formbook | 2776237004407d8c72906ce72050cda1b0d9abeb20e313abf7a98e6fea03ce8d

General

Target

obizx.exe
Size

407KB
MD5

49d580ed801dcd3c12a2bf56e82a3baa
SHA1

ee97619d2e4a2dcec42a9a184fdead03b3016690
SHA256

2776237004407d8c72906ce72050cda1b0d9abeb20e313abf7a98e6fea03ce8d
SHA512

fbf3c5c087a96b70c9e1f95f17084fbb671f3f1fbaf5050ed4617ee869eef0c4b0365b48a07ca7a480f14ba682b3b89e246c2b15c4bea562e2099b8fbf4f6485

Score

10^/10

formbook fkt8 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

fkt8

C2

http://www.grampianscottages.com/fkt8/

Decoy

chosenvoicesrising.com

sinanbodur.com

ajayforchange.com

ucp.coffee

voteyatooma.com

budgetsignsco.com

greenscheme.xyz

bscvbuye.xyz

onlineslot.website

posta-sk-online.com

lawrencesmithart.com

clubbiohack.com

rancrypto.net

ankitanandroy.com

mdexam.info

rochx7.com

experiencegreatness.site

rooferseeker.com

xy-marine.com

tecnograss.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/532-63-0x000000000041F0C0-mapping.dmp	formbook
behavioral1/memory/532-62-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1520-71-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

600 cmd.exe

pid	process
600	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

obizx.exeobizx.exemsiexec.exe

description	pid	process	target process
PID 1620 set thread context of 532	1620	obizx.exe	obizx.exe
PID 532 set thread context of 1268	532	obizx.exe	Explorer.EXE
PID 1520 set thread context of 1268	1520	msiexec.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

obizx.exemsiexec.exe

pid	process
532	obizx.exe
532	obizx.exe
1520	msiexec.exe
1520	msiexec.exe
1520	msiexec.exe
1520	msiexec.exe
1520	msiexec.exe
1520	msiexec.exe
1520	msiexec.exe
1520	msiexec.exe
1520	msiexec.exe
1520	msiexec.exe
1520	msiexec.exe
1520	msiexec.exe
1520	msiexec.exe
1520	msiexec.exe
1520	msiexec.exe
1520	msiexec.exe
1520	msiexec.exe
1520	msiexec.exe
1520	msiexec.exe
1520	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

obizx.exemsiexec.exe

pid process

532 obizx.exe
532 obizx.exe
532 obizx.exe
1520 msiexec.exe
1520 msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

obizx.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 532 obizx.exe
Token: SeDebugPrivilege 1520 msiexec.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	532	obizx.exe
Token: SeDebugPrivilege	1520	msiexec.exe

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

obizx.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 1620 wrote to memory of 532	1620	obizx.exe	obizx.exe
PID 1620 wrote to memory of 532	1620	obizx.exe	obizx.exe
PID 1620 wrote to memory of 532	1620	obizx.exe	obizx.exe
PID 1620 wrote to memory of 532	1620	obizx.exe	obizx.exe
PID 1620 wrote to memory of 532	1620	obizx.exe	obizx.exe
PID 1620 wrote to memory of 532	1620	obizx.exe	obizx.exe
PID 1620 wrote to memory of 532	1620	obizx.exe	obizx.exe
PID 1268 wrote to memory of 1520	1268	Explorer.EXE	msiexec.exe
PID 1268 wrote to memory of 1520	1268	Explorer.EXE	msiexec.exe
PID 1268 wrote to memory of 1520	1268	Explorer.EXE	msiexec.exe
PID 1268 wrote to memory of 1520	1268	Explorer.EXE	msiexec.exe
PID 1268 wrote to memory of 1520	1268	Explorer.EXE	msiexec.exe
PID 1268 wrote to memory of 1520	1268	Explorer.EXE	msiexec.exe
PID 1268 wrote to memory of 1520	1268	Explorer.EXE	msiexec.exe
PID 1520 wrote to memory of 600	1520	msiexec.exe	cmd.exe
PID 1520 wrote to memory of 600	1520	msiexec.exe	cmd.exe
PID 1520 wrote to memory of 600	1520	msiexec.exe	cmd.exe
PID 1520 wrote to memory of 600	1520	msiexec.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:1268

C:\Users\Admin\AppData\Local\Temp\obizx.exe
"C:\Users\Admin\AppData\Local\Temp\obizx.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1620

C:\Users\Admin\AppData\Local\Temp\obizx.exe
"C:\Users\Admin\AppData\Local\Temp\obizx.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:532

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1520

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\obizx.exe"
3⤵
- Deletes itself
PID:600

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/532-65-0x00000000009D0000-0x0000000000CD3000-memory.dmp

Filesize
3.0MB

Download
memory/532-66-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/532-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/532-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/532-63-0x000000000041F0C0-mapping.dmp

Download
memory/532-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/600-73-0x0000000000000000-mapping.dmp

Download
memory/1268-75-0x0000000007C90000-0x0000000007D82000-memory.dmp

Filesize
968KB

Download
memory/1268-67-0x0000000006930000-0x0000000006A0D000-memory.dmp

Filesize
884KB

Download
memory/1520-68-0x0000000000000000-mapping.dmp

Download
memory/1520-71-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/1520-72-0x0000000002260000-0x0000000002563000-memory.dmp

Filesize
3.0MB

Download
memory/1520-70-0x00000000005B0000-0x00000000005C4000-memory.dmp

Filesize
80KB

Download
memory/1520-74-0x0000000001F90000-0x0000000002023000-memory.dmp

Filesize
588KB

Download
memory/1620-59-0x0000000004F40000-0x0000000004F90000-memory.dmp

Filesize
320KB

Download
memory/1620-58-0x0000000000570000-0x0000000000577000-memory.dmp

Filesize
28KB

Download
memory/1620-54-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/1620-57-0x0000000004B10000-0x0000000004B11000-memory.dmp

Filesize
4KB

Download
memory/1620-56-0x0000000074A41000-0x0000000074A43000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads