formbook | 3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc

General

Target

3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc.exe
Size

1.2MB
MD5

eff5dfe237f7290d49068495503bb7e9
SHA1

5b488378f9c4b0359b1f41d5d68278889ccf1e8c
SHA256

3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc
SHA512

0947df0ccb1cae24e439bffdea81471431a41baf960085c1ef2fc65762eb55a480f21e4e3d84ba828453a1fb27137fdf9d0552d80f82ed8994924704ecaa44b8
SSDEEP

24576:1qDEvCTbMWu7rQYlBQcBiT6rprG8abNepSzZ6V3xhE:1TvC/MTQYxsWR7abNeUzZMB

Score

10^/10

formbook se63 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

se63

Decoy

socratesandhisclouds.com

versioncolor.com

ytcp011.com

908511.vip

egysrvs.com

ky5682011.cc

kkuu14.icu

wavebsb.com

klikadelivery.com

jnbxbpq.com

5o8oh.us

hemule.net

techinf.xyz

bevage.club

we37h.com

tipsde.shop

48136.vip

bestcampertrailerbrands.com

fairmedics.in

quixonic.tech

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2760-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2760-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2456-20-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/2456-22-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2900 set thread context of 2760	2900	3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc.exe	28
PID 2760 set thread context of 1140	2760	svchost.exe	20
PID 2456 set thread context of 1140	2456	chkdsk.exe	20

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2760	svchost.exe
2760	svchost.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe
2456	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2900	3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2456	chkdsk.exe
2456	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	svchost.exe
Token: SeDebugPrivilege	2456	chkdsk.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2900	3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc.exe
2900	3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc.exe
1140	Explorer.EXE
1140	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2900	3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc.exe
2900	3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 2760	2900	3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc.exe	28
PID 2900 wrote to memory of 2760	2900	3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc.exe	28
PID 2900 wrote to memory of 2760	2900	3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc.exe	28
PID 2900 wrote to memory of 2760	2900	3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc.exe	28
PID 2900 wrote to memory of 2760	2900	3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc.exe	28
PID 1140 wrote to memory of 2456	1140	Explorer.EXE	29
PID 1140 wrote to memory of 2456	1140	Explorer.EXE	29
PID 1140 wrote to memory of 2456	1140	Explorer.EXE	29
PID 1140 wrote to memory of 2456	1140	Explorer.EXE	29
PID 2456 wrote to memory of 2780	2456	chkdsk.exe	30
PID 2456 wrote to memory of 2780	2456	chkdsk.exe	30
PID 2456 wrote to memory of 2780	2456	chkdsk.exe	30
PID 2456 wrote to memory of 2780	2456	chkdsk.exe	30

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Users\Admin\AppData\Local\Temp\3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc.exe
  "C:\Users\Admin\AppData\Local\Temp\3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\3406373bb1aa978bb8c76dc322a7ddcd053b2ba782516980572bb4e79b742ffc.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2760
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    PID:2780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1140-17-0x0000000006650000-0x000000000678B000-memory.dmp

Filesize
1.2MB

Download
memory/1140-34-0x0000000007040000-0x00000000071AD000-memory.dmp

Filesize
1.4MB

Download
memory/1140-31-0x0000000007040000-0x00000000071AD000-memory.dmp

Filesize
1.4MB

Download
memory/1140-30-0x0000000007040000-0x00000000071AD000-memory.dmp

Filesize
1.4MB

Download
memory/1140-26-0x0000000006650000-0x000000000678B000-memory.dmp

Filesize
1.2MB

Download
memory/1140-16-0x0000000000100000-0x0000000000200000-memory.dmp

Filesize
1024KB

Download
memory/2456-23-0x0000000002250000-0x00000000022E4000-memory.dmp

Filesize
592KB

Download
memory/2456-18-0x0000000000990000-0x0000000000997000-memory.dmp

Filesize
28KB

Download
memory/2456-19-0x0000000000990000-0x0000000000997000-memory.dmp

Filesize
28KB

Download
memory/2456-20-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2456-21-0x0000000002440000-0x0000000002743000-memory.dmp

Filesize
3.0MB

Download
memory/2456-22-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2760-13-0x00000000007B0000-0x0000000000AB3000-memory.dmp

Filesize
3.0MB

Download
memory/2760-14-0x00000000001E0000-0x00000000001F5000-memory.dmp

Filesize
84KB

Download
memory/2760-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2760-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2900-10-0x0000000000170000-0x0000000000174000-memory.dmp

Filesize
16KB

Download

Analysis

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