formbook | 76a8adb73b3b2f0d94ae2fceb1fc4c6307c318f102fffa93fb353bf94b204d38

General

Target

OAa3nu595dA7afB.exe
Size

553KB
MD5

1823dce627d29f5d4985501267f7ad9f
SHA1

1ce10042fccf2c8fcb2b0a93723f24b6c3b4ffb3
SHA256

c14ba2023f89dc57df157690e40042b8b090906257c59b6e5834b2212cd3142e
SHA512

88421fa99979a5ed7d55a2dccffbb96af3e72539e5dba61bf7860d2321a2f79deb5e9aae65e3fb9e5a17998a60d87abbbdc7b0dc495c991b4a3813a2ef8edb72

Score

10^/10

formbook dn7r rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn7r

C2

http://www.yourherogarden.net/dn7r/

Decoy

eventphotographerdfw.com

thehalalcoinstaking.com

philipfaziofineart.com

intercoh.com

gaiaseyephotography.com

chatbotforrealestate.com

lovelancemg.com

marlieskasberger.com

elcongoenespanol.info

lepirecredit.com

distribution-concept.com

e99game.com

exit11festival.com

twodollartoothbrushclub.com

cocktailsandlawn.com

performimprove.network

24horas-telefono-11840.com

cosmossify.com

kellenleote.com

perovskite.energy

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/4020-124-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4020-125-0x000000000041F200-mapping.dmp	formbook
behavioral2/memory/1768-132-0x0000000002E50000-0x0000000002E7F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

OAa3nu595dA7afB.exeOAa3nu595dA7afB.exeexplorer.exe

description	pid	process	target process
PID 2116 set thread context of 4020	2116	OAa3nu595dA7afB.exe	OAa3nu595dA7afB.exe
PID 4020 set thread context of 3040	4020	OAa3nu595dA7afB.exe	Explorer.EXE
PID 1768 set thread context of 3040	1768	explorer.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

OAa3nu595dA7afB.exeexplorer.exe

pid	process
4020	OAa3nu595dA7afB.exe
4020	OAa3nu595dA7afB.exe
4020	OAa3nu595dA7afB.exe
4020	OAa3nu595dA7afB.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe
1768	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3040 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

OAa3nu595dA7afB.exeexplorer.exe

pid process

4020 OAa3nu595dA7afB.exe
4020 OAa3nu595dA7afB.exe
4020 OAa3nu595dA7afB.exe
1768 explorer.exe
1768 explorer.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

OAa3nu595dA7afB.exeexplorer.exe

description pid process

Token: SeDebugPrivilege 4020 OAa3nu595dA7afB.exe
Token: SeDebugPrivilege 1768 explorer.exe

pid	process
3040	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	4020	OAa3nu595dA7afB.exe
Token: SeDebugPrivilege	1768	explorer.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

OAa3nu595dA7afB.exeExplorer.EXEexplorer.exe

description	pid	process	target process
PID 2116 wrote to memory of 4020	2116	OAa3nu595dA7afB.exe	OAa3nu595dA7afB.exe
PID 2116 wrote to memory of 4020	2116	OAa3nu595dA7afB.exe	OAa3nu595dA7afB.exe
PID 2116 wrote to memory of 4020	2116	OAa3nu595dA7afB.exe	OAa3nu595dA7afB.exe
PID 2116 wrote to memory of 4020	2116	OAa3nu595dA7afB.exe	OAa3nu595dA7afB.exe
PID 2116 wrote to memory of 4020	2116	OAa3nu595dA7afB.exe	OAa3nu595dA7afB.exe
PID 2116 wrote to memory of 4020	2116	OAa3nu595dA7afB.exe	OAa3nu595dA7afB.exe
PID 3040 wrote to memory of 1768	3040	Explorer.EXE	explorer.exe
PID 3040 wrote to memory of 1768	3040	Explorer.EXE	explorer.exe
PID 3040 wrote to memory of 1768	3040	Explorer.EXE	explorer.exe
PID 1768 wrote to memory of 1680	1768	explorer.exe	cmd.exe
PID 1768 wrote to memory of 1680	1768	explorer.exe	cmd.exe
PID 1768 wrote to memory of 1680	1768	explorer.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3040

C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe
"C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2116

C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe
"C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4020

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1768

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe"
3⤵
PID:1680

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1680-133-0x0000000000000000-mapping.dmp

Download
memory/1768-130-0x0000000000000000-mapping.dmp

Download
memory/1768-135-0x0000000004A60000-0x0000000004AF4000-memory.dmp

Filesize
592KB

Download
memory/1768-134-0x0000000004BF0000-0x0000000004F10000-memory.dmp

Filesize
3.1MB

Download
memory/1768-131-0x0000000000360000-0x000000000079F000-memory.dmp

Filesize
4.2MB

Download
memory/1768-132-0x0000000002E50000-0x0000000002E7F000-memory.dmp

Filesize
188KB

Download
memory/2116-121-0x00000000053E0000-0x00000000053E5000-memory.dmp

Filesize
20KB

Download
memory/2116-119-0x0000000005210000-0x000000000570E000-memory.dmp

Filesize
5.0MB

Download
memory/2116-117-0x0000000005710000-0x0000000005711000-memory.dmp

Filesize
4KB

Download
memory/2116-118-0x0000000005210000-0x0000000005211000-memory.dmp

Filesize
4KB

Download
memory/2116-123-0x00000000075E0000-0x0000000007656000-memory.dmp

Filesize
472KB

Download
memory/2116-120-0x0000000005170000-0x0000000005171000-memory.dmp

Filesize
4KB

Download
memory/2116-115-0x00000000008D0000-0x00000000008D1000-memory.dmp

Filesize
4KB

Download
memory/2116-122-0x0000000007440000-0x0000000007441000-memory.dmp

Filesize
4KB

Download
memory/3040-129-0x0000000002AC0000-0x0000000002BB6000-memory.dmp

Filesize
984KB

Download
memory/3040-136-0x0000000002C40000-0x0000000002CE5000-memory.dmp

Filesize
660KB

Download
memory/4020-128-0x0000000001B00000-0x0000000001B15000-memory.dmp

Filesize
84KB

Download
memory/4020-126-0x00000000017A0000-0x0000000001AC0000-memory.dmp

Filesize
3.1MB

Download
memory/4020-125-0x000000000041F200-mapping.dmp

Download
memory/4020-124-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads