formbook | 28775ce1bdb5ca7b38745997d9c843f3ff46143879a2cd9f9c5be68c0b238ceb

Analysis

max time kernel
148s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21/11/2024, 19:52

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
b304ea7c0c21af9a1e1787461fb6577cd05a358fad427a8c33a531449928e700.exe
Size 225KB
Sample241121-ylp2wawkd1
SHA256 b304ea7c0c21af9a1e1787461fb6577cd05a358fad427a8c33a531449928e700
MD5 ffd1f23d797e701acd68c6fafc43ee52
SHA1 9d50d54229d7b5c77ef2ff5b2e8383d857a72c78
SHA512 7ce85f0852546659ff88c74649885599926ad99705afa70403d8f925248c954350b4dec3383e0f9e0aa61ded75b13416dc217eae2064cb3992ed3a67e98b352c
SSDEEP 6144:LkwmZ9d0kAbVgQgvIb3w/zpxuDee5rFrTFFkvyIu2:4Z30b8qARe5ZrTkvyk
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

formbook xloader poub discovery loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

poub

Decoy

WY0eksfISzRg4O6c+opnGL6gaw==
moRjn9ExtYi8UmUo+Tya
2vME+GedoxzFnuLXesUoVj4=
EvW4JWJ1NQ8nN3tA3SM=
2mK9efMZMgN1VOs=
8d0jua5b0J6AQEW7
/2cyThOd37DSTYMASDye4Q0t/Vs=
ral+tbIh2KKAQEW7
YLY9jsPtYB/FRmMo+Tya
R1WcElWAMtFxFrVqtZT2ZpIS9xRZNho=
KFXGg/T1pCC9GjrxUPTcjw==
8mMlK5nDwjjPFTP5jMtAtQ0t/Vs=
c7am8nhhlCo=
UW91trZj6dENxuRdpxOvW1Cf
sjOMUcvq6lYJCZEfV4euFzY=
62nBgPjdmWQkmWElww==
64E8JqA1aruSUvw=
NqI1reXpcR+REye0
8+y1oOsbjgSyEhjXUPTcjw==
Rx9by8gNBwN1VOs=
Muif0yE4CQN1VOs=
VEt6//SsIukFo46EOTs=
Z8su52MYL67C
usDwuHRs8/KlWg==
idmltXXu7XAgHLE/UPTcjw==
QPrxO2shWNiGexGboHDSRqBQ1TBd
hq9rqBND8/KlWg==
QS9iHFx08/KlWg==
v1soVFoThEdt/B/dK0v4+6Wb
7rqJytN13KKAQEW7
OWbeN2SDJwonsI6EOTs=
aqQrrKZDm16GMlAtvxavW1Cf
imnEZWIEbC4M8Q+i
Bry3oQg5+6ZaUNxzwg==
B3vYmyxPQS5XYvmCsqQXX8X948Zf
KbGBmwwCyKTKsUcRUNN6CD61aw==
2WpDae4P+W4cdqc8kPBcjqg0wS1X
MvkZLPRY25jI
Alr0VZGxYxG3dR/zSNjBhQ==
ZJkdjczlrF+8l0Os
dcmMkFm+QhFD4OM=
fMdUrd4J1n4mmWElww==
Gat+k1fHg11vTQ==
sn+7Q4uxaAu9FyGv7k24F1DWaBEvmRI=
CjvGRTnXOhtN6QSNxhmvW1Cf
CpHvP2VSxaKAQEW7
qQWkEUJYFKhPttOZ4MarX8KKLl+/Jg==
GNVP4yIy8/KlWg==
pqfVAERhYxN7YPM=
9nS5b/AGCpZNAfZj1A==
a3GcpSND8/KlWg==
fin6NmQXayreIOrzPyw=
EjdROfeTsDPVH+rzPyw=
DO4xD8nURBwM8Q+i
+p/LQHFh0KOAQEW7
iNos10QpwjvjvFrXJYtYFiuHdA==
SX//aFP4Yi5T6NbcKQr07J6e
2NKh0dNr52sTdH4OSNjBhQ==
ZMSJmgsxFrlp5fnecrgeVYcP4xRZNho=
oXmlavAJ+3IbFbl3Gm4H+iKG
ijjWRYCaXiTcigreSNjBhQ==
ZqpH49I4XPu1k+rzPyw=
ZZUh+4FrrBbKukgJWoeuFzY=
lLnTxHn7rq/W9G8rzjsgCnyBYw==
drzjup.space

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/1976-15-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1976-19-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/2772-27-0x00000000000C0000-0x00000000000EC000-memory.dmp	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Control Panel\International\Geo\Nation	rqpwm.exe

Executes dropped EXE 2 IoCs

pid	Process
2356	rqpwm.exe
1976	rqpwm.exe

Loads dropped DLL 3 IoCs

pid	Process
2552	b304ea7c0c21af9a1e1787461fb6577cd05a358fad427a8c33a531449928e700.exe
2552	b304ea7c0c21af9a1e1787461fb6577cd05a358fad427a8c33a531449928e700.exe
2356	rqpwm.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2356 set thread context of 1976	2356	rqpwm.exe	32
PID 1976 set thread context of 1408	1976	rqpwm.exe	21
PID 2772 set thread context of 1408	2772	systray.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b304ea7c0c21af9a1e1787461fb6577cd05a358fad427a8c33a531449928e700.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rqpwm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1976	rqpwm.exe
1976	rqpwm.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe
2772	systray.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2356	rqpwm.exe
1976	rqpwm.exe
1976	rqpwm.exe
1976	rqpwm.exe
2772	systray.exe
2772	systray.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1976	rqpwm.exe
Token: SeDebugPrivilege	2772	systray.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 2356	2552	b304ea7c0c21af9a1e1787461fb6577cd05a358fad427a8c33a531449928e700.exe	31
PID 2552 wrote to memory of 2356	2552	b304ea7c0c21af9a1e1787461fb6577cd05a358fad427a8c33a531449928e700.exe	31
PID 2552 wrote to memory of 2356	2552	b304ea7c0c21af9a1e1787461fb6577cd05a358fad427a8c33a531449928e700.exe	31
PID 2552 wrote to memory of 2356	2552	b304ea7c0c21af9a1e1787461fb6577cd05a358fad427a8c33a531449928e700.exe	31
PID 2356 wrote to memory of 1976	2356	rqpwm.exe	32
PID 2356 wrote to memory of 1976	2356	rqpwm.exe	32
PID 2356 wrote to memory of 1976	2356	rqpwm.exe	32
PID 2356 wrote to memory of 1976	2356	rqpwm.exe	32
PID 2356 wrote to memory of 1976	2356	rqpwm.exe	32
PID 1408 wrote to memory of 2772	1408	Explorer.EXE	33
PID 1408 wrote to memory of 2772	1408	Explorer.EXE	33
PID 1408 wrote to memory of 2772	1408	Explorer.EXE	33
PID 1408 wrote to memory of 2772	1408	Explorer.EXE	33
PID 2772 wrote to memory of 2788	2772	systray.exe	34
PID 2772 wrote to memory of 2788	2772	systray.exe	34
PID 2772 wrote to memory of 2788	2772	systray.exe	34
PID 2772 wrote to memory of 2788	2772	systray.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Users\Admin\AppData\Local\Temp\b304ea7c0c21af9a1e1787461fb6577cd05a358fad427a8c33a531449928e700.exe
  "C:\Users\Admin\AppData\Local\Temp\b304ea7c0c21af9a1e1787461fb6577cd05a358fad427a8c33a531449928e700.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Users\Admin\AppData\Local\Temp\rqpwm.exe
    "C:\Users\Admin\AppData\Local\Temp\rqpwm.exe" C:\Users\Admin\AppData\Local\Temp\ggzllxjrbu.d
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2356
  - - C:\Users\Admin\AppData\Local\Temp\rqpwm.exe
      "C:\Users\Admin\AppData\Local\Temp\rqpwm.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:1976
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\rqpwm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

ajxwfn.ya

Path C:\Users\Admin\AppData\Local\Temp\ajxwfn.ya
Size 176KB
SHA256 ebcbf2884bbab2f4659135df86ee673072f4b4de530b703674fbb92731f893cb
MD5 e9dc02fcc8d07b8c9fb94bfdafd649dc
SHA1 4073f8fd24f056a7d1dc8057ac3b9856b3c5acf8
SHA512 a1abdb620261820d7575c8e9d85a7ef53df46d8980950a3d3db239e72fca86c951306b8066868f61f8b69d25006316d9265317d580eea5012fbfe5ef8e9a0bda
SSDEEP 3072:NUAvazY9DvJi2IQ6n6ZeDOcgJ/8BoTv+AvgnV+JeI0y64YsJ3SkwzOqhh2ODw9jf:RvaEDvI2IQ6n6ZeD5gJUBo7vgQ8I0yT3
MD5 SHA1 SHA512 SSDEEP

Submit Download

ggzllxjrbu.d

Path C:\Users\Admin\AppData\Local\Temp\ggzllxjrbu.d
Size 5KB
SHA256 447204de0bb3b29b0a80fe2d233448dc095825ad00df559278a2a7df01b9be4a
MD5 eb6b8d229b54bed8469fb9bcebcaa22d
SHA1 f4bd8ee98476e8520f2e6b8e014f47002555d7e0
SHA512 39ee1775c22328314c2682bbf93252f87cdb03e8d86c612eb8252729b4ae41c06d0953d3f99c925a2747398e2d175d0b76556d37f600f9e4a3c059a24912694c
SSDEEP 96:CEKo+dBJxhmSDCqAcLh15Tfo2tY1dVKsrlxgLNtBbEZdo1H958w0yd:CjoCRDCmLhPfoQkdrleRtBbnEw0yd
MD5 SHA1 SHA512 SSDEEP

Submit Download

rqpwm.exe

Path \Users\Admin\AppData\Local\Temp\rqpwm.exe
Size 65KB
SHA256 9713a086074e9951c6ba4aff6f801c62ca11935aaea623047f21c6b1516174ac
MD5 c7b994bf4057f869fbf0fdd87058a5b1
SHA1 49cd3cb0e992b570ddfb82ee539c91e924fae42d
SHA512 b3d511e62c54aa201d00b83e520b714efb295a39030b98558d88b499e90b1d2606ca58dbb3aea4e602912ada7c9582738083ae44890b2a183a262bacb8d1b0d9
SSDEEP 1536:BIAqBDA3log/a0JD0LMqkADk+8+mjk6qKrOqzCJ:atA3pHDKM8Dk+Axr/CJ
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1408-20-0x0000000000010000-0x0000000000020000-memory.dmp

Download

memory/1408-21-0x0000000006640000-0x000000000672C000-memory.dmp

Download

memory/1408-28-0x0000000006640000-0x000000000672C000-memory.dmp

Download

memory/1408-30-0x0000000003AC0000-0x0000000003CC0000-memory.dmp

Download

memory/1976-15-0x0000000000400000-0x000000000042C000-memory.dmp

Download

memory/1976-19-0x0000000000400000-0x000000000042C000-memory.dmp

Download

memory/2356-11-0x00000000001B0000-0x00000000001B2000-memory.dmp

Download

memory/2772-26-0x0000000000BA0000-0x0000000000BA5000-memory.dmp

Download

memory/2772-22-0x0000000000BA0000-0x0000000000BA5000-memory.dmp

Download

memory/2772-27-0x00000000000C0000-0x00000000000EC000-memory.dmp

Download