formbook | dce84f4744610752c2449333f89d780bbf02c8ce7324a5eacee9c098d8b88d0d

General

Target

eb6a3606545277e3af8270d85b4940be7a710dcaf11c7351755675d81ce82d02.exe
Size

303KB
MD5

c961fcde5d17604cc66454d49df2cce4
SHA1

2a36990e22318e6794597a47e8843fd65dd56ce1
SHA256

eb6a3606545277e3af8270d85b4940be7a710dcaf11c7351755675d81ce82d02
SHA512

0e9db8b031a10780e21707c3d06853e9eea3b2d96648a8f4d9711a5fe4ab090d11588cd3459d35eaf53b8ed670518a307358a46ac579b7f370fb6464bc756d75
SSDEEP

6144:rGiko9Al1iqDsAkONYosCxEi9W8A7MmHuvVw0UY:rSl1idGJx/zABuvVw09

Score

10^/10

formbook w32e discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

w32e

Decoy

clubedamente.com

camcooksvegan.com

noesists.com

rajofy.xyz

hoiku-ict-01.com

15mmfilms.com

8dejunio.com

government-grants.xyz

maruflegalfirm.com

jsovip.com

gott7.biz

pearlmgt.com

taiwanryugaku.net

0088cq.xyz

sflministries.com

globaltarnz.com

mavungeni.com

lordantonio.com

beiqingcan.com

dvftfx1.cfd

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/1796-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1796-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1796-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2208-26-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
1028	oedei.exe
1796	oedei.exe

Loads dropped DLL 2 IoCs

pid	Process
2408	eb6a3606545277e3af8270d85b4940be7a710dcaf11c7351755675d81ce82d02.exe
1028	oedei.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1028 set thread context of 1796	1028	oedei.exe	31
PID 1796 set thread context of 1196	1796	oedei.exe	21
PID 1796 set thread context of 1196	1796	oedei.exe	21
PID 2208 set thread context of 1196	2208	help.exe	21

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	eb6a3606545277e3af8270d85b4940be7a710dcaf11c7351755675d81ce82d02.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oedei.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1796	oedei.exe
1796	oedei.exe
1796	oedei.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe
2208	help.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1796	oedei.exe
1796	oedei.exe
1796	oedei.exe
1796	oedei.exe
2208	help.exe
2208	help.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1796	oedei.exe
Token: SeDebugPrivilege	2208	help.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 1028	2408	eb6a3606545277e3af8270d85b4940be7a710dcaf11c7351755675d81ce82d02.exe	30
PID 2408 wrote to memory of 1028	2408	eb6a3606545277e3af8270d85b4940be7a710dcaf11c7351755675d81ce82d02.exe	30
PID 2408 wrote to memory of 1028	2408	eb6a3606545277e3af8270d85b4940be7a710dcaf11c7351755675d81ce82d02.exe	30
PID 2408 wrote to memory of 1028	2408	eb6a3606545277e3af8270d85b4940be7a710dcaf11c7351755675d81ce82d02.exe	30
PID 1028 wrote to memory of 1796	1028	oedei.exe	31
PID 1028 wrote to memory of 1796	1028	oedei.exe	31
PID 1028 wrote to memory of 1796	1028	oedei.exe	31
PID 1028 wrote to memory of 1796	1028	oedei.exe	31
PID 1028 wrote to memory of 1796	1028	oedei.exe	31
PID 1028 wrote to memory of 1796	1028	oedei.exe	31
PID 1028 wrote to memory of 1796	1028	oedei.exe	31
PID 1196 wrote to memory of 2208	1196	Explorer.EXE	33
PID 1196 wrote to memory of 2208	1196	Explorer.EXE	33
PID 1196 wrote to memory of 2208	1196	Explorer.EXE	33
PID 1196 wrote to memory of 2208	1196	Explorer.EXE	33
PID 2208 wrote to memory of 2956	2208	help.exe	34
PID 2208 wrote to memory of 2956	2208	help.exe	34
PID 2208 wrote to memory of 2956	2208	help.exe	34
PID 2208 wrote to memory of 2956	2208	help.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\eb6a3606545277e3af8270d85b4940be7a710dcaf11c7351755675d81ce82d02.exe
  "C:\Users\Admin\AppData\Local\Temp\eb6a3606545277e3af8270d85b4940be7a710dcaf11c7351755675d81ce82d02.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2408
- - C:\Users\Admin\AppData\Local\Temp\oedei.exe
    C:\Users\Admin\AppData\Local\Temp\oedei.exe C:\Users\Admin\AppData\Local\Temp\vxgwyb
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1028
  - - C:\Users\Admin\AppData\Local\Temp\oedei.exe
      C:\Users\Admin\AppData\Local\Temp\oedei.exe C:\Users\Admin\AppData\Local\Temp\vxgwyb
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:1796
- 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:2208
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\oedei.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2956

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\gl31grceytepo

Filesize
210KB

MD5
4edd601ceefe5dba66ae940590ded16e

SHA1
1273d943d6d50086b76f776bca6c2b37843eb9fb

SHA256
a4c546b30bea9d344bf0904629167837e0c32f9143ead2aedb342acd8f85d5a2

SHA512
12600c5c4e2f0a506f657d1063c2594e6f0d53d941da0cc5684e70e6539733ef50bf99eb4d06699887843fdd0bc33fbed1632b999f2fe4e481c136a3bf4acebb

Download Submit
C:\Users\Admin\AppData\Local\Temp\oedei.exe

Filesize
117KB

MD5
2efd32c76b350a2f0ef015379b4e6079

SHA1
fe94d4f744e9f38a19350dc7f49443d0b9c744a7

SHA256
a498f803fd0cccb67d13228e97ca0d2dcb7cc149b080604efd3dd4f43fb4488c

SHA512
9f98a8b54e19bd1ce4819e71bd6e944bc5a476bb2488d1f035de1fdfa59f22fc7c9ee8b5df6715eb5ace9013c4441e573e7a7cbd710e7b4c7d220cf5a3f5273d

Download Submit
C:\Users\Admin\AppData\Local\Temp\vxgwyb

Filesize
5KB

MD5
32488c2847bffe8b46bbf2124459b1eb

SHA1
65c384911d38d9c5dbae0c35a9cf487959615fef

SHA256
65940887ee491e50cfe725503c19cb9b130f5ca1c350a4ac58c9d4e6c10f4247

SHA512
f8913b48382eb34add23810f570267e83a45b1775a26eb568920802b01cad953c8604a83641bc43539dfcc65863538206ce21b674d0754f9e3fc22392f72f565

Download Submit
memory/1028-8-0x00000000002F0000-0x00000000002F2000-memory.dmp

Filesize
8KB

Download
memory/1196-16-0x0000000006670000-0x0000000006807000-memory.dmp

Filesize
1.6MB

Download
memory/1196-19-0x0000000006670000-0x0000000006807000-memory.dmp

Filesize
1.6MB

Download
memory/1196-20-0x00000000050A0000-0x0000000005181000-memory.dmp

Filesize
900KB

Download
memory/1196-27-0x00000000050A0000-0x0000000005181000-memory.dmp

Filesize
900KB

Download
memory/1796-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1796-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1796-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2208-25-0x0000000000860000-0x0000000000866000-memory.dmp

Filesize
24KB

Download
memory/2208-23-0x0000000000860000-0x0000000000866000-memory.dmp

Filesize
24KB

Download
memory/2208-26-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing