formbook | 4acc0dbaeb63dfaa4815deac04d75aeb8e9741c6fa66a5b55b460a4b3cf2b9b1

General

Target

IZPnmcCu5EZWa98.exe
Size

594KB
MD5

a5a66a419e31b8a69cf1bd612ec6ffde
SHA1

a8e3a66fff21e337ada34998a717aaad0d323fc0
SHA256

e004e6798d1e44ac7f24a273eeb129c8dfe9e4522baeda0e6756ec5319b90af1
SHA512

9b797f22e6e1a030255adf506514ae3567fafc7853b5aa116a44bed0e63a62589cfe500cc84b98a62f10132fa14d2137da5c1622320433df71344bdad24faf93
SSDEEP

12288:+FIsPALdYGwUQkNVgnkLclbIDCTBr4TXzwgOAju:YIKtGEkNynD5IOTexTj

Score

10^/10

formbook dy13 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dy13

Decoy

manga-house.com

kjsdhklssk51.xyz

b0ba138.xyz

bt365033.com

ccbsinc.net

mrwine.xyz

nrxkrd527o.xyz

hoshi.social

1912ai.com

serco2020.com

byfchfyr.xyz

imuschestvostorgov.online

austinheafey.com

mrdfa.club

883106.photos

profitablefxmarkets.com

taini00.net

brye.top

ginsm.com

sportglid.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2644-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2644-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2644-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

IZPnmcCu5EZWa98.exeIZPnmcCu5EZWa98.exe

description	pid	process	target process
PID 2428 set thread context of 2644	2428	IZPnmcCu5EZWa98.exe	IZPnmcCu5EZWa98.exe
PID 2644 set thread context of 1264	2644	IZPnmcCu5EZWa98.exe	Explorer.EXE
PID 2644 set thread context of 1264	2644	IZPnmcCu5EZWa98.exe	Explorer.EXE

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1380 3000 WerFault.exe msiexec.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

IZPnmcCu5EZWa98.exe

pid process

2644 IZPnmcCu5EZWa98.exe
2644 IZPnmcCu5EZWa98.exe
2644 IZPnmcCu5EZWa98.exe
Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

IZPnmcCu5EZWa98.exe

pid process

2644 IZPnmcCu5EZWa98.exe
2644 IZPnmcCu5EZWa98.exe
2644 IZPnmcCu5EZWa98.exe
2644 IZPnmcCu5EZWa98.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

IZPnmcCu5EZWa98.exeExplorer.EXE

description pid process

Token: SeDebugPrivilege 2644 IZPnmcCu5EZWa98.exe
Token: SeShutdownPrivilege 1264 Explorer.EXE

pid	pid_target	process	target process
1380	3000	WerFault.exe	msiexec.exe

pid	process
2644	IZPnmcCu5EZWa98.exe
2644	IZPnmcCu5EZWa98.exe
2644	IZPnmcCu5EZWa98.exe

pid	process
2644	IZPnmcCu5EZWa98.exe
2644	IZPnmcCu5EZWa98.exe
2644	IZPnmcCu5EZWa98.exe
2644	IZPnmcCu5EZWa98.exe

description	pid	process
Token: SeDebugPrivilege	2644	IZPnmcCu5EZWa98.exe
Token: SeShutdownPrivilege	1264	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

IZPnmcCu5EZWa98.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 2428 wrote to memory of 2644	2428	IZPnmcCu5EZWa98.exe	IZPnmcCu5EZWa98.exe
PID 2428 wrote to memory of 2644	2428	IZPnmcCu5EZWa98.exe	IZPnmcCu5EZWa98.exe
PID 2428 wrote to memory of 2644	2428	IZPnmcCu5EZWa98.exe	IZPnmcCu5EZWa98.exe
PID 2428 wrote to memory of 2644	2428	IZPnmcCu5EZWa98.exe	IZPnmcCu5EZWa98.exe
PID 2428 wrote to memory of 2644	2428	IZPnmcCu5EZWa98.exe	IZPnmcCu5EZWa98.exe
PID 2428 wrote to memory of 2644	2428	IZPnmcCu5EZWa98.exe	IZPnmcCu5EZWa98.exe
PID 2428 wrote to memory of 2644	2428	IZPnmcCu5EZWa98.exe	IZPnmcCu5EZWa98.exe
PID 1264 wrote to memory of 3000	1264	Explorer.EXE	msiexec.exe
PID 1264 wrote to memory of 3000	1264	Explorer.EXE	msiexec.exe
PID 1264 wrote to memory of 3000	1264	Explorer.EXE	msiexec.exe
PID 1264 wrote to memory of 3000	1264	Explorer.EXE	msiexec.exe
PID 1264 wrote to memory of 3000	1264	Explorer.EXE	msiexec.exe
PID 1264 wrote to memory of 3000	1264	Explorer.EXE	msiexec.exe
PID 1264 wrote to memory of 3000	1264	Explorer.EXE	msiexec.exe
PID 3000 wrote to memory of 1380	3000	msiexec.exe	WerFault.exe
PID 3000 wrote to memory of 1380	3000	msiexec.exe	WerFault.exe
PID 3000 wrote to memory of 1380	3000	msiexec.exe	WerFault.exe
PID 3000 wrote to memory of 1380	3000	msiexec.exe	WerFault.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1264

C:\Users\Admin\AppData\Local\Temp\IZPnmcCu5EZWa98.exe
"C:\Users\Admin\AppData\Local\Temp\IZPnmcCu5EZWa98.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2428

C:\Users\Admin\AppData\Local\Temp\IZPnmcCu5EZWa98.exe
"C:\Users\Admin\AppData\Local\Temp\IZPnmcCu5EZWa98.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2644

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3000 -s 268
3⤵
- Program crash
PID:1380

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1264-31-0x0000000004FD0000-0x00000000050AA000-memory.dmp

Filesize
872KB

Download
memory/1264-29-0x0000000006CD0000-0x0000000006E2C000-memory.dmp

Filesize
1.4MB

Download
memory/1264-23-0x0000000004FD0000-0x00000000050AA000-memory.dmp

Filesize
872KB

Download
memory/1264-18-0x0000000006CD0000-0x0000000006E2C000-memory.dmp

Filesize
1.4MB

Download
memory/2428-0-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/2428-1-0x00000000011D0000-0x000000000126A000-memory.dmp

Filesize
616KB

Download
memory/2428-2-0x0000000074680000-0x0000000074D6E000-memory.dmp

Filesize
6.9MB

Download
memory/2428-3-0x0000000000550000-0x0000000000562000-memory.dmp

Filesize
72KB

Download
memory/2428-4-0x00000000005F0000-0x00000000005F8000-memory.dmp

Filesize
32KB

Download
memory/2428-5-0x0000000000600000-0x000000000060C000-memory.dmp

Filesize
48KB

Download
memory/2428-6-0x0000000004850000-0x00000000048C6000-memory.dmp

Filesize
472KB

Download
memory/2428-13-0x0000000074680000-0x0000000074D6E000-memory.dmp

Filesize
6.9MB

Download
memory/2644-14-0x0000000000880000-0x0000000000B83000-memory.dmp

Filesize
3.0MB

Download
memory/2644-17-0x00000000001D0000-0x00000000001E5000-memory.dmp

Filesize
84KB

Download
memory/2644-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2644-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2644-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-22-0x0000000000270000-0x0000000000285000-memory.dmp

Filesize
84KB

Download
memory/2644-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2644-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2644-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3000-24-0x00000000009D0000-0x00000000009E4000-memory.dmp

Filesize
80KB

Download
memory/3000-25-0x00000000009D0000-0x00000000009E4000-memory.dmp

Filesize
80KB

Download
memory/3000-27-0x00000000009D0000-0x00000000009E4000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads