formbook | d87618f7840361408c1bd318a1977714dedc8b346684986842e0f32cdc94f758

General

Target

Bank. swift.11102021.exe
Size

838KB
MD5

ba1bc5ca8f81584f3c489ad509126ffa
SHA1

448c2ecfa8c9e6dee13117057b84d3a904976cba
SHA256

d87618f7840361408c1bd318a1977714dedc8b346684986842e0f32cdc94f758
SHA512

e5e0dd6c8e21b630bdce81995982db020399347e67ce9505a09fb2d1c6781fa6d49de45cc311756890ebf4896fc355c0e35f53ed1e84b306a4434ca84b685a60

Score

10^/10

formbook 3nop persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

C2

http://www.jakesplacebarbers.com/3nop/

Decoy

videohm.com

panache-rose.com

alnooncars-kw.com

trueblue2u.com

brussels-cafe.com

ip2c.net

influenzerr.com

rbcoq.com

zzful.com

drainthe.com

sumaholesson.com

cursosaprovados.com

genotecinc.com

dbrulhart.com

theapiarystudios.com

kensyu-kan.com

dkku88.com

tikhyper.com

aztecnort.com

homebrim.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/3400-120-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/3400-122-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral2/memory/3400-127-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral2/memory/2824-133-0x00000000032E0000-0x000000000330E000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Bank. swift.11102021.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run\Juvgirit = "C:\\Users\\Public\\tirigvuJ.url"	Bank. swift.11102021.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

mobsync.exesystray.exe

description	pid	process	target process
PID 3400 set thread context of 3056	3400	mobsync.exe	Explorer.EXE
PID 3400 set thread context of 3056	3400	mobsync.exe	Explorer.EXE
PID 2824 set thread context of 3056	2824	systray.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 54 IoCs

Processes:

mobsync.exesystray.exe

pid	process
3400	mobsync.exe
3400	mobsync.exe
3400	mobsync.exe
3400	mobsync.exe
3400	mobsync.exe
3400	mobsync.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe
2824	systray.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3056 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

mobsync.exesystray.exe

pid process

3400 mobsync.exe
3400 mobsync.exe
3400 mobsync.exe
3400 mobsync.exe
2824 systray.exe
2824 systray.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

mobsync.exesystray.exe

description pid process

Token: SeDebugPrivilege 3400 mobsync.exe
Token: SeDebugPrivilege 2824 systray.exe

pid	process
3056	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	3400	mobsync.exe
Token: SeDebugPrivilege	2824	systray.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Bank. swift.11102021.exeExplorer.EXEsystray.exe

description	pid	process	target process
PID 1580 wrote to memory of 3400	1580	Bank. swift.11102021.exe	mobsync.exe
PID 1580 wrote to memory of 3400	1580	Bank. swift.11102021.exe	mobsync.exe
PID 1580 wrote to memory of 3400	1580	Bank. swift.11102021.exe	mobsync.exe
PID 1580 wrote to memory of 3400	1580	Bank. swift.11102021.exe	mobsync.exe
PID 1580 wrote to memory of 3400	1580	Bank. swift.11102021.exe	mobsync.exe
PID 1580 wrote to memory of 3400	1580	Bank. swift.11102021.exe	mobsync.exe
PID 3056 wrote to memory of 2824	3056	Explorer.EXE	systray.exe
PID 3056 wrote to memory of 2824	3056	Explorer.EXE	systray.exe
PID 3056 wrote to memory of 2824	3056	Explorer.EXE	systray.exe
PID 2824 wrote to memory of 660	2824	systray.exe	cmd.exe
PID 2824 wrote to memory of 660	2824	systray.exe	cmd.exe
PID 2824 wrote to memory of 660	2824	systray.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\Bank. swift.11102021.exe
"C:\Users\Admin\AppData\Local\Temp\Bank. swift.11102021.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1580

C:\Windows\SysWOW64\mobsync.exe
C:\Windows\System32\mobsync.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3400

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:2712

C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2824

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\mobsync.exe"
3⤵
PID:660

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/660-131-0x0000000000000000-mapping.dmp

Download
memory/1580-119-0x0000000002431000-0x0000000002445000-memory.dmp

Filesize
80KB

Download
memory/1580-118-0x0000000002310000-0x0000000002311000-memory.dmp

Filesize
4KB

Download
memory/2824-130-0x0000000000000000-mapping.dmp

Download
memory/2824-135-0x0000000004C80000-0x0000000004D13000-memory.dmp

Filesize
588KB

Download
memory/2824-134-0x0000000004EF0000-0x0000000005210000-memory.dmp

Filesize
3.1MB

Download
memory/2824-133-0x00000000032E0000-0x000000000330E000-memory.dmp

Filesize
184KB

Download
memory/2824-132-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/3056-136-0x0000000006450000-0x00000000065A5000-memory.dmp

Filesize
1.3MB

Download
memory/3056-126-0x00000000025B0000-0x0000000002693000-memory.dmp

Filesize
908KB

Download
memory/3056-129-0x0000000005D40000-0x0000000005E7F000-memory.dmp

Filesize
1.2MB

Download
memory/3400-121-0x0000000002C20000-0x0000000002C21000-memory.dmp

Filesize
4KB

Download
memory/3400-128-0x0000000004A20000-0x0000000004A34000-memory.dmp

Filesize
80KB

Download
memory/3400-127-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/3400-125-0x00000000049E0000-0x00000000049F4000-memory.dmp

Filesize
80KB

Download
memory/3400-123-0x0000000004B10000-0x0000000004E30000-memory.dmp

Filesize
3.1MB

Download
memory/3400-122-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/3400-120-0x0000000000000000-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