formbook | 328ba91220f66fb35b757598b5d7a492ac352406300003a86fb366360d4fcf09

General

Target

1.exe
Size

184KB
MD5

a07af50447cdcd3e6171b274894c0067
SHA1

d6a4a04a1472104d224a0fb46c204e3cc44e264e
SHA256

328ba91220f66fb35b757598b5d7a492ac352406300003a86fb366360d4fcf09
SHA512

eae45defc6965660eed2a2b8778b9b1125b10e331623ed29bccdfcb18b18a03bf8b0ff0f420df3affd3d6d1de5229c4fa981e8b42d9ef714a9e6e911e6b9d56e

Score

10^/10

formbook n7ak rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

C2

http://www.kmresults.com/n7ak/

Decoy

modischoolcbse.com

theneverwinter.com

rszkjx-vps-hosting.website

fnihil.com

1pbet.com

nnowzscorrez.com

uaotgvjl.icu

starmapsqatar.com

ekisilani.com

extradeepsheets.com

jam-nins.com

buranly.com

orixentertainment.com

rawtech.energy

myol.guru

utex.club

jiapie.com

wowig.store

wweidlyyl.com

systaskautomation.com

Signatures

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

Formbook Payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1184-66-0x0000000000090000-0x00000000000BE000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

msiexec.exe

flow pid process

14 1184 msiexec.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

524 cmd.exe

flow	pid	process
14	1184	msiexec.exe

pid	process
524	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

1.exemsiexec.exe

description	pid	process	target process
PID 1208 set thread context of 1272	1208	1.exe	Explorer.EXE
PID 1184 set thread context of 1272	1184	msiexec.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

1.exemsiexec.exe

pid	process
1208	1.exe
1208	1.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe
1184	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1272 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

1.exemsiexec.exe

pid process

1208 1.exe
1208 1.exe
1208 1.exe
1184 msiexec.exe
1184 msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 1208 1.exe
Token: SeDebugPrivilege 1184 msiexec.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1272 Explorer.EXE
1272 Explorer.EXE
1272 Explorer.EXE
1272 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1272 Explorer.EXE
1272 Explorer.EXE
1272 Explorer.EXE
1272 Explorer.EXE

pid	process
1272	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1208	1.exe
Token: SeDebugPrivilege	1184	msiexec.exe

pid	process
1272	Explorer.EXE
1272	Explorer.EXE
1272	Explorer.EXE
1272	Explorer.EXE

pid	process
1272	Explorer.EXE
1272	Explorer.EXE
1272	Explorer.EXE
1272	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Explorer.EXEmsiexec.exe

description	pid	process	target process
PID 1272 wrote to memory of 1184	1272	Explorer.EXE	msiexec.exe
PID 1272 wrote to memory of 1184	1272	Explorer.EXE	msiexec.exe
PID 1272 wrote to memory of 1184	1272	Explorer.EXE	msiexec.exe
PID 1272 wrote to memory of 1184	1272	Explorer.EXE	msiexec.exe
PID 1272 wrote to memory of 1184	1272	Explorer.EXE	msiexec.exe
PID 1272 wrote to memory of 1184	1272	Explorer.EXE	msiexec.exe
PID 1272 wrote to memory of 1184	1272	Explorer.EXE	msiexec.exe
PID 1184 wrote to memory of 524	1184	msiexec.exe	cmd.exe
PID 1184 wrote to memory of 524	1184	msiexec.exe	cmd.exe
PID 1184 wrote to memory of 524	1184	msiexec.exe	cmd.exe
PID 1184 wrote to memory of 524	1184	msiexec.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1272

C:\Users\Admin\AppData\Local\Temp\1.exe
"C:\Users\Admin\AppData\Local\Temp\1.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1208

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1184

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\1.exe"
3⤵
- Deletes itself
PID:524

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/524-68-0x0000000000000000-mapping.dmp

Download
memory/1184-63-0x0000000000000000-mapping.dmp

Download
memory/1184-64-0x0000000076281000-0x0000000076283000-memory.dmp

Filesize
8KB

Download
memory/1184-65-0x0000000000620000-0x0000000000634000-memory.dmp

Filesize
80KB

Download
memory/1184-66-0x0000000000090000-0x00000000000BE000-memory.dmp

Filesize
184KB

Download
memory/1184-67-0x0000000002160000-0x0000000002463000-memory.dmp

Filesize
3.0MB

Download
memory/1184-69-0x0000000000AD0000-0x0000000000B63000-memory.dmp

Filesize
588KB

Download
memory/1208-61-0x0000000000280000-0x0000000000294000-memory.dmp

Filesize
80KB

Download
memory/1208-60-0x00000000007C0000-0x0000000000AC3000-memory.dmp

Filesize
3.0MB

Download
memory/1272-62-0x00000000064F0000-0x000000000668D000-memory.dmp

Filesize
1.6MB

Download
memory/1272-70-0x0000000008050000-0x00000000081E1000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads