formbook | 608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3

General

Target

Ordem de Compra pdf xxQ4h.exe
Size

894KB
MD5

973a94d5f2fb8e7d4da718d074dfd9eb
SHA1

707f58e7972ed3493b0bd62480e4ed9538eba93f
SHA256

608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3
SHA512

9b5dac4e93ff472550e557b9ea6e3bc4ccdcefd861886403a4c3729b9070de30d507ce3d4dc341d671416b1f4bd6e1a7a3624e5f9cd0f9935b3c375b89595250
SSDEEP

24576:EHryn040Nznszfdf0DYkmybe7hxtcPuDdEPf:6mp0SZfsgyOT6vP

Score

10^/10

formbook cy28 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cy28

Decoy

100049723423.review

lovehealthcare.online

immuniversity.info

ihproductions.net

originatorsu.mobi

shxwjn.top

fivemeters.com

planettiki.site

berantaspinjol.online

oregonusedtrucks.com

darkstarkoi.com

izmirhaberci.world

41014.top

georgiaspanishgoats.com

dealstopstartups.click

ravmodeling.center

unsundayjesus.world

initialslash.site

shubaola.top

caserevision.com

Signatures

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

Formbook payload 6 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1604-67-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1604-68-0x000000000041F140-mapping.dmp	formbook
behavioral1/memory/1604-74-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1604-80-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1988-83-0x0000000000070000-0x000000000009F000-memory.dmp	formbook
behavioral1/memory/1988-86-0x0000000000070000-0x000000000009F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

Processes:

Ordem de Compra pdf xxQ4h.exeRegSvcs.exewscript.exe

description	pid	process	target process
PID 888 set thread context of 1604	888	Ordem de Compra pdf xxQ4h.exe	RegSvcs.exe
PID 1604 set thread context of 1268	1604	RegSvcs.exe	Explorer.EXE
PID 1604 set thread context of 1268	1604	RegSvcs.exe	Explorer.EXE
PID 1988 set thread context of 1268	1988	wscript.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

732 schtasks.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

RegSvcs.exepowershell.exewscript.exe

pid process

1604 RegSvcs.exe
1604 RegSvcs.exe
1676 powershell.exe
1604 RegSvcs.exe
1988 wscript.exe
1988 wscript.exe
1988 wscript.exe
1988 wscript.exe
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

RegSvcs.exewscript.exe

pid process

1604 RegSvcs.exe
1604 RegSvcs.exe
1604 RegSvcs.exe
1604 RegSvcs.exe
1988 wscript.exe
1988 wscript.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

RegSvcs.exepowershell.exewscript.exe

description pid process

Token: SeDebugPrivilege 1604 RegSvcs.exe
Token: SeDebugPrivilege 1676 powershell.exe
Token: SeDebugPrivilege 1988 wscript.exe

pid	process
732	schtasks.exe

pid	process
1604	RegSvcs.exe
1604	RegSvcs.exe
1676	powershell.exe
1604	RegSvcs.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe

pid	process
1604	RegSvcs.exe
1604	RegSvcs.exe
1604	RegSvcs.exe
1604	RegSvcs.exe
1988	wscript.exe
1988	wscript.exe

description	pid	process
Token: SeDebugPrivilege	1604	RegSvcs.exe
Token: SeDebugPrivilege	1676	powershell.exe
Token: SeDebugPrivilege	1988	wscript.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

Ordem de Compra pdf xxQ4h.exeRegSvcs.exewscript.exe

description	pid	process	target process
PID 888 wrote to memory of 1676	888	Ordem de Compra pdf xxQ4h.exe	powershell.exe
PID 888 wrote to memory of 1676	888	Ordem de Compra pdf xxQ4h.exe	powershell.exe
PID 888 wrote to memory of 1676	888	Ordem de Compra pdf xxQ4h.exe	powershell.exe
PID 888 wrote to memory of 1676	888	Ordem de Compra pdf xxQ4h.exe	powershell.exe
PID 888 wrote to memory of 732	888	Ordem de Compra pdf xxQ4h.exe	schtasks.exe
PID 888 wrote to memory of 732	888	Ordem de Compra pdf xxQ4h.exe	schtasks.exe
PID 888 wrote to memory of 732	888	Ordem de Compra pdf xxQ4h.exe	schtasks.exe
PID 888 wrote to memory of 732	888	Ordem de Compra pdf xxQ4h.exe	schtasks.exe
PID 888 wrote to memory of 1604	888	Ordem de Compra pdf xxQ4h.exe	RegSvcs.exe
PID 888 wrote to memory of 1604	888	Ordem de Compra pdf xxQ4h.exe	RegSvcs.exe
PID 888 wrote to memory of 1604	888	Ordem de Compra pdf xxQ4h.exe	RegSvcs.exe
PID 888 wrote to memory of 1604	888	Ordem de Compra pdf xxQ4h.exe	RegSvcs.exe
PID 888 wrote to memory of 1604	888	Ordem de Compra pdf xxQ4h.exe	RegSvcs.exe
PID 888 wrote to memory of 1604	888	Ordem de Compra pdf xxQ4h.exe	RegSvcs.exe
PID 888 wrote to memory of 1604	888	Ordem de Compra pdf xxQ4h.exe	RegSvcs.exe
PID 888 wrote to memory of 1604	888	Ordem de Compra pdf xxQ4h.exe	RegSvcs.exe
PID 888 wrote to memory of 1604	888	Ordem de Compra pdf xxQ4h.exe	RegSvcs.exe
PID 888 wrote to memory of 1604	888	Ordem de Compra pdf xxQ4h.exe	RegSvcs.exe
PID 1604 wrote to memory of 1988	1604	RegSvcs.exe	wscript.exe
PID 1604 wrote to memory of 1988	1604	RegSvcs.exe	wscript.exe
PID 1604 wrote to memory of 1988	1604	RegSvcs.exe	wscript.exe
PID 1604 wrote to memory of 1988	1604	RegSvcs.exe	wscript.exe
PID 1988 wrote to memory of 880	1988	wscript.exe	cmd.exe
PID 1988 wrote to memory of 880	1988	wscript.exe	cmd.exe
PID 1988 wrote to memory of 880	1988	wscript.exe	cmd.exe
PID 1988 wrote to memory of 880	1988	wscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1268

C:\Users\Admin\AppData\Local\Temp\Ordem de Compra pdf xxQ4h.exe
"C:\Users\Admin\AppData\Local\Temp\Ordem de Compra pdf xxQ4h.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:888

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IAFLNzOdgRR.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1676

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IAFLNzOdgRR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp41E1.tmp"
3⤵
- Creates scheduled task(s)
PID:732

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1604

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
5⤵
PID:880

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp41E1.tmp
Filesize
1KB

MD5
c0a44275ca41acddb603d0517c77f04c

SHA1
e31ef94ac7f7b0f3744d2a9b740fd91418311f14

SHA256
f9ee1503e8a89b277eccbf9acbf2fef83348c7e7e4b3740ef87c625ac9237743

SHA512
5d14814f8674a084d72a19bdbbe154562bf6cf087c27772b428c9979f5ea29728d18a630391884f244d034f79cd8f21b30540fe8450d3b6988fb5f5d0aacc69d

Download Submit
memory/732-60-0x0000000000000000-mapping.dmp

Download
memory/880-84-0x0000000000000000-mapping.dmp

Download
memory/888-54-0x00000000008B0000-0x0000000000996000-memory.dmp

Filesize
920KB

Download
memory/888-55-0x0000000075B61000-0x0000000075B63000-memory.dmp

Filesize
8KB

Download
memory/888-56-0x00000000005A0000-0x00000000005B6000-memory.dmp

Filesize
88KB

Download
memory/888-57-0x00000000005B0000-0x00000000005BE000-memory.dmp

Filesize
56KB

Download
memory/888-58-0x0000000005480000-0x0000000005526000-memory.dmp

Filesize
664KB

Download
memory/888-63-0x0000000004FD0000-0x000000000503C000-memory.dmp

Filesize
432KB

Download
memory/1268-88-0x0000000004CA0000-0x0000000004D71000-memory.dmp

Filesize
836KB

Download
memory/1268-77-0x0000000004960000-0x0000000004A43000-memory.dmp

Filesize
908KB

Download
memory/1268-73-0x0000000003CE0000-0x0000000003DC4000-memory.dmp

Filesize
912KB

Download
memory/1604-71-0x0000000000AA0000-0x0000000000DA3000-memory.dmp

Filesize
3.0MB

Download
memory/1604-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1604-68-0x000000000041F140-mapping.dmp

Download
memory/1604-72-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/1604-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1604-74-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1604-76-0x0000000000320000-0x0000000000334000-memory.dmp

Filesize
80KB

Download
memory/1604-65-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1604-80-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1676-78-0x000000006E760000-0x000000006ED0B000-memory.dmp

Filesize
5.7MB

Download
memory/1676-70-0x000000006E760000-0x000000006ED0B000-memory.dmp

Filesize
5.7MB

Download
memory/1676-59-0x0000000000000000-mapping.dmp

Download
memory/1676-85-0x000000006E760000-0x000000006ED0B000-memory.dmp

Filesize
5.7MB

Download
memory/1988-79-0x0000000000000000-mapping.dmp

Download
memory/1988-83-0x0000000000070000-0x000000000009F000-memory.dmp

Filesize
188KB

Download
memory/1988-82-0x0000000001FB0000-0x00000000022B3000-memory.dmp

Filesize
3.0MB

Download
memory/1988-86-0x0000000000070000-0x000000000009F000-memory.dmp

Filesize
188KB

Download
memory/1988-81-0x0000000000460000-0x0000000000486000-memory.dmp

Filesize
152KB

Download
memory/1988-87-0x0000000001D80000-0x0000000001E13000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads