formbook | 25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a

General

Target

25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe
Size

1.4MB
MD5

182ae06482eea4f140aea255ce70eca5
SHA1

a8a9b871a8a57e4da1688b69f92299e57d3c4465
SHA256

25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a
SHA512

3ab9ff0211a8b037af03cd467fe458ed9f2b6dd5987f0e60240a5c0be91b4b1373bcb823693054b7b9a07831233828b709c1b66c4d6c071241ed839eff4b9e6f
SSDEEP

24576:aqDEvCTbMWu7rQYlBQcBiT6rprG8aGqBJGzJ7V3keTp2:aTvC/MTQYxsWR7aG0kzJ9t

Score

10^/10

formbook ud04 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ud04

Decoy

oum7.pro

ovonordisk.online

akrzus.pro

tendmtedcpsa.site

mm.foo

animevyhgsft29817.click

digdxxb.info

1130.vip

uy-now-pay-later-74776.bond

ybzert.online

edcn.link

rime-flow-bay.xyz

nd777id.beauty

otoyama.shop

lranchomx.xyz

unluoren.top

uglesang-troms.net

udulbet88.net

raquewear.shop

ijanarko.net

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

Processes:

resource	yara_rule
behavioral2/memory/3064-3-0x0000000000390000-0x00000000003BF000-memory.dmp	formbook
behavioral2/memory/3064-7-0x0000000000390000-0x00000000003BF000-memory.dmp	formbook
behavioral2/memory/1988-12-0x0000000000BD0000-0x0000000000BFF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exesvchost.exewscript.exe

description	pid	process	target process
PID 5076 set thread context of 3064	5076	25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe	svchost.exe
PID 3064 set thread context of 3420	3064	svchost.exe	Explorer.EXE
PID 1988 set thread context of 3420	1988	wscript.exe	Explorer.EXE

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

Processes:

25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exewscript.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 1 IoCs

Processes:

Explorer.EXE

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

svchost.exewscript.exe

pid	process
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe
1988	wscript.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exesvchost.exewscript.exe

pid	process
5076	25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe
5076	25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
1988	wscript.exe
1988	wscript.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeExplorer.EXEwscript.exe

description	pid	process
Token: SeDebugPrivilege	3064	svchost.exe
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE
Token: SeDebugPrivilege	1988	wscript.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

3420 Explorer.EXE
3420 Explorer.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3420 Explorer.EXE

pid	process
3420	Explorer.EXE
3420	Explorer.EXE

pid	process
3420	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exeExplorer.EXEwscript.exe

description	pid	process	target process
PID 5076 wrote to memory of 3064	5076	25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe	svchost.exe
PID 5076 wrote to memory of 3064	5076	25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe	svchost.exe
PID 5076 wrote to memory of 3064	5076	25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe	svchost.exe
PID 5076 wrote to memory of 3064	5076	25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe	svchost.exe
PID 3420 wrote to memory of 1988	3420	Explorer.EXE	wscript.exe
PID 3420 wrote to memory of 1988	3420	Explorer.EXE	wscript.exe
PID 3420 wrote to memory of 1988	3420	Explorer.EXE	wscript.exe
PID 1988 wrote to memory of 1040	1988	wscript.exe	cmd.exe
PID 1988 wrote to memory of 1040	1988	wscript.exe	cmd.exe
PID 1988 wrote to memory of 1040	1988	wscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3420
- C:\Users\Admin\AppData\Local\Temp\25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe
  "C:\Users\Admin\AppData\Local\Temp\25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:5076
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\25f9e7390d3253b571e3da642f57fcaeabd6dbf38c068379931ca657cc25c23a.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3064
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.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:1988
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1040

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

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Downloads

memory/1988-10-0x0000000000410000-0x0000000000437000-memory.dmp

Filesize
156KB

Download
memory/1988-12-0x0000000000BD0000-0x0000000000BFF000-memory.dmp

Filesize
188KB

Download
memory/1988-11-0x0000000000410000-0x0000000000437000-memory.dmp

Filesize
156KB

Download
memory/3064-8-0x0000000000DE0000-0x0000000000DF4000-memory.dmp

Filesize
80KB

Download
memory/3064-7-0x0000000000390000-0x00000000003BF000-memory.dmp

Filesize
188KB

Download
memory/3064-6-0x0000000001000000-0x000000000134A000-memory.dmp

Filesize
3.3MB

Download
memory/3064-3-0x0000000000390000-0x00000000003BF000-memory.dmp

Filesize
188KB

Download
memory/3420-9-0x0000000006DE0000-0x0000000006F4A000-memory.dmp

Filesize
1.4MB

Download
memory/3420-13-0x0000000006DE0000-0x0000000006F4A000-memory.dmp

Filesize
1.4MB

Download
memory/3420-17-0x0000000008A80000-0x0000000008B4D000-memory.dmp

Filesize
820KB

Download
memory/3420-18-0x0000000008A80000-0x0000000008B4D000-memory.dmp

Filesize
820KB

Download
memory/3420-20-0x0000000008A80000-0x0000000008B4D000-memory.dmp

Filesize
820KB

Download
memory/5076-2-0x00000000013A0000-0x00000000017A0000-memory.dmp

Filesize
4.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads