formbook | ea03c34322299aafb7f2c7b442ff7f4a661ea952bddb76b83a1c274460eb45a5

General

Target

new order.exe
Size

506KB
MD5

42d37691292ac45ed40d57c76b335cd5
SHA1

9b7e5e7d353cab9c42edb33a060f9d91200192f9
SHA256

ea03c34322299aafb7f2c7b442ff7f4a661ea952bddb76b83a1c274460eb45a5
SHA512

8a3f2b7b8b3f6235637a4c8839998fe3cdb27376c086f1ea9a8d4146b020d7426efeb38e68d415686b63f5ff7a27b8ec6a17fc22ef37e79b21271225114b7c27

Score

10^/10

formbook jy0b rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

jy0b

C2

http://www.filecrev.com/jy0b/

Decoy

lamejorimagen.com

mykabukibrush.com

modgon.com

barefoottherapeutics.com

shimpeg.net

trade-sniper.com

chiangkhancityhotel.com

joblessmoni.club

stespritsubways.com

chico-group.com

nni8.xyz

searchtypically.online

jobsyork.com

bestsales-crypto.com

iqmarketing.info

bullcityphotobooths.com

fwssc.icu

1oc87s.icu

usdiesel.xyz

secrets2optimumnutrition.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3972-119-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3972-120-0x000000000041F150-mapping.dmp	formbook
behavioral2/memory/4088-127-0x0000000000A20000-0x0000000000A4F000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

Processes:

new order.exe

pid process

516 new order.exe

pid	process
516	new order.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

new order.exenew order.execmmon32.exe

description	pid	process	target process
PID 516 set thread context of 3972	516	new order.exe	new order.exe
PID 3972 set thread context of 2716	3972	new order.exe	Explorer.EXE
PID 4088 set thread context of 2716	4088	cmmon32.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 60 IoCs

Processes:

new order.execmmon32.exe

pid	process
3972	new order.exe
3972	new order.exe
3972	new order.exe
3972	new order.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe
4088	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2716 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

new order.execmmon32.exe

pid process

3972 new order.exe
3972 new order.exe
3972 new order.exe
4088 cmmon32.exe
4088 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

new order.execmmon32.exe

description pid process

Token: SeDebugPrivilege 3972 new order.exe
Token: SeDebugPrivilege 4088 cmmon32.exe

pid	process
2716	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	3972	new order.exe
Token: SeDebugPrivilege	4088	cmmon32.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

new order.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 516 wrote to memory of 3972	516	new order.exe	new order.exe
PID 516 wrote to memory of 3972	516	new order.exe	new order.exe
PID 516 wrote to memory of 3972	516	new order.exe	new order.exe
PID 516 wrote to memory of 3972	516	new order.exe	new order.exe
PID 516 wrote to memory of 3972	516	new order.exe	new order.exe
PID 516 wrote to memory of 3972	516	new order.exe	new order.exe
PID 2716 wrote to memory of 4088	2716	Explorer.EXE	cmmon32.exe
PID 2716 wrote to memory of 4088	2716	Explorer.EXE	cmmon32.exe
PID 2716 wrote to memory of 4088	2716	Explorer.EXE	cmmon32.exe
PID 4088 wrote to memory of 4228	4088	cmmon32.exe	cmd.exe
PID 4088 wrote to memory of 4228	4088	cmmon32.exe	cmd.exe
PID 4088 wrote to memory of 4228	4088	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2716

C:\Users\Admin\AppData\Local\Temp\new order.exe
"C:\Users\Admin\AppData\Local\Temp\new order.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:516

C:\Users\Admin\AppData\Local\Temp\new order.exe
"C:\Users\Admin\AppData\Local\Temp\new order.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3972

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4088

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\new order.exe"
3⤵
PID:4228

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsgA097.tmp\jagzgkp.dll
MD5
1d837eefac21fec00909dbfb5b56a513

SHA1
40ff5b73d8d69305cb6c1dc4b57f1cd0c7e7b429

SHA256
02311063d33ba8efdde6229dfa0759e6d4ae6daa41bc560ccc5e61a032fe42bf

SHA512
7d0997201bfb60fc6a2b61fb16cfe25d784ec723aa84f4b3c339d40fe887f2668a08525bf81acd992f47b67c2416ecf5331b7a63cfa503b39bae805aab39643b

Download Submit
memory/2716-131-0x0000000005FB0000-0x00000000060BC000-memory.dmp

Filesize
1.0MB

Download
memory/2716-124-0x0000000005D30000-0x0000000005E8B000-memory.dmp

Filesize
1.4MB

Download
memory/3972-119-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3972-120-0x000000000041F150-mapping.dmp

Download
memory/3972-123-0x00000000008E0000-0x00000000008F4000-memory.dmp

Filesize
80KB

Download
memory/3972-122-0x0000000000990000-0x0000000000CB0000-memory.dmp

Filesize
3.1MB

Download
memory/4088-125-0x0000000000000000-mapping.dmp

Download
memory/4088-127-0x0000000000A20000-0x0000000000A4F000-memory.dmp

Filesize
188KB

Download
memory/4088-128-0x00000000049B0000-0x0000000004CD0000-memory.dmp

Filesize
3.1MB

Download
memory/4088-130-0x0000000004720000-0x00000000047B3000-memory.dmp

Filesize
588KB

Download
memory/4088-126-0x0000000000A60000-0x0000000000A6C000-memory.dmp

Filesize
48KB

Download
memory/4228-129-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads