formbook | 608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3

General

Target

608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.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 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1764-67-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1764-68-0x000000000041F140-mapping.dmp	formbook
behavioral1/memory/1764-75-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1020-78-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/1020-83-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exeRegSvcs.execmmon32.exe

description	pid	process	target process
PID 1548 set thread context of 1764	1548	608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe	RegSvcs.exe
PID 1764 set thread context of 1268	1764	RegSvcs.exe	Explorer.EXE
PID 1020 set thread context of 1268	1020	cmmon32.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

456 schtasks.exe

pid	process
456	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

RegSvcs.exepowershell.execmmon32.exe

pid	process
1764	RegSvcs.exe
1764	RegSvcs.exe
904	powershell.exe
1020	cmmon32.exe
1020	cmmon32.exe
1020	cmmon32.exe
1020	cmmon32.exe
1020	cmmon32.exe
1020	cmmon32.exe
1020	cmmon32.exe
1020	cmmon32.exe
1020	cmmon32.exe
1020	cmmon32.exe
1020	cmmon32.exe
1020	cmmon32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.execmmon32.exe

pid process

1764 RegSvcs.exe
1764 RegSvcs.exe
1764 RegSvcs.exe
1020 cmmon32.exe
1020 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

RegSvcs.exepowershell.execmmon32.exe

description pid process

Token: SeDebugPrivilege 1764 RegSvcs.exe
Token: SeDebugPrivilege 904 powershell.exe
Token: SeDebugPrivilege 1020 cmmon32.exe

description	pid	process
Token: SeDebugPrivilege	1764	RegSvcs.exe
Token: SeDebugPrivilege	904	powershell.exe
Token: SeDebugPrivilege	1020	cmmon32.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 1548 wrote to memory of 904	1548	608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe	powershell.exe
PID 1548 wrote to memory of 904	1548	608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe	powershell.exe
PID 1548 wrote to memory of 904	1548	608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe	powershell.exe
PID 1548 wrote to memory of 904	1548	608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe	powershell.exe
PID 1548 wrote to memory of 456	1548	608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe	schtasks.exe
PID 1548 wrote to memory of 456	1548	608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe	schtasks.exe
PID 1548 wrote to memory of 456	1548	608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe	schtasks.exe
PID 1548 wrote to memory of 456	1548	608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe	schtasks.exe
PID 1548 wrote to memory of 1764	1548	608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe	RegSvcs.exe
PID 1548 wrote to memory of 1764	1548	608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe	RegSvcs.exe
PID 1548 wrote to memory of 1764	1548	608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe	RegSvcs.exe
PID 1548 wrote to memory of 1764	1548	608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe	RegSvcs.exe
PID 1548 wrote to memory of 1764	1548	608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe	RegSvcs.exe
PID 1548 wrote to memory of 1764	1548	608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe	RegSvcs.exe
PID 1548 wrote to memory of 1764	1548	608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe	RegSvcs.exe
PID 1548 wrote to memory of 1764	1548	608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe	RegSvcs.exe
PID 1548 wrote to memory of 1764	1548	608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe	RegSvcs.exe
PID 1548 wrote to memory of 1764	1548	608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe	RegSvcs.exe
PID 1268 wrote to memory of 1020	1268	Explorer.EXE	cmmon32.exe
PID 1268 wrote to memory of 1020	1268	Explorer.EXE	cmmon32.exe
PID 1268 wrote to memory of 1020	1268	Explorer.EXE	cmmon32.exe
PID 1268 wrote to memory of 1020	1268	Explorer.EXE	cmmon32.exe
PID 1020 wrote to memory of 1736	1020	cmmon32.exe	cmd.exe
PID 1020 wrote to memory of 1736	1020	cmmon32.exe	cmd.exe
PID 1020 wrote to memory of 1736	1020	cmmon32.exe	cmd.exe
PID 1020 wrote to memory of 1736	1020	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1268

C:\Users\Admin\AppData\Local\Temp\608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe
"C:\Users\Admin\AppData\Local\Temp\608aed0c05c0bd3ff091e559c92093440f659cc8b6f98865ce907cd9d6885ba3.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1548

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:904

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IAFLNzOdgRR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp870C.tmp"
3⤵
- Creates scheduled task(s)
PID:456

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
PID:1764

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1020

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:1736

Network

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\tmp870C.tmp
Filesize
1KB

MD5
1894041f3a6d5074981138dd964194fb

SHA1
eb62a6627028facc6057da0f4de640a2a2170d10

SHA256
e48004346f999e1513d826b09ea3c7bbd9f4ee97e21ad1210cf7e5ee98138018

SHA512
75002f8ba1a6a6ba52f18868e4a4766171682f01636011e19a674128d1e432ec8bb178c9ee5ed628f0139b4a15d3501d0f68d876b07aacb11a7cf1939b8b3b5a

Download Submit
memory/456-60-0x0000000000000000-mapping.dmp

Download
memory/904-59-0x0000000000000000-mapping.dmp

Download
memory/904-80-0x000000006EAA0000-0x000000006F04B000-memory.dmp

Filesize
5.7MB

Download
memory/904-70-0x000000006EAA0000-0x000000006F04B000-memory.dmp

Filesize
5.7MB

Download
memory/1020-78-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1020-83-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1020-81-0x0000000001D60000-0x0000000001DF3000-memory.dmp

Filesize
588KB

Download
memory/1020-79-0x0000000001F60000-0x0000000002263000-memory.dmp

Filesize
3.0MB

Download
memory/1020-77-0x0000000000470000-0x000000000047D000-memory.dmp

Filesize
52KB

Download
memory/1020-74-0x0000000000000000-mapping.dmp

Download
memory/1268-73-0x0000000004590000-0x000000000467C000-memory.dmp

Filesize
944KB

Download
memory/1268-84-0x0000000004AB0000-0x0000000004BB5000-memory.dmp

Filesize
1.0MB

Download
memory/1268-82-0x0000000004AB0000-0x0000000004BB5000-memory.dmp

Filesize
1.0MB

Download
memory/1548-54-0x0000000000030000-0x0000000000116000-memory.dmp

Filesize
920KB

Download
memory/1548-58-0x0000000005730000-0x00000000057D6000-memory.dmp

Filesize
664KB

Download
memory/1548-57-0x0000000001E50000-0x0000000001E5E000-memory.dmp

Filesize
56KB

Download
memory/1548-63-0x00000000057D0000-0x000000000583C000-memory.dmp

Filesize
432KB

Download
memory/1548-56-0x0000000000710000-0x0000000000726000-memory.dmp

Filesize
88KB

Download
memory/1548-55-0x0000000075041000-0x0000000075043000-memory.dmp

Filesize
8KB

Download
memory/1736-76-0x0000000000000000-mapping.dmp

Download
memory/1764-68-0x000000000041F140-mapping.dmp

Download
memory/1764-72-0x0000000000390000-0x00000000003A4000-memory.dmp

Filesize
80KB

Download
memory/1764-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1764-65-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1764-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1764-75-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1764-71-0x0000000000A20000-0x0000000000D23000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads