formbook | 6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318a

General

Target

6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe
Size

1.1MB
MD5

5c64f75360a7535d0098e24852069970
SHA1

462d562bf08435260c76d09b8d0e78c8c854f55f
SHA256

6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318a
SHA512

293ae523ddfae0e68729bcf363efee2bf29586e720bd715c5d15cafbc2d38b62c86a21873ee41157e3cfd065f2865db07aa61eae65e19e6b5d416793d76ea7e8
SSDEEP

24576:ZqDEvCTbMWu7rQYlBQcBiT6rprG8aQTZ1IaWE1c4+vrcJ:ZTvC/MTQYxsWR7aQTZWE1c4Crc

Score

10^/10

formbook at22 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

at22

Decoy

etween-us.online

sphaleia.net

ental-implants-78350.bond

q4a.lat

commerce-97292.bond

linds-curtains-38811.bond

gyptevoyages.net

landofigueroa-abogados.net

cuitis.xyz

hantom.city

yzk.online

afikabmedan.store

ome-remodeling-67289.bond

ebpage-klzdxrhnazi.shop

eject.lol

rismart.xyz

nfluencer-marketing-72407.bond

ksolotl.xyz

ebsbayrntilrmizin93.xyz

pps-75399.bond

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2372-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2372-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2372-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2848-21-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2084 set thread context of 2372	2084	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe	30
PID 2372 set thread context of 1424	2372	svchost.exe	21
PID 2372 set thread context of 1424	2372	svchost.exe	21
PID 2848 set thread context of 1424	2848	wlanext.exe	21

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	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
2372	svchost.exe
2372	svchost.exe
2372	svchost.exe
2848	wlanext.exe
2848	wlanext.exe
2848	wlanext.exe
2848	wlanext.exe
2848	wlanext.exe
2848	wlanext.exe
2848	wlanext.exe
2848	wlanext.exe
2848	wlanext.exe
2848	wlanext.exe
2848	wlanext.exe
2848	wlanext.exe
2848	wlanext.exe
2848	wlanext.exe
2848	wlanext.exe
2848	wlanext.exe
2848	wlanext.exe
2848	wlanext.exe
2848	wlanext.exe
2848	wlanext.exe
2848	wlanext.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2084	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe
2372	svchost.exe
2372	svchost.exe
2372	svchost.exe
2372	svchost.exe
2848	wlanext.exe
2848	wlanext.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2372	svchost.exe
Token: SeDebugPrivilege	2848	wlanext.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
2084	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe
2084	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe
1424	Explorer.EXE
1424	Explorer.EXE
1424	Explorer.EXE
1424	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2084	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe
2084	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe
1424	Explorer.EXE
1424	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2372	2084	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe	30
PID 2084 wrote to memory of 2372	2084	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe	30
PID 2084 wrote to memory of 2372	2084	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe	30
PID 2084 wrote to memory of 2372	2084	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe	30
PID 2084 wrote to memory of 2372	2084	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe	30
PID 2372 wrote to memory of 2848	2372	svchost.exe	32
PID 2372 wrote to memory of 2848	2372	svchost.exe	32
PID 2372 wrote to memory of 2848	2372	svchost.exe	32
PID 2372 wrote to memory of 2848	2372	svchost.exe	32
PID 2848 wrote to memory of 2884	2848	wlanext.exe	33
PID 2848 wrote to memory of 2884	2848	wlanext.exe	33
PID 2848 wrote to memory of 2884	2848	wlanext.exe	33
PID 2848 wrote to memory of 2884	2848	wlanext.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1424
- C:\Users\Admin\AppData\Local\Temp\6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe
  "C:\Users\Admin\AppData\Local\Temp\6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2084
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe"
    3⤵
    - 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:2372
  - - C:\Windows\SysWOW64\wlanext.exe
      "C:\Windows\SysWOW64\wlanext.exe"
      4⤵
      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:2848
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\SysWOW64\svchost.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1424-22-0x0000000007DA0000-0x0000000007EDB000-memory.dmp

Filesize
1.2MB

Download
memory/1424-30-0x0000000006EE0000-0x0000000006FC6000-memory.dmp

Filesize
920KB

Download
memory/1424-28-0x0000000006EE0000-0x0000000006FC6000-memory.dmp

Filesize
920KB

Download
memory/1424-27-0x0000000006EE0000-0x0000000006FC6000-memory.dmp

Filesize
920KB

Download
memory/1424-12-0x00000000002C0000-0x00000000003C0000-memory.dmp

Filesize
1024KB

Download
memory/1424-13-0x00000000068E0000-0x00000000069B7000-memory.dmp

Filesize
860KB

Download
memory/1424-18-0x0000000007DA0000-0x0000000007EDB000-memory.dmp

Filesize
1.2MB

Download
memory/1424-17-0x00000000068E0000-0x00000000069B7000-memory.dmp

Filesize
860KB

Download
memory/2084-6-0x00000000008F0000-0x0000000000CF0000-memory.dmp

Filesize
4.0MB

Download
memory/2372-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2372-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2372-16-0x0000000000430000-0x0000000000445000-memory.dmp

Filesize
84KB

Download
memory/2372-11-0x00000000002D0000-0x00000000002E5000-memory.dmp

Filesize
84KB

Download
memory/2372-8-0x00000000006F0000-0x00000000009F3000-memory.dmp

Filesize
3.0MB

Download
memory/2372-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2848-20-0x0000000000F70000-0x0000000000F86000-memory.dmp

Filesize
88KB

Download
memory/2848-19-0x0000000000F70000-0x0000000000F86000-memory.dmp

Filesize
88KB

Download
memory/2848-21-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

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