formbook | ad796730fe76da567b892419b2cdba44eeaef29bf62b637c3c3af4cce42886ce

General

Target

5cbd8d9ed7f11fe6795e4e47cc23b390N.exe
Size

1.1MB
MD5

5cbd8d9ed7f11fe6795e4e47cc23b390
SHA1

adb77874bd930fb48291c9822277640c5e0452a1
SHA256

ad796730fe76da567b892419b2cdba44eeaef29bf62b637c3c3af4cce42886ce
SHA512

9128e4ca530669884e7a6b148a1245183442ec59f1a4ffb152868298a2a14e99afd34ab887ec821fc5e343a74fbdcbbdb19f21b1109809a33f65ec73a8e43799
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHagYFIuXO+mzds6i05:gh+ZkldoPK8YagYRXye65

Score

10^/10

formbook pt46 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

pt46

Decoy

twinportslocal.com

rovor.store

98169.club

mdywl.com

jrd3s.rest

aston1717.top

floridawoodworkingmachinery.com

17tk555t.com

ankitsho.shop

seclameh.com

realrecordlabel.com

trenchonbirmingham.com

af28.top

rtp1kenzototo.com

theselflovesite.com

promotegetpaid.info

strategiclogisticsagency.com

learneracademy.net

per-watch.com

betbox2341.com

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/1944-11-0x0000000000680000-0x00000000006AF000-memory.dmp	formbook
behavioral2/memory/1944-15-0x0000000000680000-0x00000000006AF000-memory.dmp	formbook
behavioral2/memory/892-20-0x0000000000810000-0x000000000083F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4400 set thread context of 1944	4400	5cbd8d9ed7f11fe6795e4e47cc23b390N.exe	86
PID 1944 set thread context of 3440	1944	svchost.exe	56
PID 892 set thread context of 3440	892	help.exe	56

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3028	4400	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 3 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	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5cbd8d9ed7f11fe6795e4e47cc23b390N.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

pid	Process
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe
892	help.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4400	5cbd8d9ed7f11fe6795e4e47cc23b390N.exe
4400	5cbd8d9ed7f11fe6795e4e47cc23b390N.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
892	help.exe
892	help.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1944	svchost.exe
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE
Token: SeDebugPrivilege	892	help.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4400	5cbd8d9ed7f11fe6795e4e47cc23b390N.exe
4400	5cbd8d9ed7f11fe6795e4e47cc23b390N.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4400	5cbd8d9ed7f11fe6795e4e47cc23b390N.exe
4400	5cbd8d9ed7f11fe6795e4e47cc23b390N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3440	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4400 wrote to memory of 1944	4400	5cbd8d9ed7f11fe6795e4e47cc23b390N.exe	86
PID 4400 wrote to memory of 1944	4400	5cbd8d9ed7f11fe6795e4e47cc23b390N.exe	86
PID 4400 wrote to memory of 1944	4400	5cbd8d9ed7f11fe6795e4e47cc23b390N.exe	86
PID 4400 wrote to memory of 1944	4400	5cbd8d9ed7f11fe6795e4e47cc23b390N.exe	86
PID 3440 wrote to memory of 892	3440	Explorer.EXE	91
PID 3440 wrote to memory of 892	3440	Explorer.EXE	91
PID 3440 wrote to memory of 892	3440	Explorer.EXE	91
PID 892 wrote to memory of 2648	892	help.exe	95
PID 892 wrote to memory of 2648	892	help.exe	95
PID 892 wrote to memory of 2648	892	help.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Users\Admin\AppData\Local\Temp\5cbd8d9ed7f11fe6795e4e47cc23b390N.exe
  "C:\Users\Admin\AppData\Local\Temp\5cbd8d9ed7f11fe6795e4e47cc23b390N.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:4400
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\5cbd8d9ed7f11fe6795e4e47cc23b390N.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1944
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 704
    3⤵
    - Program crash
    PID:3028
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:892
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4400 -ip 4400
1⤵
PID:4860

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/892-19-0x0000000000BD0000-0x0000000000BD7000-memory.dmp

Filesize
28KB

Download
memory/892-20-0x0000000000810000-0x000000000083F000-memory.dmp

Filesize
188KB

Download
memory/892-18-0x0000000000BD0000-0x0000000000BD7000-memory.dmp

Filesize
28KB

Download
memory/1944-16-0x0000000000EB0000-0x0000000000EC4000-memory.dmp

Filesize
80KB

Download
memory/1944-15-0x0000000000680000-0x00000000006AF000-memory.dmp

Filesize
188KB

Download
memory/1944-14-0x0000000001100000-0x000000000144A000-memory.dmp

Filesize
3.3MB

Download
memory/1944-11-0x0000000000680000-0x00000000006AF000-memory.dmp

Filesize
188KB

Download
memory/3440-17-0x0000000008A00000-0x0000000008AD9000-memory.dmp

Filesize
868KB

Download
memory/3440-21-0x0000000008A00000-0x0000000008AD9000-memory.dmp

Filesize
868KB

Download
memory/3440-24-0x0000000008AE0000-0x0000000008BDA000-memory.dmp

Filesize
1000KB

Download
memory/3440-26-0x0000000008AE0000-0x0000000008BDA000-memory.dmp

Filesize
1000KB

Download
memory/3440-27-0x0000000008AE0000-0x0000000008BDA000-memory.dmp

Filesize
1000KB

Download
memory/4400-10-0x0000000000AD0000-0x0000000000AD4000-memory.dmp

Filesize
16KB

Download

Analysis

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