formbook | 0618ad213a6ce0e3dcaa65f80e4379953c38f97dbeccad081b5decc1dce38849

General

Target

inxx.exe
Size

412KB
MD5

99ec724b02038cb9afa938c61bf0c4d5
SHA1

36696bf0da5c4d6bb751018182648fc16e46d79a
SHA256

0618ad213a6ce0e3dcaa65f80e4379953c38f97dbeccad081b5decc1dce38849
SHA512

821a8fef0e1955fab9227d306e161fc393215146955413150fa47216f80b52c7c5c3bb28c155c792f13c0848bd2d1d1b3dd9768f67e789e9c085835c8386c40a

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.besthandstool.icu/uds2/

Decoy

hrrecruitertraining.com

pancakeroll.club

equiposddl.com

fab-9corporation.com

seanformo.com

fisika-uinam.com

cheeseburgerpasta.com

cherylkarlfineartist.com

wunderprodukte.net

3912699.com

sanitizyo.com

856381190.xyz

aprobet42.xyz

knutsfastigheter.com

disalvospizzaitalian.com

energysavingsolarpower.com

oldwonderful.com

se32688.com

samkecollection.com

colegioreynosa.com

Signatures

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

Formbook Payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/716-2-0x0000000000400000-0x0000000000443000-memory.dmp	formbook
behavioral2/memory/716-3-0x000000000040188B-mapping.dmp	formbook
behavioral2/memory/508-4-0x0000000001270000-0x00000000012B3000-memory.dmp	formbook
behavioral2/memory/716-5-0x0000000000400000-0x0000000000443000-memory.dmp	formbook
behavioral2/memory/716-7-0x0000000002CF0000-0x0000000002D1E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

inxx.exe

description pid process target process

PID 508 set thread context of 716 508 inxx.exe inxx.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2828 716 WerFault.exe inxx.exe

description	pid	process	target process
PID 508 set thread context of 716	508	inxx.exe	inxx.exe

pid	pid_target	process	target process
2828	716	WerFault.exe	inxx.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
2828	WerFault.exe
2828	WerFault.exe
2828	WerFault.exe
2828	WerFault.exe
2828	WerFault.exe
2828	WerFault.exe
2828	WerFault.exe
2828	WerFault.exe
2828	WerFault.exe
2828	WerFault.exe
2828	WerFault.exe
2828	WerFault.exe
2828	WerFault.exe
2828	WerFault.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

inxx.exe

pid process

508 inxx.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2828 WerFault.exe
Token: SeBackupPrivilege 2828 WerFault.exe
Token: SeDebugPrivilege 2828 WerFault.exe

pid	process
508	inxx.exe

description	pid	process
Token: SeRestorePrivilege	2828	WerFault.exe
Token: SeBackupPrivilege	2828	WerFault.exe
Token: SeDebugPrivilege	2828	WerFault.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

inxx.exe

description	pid	process	target process
PID 508 wrote to memory of 716	508	inxx.exe	inxx.exe
PID 508 wrote to memory of 716	508	inxx.exe	inxx.exe
PID 508 wrote to memory of 716	508	inxx.exe	inxx.exe
PID 508 wrote to memory of 716	508	inxx.exe	inxx.exe

C:\Users\Admin\AppData\Local\Temp\inxx.exe
"C:\Users\Admin\AppData\Local\Temp\inxx.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:508

C:\Users\Admin\AppData\Local\Temp\inxx.exe
"C:\Users\Admin\AppData\Local\Temp\inxx.exe"
2⤵
PID:716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 876
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2828

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/508-4-0x0000000001270000-0x00000000012B3000-memory.dmp

Filesize
268KB

Download
memory/716-2-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/716-3-0x000000000040188B-mapping.dmp

Download
memory/716-5-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/716-6-0x00000000735D0000-0x0000000073CBE000-memory.dmp

Filesize
6.9MB

Download
memory/716-7-0x0000000002CF0000-0x0000000002D1E000-memory.dmp

Filesize
184KB

Download
memory/2828-8-0x0000000004B70000-0x0000000004B71000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads