formbook | b0bbd2542bc257b4494e679157edbb972ae9250e4cbe08f256fa296bea934ffb

General

Target

drreedddd.exe
Size

847KB
MD5

93406d8e4abf5ff12a201760a40fd8ca
SHA1

d0015e7c1f43f5b34525374ce8fcee85d0238a64
SHA256

6d74b352350e3e1d6c9154a6323ec8f5bffab4fb5c01b9f161fe96bc7bec03ab
SHA512

0f69be070a617388504df340889d68c3e32c25b0fc18935c72e1b03b8cf0c4fdcaa2582fa358b3a60b006fdbb2a708c5ae2ab9a9094b689d96f29e79767514ad
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLIcd+uVY/ZGumADWn0SxG:ffmMv6Ckr7Mny5QLIiYBjZDWn0S0

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 2 IoCs

rat

resource	yara_rule
behavioral1/memory/1824-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1824-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2992 set thread context of 1824	2992	drreedddd.exe	31
PID 1824 set thread context of 1176	1824	svchost.exe	21

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2100	1728	WerFault.exe	32

System Location Discovery: System Language Discovery 1 TTPs 2 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	drreedddd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1824	svchost.exe
1824	svchost.exe

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
2992	drreedddd.exe
1824	svchost.exe
1824	svchost.exe
1824	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1824	svchost.exe
Token: SeShutdownPrivilege	1176	Explorer.EXE
Token: SeShutdownPrivilege	1176	Explorer.EXE
Token: SeShutdownPrivilege	1176	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2992	drreedddd.exe
2992	drreedddd.exe
1176	Explorer.EXE
1176	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2992	drreedddd.exe
2992	drreedddd.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 1824	2992	drreedddd.exe	31
PID 2992 wrote to memory of 1824	2992	drreedddd.exe	31
PID 2992 wrote to memory of 1824	2992	drreedddd.exe	31
PID 2992 wrote to memory of 1824	2992	drreedddd.exe	31
PID 2992 wrote to memory of 1824	2992	drreedddd.exe	31
PID 1176 wrote to memory of 1728	1176	Explorer.EXE	32
PID 1176 wrote to memory of 1728	1176	Explorer.EXE	32
PID 1176 wrote to memory of 1728	1176	Explorer.EXE	32
PID 1176 wrote to memory of 1728	1176	Explorer.EXE	32
PID 1176 wrote to memory of 1728	1176	Explorer.EXE	32
PID 1176 wrote to memory of 1728	1176	Explorer.EXE	32
PID 1176 wrote to memory of 1728	1176	Explorer.EXE	32
PID 1728 wrote to memory of 2100	1728	msiexec.exe	33
PID 1728 wrote to memory of 2100	1728	msiexec.exe	33
PID 1728 wrote to memory of 2100	1728	msiexec.exe	33
PID 1728 wrote to memory of 2100	1728	msiexec.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1176
- C:\Users\Admin\AppData\Local\Temp\drreedddd.exe
  "C:\Users\Admin\AppData\Local\Temp\drreedddd.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:2992
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\drreedddd.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1824
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1728
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 268
    3⤵
    - Program crash
    PID:2100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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/1176-11-0x0000000006B90000-0x0000000006CA6000-memory.dmp

Filesize
1.1MB

Download
memory/1176-18-0x0000000006B90000-0x0000000006CA6000-memory.dmp

Filesize
1.1MB

Download
memory/1728-13-0x0000000000920000-0x0000000000934000-memory.dmp

Filesize
80KB

Download
memory/1728-12-0x0000000000920000-0x0000000000934000-memory.dmp

Filesize
80KB

Download
memory/1728-15-0x0000000000920000-0x0000000000934000-memory.dmp

Filesize
80KB

Download
memory/1824-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1824-7-0x0000000000850000-0x0000000000B53000-memory.dmp

Filesize
3.0MB

Download
memory/1824-10-0x00000000001E0000-0x00000000001F4000-memory.dmp

Filesize
80KB

Download
memory/1824-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2992-5-0x00000000003F0000-0x00000000003F4000-memory.dmp

Filesize
16KB

Download

Analysis

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