formbook | 2e97b44ed1f81f82a8f4cabbb3745d8dfad093b214d18059b860d545af8ec976

General

Target

Payment advice.exe
Size

1.6MB
MD5

82816953c8ab81cab088fe61e1d64789
SHA1

36191f22e133db1ee5bb747e47098d039366e0a4
SHA256

955a1caeb560cf3f1db7d818eb00b8dd0a661c53b499460a55454d686f7481d1
SHA512

a13a11ee08c715fab51897bd2410b83bf25d4fa8e7546c179c1b8bd00fd211eb423dcd2092a3d56224a8bdc0c50c610a95f0328341fbead1f6ca18ada2d3b8d8

Score

10^/10

formbook rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.yjhlgg.com/grve/

Decoy

jrvinganimalexterminator.com

smallsyalls.com

po1c3.com

mencg.com

aussieenjoyment.today

espace22.com

aanmelding-desk.info

gallopshoes.com

nftsexy.com

ricosdulcesmexicanos.com

riseswift.com

thechicthirty.com

matdcg.com

alternet.today

creativehuesdesigns.com

rjkcrafts.com

lowdosemortgage.com

adoptahamster.com

wellness-sense.com

jacardcapital.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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3152-125-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/3152-126-0x000000000041EAF0-mapping.dmp	formbook
behavioral2/memory/3940-134-0x0000000002CC0000-0x0000000002CEE000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

Processes:

Payment advice.exePayment advice.exewlanext.exe

description	pid	process	target process
PID 3172 set thread context of 3152	3172	Payment advice.exe	Payment advice.exe
PID 3152 set thread context of 3052	3152	Payment advice.exe	Explorer.EXE
PID 3152 set thread context of 3052	3152	Payment advice.exe	Explorer.EXE
PID 3940 set thread context of 3052	3940	wlanext.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 32 IoCs

Processes:

Payment advice.exewlanext.exe

pid	process
3152	Payment advice.exe
3152	Payment advice.exe
3152	Payment advice.exe
3152	Payment advice.exe
3152	Payment advice.exe
3152	Payment advice.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe
3940	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3052 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Payment advice.exewlanext.exe

pid process

3152 Payment advice.exe
3152 Payment advice.exe
3152 Payment advice.exe
3152 Payment advice.exe
3940 wlanext.exe
3940 wlanext.exe

pid	process
3052	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Payment advice.exePayment advice.exewlanext.exe

description	pid	process
Token: SeDebugPrivilege	3172	Payment advice.exe
Token: SeDebugPrivilege	3152	Payment advice.exe
Token: SeDebugPrivilege	3940	wlanext.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Payment advice.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 3172 wrote to memory of 3152	3172	Payment advice.exe	Payment advice.exe
PID 3172 wrote to memory of 3152	3172	Payment advice.exe	Payment advice.exe
PID 3172 wrote to memory of 3152	3172	Payment advice.exe	Payment advice.exe
PID 3172 wrote to memory of 3152	3172	Payment advice.exe	Payment advice.exe
PID 3172 wrote to memory of 3152	3172	Payment advice.exe	Payment advice.exe
PID 3172 wrote to memory of 3152	3172	Payment advice.exe	Payment advice.exe
PID 3052 wrote to memory of 3940	3052	Explorer.EXE	wlanext.exe
PID 3052 wrote to memory of 3940	3052	Explorer.EXE	wlanext.exe
PID 3052 wrote to memory of 3940	3052	Explorer.EXE	wlanext.exe
PID 3940 wrote to memory of 1516	3940	wlanext.exe	cmd.exe
PID 3940 wrote to memory of 1516	3940	wlanext.exe	cmd.exe
PID 3940 wrote to memory of 1516	3940	wlanext.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3052

C:\Users\Admin\AppData\Local\Temp\Payment advice.exe
"C:\Users\Admin\AppData\Local\Temp\Payment advice.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3172

C:\Users\Admin\AppData\Local\Temp\Payment advice.exe
"C:\Users\Admin\AppData\Local\Temp\Payment advice.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3152

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3940

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Payment advice.exe"
3⤵
PID:1516

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1516-135-0x0000000000000000-mapping.dmp

Download
memory/3052-138-0x0000000005E30000-0x0000000005ED7000-memory.dmp

Filesize
668KB

Download
memory/3052-131-0x0000000002AE0000-0x0000000002BA7000-memory.dmp

Filesize
796KB

Download
memory/3052-128-0x0000000005F50000-0x00000000060BD000-memory.dmp

Filesize
1.4MB

Download
memory/3152-125-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3152-130-0x00000000012F0000-0x0000000001304000-memory.dmp

Filesize
80KB

Download
memory/3152-129-0x00000000012B0000-0x00000000012C4000-memory.dmp

Filesize
80KB

Download
memory/3152-127-0x0000000001330000-0x0000000001650000-memory.dmp

Filesize
3.1MB

Download
memory/3152-126-0x000000000041EAF0-mapping.dmp

Download
memory/3172-121-0x00000000054E0000-0x000000000557C000-memory.dmp

Filesize
624KB

Download
memory/3172-118-0x0000000005620000-0x0000000005621000-memory.dmp

Filesize
4KB

Download
memory/3172-123-0x0000000001490000-0x0000000001505000-memory.dmp

Filesize
468KB

Download
memory/3172-122-0x0000000005010000-0x000000000503D000-memory.dmp

Filesize
180KB

Download
memory/3172-114-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

Filesize
4KB

Download
memory/3172-120-0x0000000005810000-0x0000000005811000-memory.dmp

Filesize
4KB

Download
memory/3172-119-0x0000000005560000-0x0000000005561000-memory.dmp

Filesize
4KB

Download
memory/3172-124-0x0000000001510000-0x0000000001540000-memory.dmp

Filesize
192KB

Download
memory/3172-116-0x0000000005580000-0x0000000005581000-memory.dmp

Filesize
4KB

Download
memory/3172-117-0x0000000005BD0000-0x0000000005BD1000-memory.dmp

Filesize
4KB

Download
memory/3940-134-0x0000000002CC0000-0x0000000002CEE000-memory.dmp

Filesize
184KB

Download
memory/3940-133-0x0000000000C10000-0x0000000000C27000-memory.dmp

Filesize
92KB

Download
memory/3940-136-0x0000000003000000-0x000000000314A000-memory.dmp

Filesize
1.3MB

Download
memory/3940-137-0x0000000003400000-0x0000000003493000-memory.dmp

Filesize
588KB

Download
memory/3940-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads