formbook | c57f54cbf52d1476843ee5a25ec2fd67da19d3d65ef9043bda5b725c6702419d

General

Target

815a024ce875b00b5386479d8b87f37d.exe
Size

483KB
MD5

815a024ce875b00b5386479d8b87f37d
SHA1

651844bbacefec03cf31ae7ced538cc79ccb5f73
SHA256

c57f54cbf52d1476843ee5a25ec2fd67da19d3d65ef9043bda5b725c6702419d
SHA512

910911ad4f145027d9d63412ac82dc475508c2b3a61b2eb090f5c98c3fad8f7a62191e4b7ac4139f256eb16b78aa2f04123cf928d15a6d9107850a8f0cd4b581
SSDEEP

6144:OIFhuSYWFYgrKsUc3y2WnO1xzcWmZXe2rkwnbo60T21BOcCSrYDEgfje5ig1ef9b:zh8Mz+sv3y2N1xzAZprkmuN/SD5iKef5

Score

10^/10

formbook ow persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

ow

Decoy

piavecaffe.com

jlxkqg.men

lifesavingfoundation.net

karadasama.net

michaeltraolach-macsweeney.com

thunderwatches.com

serviciocasawhirlpool.biz

c-cap.online

itparksolution.com

clarityhearingkw.com

wpgrosiri.date

colemarshalcambell.com

webperffest.com

adjusterforirma.info

buildersqq.com

spiritualwisdominindia.com

111222333.net

traditionalarabicdishes.com

hmlifi.com

receive-our-info-heredaily.info

Signatures

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

Formbook payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/5008-21-0x0000000000530000-0x000000000055A000-memory.dmp	formbook

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:

815a024ce875b00b5386479d8b87f37d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	815a024ce875b00b5386479d8b87f37d.exe

Executes dropped EXE 2 IoCs

Processes:

syscheck.exesyscheck.exe

pid process

1688 syscheck.exe
5008 syscheck.exe

pid	process
1688	syscheck.exe
5008	syscheck.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

syscheck.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sysnet = "C:\\Users\\Admin\\AppData\\Local\\syscheck.exe -boot"	syscheck.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

syscheck.exe

description pid process target process

PID 1688 set thread context of 5008 1688 syscheck.exe syscheck.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3144 5008 WerFault.exe syscheck.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

815a024ce875b00b5386479d8b87f37d.exesyscheck.exe

description pid process

Token: SeDebugPrivilege 3348 815a024ce875b00b5386479d8b87f37d.exe
Token: SeDebugPrivilege 1688 syscheck.exe

description	pid	process	target process
PID 1688 set thread context of 5008	1688	syscheck.exe	syscheck.exe

pid	pid_target	process	target process
3144	5008	WerFault.exe	syscheck.exe

description	pid	process
Token: SeDebugPrivilege	3348	815a024ce875b00b5386479d8b87f37d.exe
Token: SeDebugPrivilege	1688	syscheck.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

815a024ce875b00b5386479d8b87f37d.execmd.exesyscheck.exe

description	pid	process	target process
PID 3348 wrote to memory of 4728	3348	815a024ce875b00b5386479d8b87f37d.exe	cmd.exe
PID 3348 wrote to memory of 4728	3348	815a024ce875b00b5386479d8b87f37d.exe	cmd.exe
PID 3348 wrote to memory of 4728	3348	815a024ce875b00b5386479d8b87f37d.exe	cmd.exe
PID 3348 wrote to memory of 2372	3348	815a024ce875b00b5386479d8b87f37d.exe	cmd.exe
PID 3348 wrote to memory of 2372	3348	815a024ce875b00b5386479d8b87f37d.exe	cmd.exe
PID 3348 wrote to memory of 2372	3348	815a024ce875b00b5386479d8b87f37d.exe	cmd.exe
PID 2372 wrote to memory of 1688	2372	cmd.exe	syscheck.exe
PID 2372 wrote to memory of 1688	2372	cmd.exe	syscheck.exe
PID 2372 wrote to memory of 1688	2372	cmd.exe	syscheck.exe
PID 1688 wrote to memory of 5008	1688	syscheck.exe	syscheck.exe
PID 1688 wrote to memory of 5008	1688	syscheck.exe	syscheck.exe
PID 1688 wrote to memory of 5008	1688	syscheck.exe	syscheck.exe
PID 1688 wrote to memory of 5008	1688	syscheck.exe	syscheck.exe
PID 1688 wrote to memory of 5008	1688	syscheck.exe	syscheck.exe
PID 1688 wrote to memory of 5008	1688	syscheck.exe	syscheck.exe

C:\Users\Admin\AppData\Local\Temp\815a024ce875b00b5386479d8b87f37d.exe
"C:\Users\Admin\AppData\Local\Temp\815a024ce875b00b5386479d8b87f37d.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3348

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\815a024ce875b00b5386479d8b87f37d.exe" "C:\Users\Admin\AppData\Local\syscheck.exe"
2⤵
PID:4728

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\syscheck.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2372

C:\Users\Admin\AppData\Local\syscheck.exe
"C:\Users\Admin\AppData\Local\syscheck.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688

C:\Users\Admin\AppData\Local\syscheck.exe
"C:\Users\Admin\AppData\Local\syscheck.exe"
4⤵
- Executes dropped EXE
PID:5008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5008 -s 184
5⤵
- Program crash
PID:3144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5008 -ip 5008
1⤵
PID:4372

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\syscheck.exe
Filesize
483KB

MD5
815a024ce875b00b5386479d8b87f37d

SHA1
651844bbacefec03cf31ae7ced538cc79ccb5f73

SHA256
c57f54cbf52d1476843ee5a25ec2fd67da19d3d65ef9043bda5b725c6702419d

SHA512
910911ad4f145027d9d63412ac82dc475508c2b3a61b2eb090f5c98c3fad8f7a62191e4b7ac4139f256eb16b78aa2f04123cf928d15a6d9107850a8f0cd4b581

Download Submit
memory/1688-17-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/1688-15-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/1688-24-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/1688-18-0x0000000005B20000-0x0000000005BBC000-memory.dmp

Filesize
624KB

Download
memory/1688-16-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

Filesize
64KB

Download
memory/3348-5-0x00000000058D0000-0x00000000058E0000-memory.dmp

Filesize
64KB

Download
memory/3348-2-0x0000000005B90000-0x0000000006134000-memory.dmp

Filesize
5.6MB

Download
memory/3348-14-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/3348-9-0x00000000058D0000-0x00000000058E0000-memory.dmp

Filesize
64KB

Download
memory/3348-8-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/3348-1-0x0000000000BB0000-0x0000000000C2E000-memory.dmp

Filesize
504KB

Download
memory/3348-0-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/3348-4-0x0000000005580000-0x000000000559C000-memory.dmp

Filesize
112KB

Download
memory/3348-3-0x0000000005680000-0x0000000005712000-memory.dmp

Filesize
584KB

Download
memory/5008-21-0x0000000000530000-0x000000000055A000-memory.dmp

Filesize
168KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads