formbook | d0b843d438fa30a32980d2a153c93a99461476e07562a215fd8e44426f5f2f58

General

Target

formbook_dropped.exe
Size

185KB
MD5

f6266a4df0a33943d7018a03fb16ff67
SHA1

b6e4bad9f79db9797f71d4b2448b1e6351a3acc8
SHA256

d0b843d438fa30a32980d2a153c93a99461476e07562a215fd8e44426f5f2f58
SHA512

d6565fcee1aaabae1e2e5268f3718c2361264d3b320190f5216e43be3065ee1f25144d22e2363078d98fd1f4f3aa883f418dd402481e700cee72e81c25d79747
SSDEEP

3072:y8qzRkfWIYczfzD7nqV+K0fp1TpckexJReVMsYykt9WIFMfWynpXA:yziWIYGzD77jp1FMRKMsCFMrn

Score

10^/10

formbook xloader pgnt loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

pgnt

Decoy

0WG18LbM4lR9iqMRa4nlBzTb

jcfGYzPgZTqFZVO9FV2yIw==

laIfrdSC8/4CNg==

Q73ilev5GIWuOrAAFV2yIw==

Q2u/pMw7pv4sPA==

TbqvIUHwlQscPo0HFV2yIw==

8PNWfGPyE8n0IQ==

WtgROxXzvY2L

PryaRBNjm4eP

Y9Hdi06Cry1um9Sj68YAu1o=

3Gulyp7CMQtR78jvLkk=

JJ3GasTVTCRQT6Tfz6S6GlI=

RnS42bhb9tI0R6UpD6wOxriNxw==

he1mi2sOGfzTRGHnuA==

eaYjCtjxVjdU5XLRtBMBLKk9quA=

k9rTeEqYzzw8WaTfz6S6GlI=

5luVQwe2vJWKEAiMdF4=

MGW14L9OVk5Y5TaR6w/DqdhYxXVY

mAsYz6k6sQkDC0/DoHj9t1RPWLSgFQ==

y5klhuMbE8n0IQ==

Extracted

Family

xloader

Version

3.�E

Campaign

pgnt

Decoy

0WG18LbM4lR9iqMRa4nlBzTb

jcfGYzPgZTqFZVO9FV2yIw==

laIfrdSC8/4CNg==

Q73ilev5GIWuOrAAFV2yIw==

Q2u/pMw7pv4sPA==

TbqvIUHwlQscPo0HFV2yIw==

8PNWfGPyE8n0IQ==

WtgROxXzvY2L

PryaRBNjm4eP

Y9Hdi06Cry1um9Sj68YAu1o=

3Gulyp7CMQtR78jvLkk=

JJ3GasTVTCRQT6Tfz6S6GlI=

RnS42bhb9tI0R6UpD6wOxriNxw==

he1mi2sOGfzTRGHnuA==

eaYjCtjxVjdU5XLRtBMBLKk9quA=

k9rTeEqYzzw8WaTfz6S6GlI=

5luVQwe2vJWKEAiMdF4=

MGW14L9OVk5Y5TaR6w/DqdhYxXVY

mAsYz6k6sQkDC0/DoHj9t1RPWLSgFQ==

y5klhuMbE8n0IQ==

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

formbook_dropped.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Control Panel\International\Geo\Nation	formbook_dropped.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

formbook_dropped.exewuapp.exe

description	pid	process	target process
PID 1728 set thread context of 1432	1728	formbook_dropped.exe	Explorer.EXE
PID 948 set thread context of 1432	948	wuapp.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

formbook_dropped.exewuapp.exe

pid	process
1728	formbook_dropped.exe
1728	formbook_dropped.exe
1728	formbook_dropped.exe
1728	formbook_dropped.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe
948	wuapp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

formbook_dropped.exewuapp.exe

pid process

1728 formbook_dropped.exe
1728 formbook_dropped.exe
1728 formbook_dropped.exe
948 wuapp.exe
948 wuapp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

formbook_dropped.exewuapp.exe

description pid process

Token: SeDebugPrivilege 1728 formbook_dropped.exe
Token: SeDebugPrivilege 948 wuapp.exe

description	pid	process
Token: SeDebugPrivilege	1728	formbook_dropped.exe
Token: SeDebugPrivilege	948	wuapp.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

Explorer.EXE

description	pid	process	target process
PID 1432 wrote to memory of 948	1432	Explorer.EXE	wuapp.exe
PID 1432 wrote to memory of 948	1432	Explorer.EXE	wuapp.exe
PID 1432 wrote to memory of 948	1432	Explorer.EXE	wuapp.exe
PID 1432 wrote to memory of 948	1432	Explorer.EXE	wuapp.exe
PID 1432 wrote to memory of 948	1432	Explorer.EXE	wuapp.exe
PID 1432 wrote to memory of 948	1432	Explorer.EXE	wuapp.exe
PID 1432 wrote to memory of 948	1432	Explorer.EXE	wuapp.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1432

C:\Users\Admin\AppData\Local\Temp\formbook_dropped.exe
"C:\Users\Admin\AppData\Local\Temp\formbook_dropped.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1728

C:\Windows\SysWOW64\wuapp.exe
"C:\Windows\SysWOW64\wuapp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:948

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/948-58-0x0000000000000000-mapping.dmp

Download
memory/948-59-0x0000000001390000-0x000000000139B000-memory.dmp

Filesize
44KB

Download
memory/948-60-0x00000000000D0000-0x00000000000FD000-memory.dmp

Filesize
180KB

Download
memory/948-61-0x0000000000B00000-0x0000000000E03000-memory.dmp

Filesize
3.0MB

Download
memory/948-62-0x0000000000980000-0x0000000000A0F000-memory.dmp

Filesize
572KB

Download
memory/948-63-0x00000000000D0000-0x00000000000FD000-memory.dmp

Filesize
180KB

Download
memory/1432-57-0x0000000006920000-0x0000000006AB4000-memory.dmp

Filesize
1.6MB

Download
memory/1728-54-0x00000000003A0000-0x00000000003CF000-memory.dmp

Filesize
188KB

Download
memory/1728-55-0x0000000000920000-0x0000000000C23000-memory.dmp

Filesize
3.0MB

Download
memory/1728-56-0x00000000000E0000-0x00000000000F0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads