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/2448-146-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2448-152-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2172-154-0x0000000000190000-0x00000000001BF000-memory.dmp	formbook
behavioral2/memory/2172-160-0x0000000000190000-0x00000000001BF000-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.execontrol.exe

description	pid	process	target process
PID 3144 set thread context of 2448	3144	tmp.exe	tmp.exe
PID 2448 set thread context of 3056	2448	tmp.exe	Explorer.EXE
PID 2172 set thread context of 3056	2172	control.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.execontrol.exe

pid	process
4428	powershell.exe
4428	powershell.exe
3144	tmp.exe
3144	tmp.exe
2448	tmp.exe
2448	tmp.exe
2448	tmp.exe
2448	tmp.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe
2172	control.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3056 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

tmp.execontrol.exe

pid process

2448 tmp.exe
2448 tmp.exe
2448 tmp.exe
2172 control.exe
2172 control.exe

pid	process
3056	Explorer.EXE

pid	process
2448	tmp.exe
2448	tmp.exe
2448	tmp.exe
2172	control.exe
2172	control.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

tmp.exepowershell.exetmp.execontrol.exe

description	pid	process
Token: SeDebugPrivilege	3144	tmp.exe
Token: SeDebugPrivilege	4428	powershell.exe
Token: SeDebugPrivilege	2448	tmp.exe
Token: SeDebugPrivilege	2172	control.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

tmp.exeExplorer.EXEcontrol.exe

description	pid	process	target process
PID 3144 wrote to memory of 4428	3144	tmp.exe	powershell.exe
PID 3144 wrote to memory of 4428	3144	tmp.exe	powershell.exe
PID 3144 wrote to memory of 4428	3144	tmp.exe	powershell.exe
PID 3144 wrote to memory of 2424	3144	tmp.exe	tmp.exe
PID 3144 wrote to memory of 2424	3144	tmp.exe	tmp.exe
PID 3144 wrote to memory of 2424	3144	tmp.exe	tmp.exe
PID 3144 wrote to memory of 2448	3144	tmp.exe	tmp.exe
PID 3144 wrote to memory of 2448	3144	tmp.exe	tmp.exe
PID 3144 wrote to memory of 2448	3144	tmp.exe	tmp.exe
PID 3144 wrote to memory of 2448	3144	tmp.exe	tmp.exe
PID 3144 wrote to memory of 2448	3144	tmp.exe	tmp.exe
PID 3144 wrote to memory of 2448	3144	tmp.exe	tmp.exe
PID 3056 wrote to memory of 2172	3056	Explorer.EXE	control.exe
PID 3056 wrote to memory of 2172	3056	Explorer.EXE	control.exe
PID 3056 wrote to memory of 2172	3056	Explorer.EXE	control.exe
PID 2172 wrote to memory of 4708	2172	control.exe	cmd.exe
PID 2172 wrote to memory of 4708	2172	control.exe	cmd.exe
PID 2172 wrote to memory of 4708	2172	control.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3056

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3144

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4428

C:\Users\Admin\AppData\Local\Temp\tmp.exe
C:\Users\Admin\AppData\Local\Temp\tmp.exe
3⤵
PID:2424

C:\Users\Admin\AppData\Local\Temp\tmp.exe
C:\Users\Admin\AppData\Local\Temp\tmp.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2448

C:\Windows\SysWOW64\control.exe
"C:\Windows\SysWOW64\control.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2172

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
3⤵
PID:4708

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/2172-160-0x0000000000190000-0x00000000001BF000-memory.dmp

Filesize
188KB

Download
memory/2172-158-0x00000000020D0000-0x0000000002163000-memory.dmp

Filesize
588KB

Download
memory/2172-155-0x00000000023A0000-0x00000000026EA000-memory.dmp

Filesize
3.3MB

Download
memory/2172-154-0x0000000000190000-0x00000000001BF000-memory.dmp

Filesize
188KB

Download
memory/2172-153-0x0000000000250000-0x0000000000277000-memory.dmp

Filesize
156KB

Download
memory/2172-151-0x0000000000000000-mapping.dmp

Download
memory/2424-144-0x0000000000000000-mapping.dmp

Download
memory/2448-146-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2448-145-0x0000000000000000-mapping.dmp

Download
memory/2448-148-0x00000000018D0000-0x0000000001C1A000-memory.dmp

Filesize
3.3MB

Download
memory/2448-149-0x00000000018B0000-0x00000000018C4000-memory.dmp

Filesize
80KB

Download
memory/2448-152-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3056-161-0x0000000007530000-0x00000000075F1000-memory.dmp

Filesize
772KB

Download
memory/3056-159-0x0000000007530000-0x00000000075F1000-memory.dmp

Filesize
772KB

Download
memory/3056-150-0x0000000008540000-0x000000000868A000-memory.dmp

Filesize
1.3MB

Download
memory/3056-157-0x0000000008540000-0x000000000868A000-memory.dmp

Filesize
1.3MB

Download
memory/3144-135-0x0000000006690000-0x00000000066B2000-memory.dmp

Filesize
136KB

Download
memory/3144-133-0x00000000065C0000-0x0000000006652000-memory.dmp

Filesize
584KB

Download
memory/3144-134-0x0000000006C10000-0x00000000071B4000-memory.dmp

Filesize
5.6MB

Download
memory/3144-132-0x0000000000F80000-0x0000000000F88000-memory.dmp

Filesize
32KB

Download
memory/4428-138-0x0000000004BF0000-0x0000000005218000-memory.dmp

Filesize
6.2MB

Download
memory/4428-136-0x0000000000000000-mapping.dmp

Download
memory/4428-137-0x0000000004480000-0x00000000044B6000-memory.dmp

Filesize
216KB

Download
memory/4428-140-0x0000000005410000-0x0000000005476000-memory.dmp

Filesize
408KB

Download
memory/4428-139-0x0000000005330000-0x0000000005396000-memory.dmp

Filesize
408KB

Download
memory/4428-143-0x0000000005F30000-0x0000000005F4A000-memory.dmp

Filesize
104KB

Download
memory/4428-142-0x0000000007470000-0x0000000007AEA000-memory.dmp

Filesize
6.5MB

Download
memory/4428-141-0x0000000005A20000-0x0000000005A3E000-memory.dmp

Filesize
120KB

Download
memory/4708-156-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads