formbook | 467d77d35a6fc815ecbd60b0b320d7ca06e0f8a340c2c3285de4c0430517f8e7

Analysis

max time kernel
146s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-01-2025 13:44

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General

Target

ReceiptCopy001.exe
Size

651KB
MD5

9ecbdf4d5174c3da835a2a7829e06773
SHA1

734529d1583291a87ff3cfc8895705e374f0091a
SHA256

467d77d35a6fc815ecbd60b0b320d7ca06e0f8a340c2c3285de4c0430517f8e7
SHA512

06ce5f9f79ed67731552a64fd4d730512cf10a1b006d3b4e258f357f85d8288e1c8862e4f2e8460ee58ef6ec138ae68b161372443c5091dfb4460f584fb49317
SSDEEP

12288:djz40GsIZC+9koIrfqUe1FOB/Uy4d8+1Aeh1bWwU6RnPsdx90:m3GXoIBe1FOf4dOCnPs

Score

10^/10

formbook b02a discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b02a

Decoy

nnovate.host

yrvo.shop

obify.party

55665.one

vlisazouasiul.store

arjohbs.shop

mjsccc5716.shop

nfluencer-marketing-86606.bond

atellite-internet-74549.bond

arehouse-inventory-82506.bond

kanzaturf.net

airbypatrickmcguire.net

90880a15.buzz

ancake888.info

hopcroma.store

usinessloanscanada524285.icu

mdjr.world

9kct.xyz

ombrd.finance

luratu.xyz

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

resource	yara_rule
behavioral1/memory/2768-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2768-27-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1952-29-0x0000000000110000-0x000000000013F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2648	powershell.exe
2704	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2296 set thread context of 2768	2296	ReceiptCopy001.exe	37
PID 2768 set thread context of 1160	2768	RegSvcs.exe	20
PID 2768 set thread context of 1160	2768	RegSvcs.exe	20
PID 1952 set thread context of 1160	1952	ipconfig.exe	20

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 6 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ReceiptCopy001.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	ipconfig.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
1952	ipconfig.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
2812	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2296	ReceiptCopy001.exe
2704	powershell.exe
2296	ReceiptCopy001.exe
2648	powershell.exe
2768	RegSvcs.exe
2768	RegSvcs.exe
2768	RegSvcs.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe
1952	ipconfig.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2768	RegSvcs.exe
2768	RegSvcs.exe
2768	RegSvcs.exe
2768	RegSvcs.exe
1952	ipconfig.exe
1952	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2296	ReceiptCopy001.exe
Token: SeDebugPrivilege	2704	powershell.exe
Token: SeDebugPrivilege	2648	powershell.exe
Token: SeDebugPrivilege	2768	RegSvcs.exe
Token: SeDebugPrivilege	1952	ipconfig.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2648	2296	ReceiptCopy001.exe	31
PID 2296 wrote to memory of 2648	2296	ReceiptCopy001.exe	31
PID 2296 wrote to memory of 2648	2296	ReceiptCopy001.exe	31
PID 2296 wrote to memory of 2648	2296	ReceiptCopy001.exe	31
PID 2296 wrote to memory of 2704	2296	ReceiptCopy001.exe	33
PID 2296 wrote to memory of 2704	2296	ReceiptCopy001.exe	33
PID 2296 wrote to memory of 2704	2296	ReceiptCopy001.exe	33
PID 2296 wrote to memory of 2704	2296	ReceiptCopy001.exe	33
PID 2296 wrote to memory of 2812	2296	ReceiptCopy001.exe	35
PID 2296 wrote to memory of 2812	2296	ReceiptCopy001.exe	35
PID 2296 wrote to memory of 2812	2296	ReceiptCopy001.exe	35
PID 2296 wrote to memory of 2812	2296	ReceiptCopy001.exe	35
PID 2296 wrote to memory of 2768	2296	ReceiptCopy001.exe	37
PID 2296 wrote to memory of 2768	2296	ReceiptCopy001.exe	37
PID 2296 wrote to memory of 2768	2296	ReceiptCopy001.exe	37
PID 2296 wrote to memory of 2768	2296	ReceiptCopy001.exe	37
PID 2296 wrote to memory of 2768	2296	ReceiptCopy001.exe	37
PID 2296 wrote to memory of 2768	2296	ReceiptCopy001.exe	37
PID 2296 wrote to memory of 2768	2296	ReceiptCopy001.exe	37
PID 2296 wrote to memory of 2768	2296	ReceiptCopy001.exe	37
PID 2296 wrote to memory of 2768	2296	ReceiptCopy001.exe	37
PID 2296 wrote to memory of 2768	2296	ReceiptCopy001.exe	37
PID 1160 wrote to memory of 1952	1160	Explorer.EXE	66
PID 1160 wrote to memory of 1952	1160	Explorer.EXE	66
PID 1160 wrote to memory of 1952	1160	Explorer.EXE	66
PID 1160 wrote to memory of 1952	1160	Explorer.EXE	66
PID 1952 wrote to memory of 1256	1952	ipconfig.exe	67
PID 1952 wrote to memory of 1256	1952	ipconfig.exe	67
PID 1952 wrote to memory of 1256	1952	ipconfig.exe	67
PID 1952 wrote to memory of 1256	1952	ipconfig.exe	67

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Users\Admin\AppData\Local\Temp\ReceiptCopy001.exe
  "C:\Users\Admin\AppData\Local\Temp\ReceiptCopy001.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2296
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ReceiptCopy001.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2648
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zykAUGFBtng.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2704
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zykAUGFBtng" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC31.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2812
- - 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:2768
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2612
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2556
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2552
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2572
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2588
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2620
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2632
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2468
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:3004
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:3044
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2600
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2384
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1664
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1844
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:356
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2376
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1244
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2752
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2624
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1888
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1832
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:400
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:320
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1364
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1868
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1672
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:780
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2860
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1952
- - 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:1256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC31.tmp

Filesize
1KB

MD5
0b9d5576caa9d9611e89dd2dc97ba8b4

SHA1
594b008ba3582898adabe511934a11e5b343ce5c

SHA256
a77907c94af86d3e58ba90cd7099c87c20a9dc52ea3a0af9ddbfc55ea20e25e5

SHA512
b94a4ad5899a4519965aa00949f9aefb6e70da029e0b247bf7336f8507e6ae1c0878c3e4c90df78730aa1243fed92707985205c9d0355b9a875ee98dbf082fab

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
c2bf872ee707d9d8ddae854eafa4be6f

SHA1
fd4f4865def69e789163a30d27baf5b7914984e7

SHA256
0b29b1900c8d483d22b1683aeb9d33e2bc0bbf509e408a7239f22c80087bd607

SHA512
ad4422eefe287de806d2c1644f449de5f41f850d60fcc8cd375e0cab259a19d6b520f83fa56d5e1555c77f44fda67160eb63e5fd05e8963caa3073f5e37b8a86

Download Submit
memory/1952-29-0x0000000000110000-0x000000000013F000-memory.dmp

Filesize
188KB

Download
memory/1952-28-0x0000000000140000-0x000000000014A000-memory.dmp

Filesize
40KB

Download
memory/2296-4-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/2296-5-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-6-0x00000000003B0000-0x0000000000428000-memory.dmp

Filesize
480KB

Download
memory/2296-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/2296-3-0x0000000000670000-0x000000000068E000-memory.dmp

Filesize
120KB

Download
memory/2296-26-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-2-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-1-0x0000000000A10000-0x0000000000ABA000-memory.dmp

Filesize
680KB

Download
memory/2768-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2768-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2768-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2768-27-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download