formbook | c0f5e01dded221a720c2173447e936c1e1148928016187fa4e8ac8e3a087b4ee

General

Target

Re.offer.exe
Size

955KB
MD5

ec7499d16283df35c151934692cf0719
SHA1

82a9a351185b4c6e16886099391f2fd95ad76bee
SHA256

c0f5e01dded221a720c2173447e936c1e1148928016187fa4e8ac8e3a087b4ee
SHA512

3088706e05661ae9251610eeb0101accd8475b1b4221f999c9309fd4a19fb16ca5b1ccd508b08774f9ee76e071eee787d8e3e900554cdad64bb247903cf50bba
SSDEEP

12288:TX2iNahLuyAHmKMvYAssnMmTDCS9Mc0phHZ+5nFYRgW7sZ8zk1tKNds/:TX1MhLuyybMvYA/n7CSg5+4R7Dzkv

Score

10^/10

formbook ng04 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ng04

Decoy

tevimaq.com

easterspecialtystore.com

smartlever.tech

10312.uk

tanjawiharbi.co.uk

471338.com

horusventure.com

empress-care.com

sinrian.com

465951.com

aemsti.com

nxcourier.com

stargatefarms.com

lalyquainvestment.com

dailysportsadvice.com

justlistmoore.com

stoneonroll.online

tatianakolomiets.com

barcodebbm.com

protectorship.world

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/2388-141-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2388-143-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2036-149-0x0000000000E90000-0x0000000000EBF000-memory.dmp	formbook
behavioral2/memory/2036-155-0x0000000000E90000-0x0000000000EBF000-memory.dmp	formbook

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{C27B5D9B-90AB-4454-A30A-551562397A05}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{CB0FAAC2-3AB2-4635-B77D-2685DBAEB6BC}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Re.offer.exeRe.offer.exesvchost.exe

description	pid	process	target process
PID 2980 set thread context of 2388	2980	Re.offer.exe	Re.offer.exe
PID 2388 set thread context of 3004	2388	Re.offer.exe	Explorer.EXE
PID 2036 set thread context of 3004	2036	svchost.exe	Explorer.EXE

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

Re.offer.exeRe.offer.exesvchost.exe

pid	process
2980	Re.offer.exe
2980	Re.offer.exe
2980	Re.offer.exe
2980	Re.offer.exe
2388	Re.offer.exe
2388	Re.offer.exe
2388	Re.offer.exe
2388	Re.offer.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe
2036	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3004 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Re.offer.exesvchost.exe

pid process

2388 Re.offer.exe
2388 Re.offer.exe
2388 Re.offer.exe
2036 svchost.exe
2036 svchost.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Re.offer.exeRe.offer.exesvchost.exe

description pid process

Token: SeDebugPrivilege 2980 Re.offer.exe
Token: SeDebugPrivilege 2388 Re.offer.exe
Token: SeDebugPrivilege 2036 svchost.exe

pid	process
3004	Explorer.EXE

pid	process
2388	Re.offer.exe
2388	Re.offer.exe
2388	Re.offer.exe
2036	svchost.exe
2036	svchost.exe

description	pid	process
Token: SeDebugPrivilege	2980	Re.offer.exe
Token: SeDebugPrivilege	2388	Re.offer.exe
Token: SeDebugPrivilege	2036	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

Re.offer.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 2980 wrote to memory of 3020	2980	Re.offer.exe	Re.offer.exe
PID 2980 wrote to memory of 3020	2980	Re.offer.exe	Re.offer.exe
PID 2980 wrote to memory of 3020	2980	Re.offer.exe	Re.offer.exe
PID 2980 wrote to memory of 768	2980	Re.offer.exe	Re.offer.exe
PID 2980 wrote to memory of 768	2980	Re.offer.exe	Re.offer.exe
PID 2980 wrote to memory of 768	2980	Re.offer.exe	Re.offer.exe
PID 2980 wrote to memory of 2388	2980	Re.offer.exe	Re.offer.exe
PID 2980 wrote to memory of 2388	2980	Re.offer.exe	Re.offer.exe
PID 2980 wrote to memory of 2388	2980	Re.offer.exe	Re.offer.exe
PID 2980 wrote to memory of 2388	2980	Re.offer.exe	Re.offer.exe
PID 2980 wrote to memory of 2388	2980	Re.offer.exe	Re.offer.exe
PID 2980 wrote to memory of 2388	2980	Re.offer.exe	Re.offer.exe
PID 3004 wrote to memory of 2036	3004	Explorer.EXE	svchost.exe
PID 3004 wrote to memory of 2036	3004	Explorer.EXE	svchost.exe
PID 3004 wrote to memory of 2036	3004	Explorer.EXE	svchost.exe
PID 2036 wrote to memory of 4384	2036	svchost.exe	cmd.exe
PID 2036 wrote to memory of 4384	2036	svchost.exe	cmd.exe
PID 2036 wrote to memory of 4384	2036	svchost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3004

C:\Users\Admin\AppData\Local\Temp\Re.offer.exe
"C:\Users\Admin\AppData\Local\Temp\Re.offer.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2980

C:\Users\Admin\AppData\Local\Temp\Re.offer.exe
"C:\Users\Admin\AppData\Local\Temp\Re.offer.exe"
3⤵
PID:3020

C:\Users\Admin\AppData\Local\Temp\Re.offer.exe
"C:\Users\Admin\AppData\Local\Temp\Re.offer.exe"
3⤵
PID:768

C:\Users\Admin\AppData\Local\Temp\Re.offer.exe
"C:\Users\Admin\AppData\Local\Temp\Re.offer.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2388

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:3084

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Re.offer.exe"
3⤵
PID:4384

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:1316

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/768-139-0x0000000000000000-mapping.dmp

Download
memory/2036-155-0x0000000000E90000-0x0000000000EBF000-memory.dmp

Filesize
188KB

Download
memory/2036-153-0x0000000001800000-0x0000000001894000-memory.dmp

Filesize
592KB

Download
memory/2036-151-0x0000000001900000-0x0000000001C4A000-memory.dmp

Filesize
3.3MB

Download
memory/2036-148-0x0000000000570000-0x000000000057E000-memory.dmp

Filesize
56KB

Download
memory/2036-149-0x0000000000E90000-0x0000000000EBF000-memory.dmp

Filesize
188KB

Download
memory/2036-147-0x0000000000000000-mapping.dmp

Download
memory/2388-145-0x0000000001AC0000-0x0000000001AD5000-memory.dmp

Filesize
84KB

Download
memory/2388-140-0x0000000000000000-mapping.dmp

Download
memory/2388-141-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2388-143-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2388-144-0x00000000015C0000-0x000000000190A000-memory.dmp

Filesize
3.3MB

Download
memory/2980-136-0x000000000AFB0000-0x000000000B04C000-memory.dmp

Filesize
624KB

Download
memory/2980-137-0x000000000B150000-0x000000000B1B6000-memory.dmp

Filesize
408KB

Download
memory/2980-132-0x0000000000620000-0x0000000000716000-memory.dmp

Filesize
984KB

Download
memory/2980-135-0x00000000050A0000-0x00000000050AA000-memory.dmp

Filesize
40KB

Download
memory/2980-134-0x0000000005130000-0x00000000051C2000-memory.dmp

Filesize
584KB

Download
memory/2980-133-0x0000000005640000-0x0000000005BE4000-memory.dmp

Filesize
5.6MB

Download
memory/3004-146-0x00000000036A0000-0x000000000380C000-memory.dmp

Filesize
1.4MB

Download
memory/3004-152-0x00000000036A0000-0x000000000380C000-memory.dmp

Filesize
1.4MB

Download
memory/3004-154-0x00000000034F0000-0x000000000358F000-memory.dmp

Filesize
636KB

Download
memory/3004-156-0x00000000034F0000-0x000000000358F000-memory.dmp

Filesize
636KB

Download
memory/3020-138-0x0000000000000000-mapping.dmp

Download
memory/4384-150-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads