formbook | 445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3

General

Target

445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.exe
Size

1.1MB
MD5

09297b4f56dc12e62c275f5f6b1be047
SHA1

d81acad6f198114321e3e875b9af0587d5fe6903
SHA256

445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3
SHA512

58c6def5651c8f7536fc20b0d6eb60139a44c4951f7705711d30ddb383f42c4c67fcc24e461c2958c0780f480a766bf5a93bd34d0febdb5eefbc51ddb056234d
SSDEEP

24576:ktb20pkaCqT5TBWgNQ7ajAHvAxlZafyBMP/6A:NVg5tQ7ajaorUqBM35

Score

10^/10

formbook cl21 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cl21

Decoy

0001.shop

earch-parttimejobs.today

are888.top

akanhaunthipped.shop

othing-heyu.xyz

cadvirsor.net

nclanalae.shop

lectric-cars-mexico.today

oxj-question.xyz

ersonalloanoffers.today

ersonalloans-fo54-fo37.click

verybody-ewfx.xyz

ercuremontauban.media

azilimdunyam.net

airs-clinicato.today

wiftsscend.click

ertainly-jbws.xyz

8xeng.app

damekadmitageable.cfd

ollapsedec.shop

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2792-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2792-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3060-16-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2672 set thread context of 2792	2672	445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.exe	31
PID 2792 set thread context of 1144	2792	svchost.exe	20
PID 3060 set thread context of 1144	3060	wininit.exe	20

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2396	2672	WerFault.exe	30

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	445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wininit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2792	svchost.exe
2792	svchost.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe
3060	wininit.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2672	445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.exe
2792	svchost.exe
2792	svchost.exe
2792	svchost.exe
3060	wininit.exe
3060	wininit.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	svchost.exe
Token: SeShutdownPrivilege	1144	Explorer.EXE
Token: SeDebugPrivilege	3060	wininit.exe
Token: SeShutdownPrivilege	1144	Explorer.EXE
Token: SeShutdownPrivilege	1144	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2672	445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.exe
2672	445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.exe
1144	Explorer.EXE
1144	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2672	445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.exe
2672	445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2792	2672	445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.exe	31
PID 2672 wrote to memory of 2792	2672	445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.exe	31
PID 2672 wrote to memory of 2792	2672	445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.exe	31
PID 2672 wrote to memory of 2792	2672	445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.exe	31
PID 2672 wrote to memory of 2792	2672	445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.exe	31
PID 2672 wrote to memory of 2396	2672	445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.exe	32
PID 2672 wrote to memory of 2396	2672	445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.exe	32
PID 2672 wrote to memory of 2396	2672	445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.exe	32
PID 2672 wrote to memory of 2396	2672	445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.exe	32
PID 1144 wrote to memory of 3060	1144	Explorer.EXE	33
PID 1144 wrote to memory of 3060	1144	Explorer.EXE	33
PID 1144 wrote to memory of 3060	1144	Explorer.EXE	33
PID 1144 wrote to memory of 3060	1144	Explorer.EXE	33
PID 3060 wrote to memory of 2904	3060	wininit.exe	34
PID 3060 wrote to memory of 2904	3060	wininit.exe	34
PID 3060 wrote to memory of 2904	3060	wininit.exe	34
PID 3060 wrote to memory of 2904	3060	wininit.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1144
- C:\Users\Admin\AppData\Local\Temp\445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.exe
  "C:\Users\Admin\AppData\Local\Temp\445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.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:2672
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\445c05ab18917bcc80fe2e712ead44f6452ed03a4d06d0200d6e3cbf434997c3.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2792
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2672 -s 312
    3⤵
    - Program crash
    PID:2396
- C:\Windows\SysWOW64\wininit.exe
  "C:\Windows\SysWOW64\wininit.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:3060
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2904

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/1144-21-0x00000000040B0000-0x0000000004156000-memory.dmp

Filesize
664KB

Download
memory/1144-12-0x00000000050F0000-0x0000000005251000-memory.dmp

Filesize
1.4MB

Download
memory/1144-24-0x00000000040B0000-0x0000000004156000-memory.dmp

Filesize
664KB

Download
memory/1144-22-0x00000000040B0000-0x0000000004156000-memory.dmp

Filesize
664KB

Download
memory/1144-17-0x00000000050F0000-0x0000000005251000-memory.dmp

Filesize
1.4MB

Download
memory/2672-6-0x00000000009F0000-0x0000000000DF0000-memory.dmp

Filesize
4.0MB

Download
memory/2672-15-0x00000000009F0000-0x0000000000DF0000-memory.dmp

Filesize
4.0MB

Download
memory/2792-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2792-11-0x0000000000140000-0x0000000000154000-memory.dmp

Filesize
80KB

Download
memory/2792-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2792-8-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/3060-14-0x0000000000EF0000-0x0000000000F0A000-memory.dmp

Filesize
104KB

Download
memory/3060-16-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/3060-13-0x0000000000EF0000-0x0000000000F0A000-memory.dmp

Filesize
104KB

Download

Analysis

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