formbook | 4fe0627df409d563c49daaace6f559559c940ccf1d19e73dc3480a33f86ed9a3

General

Target

EDG950202407.exe
Size

1.1MB
MD5

997638b13b3e24a155d45cb73bee1624
SHA1

9e97cfec83e40a8f847c953aff08309c06cccf6a
SHA256

4fe0627df409d563c49daaace6f559559c940ccf1d19e73dc3480a33f86ed9a3
SHA512

11c37787e1c340d0674103b9b8c3e64b9a324a14f1f20cf045e03c766f9220065b81cf99793ab45c0a40c7fea019f0e57263fc70160fb3291d5544db03c54970
SSDEEP

24576:7AHnh+eWsN3skA4RV1Hom2KXMmHaisMQtytsGy5:Wh+ZkldoPK8YaisMQt9H

Score

10^/10

formbook bi05 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bi05

Decoy

ollow-the-bit.online

aopho.autos

14ra567dp.autos

48651301.top

ussian-dating-54714.bond

sychology-degree-80838.bond

lytracker.xyz

strology-forest.sbs

swjbcl3.top

ridgenexttechnologies.partners

lroy.sbs

kyscreen.vip

anhit.live

uckyheart.xyz

orddserials.online

hetune.shop

nherited-traits-ant.bond

stanaslot-1.xyz

sychologist-therapy-36914.bond

iandramonami.net

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
behavioral1/memory/2164-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2164-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2120-21-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2352 set thread context of 2164	2352	EDG950202407.exe	29
PID 2164 set thread context of 1184	2164	svchost.exe	20
PID 2120 set thread context of 1184	2120	explorer.exe	20

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	EDG950202407.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2164	svchost.exe
2164	svchost.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe
2120	explorer.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2352	EDG950202407.exe
2164	svchost.exe
2164	svchost.exe
2164	svchost.exe
2120	explorer.exe
2120	explorer.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2164	svchost.exe
Token: SeDebugPrivilege	2120	explorer.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2352	EDG950202407.exe
2352	EDG950202407.exe
1184	Explorer.EXE
1184	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2352	EDG950202407.exe
2352	EDG950202407.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 2164	2352	EDG950202407.exe	29
PID 2352 wrote to memory of 2164	2352	EDG950202407.exe	29
PID 2352 wrote to memory of 2164	2352	EDG950202407.exe	29
PID 2352 wrote to memory of 2164	2352	EDG950202407.exe	29
PID 2352 wrote to memory of 2164	2352	EDG950202407.exe	29
PID 1184 wrote to memory of 2120	1184	Explorer.EXE	30
PID 1184 wrote to memory of 2120	1184	Explorer.EXE	30
PID 1184 wrote to memory of 2120	1184	Explorer.EXE	30
PID 1184 wrote to memory of 2120	1184	Explorer.EXE	30
PID 2120 wrote to memory of 2700	2120	explorer.exe	31
PID 2120 wrote to memory of 2700	2120	explorer.exe	31
PID 2120 wrote to memory of 2700	2120	explorer.exe	31
PID 2120 wrote to memory of 2700	2120	explorer.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\Temp\EDG950202407.exe
  "C:\Users\Admin\AppData\Local\Temp\EDG950202407.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:2352
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\EDG950202407.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2164
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.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:2120
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2700

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/1184-18-0x0000000006B60000-0x0000000006C47000-memory.dmp

Filesize
924KB

Download
memory/1184-31-0x0000000007D60000-0x0000000007EDE000-memory.dmp

Filesize
1.5MB

Download
memory/1184-29-0x0000000007D60000-0x0000000007EDE000-memory.dmp

Filesize
1.5MB

Download
memory/1184-28-0x0000000007D60000-0x0000000007EDE000-memory.dmp

Filesize
1.5MB

Download
memory/1184-22-0x0000000006B60000-0x0000000006C47000-memory.dmp

Filesize
924KB

Download
memory/1184-17-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2120-21-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/2120-19-0x0000000000D50000-0x0000000000FD1000-memory.dmp

Filesize
2.5MB

Download
memory/2120-20-0x0000000000D50000-0x0000000000FD1000-memory.dmp

Filesize
2.5MB

Download
memory/2164-16-0x00000000002D0000-0x00000000002E4000-memory.dmp

Filesize
80KB

Download
memory/2164-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2164-13-0x0000000000870000-0x0000000000B73000-memory.dmp

Filesize
3.0MB

Download
memory/2164-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2352-11-0x0000000000770000-0x0000000000774000-memory.dmp

Filesize
16KB

Download

Analysis

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