formbook | 69c4f08c64ca2809ab57dfb43008d4e197bda7ce1a3613402563660afd6e6226

General

Target

reLwOrDA6szTYzt.exe
Size

940KB
MD5

ad4afa925700586e0138bda59adaddb7
SHA1

8309a84b841861ccac278fc03a5e213bd6628126
SHA256

69c4f08c64ca2809ab57dfb43008d4e197bda7ce1a3613402563660afd6e6226
SHA512

48ccbd2a3297246499a252f9a3028f6400ca5199a0158f893ab62a347fc887269d338ef761e8daabe723c24bbb985b242b9091ac054fe541181598b33d5bd5e0
SSDEEP

24576:vzq75DWfksa2TEiYxBayY7CdTiwAAgEEY4:8Wfe2Q9xBxDTQp

Score

10^/10

formbook fqwu rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

fqwu

Decoy

N6XHavFRXQTRmNUkF9dn

EoaWTgFMmLFmUJ7CJNkTiGoj5A==

Dm+WNJDwSQa5cML3Q7EBiGoj5A==

nixR8ZCkOWjqrASBuic=

yvWQNApkdf4QYIih4+xUDY0=

RtmBQtDYDb50g8btXA==

8SU541y9Ec12NYK8PSOfA8OPpaphimY=

/yEvxvlAkquuY3W1QQ==

AlHZgYW4BiI9V+M=

YsHIUsAOO15j+9TnWA==

JJu1S7QIIMij0xUqlUtv

CmWBLrD98YnyUCCFvy0=

uPwhAVEvtu1rTuY=

PI6bR88GVGXmRlpxpKjtBpo=

GnL7qs9HVQAiF6ckF9dn

2zVeBFKZgO1rTuY=

2VI1VpOg7boCAFxvrWN3ys9rovE=

L1lO62zA2o1QEEZRQtgh7g==

brhF5dY1e3zmSyCFvy0=

U6m2TsEidTTdsA5kX8wh7g==

Signatures

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

reLwOrDA6szTYzt.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Control Panel\International\Geo\Nation	reLwOrDA6szTYzt.exe

Loads dropped DLL 1 IoCs

Processes:

svchost.exe

pid process

964 svchost.exe

pid	process
964	svchost.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

reLwOrDA6szTYzt.exereLwOrDA6szTYzt.exesvchost.exe

description	pid	process	target process
PID 1348 set thread context of 1904	1348	reLwOrDA6szTYzt.exe	reLwOrDA6szTYzt.exe
PID 1904 set thread context of 1188	1904	reLwOrDA6szTYzt.exe	Explorer.EXE
PID 964 set thread context of 1188	964	svchost.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	svchost.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

reLwOrDA6szTYzt.exesvchost.exe

pid	process
1904	reLwOrDA6szTYzt.exe
1904	reLwOrDA6szTYzt.exe
1904	reLwOrDA6szTYzt.exe
1904	reLwOrDA6szTYzt.exe
964	svchost.exe
964	svchost.exe
964	svchost.exe
964	svchost.exe
964	svchost.exe
964	svchost.exe
964	svchost.exe
964	svchost.exe
964	svchost.exe
964	svchost.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

reLwOrDA6szTYzt.exesvchost.exe

pid process

1904 reLwOrDA6szTYzt.exe
1904 reLwOrDA6szTYzt.exe
1904 reLwOrDA6szTYzt.exe
964 svchost.exe
964 svchost.exe
964 svchost.exe
964 svchost.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

reLwOrDA6szTYzt.exesvchost.exe

description pid process

Token: SeDebugPrivilege 1904 reLwOrDA6szTYzt.exe
Token: SeDebugPrivilege 964 svchost.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1188 Explorer.EXE
1188 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1188 Explorer.EXE
1188 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1904	reLwOrDA6szTYzt.exe
Token: SeDebugPrivilege	964	svchost.exe

pid	process
1188	Explorer.EXE
1188	Explorer.EXE

pid	process
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

reLwOrDA6szTYzt.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 1348 wrote to memory of 1904	1348	reLwOrDA6szTYzt.exe	reLwOrDA6szTYzt.exe
PID 1348 wrote to memory of 1904	1348	reLwOrDA6szTYzt.exe	reLwOrDA6szTYzt.exe
PID 1348 wrote to memory of 1904	1348	reLwOrDA6szTYzt.exe	reLwOrDA6szTYzt.exe
PID 1348 wrote to memory of 1904	1348	reLwOrDA6szTYzt.exe	reLwOrDA6szTYzt.exe
PID 1348 wrote to memory of 1904	1348	reLwOrDA6szTYzt.exe	reLwOrDA6szTYzt.exe
PID 1348 wrote to memory of 1904	1348	reLwOrDA6szTYzt.exe	reLwOrDA6szTYzt.exe
PID 1348 wrote to memory of 1904	1348	reLwOrDA6szTYzt.exe	reLwOrDA6szTYzt.exe
PID 1188 wrote to memory of 964	1188	Explorer.EXE	svchost.exe
PID 1188 wrote to memory of 964	1188	Explorer.EXE	svchost.exe
PID 1188 wrote to memory of 964	1188	Explorer.EXE	svchost.exe
PID 1188 wrote to memory of 964	1188	Explorer.EXE	svchost.exe
PID 964 wrote to memory of 628	964	svchost.exe	Firefox.exe
PID 964 wrote to memory of 628	964	svchost.exe	Firefox.exe
PID 964 wrote to memory of 628	964	svchost.exe	Firefox.exe
PID 964 wrote to memory of 628	964	svchost.exe	Firefox.exe
PID 964 wrote to memory of 628	964	svchost.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1188

C:\Users\Admin\AppData\Local\Temp\reLwOrDA6szTYzt.exe
"C:\Users\Admin\AppData\Local\Temp\reLwOrDA6szTYzt.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1348

C:\Users\Admin\AppData\Local\Temp\reLwOrDA6szTYzt.exe
"C:\Users\Admin\AppData\Local\Temp\reLwOrDA6szTYzt.exe"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1904

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:964

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:628

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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

\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
910KB

MD5
d79258c5189103d69502eac786addb04

SHA1
f34b33681cfe8ce649218173a7f58b237821c1ef

SHA256
57d89a52061d70d87e40281f1196d53273f87860c4d707d667a8c7d9573da675

SHA512
da797f4dd1ad628aa4e8004b2e00b7c278facbc57a313f56b70dc8fcfbdb0050ea8b025b3475098223cce96ea53537d678273656d46c2d33d81b496d90da34b2

Download Submit
memory/964-73-0x00000000000E0000-0x00000000000E8000-memory.dmp

Filesize
32KB

Download
memory/964-75-0x0000000000830000-0x0000000000B33000-memory.dmp

Filesize
3.0MB

Download
memory/964-74-0x00000000000F0000-0x000000000011D000-memory.dmp

Filesize
180KB

Download
memory/964-76-0x00000000006C0000-0x000000000074F000-memory.dmp

Filesize
572KB

Download
memory/964-78-0x00000000000F0000-0x000000000011D000-memory.dmp

Filesize
180KB

Download
memory/964-72-0x0000000000000000-mapping.dmp

Download
memory/1188-80-0x0000000004D30000-0x0000000004E52000-memory.dmp

Filesize
1.1MB

Download
memory/1188-77-0x0000000004D30000-0x0000000004E52000-memory.dmp

Filesize
1.1MB

Download
memory/1188-71-0x0000000004A80000-0x0000000004BAB000-memory.dmp

Filesize
1.2MB

Download
memory/1348-54-0x0000000001300000-0x00000000013F2000-memory.dmp

Filesize
968KB

Download
memory/1348-59-0x0000000004EB0000-0x0000000004F06000-memory.dmp

Filesize
344KB

Download
memory/1348-58-0x0000000005F00000-0x0000000005F8E000-memory.dmp

Filesize
568KB

Download
memory/1348-57-0x00000000003E0000-0x00000000003EE000-memory.dmp

Filesize
56KB

Download
memory/1348-56-0x0000000000250000-0x0000000000266000-memory.dmp

Filesize
88KB

Download
memory/1348-55-0x0000000074F41000-0x0000000074F43000-memory.dmp

Filesize
8KB

Download
memory/1904-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1904-69-0x0000000000770000-0x0000000000A73000-memory.dmp

Filesize
3.0MB

Download
memory/1904-70-0x00000000000C0000-0x00000000000D0000-memory.dmp

Filesize
64KB

Download
memory/1904-68-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/1904-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1904-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1904-64-0x00000000004012B0-mapping.dmp

Download
memory/1904-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1904-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads