formbook | 178ab8c2af1c8e5a0782d79d4910efc280b6fcd1213d84cf5899d28ba232bfaa

General

Target

PO2364#FD212002.exe
Size

1.0MB
MD5

c3298c6e18313176495e56d22f45518c
SHA1

42647e355a166c15df4a9e32ea967aa4d67a6ba2
SHA256

178ab8c2af1c8e5a0782d79d4910efc280b6fcd1213d84cf5899d28ba232bfaa
SHA512

07698e60d8f0f5c0f6a2e9a06795a0cc300df6f82d7a63a39b46854eaf7eb363a76d1952e234c380ad9af1a60cf831144c9e24ac0def85f98b46d86ba3b5e578

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.styrelseforum.com/p95n/

Decoy

kimberlyrutledge.com

auctus.agency

johnemotions.com

guilt-brilliant.com

wxshangdian.com

theolivetreeonline.com

stellarfranchisebrands.com

every1no1.com

hoangthanhgroup.com

psm-gen.com

kingdomwow.com

digitalksr.com

karynpolitoforlg.com

youthdaycalgary.com

libertyhandymanservicesllc.com

breatheohio.com

allenleather.com

transformafter50.info

hnhsylsb.com

hmtradebd.com

Signatures

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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1664-8-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1664-9-0x000000000041EDF0-mapping.dmp	formbook
behavioral1/memory/368-19-0x0000000000080000-0x00000000000AE000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1424 cmd.exe

pid	process
1424	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

PO2364#FD212002.exePO2364#FD212002.exechkdsk.exe

description	pid	process	target process
PID 1832 set thread context of 1664	1832	PO2364#FD212002.exe	PO2364#FD212002.exe
PID 1664 set thread context of 1244	1664	PO2364#FD212002.exe	Explorer.EXE
PID 1664 set thread context of 1244	1664	PO2364#FD212002.exe	Explorer.EXE
PID 368 set thread context of 1244	368	chkdsk.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

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

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

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

PO2364#FD212002.exePO2364#FD212002.exechkdsk.exe

pid	process
1832	PO2364#FD212002.exe
1832	PO2364#FD212002.exe
1664	PO2364#FD212002.exe
1664	PO2364#FD212002.exe
1664	PO2364#FD212002.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

PO2364#FD212002.exechkdsk.exe

pid process

1664 PO2364#FD212002.exe
1664 PO2364#FD212002.exe
1664 PO2364#FD212002.exe
1664 PO2364#FD212002.exe
368 chkdsk.exe
368 chkdsk.exe

pid	process
1664	PO2364#FD212002.exe
1664	PO2364#FD212002.exe
1664	PO2364#FD212002.exe
1664	PO2364#FD212002.exe
368	chkdsk.exe
368	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PO2364#FD212002.exePO2364#FD212002.exechkdsk.exe

description	pid	process
Token: SeDebugPrivilege	1832	PO2364#FD212002.exe
Token: SeDebugPrivilege	1664	PO2364#FD212002.exe
Token: SeDebugPrivilege	368	chkdsk.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE

pid	process
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE

pid	process
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

PO2364#FD212002.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1832 wrote to memory of 308	1832	PO2364#FD212002.exe	PO2364#FD212002.exe
PID 1832 wrote to memory of 308	1832	PO2364#FD212002.exe	PO2364#FD212002.exe
PID 1832 wrote to memory of 308	1832	PO2364#FD212002.exe	PO2364#FD212002.exe
PID 1832 wrote to memory of 308	1832	PO2364#FD212002.exe	PO2364#FD212002.exe
PID 1832 wrote to memory of 1664	1832	PO2364#FD212002.exe	PO2364#FD212002.exe
PID 1832 wrote to memory of 1664	1832	PO2364#FD212002.exe	PO2364#FD212002.exe
PID 1832 wrote to memory of 1664	1832	PO2364#FD212002.exe	PO2364#FD212002.exe
PID 1832 wrote to memory of 1664	1832	PO2364#FD212002.exe	PO2364#FD212002.exe
PID 1832 wrote to memory of 1664	1832	PO2364#FD212002.exe	PO2364#FD212002.exe
PID 1832 wrote to memory of 1664	1832	PO2364#FD212002.exe	PO2364#FD212002.exe
PID 1832 wrote to memory of 1664	1832	PO2364#FD212002.exe	PO2364#FD212002.exe
PID 1244 wrote to memory of 368	1244	Explorer.EXE	chkdsk.exe
PID 1244 wrote to memory of 368	1244	Explorer.EXE	chkdsk.exe
PID 1244 wrote to memory of 368	1244	Explorer.EXE	chkdsk.exe
PID 1244 wrote to memory of 368	1244	Explorer.EXE	chkdsk.exe
PID 368 wrote to memory of 1424	368	chkdsk.exe	cmd.exe
PID 368 wrote to memory of 1424	368	chkdsk.exe	cmd.exe
PID 368 wrote to memory of 1424	368	chkdsk.exe	cmd.exe
PID 368 wrote to memory of 1424	368	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1244

C:\Users\Admin\AppData\Local\Temp\PO2364#FD212002.exe
"C:\Users\Admin\AppData\Local\Temp\PO2364#FD212002.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1832

C:\Users\Admin\AppData\Local\Temp\PO2364#FD212002.exe
"{path}"
3⤵
PID:308

C:\Users\Admin\AppData\Local\Temp\PO2364#FD212002.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1664

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:368

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\PO2364#FD212002.exe"
3⤵
- Deletes itself
PID:1424

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/368-21-0x0000000001FC0000-0x0000000002053000-memory.dmp

Filesize
588KB

Download
memory/368-18-0x0000000000B10000-0x0000000000B17000-memory.dmp

Filesize
28KB

Download
memory/368-20-0x00000000020B0000-0x00000000023B3000-memory.dmp

Filesize
3.0MB

Download
memory/368-19-0x0000000000080000-0x00000000000AE000-memory.dmp

Filesize
184KB

Download
memory/368-16-0x0000000000000000-mapping.dmp

Download
memory/1244-13-0x0000000006A80000-0x0000000006BCB000-memory.dmp

Filesize
1.3MB

Download
memory/1244-15-0x0000000006BD0000-0x0000000006D3D000-memory.dmp

Filesize
1.4MB

Download
memory/1424-17-0x0000000000000000-mapping.dmp

Download
memory/1664-11-0x0000000000CE0000-0x0000000000FE3000-memory.dmp

Filesize
3.0MB

Download
memory/1664-14-0x00000000001D0000-0x00000000001E4000-memory.dmp

Filesize
80KB

Download
memory/1664-12-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/1664-9-0x000000000041EDF0-mapping.dmp

Download
memory/1664-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1832-2-0x0000000073980000-0x000000007406E000-memory.dmp

Filesize
6.9MB

Download
memory/1832-7-0x0000000005350000-0x00000000053AC000-memory.dmp

Filesize
368KB

Download
memory/1832-6-0x0000000000460000-0x000000000046E000-memory.dmp

Filesize
56KB

Download
memory/1832-5-0x0000000004B70000-0x0000000004B71000-memory.dmp

Filesize
4KB

Download
memory/1832-3-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads