
1624	chkdsk.exe
1624	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1812	vbc.exe
1812	vbc.exe
1812	vbc.exe
1812	vbc.exe
1624	chkdsk.exe
1624	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1060	New Purchase Order 501,689$.exe
Token: SeDebugPrivilege	1812	vbc.exe
Token: SeDebugPrivilege	1624	chkdsk.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1060 wrote to memory of 1812	1060	New Purchase Order 501,689$.exe	28
PID 1060 wrote to memory of 1812	1060	New Purchase Order 501,689$.exe	28
PID 1060 wrote to memory of 1812	1060	New Purchase Order 501,689$.exe	28
PID 1060 wrote to memory of 1812	1060	New Purchase Order 501,689$.exe	28
PID 1060 wrote to memory of 1812	1060	New Purchase Order 501,689$.exe	28
PID 1060 wrote to memory of 1812	1060	New Purchase Order 501,689$.exe	28
PID 1060 wrote to memory of 1812	1060	New Purchase Order 501,689$.exe	28
PID 1320 wrote to memory of 1624	1320	Explorer.EXE	29
PID 1320 wrote to memory of 1624	1320	Explorer.EXE	29
PID 1320 wrote to memory of 1624	1320	Explorer.EXE	29
PID 1320 wrote to memory of 1624	1320	Explorer.EXE	29
PID 1624 wrote to memory of 1564	1624	chkdsk.exe	30
PID 1624 wrote to memory of 1564	1624	chkdsk.exe	30
PID 1624 wrote to memory of 1564	1624	chkdsk.exe	30
PID 1624 wrote to memory of 1564	1624	chkdsk.exe	30

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Users\Admin\AppData\Local\Temp\New Purchase Order 501,689$.exe
  "C:\Users\Admin\AppData\Local\Temp\New Purchase Order 501,689$.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1060
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1812
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1624
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:1564

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1060-0-0x00000000740C0000-0x00000000747AE000-memory.dmp

Download

memory/1060-1-0x0000000000A20000-0x0000000000A21000-memory.dmp

Download

memory/1060-3-0x0000000000320000-0x0000000000324000-memory.dmp

Download

memory/1060-4-0x00000000053E0000-0x0000000005455000-memory.dmp

Download

memory/1060-5-0x00000000055B0000-0x0000000005612000-memory.dmp

Download

memory/1320-8-0x0000000006C40000-0x0000000006D9F000-memory.dmp

Download

memory/1624-10-0x0000000000B40000-0x0000000000B47000-memory.dmp

Download

memory/1624-12-0x0000000001F50000-0x00000000020A4000-memory.dmp

Download

memory/1812-6-0x0000000000400000-0x0000000000428000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads