formbook | 502f5ca3567e3c23c443376a14c0e4e86ec453e37696f12d723aab77e332a46e

General

Target

tmp.exe
Size

6KB
MD5

d2b6ec246c1627c4eff844ec15de05b2
SHA1

252ed9f325c178cc4e054fbbad59b68e27728439
SHA256

502f5ca3567e3c23c443376a14c0e4e86ec453e37696f12d723aab77e332a46e
SHA512

e6c07de510ffc22447fd76b77c41631a6d060c3b2d4971ef8cd92260c9f69842b8e621bb7c28a29ebf3960bf61e26c6b3107b97eebcdb738b1bdb853c913d2ac
SSDEEP

48:6N/UH4k/Hlw2u9h3rlJ4ff1DIMQrYhJp6LOQDhRW4xyiXiiVcqBHfOulVt+hXuFW:Qkq5h334fd44JshRW4hieckRNkuzNt

Score

10^/10

formbook do25 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

do25

Decoy

nickifarina.site

nfptrwge.bar

nobreemporio.com

split-acres.com

sharingservice-act.com

nakedinktees.shop

zhensheng1988.com

ipiton.com

liftoffdigitalmarketing.com

karen.cool

theprotestantchurch.com

shirhadarr.com

azdtwp.com

comzestdent.com

jnsjh.com

in-heat-cool.com

dfefej.top

tumingchun.com

eisei-shouji.tokyo

sparecreeping.com

Signatures

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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1520-146-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1520-152-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3312-156-0x00000000004C0000-0x00000000004EF000-memory.dmp	formbook
behavioral2/memory/3312-158-0x00000000004C0000-0x00000000004EF000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

tmp.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation tmp.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	tmp.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

tmp.exetmp.exehelp.exe

description	pid	process	target process
PID 4628 set thread context of 1520	4628	tmp.exe	tmp.exe
PID 1520 set thread context of 3064	1520	tmp.exe	Explorer.EXE
PID 3312 set thread context of 3064	3312	help.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 56 IoCs

Processes:

powershell.exetmp.exetmp.exehelp.exe

pid	process
3188	powershell.exe
3188	powershell.exe
4628	tmp.exe
4628	tmp.exe
1520	tmp.exe
1520	tmp.exe
1520	tmp.exe
1520	tmp.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe
3312	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3064 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

tmp.exehelp.exe

pid process

1520 tmp.exe
1520 tmp.exe
1520 tmp.exe
3312 help.exe
3312 help.exe

pid	process
3064	Explorer.EXE

pid	process
1520	tmp.exe
1520	tmp.exe
1520	tmp.exe
3312	help.exe
3312	help.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

tmp.exepowershell.exetmp.exehelp.exe

description	pid	process
Token: SeDebugPrivilege	4628	tmp.exe
Token: SeDebugPrivilege	3188	powershell.exe
Token: SeDebugPrivilege	1520	tmp.exe
Token: SeDebugPrivilege	3312	help.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

tmp.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 4628 wrote to memory of 3188	4628	tmp.exe	powershell.exe
PID 4628 wrote to memory of 3188	4628	tmp.exe	powershell.exe
PID 4628 wrote to memory of 3188	4628	tmp.exe	powershell.exe
PID 4628 wrote to memory of 4576	4628	tmp.exe	tmp.exe
PID 4628 wrote to memory of 4576	4628	tmp.exe	tmp.exe
PID 4628 wrote to memory of 4576	4628	tmp.exe	tmp.exe
PID 4628 wrote to memory of 1520	4628	tmp.exe	tmp.exe
PID 4628 wrote to memory of 1520	4628	tmp.exe	tmp.exe
PID 4628 wrote to memory of 1520	4628	tmp.exe	tmp.exe
PID 4628 wrote to memory of 1520	4628	tmp.exe	tmp.exe
PID 4628 wrote to memory of 1520	4628	tmp.exe	tmp.exe
PID 4628 wrote to memory of 1520	4628	tmp.exe	tmp.exe
PID 3064 wrote to memory of 3312	3064	Explorer.EXE	help.exe
PID 3064 wrote to memory of 3312	3064	Explorer.EXE	help.exe
PID 3064 wrote to memory of 3312	3064	Explorer.EXE	help.exe
PID 3312 wrote to memory of 3328	3312	help.exe	cmd.exe
PID 3312 wrote to memory of 3328	3312	help.exe	cmd.exe
PID 3312 wrote to memory of 3328	3312	help.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4628

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3188

C:\Users\Admin\AppData\Local\Temp\tmp.exe
C:\Users\Admin\AppData\Local\Temp\tmp.exe
2⤵
PID:4576

C:\Users\Admin\AppData\Local\Temp\tmp.exe
C:\Users\Admin\AppData\Local\Temp\tmp.exe
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1520

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3064

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3312

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
3⤵
PID:3328

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1520-145-0x0000000000000000-mapping.dmp

Download
memory/1520-152-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1520-149-0x0000000000B90000-0x0000000000BA4000-memory.dmp

Filesize
80KB

Download
memory/1520-148-0x00000000011E0000-0x000000000152A000-memory.dmp

Filesize
3.3MB

Download
memory/1520-146-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3064-160-0x0000000008280000-0x00000000083E0000-memory.dmp

Filesize
1.4MB

Download
memory/3064-159-0x0000000008280000-0x00000000083E0000-memory.dmp

Filesize
1.4MB

Download
memory/3064-150-0x00000000078E0000-0x0000000007A2D000-memory.dmp

Filesize
1.3MB

Download
memory/3188-139-0x0000000005870000-0x00000000058D6000-memory.dmp

Filesize
408KB

Download
memory/3188-136-0x0000000000000000-mapping.dmp

Download
memory/3188-142-0x00000000077B0000-0x0000000007E2A000-memory.dmp

Filesize
6.5MB

Download
memory/3188-143-0x0000000006450000-0x000000000646A000-memory.dmp

Filesize
104KB

Download
memory/3188-141-0x0000000005F50000-0x0000000005F6E000-memory.dmp

Filesize
120KB

Download
memory/3188-140-0x0000000005900000-0x0000000005966000-memory.dmp

Filesize
408KB

Download
memory/3188-137-0x0000000002970000-0x00000000029A6000-memory.dmp

Filesize
216KB

Download
memory/3188-138-0x00000000050C0000-0x00000000056E8000-memory.dmp

Filesize
6.2MB

Download
memory/3312-151-0x0000000000000000-mapping.dmp

Download
memory/3312-153-0x00000000000B0000-0x00000000000B7000-memory.dmp

Filesize
28KB

Download
memory/3312-156-0x00000000004C0000-0x00000000004EF000-memory.dmp

Filesize
188KB

Download
memory/3312-154-0x0000000000CB0000-0x0000000000FFA000-memory.dmp

Filesize
3.3MB

Download
memory/3312-157-0x0000000000A20000-0x0000000000AB3000-memory.dmp

Filesize
588KB

Download
memory/3312-158-0x00000000004C0000-0x00000000004EF000-memory.dmp

Filesize
188KB

Download
memory/3328-155-0x0000000000000000-mapping.dmp

Download
memory/4576-144-0x0000000000000000-mapping.dmp

Download
memory/4628-132-0x0000000000470000-0x0000000000478000-memory.dmp

Filesize
32KB

Download
memory/4628-135-0x0000000005B80000-0x0000000005BA2000-memory.dmp

Filesize
136KB

Download
memory/4628-134-0x0000000006100000-0x00000000066A4000-memory.dmp

Filesize
5.6MB

Download
memory/4628-133-0x0000000005AB0000-0x0000000005B42000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads