formbook | e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01

Analysis

max time kernel
150s
max time network
148s
platform
windows10-1703_x64
resource
win10-20220722-en
resource tags

arch:x64arch:x86image:win10-20220722-enlocale:en-usos:windows10-1703-x64system
submitted
27-07-2022 14:00

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General

Target

e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exe
Size

28KB
MD5

6aa3ec01c02065ec554c4d9e7c487a82
SHA1

53b6ae871fdd19e420b2723f2f35465d8b791ad5
SHA256

e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01
SHA512

ee4df39cd8b306f7a1cd6e1bdf442b197cad984cab8659e8342ae7a07f7e189e4c3a8f2d7136ce1a9cf0db5fb6065d16b3871c6bbb5704431a2bc4dfe58a2169

Score

10^/10

formbook s4s9 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

s4s9

Decoy

qianyuandianshang.com

bernardklein.com

slhomeservices.com

findasaas.com

janellelancaster.xyz

umkpro.site

nr6949.online

mersquare.club

lanariproperties.com

3rdeyefocused.com

giftexpress8260.xyz

hilleleven.xyz

beajod.com

kosazs.online

ishare.team

mb314.com

xjjinxingda.com

ayekooprojectamazing.com

ballsybanter.com

todayshoppingbd.com

Signatures

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

Formbook payload 7 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/4052-303-0x000000000041F0E0-mapping.dmp	formbook
behavioral1/memory/4052-317-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/4052-331-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/5060-350-0x00000000005C0000-0x00000000005EF000-memory.dmp	formbook
behavioral1/memory/5060-361-0x0000000000B80000-0x0000000000D1A000-memory.dmp	formbook
behavioral1/memory/5060-363-0x00000000005C0000-0x00000000005EF000-memory.dmp	formbook
behavioral1/memory/5060-364-0x0000000000B80000-0x0000000000D1A000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exeMSBuild.execmd.exe

description	pid	process	target process
PID 2764 set thread context of 4052	2764	e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exe	MSBuild.exe
PID 4052 set thread context of 2908	4052	MSBuild.exe	Explorer.EXE
PID 5060 set thread context of 2908	5060	cmd.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

Suspicious behavior: EnumeratesProcesses 55 IoCs

Processes:

powershell.exee240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exeMSBuild.execmd.exe

pid	process
3420	powershell.exe
3420	powershell.exe
3420	powershell.exe
2764	e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exe
2764	e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exe
4052	MSBuild.exe
4052	MSBuild.exe
4052	MSBuild.exe
4052	MSBuild.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe
5060	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2908 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

MSBuild.execmd.exe

pid process

4052 MSBuild.exe
4052 MSBuild.exe
4052 MSBuild.exe
5060 cmd.exe
5060 cmd.exe

pid	process
2908	Explorer.EXE

pid	process
4052	MSBuild.exe
4052	MSBuild.exe
4052	MSBuild.exe
5060	cmd.exe
5060	cmd.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exepowershell.exeMSBuild.execmd.exe

description	pid	process
Token: SeDebugPrivilege	2764	e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exe
Token: SeDebugPrivilege	3420	powershell.exe
Token: SeDebugPrivilege	4052	MSBuild.exe
Token: SeDebugPrivilege	5060	cmd.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 2764 wrote to memory of 3420	2764	e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exe	powershell.exe
PID 2764 wrote to memory of 3420	2764	e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exe	powershell.exe
PID 2764 wrote to memory of 3420	2764	e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exe	powershell.exe
PID 2764 wrote to memory of 4052	2764	e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exe	MSBuild.exe
PID 2764 wrote to memory of 4052	2764	e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exe	MSBuild.exe
PID 2764 wrote to memory of 4052	2764	e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exe	MSBuild.exe
PID 2764 wrote to memory of 4052	2764	e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exe	MSBuild.exe
PID 2764 wrote to memory of 4052	2764	e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exe	MSBuild.exe
PID 2764 wrote to memory of 4052	2764	e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exe	MSBuild.exe
PID 2908 wrote to memory of 5060	2908	Explorer.EXE	cmd.exe
PID 2908 wrote to memory of 5060	2908	Explorer.EXE	cmd.exe
PID 2908 wrote to memory of 5060	2908	Explorer.EXE	cmd.exe
PID 5060 wrote to memory of 4556	5060	cmd.exe	cmd.exe
PID 5060 wrote to memory of 4556	5060	cmd.exe	cmd.exe
PID 5060 wrote to memory of 4556	5060	cmd.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2908

C:\Users\Admin\AppData\Local\Temp\e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exe
"C:\Users\Admin\AppData\Local\Temp\e240812c35bacf92c202060e8cf794cea45794d87188d0aa8d20957f07299b01.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2764

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgA=
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3420

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4052

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\SysWOW64\cmd.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5060

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
3⤵
PID:4556

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2764-127-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-128-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-129-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-130-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-131-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-132-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-133-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-134-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-135-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-136-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-137-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-138-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-139-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-140-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-141-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-142-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-143-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-144-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-145-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-146-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-147-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-148-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-149-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-150-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-151-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-152-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-153-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-154-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-155-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-156-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-157-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-158-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-159-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-160-0x0000000000320000-0x000000000032C000-memory.dmp

Filesize
48KB

Download
memory/2764-161-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-162-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-163-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-164-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-165-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-166-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-167-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-168-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-169-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-170-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-172-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-171-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-173-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-174-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-175-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-176-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-177-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-178-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-179-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-180-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-181-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-182-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-183-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-184-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-185-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-186-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-188-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-187-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-189-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-190-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-191-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-195-0x0000000005960000-0x0000000005E5E000-memory.dmp

Filesize
5.0MB

Download
memory/2764-200-0x00000000054C0000-0x0000000005538000-memory.dmp

Filesize
480KB

Download
memory/2764-201-0x00000000055C0000-0x0000000005652000-memory.dmp

Filesize
584KB

Download
memory/2764-202-0x00000000056C0000-0x00000000056E2000-memory.dmp

Filesize
136KB

Download
memory/2764-204-0x0000000005E60000-0x00000000061B0000-memory.dmp

Filesize
3.3MB

Download
memory/2908-329-0x00000000055D0000-0x0000000005745000-memory.dmp

Filesize
1.5MB

Download
memory/2908-362-0x0000000005750000-0x00000000058CF000-memory.dmp

Filesize
1.5MB

Download
memory/2908-365-0x0000000005750000-0x00000000058CF000-memory.dmp

Filesize
1.5MB

Download
memory/3420-215-0x0000000000000000-mapping.dmp

Download
memory/3420-251-0x0000000000EA0000-0x0000000000ED6000-memory.dmp

Filesize
216KB

Download
memory/3420-256-0x0000000007080000-0x00000000076A8000-memory.dmp

Filesize
6.2MB

Download
memory/3420-274-0x0000000006E10000-0x0000000006E76000-memory.dmp

Filesize
408KB

Download
memory/3420-276-0x0000000006EF0000-0x0000000006F56000-memory.dmp

Filesize
408KB

Download
memory/3420-279-0x0000000006FA0000-0x0000000006FBC000-memory.dmp

Filesize
112KB

Download
memory/3420-280-0x0000000007F40000-0x0000000007F8B000-memory.dmp

Filesize
300KB

Download
memory/3420-284-0x0000000007E30000-0x0000000007EA6000-memory.dmp

Filesize
472KB

Download
memory/3420-295-0x0000000009690000-0x0000000009D08000-memory.dmp

Filesize
6.5MB

Download
memory/3420-296-0x0000000008C20000-0x0000000008C3A000-memory.dmp

Filesize
104KB

Download
memory/4052-303-0x000000000041F0E0-mapping.dmp

Download
memory/4052-317-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4052-319-0x0000000000E60000-0x0000000001180000-memory.dmp

Filesize
3.1MB

Download
memory/4052-328-0x0000000000CC0000-0x0000000000E53000-memory.dmp

Filesize
1.6MB

Download
memory/4052-331-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4556-343-0x0000000000000000-mapping.dmp

Download
memory/5060-330-0x0000000000000000-mapping.dmp

Download
memory/5060-349-0x0000000001000000-0x0000000001059000-memory.dmp

Filesize
356KB

Download
memory/5060-350-0x00000000005C0000-0x00000000005EF000-memory.dmp

Filesize
188KB

Download
memory/5060-351-0x0000000003060000-0x0000000003380000-memory.dmp

Filesize
3.1MB

Download
memory/5060-361-0x0000000000B80000-0x0000000000D1A000-memory.dmp

Filesize
1.6MB

Download
memory/5060-363-0x00000000005C0000-0x00000000005EF000-memory.dmp

Filesize
188KB

Download
memory/5060-364-0x0000000000B80000-0x0000000000D1A000-memory.dmp

Filesize
1.6MB

Download