formbook | b04fb6a2bc53196885c36c1de64a717a47bd0c450f2948999c368cf489e9ffb8

General

Target

doc359680138546284.pdf.exe
Size

368KB
MD5

07c858ed1fe8ee34db817fa6e9fc87f3
SHA1

5d22b7982a5ea8233cf18e20c57b3e90d90a48d6
SHA256

b04fb6a2bc53196885c36c1de64a717a47bd0c450f2948999c368cf489e9ffb8
SHA512

07e38d23692aa1a99153548572a261d9353abe1e85f5c4df25d3097eaed3e364f9b8eba89da29858b8f4c793b4fa9b45113a69f35ce1d4624dc9bba20a866568

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.supinapp.com/grv/

Decoy

morganofatlanta.com

vz473.com

hengetelt.com

bailcally.com

virtuosoonline.com

tenthousandli.com

ohanamascota.com

digi-plates.com

prismagtech.com

we-cinema.com

372680.com

smartautoexpert.xyz

mrxzg.com

apartment-brussels.com

reverseincubator.com

linkasean.com

yummicrabva.com

diguchaye.com

reaktorfatura.com

thecatsaysno.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/332-8-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/332-9-0x000000000041EC20-mapping.dmp	formbook
behavioral1/memory/816-20-0x00000000000F0000-0x000000000011E000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1224 cmd.exe

pid	process
1224	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

doc359680138546284.pdf.exedoc359680138546284.pdf.execmstp.exe

description	pid	process	target process
PID 1108 set thread context of 332	1108	doc359680138546284.pdf.exe	doc359680138546284.pdf.exe
PID 332 set thread context of 1264	332	doc359680138546284.pdf.exe	Explorer.EXE
PID 332 set thread context of 1264	332	doc359680138546284.pdf.exe	Explorer.EXE
PID 816 set thread context of 1264	816	cmstp.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

doc359680138546284.pdf.execmstp.exe

pid process

332 doc359680138546284.pdf.exe
332 doc359680138546284.pdf.exe
332 doc359680138546284.pdf.exe
816 cmstp.exe
816 cmstp.exe
816 cmstp.exe
816 cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

doc359680138546284.pdf.execmstp.exe

pid	process
332	doc359680138546284.pdf.exe
332	doc359680138546284.pdf.exe
332	doc359680138546284.pdf.exe
332	doc359680138546284.pdf.exe
816	cmstp.exe
816	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

doc359680138546284.pdf.execmstp.exe

description pid process

Token: SeDebugPrivilege 332 doc359680138546284.pdf.exe
Token: SeDebugPrivilege 816 cmstp.exe

description	pid	process
Token: SeDebugPrivilege	332	doc359680138546284.pdf.exe
Token: SeDebugPrivilege	816	cmstp.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

doc359680138546284.pdf.exedoc359680138546284.pdf.execmstp.exe

description	pid	process	target process
PID 1108 wrote to memory of 332	1108	doc359680138546284.pdf.exe	doc359680138546284.pdf.exe
PID 1108 wrote to memory of 332	1108	doc359680138546284.pdf.exe	doc359680138546284.pdf.exe
PID 1108 wrote to memory of 332	1108	doc359680138546284.pdf.exe	doc359680138546284.pdf.exe
PID 1108 wrote to memory of 332	1108	doc359680138546284.pdf.exe	doc359680138546284.pdf.exe
PID 1108 wrote to memory of 332	1108	doc359680138546284.pdf.exe	doc359680138546284.pdf.exe
PID 1108 wrote to memory of 332	1108	doc359680138546284.pdf.exe	doc359680138546284.pdf.exe
PID 1108 wrote to memory of 332	1108	doc359680138546284.pdf.exe	doc359680138546284.pdf.exe
PID 1108 wrote to memory of 332	1108	doc359680138546284.pdf.exe	doc359680138546284.pdf.exe
PID 1108 wrote to memory of 332	1108	doc359680138546284.pdf.exe	doc359680138546284.pdf.exe
PID 1108 wrote to memory of 332	1108	doc359680138546284.pdf.exe	doc359680138546284.pdf.exe
PID 332 wrote to memory of 816	332	doc359680138546284.pdf.exe	cmstp.exe
PID 332 wrote to memory of 816	332	doc359680138546284.pdf.exe	cmstp.exe
PID 332 wrote to memory of 816	332	doc359680138546284.pdf.exe	cmstp.exe
PID 332 wrote to memory of 816	332	doc359680138546284.pdf.exe	cmstp.exe
PID 332 wrote to memory of 816	332	doc359680138546284.pdf.exe	cmstp.exe
PID 332 wrote to memory of 816	332	doc359680138546284.pdf.exe	cmstp.exe
PID 332 wrote to memory of 816	332	doc359680138546284.pdf.exe	cmstp.exe
PID 816 wrote to memory of 1224	816	cmstp.exe	cmd.exe
PID 816 wrote to memory of 1224	816	cmstp.exe	cmd.exe
PID 816 wrote to memory of 1224	816	cmstp.exe	cmd.exe
PID 816 wrote to memory of 1224	816	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1264

C:\Users\Admin\AppData\Local\Temp\doc359680138546284.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\doc359680138546284.pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1108

C:\Users\Admin\AppData\Local\Temp\doc359680138546284.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\doc359680138546284.pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:332

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:816

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\doc359680138546284.pdf.exe"
5⤵
- Deletes itself
PID:1224

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/332-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/332-14-0x00000000002E0000-0x00000000002F4000-memory.dmp

Filesize
80KB

Download
memory/332-12-0x00000000002A0000-0x00000000002B4000-memory.dmp

Filesize
80KB

Download
memory/332-11-0x0000000000990000-0x0000000000C93000-memory.dmp

Filesize
3.0MB

Download
memory/332-9-0x000000000041EC20-mapping.dmp

Download
memory/816-16-0x0000000000000000-mapping.dmp

Download
memory/816-17-0x00000000760D1000-0x00000000760D3000-memory.dmp

Filesize
8KB

Download
memory/816-22-0x00000000020A0000-0x0000000002133000-memory.dmp

Filesize
588KB

Download
memory/816-21-0x0000000001D90000-0x0000000002093000-memory.dmp

Filesize
3.0MB

Download
memory/816-19-0x00000000007E0000-0x00000000007F8000-memory.dmp

Filesize
96KB

Download
memory/816-20-0x00000000000F0000-0x000000000011E000-memory.dmp

Filesize
184KB

Download
memory/1108-2-0x0000000073E00000-0x00000000744EE000-memory.dmp

Filesize
6.9MB

Download
memory/1108-7-0x00000000011E0000-0x0000000001234000-memory.dmp

Filesize
336KB

Download
memory/1108-3-0x00000000012E0000-0x00000000012E1000-memory.dmp

Filesize
4KB

Download
memory/1108-5-0x0000000001260000-0x0000000001261000-memory.dmp

Filesize
4KB

Download
memory/1108-6-0x00000000005E0000-0x00000000005E3000-memory.dmp

Filesize
12KB

Download
memory/1224-18-0x0000000000000000-mapping.dmp

Download
memory/1264-15-0x0000000007460000-0x00000000075DB000-memory.dmp

Filesize
1.5MB

Download
memory/1264-13-0x0000000006880000-0x00000000069BF000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads