formbook | 7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6

General

Target

New Order Request for Offer.exe
Size

837KB
MD5

db6dfd16b1ac39947a9063aa6326bf43
SHA1

e03b5175355d7c413111e23b7fdaa5c84d563ec1
SHA256

7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6
SHA512

3a21778799366577d05001f1936087a6de552844c9c0ceb43bf2f5b12d0d476299606d1718e08e91a620fcd4598fc65c2ef080b8bad567ba540e19171da876ff
SSDEEP

24576:A86weWVAgchq2p7PH9Kb61xFYJH63h/eZ:ABwnAxh7pxm616U9e

Score

10^/10

formbook k15k discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

k15k

Decoy

herise.charity

esign-creafactory.store

ldjo.info

9603.pizza

nmap.biz

agnacavalcante.shop

iversidepumpmfg.shop

bcpoz.xyz

lange.store

nfovps.net

ihlj.info

uxury29.net

mergence.fun

oftware-download-49753.bond

amblingsystems.info

tpkoinhoki88.xyz

adecepuffbar.net

emorymakers.travel

azurite.icu

nstantquote.xyz

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/2372-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2624-24-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2776	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2560 set thread context of 2372	2560	New Order Request for Offer.exe	35
PID 2372 set thread context of 1272	2372	RegSvcs.exe	21
PID 2624 set thread context of 1272	2624	netsh.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 5 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	New Order Request for Offer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2560	New Order Request for Offer.exe
2372	RegSvcs.exe
2560	New Order Request for Offer.exe
2372	RegSvcs.exe
2776	powershell.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe
2624	netsh.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2372	RegSvcs.exe
2372	RegSvcs.exe
2372	RegSvcs.exe
2624	netsh.exe
2624	netsh.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2560	New Order Request for Offer.exe
Token: SeDebugPrivilege	2372	RegSvcs.exe
Token: SeDebugPrivilege	2776	powershell.exe
Token: SeDebugPrivilege	2624	netsh.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2776	2560	New Order Request for Offer.exe	31
PID 2560 wrote to memory of 2776	2560	New Order Request for Offer.exe	31
PID 2560 wrote to memory of 2776	2560	New Order Request for Offer.exe	31
PID 2560 wrote to memory of 2776	2560	New Order Request for Offer.exe	31
PID 2560 wrote to memory of 2828	2560	New Order Request for Offer.exe	32
PID 2560 wrote to memory of 2828	2560	New Order Request for Offer.exe	32
PID 2560 wrote to memory of 2828	2560	New Order Request for Offer.exe	32
PID 2560 wrote to memory of 2828	2560	New Order Request for Offer.exe	32
PID 2560 wrote to memory of 2372	2560	New Order Request for Offer.exe	35
PID 2560 wrote to memory of 2372	2560	New Order Request for Offer.exe	35
PID 2560 wrote to memory of 2372	2560	New Order Request for Offer.exe	35
PID 2560 wrote to memory of 2372	2560	New Order Request for Offer.exe	35
PID 2560 wrote to memory of 2372	2560	New Order Request for Offer.exe	35
PID 2560 wrote to memory of 2372	2560	New Order Request for Offer.exe	35
PID 2560 wrote to memory of 2372	2560	New Order Request for Offer.exe	35
PID 2560 wrote to memory of 2372	2560	New Order Request for Offer.exe	35
PID 2560 wrote to memory of 2372	2560	New Order Request for Offer.exe	35
PID 2560 wrote to memory of 2372	2560	New Order Request for Offer.exe	35
PID 1272 wrote to memory of 2624	1272	Explorer.EXE	43
PID 1272 wrote to memory of 2624	1272	Explorer.EXE	43
PID 1272 wrote to memory of 2624	1272	Explorer.EXE	43
PID 1272 wrote to memory of 2624	1272	Explorer.EXE	43
PID 2624 wrote to memory of 2204	2624	netsh.exe	44
PID 2624 wrote to memory of 2204	2624	netsh.exe	44
PID 2624 wrote to memory of 2204	2624	netsh.exe	44
PID 2624 wrote to memory of 2204	2624	netsh.exe	44

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1272
- C:\Users\Admin\AppData\Local\Temp\New Order Request for Offer.exe
  "C:\Users\Admin\AppData\Local\Temp\New Order Request for Offer.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2560
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IzffNhTB.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2776
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IzffNhTB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE502.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2828
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2372
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2652
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2464
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2796
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2804
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2380
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2684
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2844
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.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:2624
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE502.tmp

Filesize
1KB

MD5
9fecf34e13144ab6edec20cfd9083f7e

SHA1
168bf3535e47b0e2f7e56d3cc02808157ab51ba8

SHA256
8c08d0bd7c4732bd5aae6e23a2030336f5b9deb651704f59debfbb39778394da

SHA512
dc04cb751fea2132099007f75d89b16aea8807b9c20e506690301994e1580560cff255414a1d8bfebe63bfdc668ada47e83e5a14679c2d605b168738a4b33726

Download Submit
memory/1272-25-0x00000000001A0000-0x00000000002A0000-memory.dmp

Filesize
1024KB

Download
memory/1272-21-0x0000000003A60000-0x0000000003B60000-memory.dmp

Filesize
1024KB

Download
memory/2372-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2372-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2372-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2372-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2560-3-0x00000000003E0000-0x00000000003FE000-memory.dmp

Filesize
120KB

Download
memory/2560-0-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/2560-4-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/2560-6-0x0000000000510000-0x000000000058A000-memory.dmp

Filesize
488KB

Download
memory/2560-5-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2560-2-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2560-22-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2560-1-0x0000000001100000-0x00000000011D8000-memory.dmp

Filesize
864KB

Download
memory/2624-23-0x0000000001590000-0x00000000015AB000-memory.dmp

Filesize
108KB

Download
memory/2624-24-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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