formbook | bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2025 14:24

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General

Target

Invoice and packing list.exe
Size

836KB
MD5

735a274389af85c4b4f6ccd684b1b30a
SHA1

2ae6619febb0c9f4d318daa9f28172c2ed9ed4da
SHA256

bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b
SHA512

959bd09b752128ae08262bc7803b857099e3727f025f380a918f5b46ac64384180224ef40cc086c795f54dbb8621798b3ba95362805bccbc634800fc626bf14a
SSDEEP

24576:C8yNK1t4NK1tOqLB94uH/Stkd3uRStXvfFQ:Rhz9fvj

Score

10^/10

formbook a03d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a03d

Decoy

nfluencer-marketing-13524.bond

cebepu.info

lphatechblog.xyz

haoyun.website

itiz.xyz

orld-visa-center.online

si.art

alata.xyz

mmarketing.xyz

elnqdjc.shop

ensentoto.cloud

voyagu.info

onvert.today

1fuli9902.shop

otelhafnia.info

rumpchiefofstaff.store

urvivalflashlights.shop

0090.pizza

ings-hu-13.today

oliticalpatriot.net

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
behavioral2/memory/1116-46-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2420-92-0x0000000000110000-0x000000000013F000-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
2976	powershell.exe
1072	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	Invoice and packing list.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1816 set thread context of 1116	1816	Invoice and packing list.exe	102
PID 1116 set thread context of 3428	1116	MSBuild.exe	55
PID 2420 set thread context of 3428	2420	cmstp.exe	55

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	Invoice and packing list.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	cmstp.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
1592	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1816	Invoice and packing list.exe
1072	powershell.exe
2976	powershell.exe
1816	Invoice and packing list.exe
1816	Invoice and packing list.exe
1816	Invoice and packing list.exe
1116	MSBuild.exe
1116	MSBuild.exe
1116	MSBuild.exe
1116	MSBuild.exe
1072	powershell.exe
2976	powershell.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe
2420	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1116	MSBuild.exe
1116	MSBuild.exe
1116	MSBuild.exe
2420	cmstp.exe
2420	cmstp.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	1816	Invoice and packing list.exe
Token: SeDebugPrivilege	2976	powershell.exe
Token: SeDebugPrivilege	1072	powershell.exe
Token: SeDebugPrivilege	1116	MSBuild.exe
Token: SeDebugPrivilege	2420	cmstp.exe
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1816 wrote to memory of 2976	1816	Invoice and packing list.exe	95
PID 1816 wrote to memory of 2976	1816	Invoice and packing list.exe	95
PID 1816 wrote to memory of 2976	1816	Invoice and packing list.exe	95
PID 1816 wrote to memory of 1072	1816	Invoice and packing list.exe	97
PID 1816 wrote to memory of 1072	1816	Invoice and packing list.exe	97
PID 1816 wrote to memory of 1072	1816	Invoice and packing list.exe	97
PID 1816 wrote to memory of 1592	1816	Invoice and packing list.exe	98
PID 1816 wrote to memory of 1592	1816	Invoice and packing list.exe	98
PID 1816 wrote to memory of 1592	1816	Invoice and packing list.exe	98
PID 1816 wrote to memory of 4960	1816	Invoice and packing list.exe	101
PID 1816 wrote to memory of 4960	1816	Invoice and packing list.exe	101
PID 1816 wrote to memory of 4960	1816	Invoice and packing list.exe	101
PID 1816 wrote to memory of 1116	1816	Invoice and packing list.exe	102
PID 1816 wrote to memory of 1116	1816	Invoice and packing list.exe	102
PID 1816 wrote to memory of 1116	1816	Invoice and packing list.exe	102
PID 1816 wrote to memory of 1116	1816	Invoice and packing list.exe	102
PID 1816 wrote to memory of 1116	1816	Invoice and packing list.exe	102
PID 1816 wrote to memory of 1116	1816	Invoice and packing list.exe	102
PID 3428 wrote to memory of 2420	3428	Explorer.EXE	103
PID 3428 wrote to memory of 2420	3428	Explorer.EXE	103
PID 3428 wrote to memory of 2420	3428	Explorer.EXE	103
PID 2420 wrote to memory of 1756	2420	cmstp.exe	104
PID 2420 wrote to memory of 1756	2420	cmstp.exe	104
PID 2420 wrote to memory of 1756	2420	cmstp.exe	104

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Users\Admin\AppData\Local\Temp\Invoice and packing list.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice and packing list.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1816
- - 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\Invoice and packing list.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2976
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\utlAHqvw.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1072
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\utlAHqvw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDD50.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1592
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    PID:4960
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1116
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:2420
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1756

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

Query Registry

T1012

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
5cb227fc0c1329213d5d1dbaec1c094e

SHA1
ee7ac2337cc02b835848cd206e9d5e2afd16eb9a

SHA256
8dda2ccb6f63d1dd7e1fc4e2a1957d0551e65c95076ce41ae65ee6692c59100e

SHA512
1146500559fdc7de680b10063ec83e74941e7556addc100c2e9208955fdff5e890812d94e3485cf62851185208c7fc7ad416748e9ac2c43d769dd2e92ae76136

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_c0gz2s3d.pvc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDD50.tmp

Filesize
1KB

MD5
533deb3820382a683abca1fb78301cf5

SHA1
702bae2cf5e7a27d07d4ddbea0aa16bdbc0f8217

SHA256
c7cf80a749ddac89d94ed8e6b8062791759bc5a394d77cd908c95b1627e69dbf

SHA512
c2d17eb8f215800a46a2c733acae6954d5adbe7ad39bc33c9ce1dd23019a886aed7c0dd6ee9f9bfb039e67ea3ee44eae87f75e1ede8f0626fe686b9d98c5e0b2

Download Submit
memory/1072-37-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1072-83-0x0000000007990000-0x0000000007998000-memory.dmp

Filesize
32KB

Download
memory/1072-65-0x0000000075120000-0x000000007516C000-memory.dmp

Filesize
304KB

Download
memory/1072-20-0x00000000053A0000-0x00000000053C2000-memory.dmp

Filesize
136KB

Download
memory/1072-82-0x00000000079B0000-0x00000000079CA000-memory.dmp

Filesize
104KB

Download
memory/1072-81-0x00000000078B0000-0x00000000078C4000-memory.dmp

Filesize
80KB

Download
memory/1072-19-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1072-21-0x00000000054C0000-0x0000000005526000-memory.dmp

Filesize
408KB

Download
memory/1072-79-0x0000000007870000-0x0000000007881000-memory.dmp

Filesize
68KB

Download
memory/1072-91-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1072-22-0x00000000055B0000-0x0000000005616000-memory.dmp

Filesize
408KB

Download
memory/1072-23-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1116-46-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1816-7-0x0000000006E00000-0x0000000006E1A000-memory.dmp

Filesize
104KB

Download
memory/1816-4-0x0000000003240000-0x000000000324A000-memory.dmp

Filesize
40KB

Download
memory/1816-1-0x0000000000BB0000-0x0000000000C88000-memory.dmp

Filesize
864KB

Download
memory/1816-10-0x00000000087E0000-0x000000000885A000-memory.dmp

Filesize
488KB

Download
memory/1816-2-0x0000000005E50000-0x00000000063F4000-memory.dmp

Filesize
5.6MB

Download
memory/1816-9-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1816-8-0x000000007487E000-0x000000007487F000-memory.dmp

Filesize
4KB

Download
memory/1816-6-0x0000000006EB0000-0x0000000006F4C000-memory.dmp

Filesize
624KB

Download
memory/1816-5-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1816-49-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1816-0-0x000000007487E000-0x000000007487F000-memory.dmp

Filesize
4KB

Download
memory/1816-3-0x00000000056F0000-0x0000000005782000-memory.dmp

Filesize
584KB

Download
memory/2420-84-0x00000000009E0000-0x00000000009F6000-memory.dmp

Filesize
88KB

Download
memory/2420-92-0x0000000000110000-0x000000000013F000-memory.dmp

Filesize
188KB

Download
memory/2976-17-0x0000000005060000-0x0000000005688000-memory.dmp

Filesize
6.2MB

Download
memory/2976-52-0x0000000006EB0000-0x0000000006EE2000-memory.dmp

Filesize
200KB

Download
memory/2976-53-0x0000000075120000-0x000000007516C000-memory.dmp

Filesize
304KB

Download
memory/2976-75-0x00000000078A0000-0x0000000007F1A000-memory.dmp

Filesize
6.5MB

Download
memory/2976-76-0x0000000007260000-0x000000000727A000-memory.dmp

Filesize
104KB

Download
memory/2976-77-0x00000000072D0000-0x00000000072DA000-memory.dmp

Filesize
40KB

Download
memory/2976-78-0x00000000074E0000-0x0000000007576000-memory.dmp

Filesize
600KB

Download
memory/2976-64-0x0000000006F00000-0x0000000006FA3000-memory.dmp

Filesize
652KB

Download
memory/2976-80-0x0000000007490000-0x000000000749E000-memory.dmp

Filesize
56KB

Download
memory/2976-63-0x0000000006E90000-0x0000000006EAE000-memory.dmp

Filesize
120KB

Download
memory/2976-51-0x0000000005FC0000-0x000000000600C000-memory.dmp

Filesize
304KB

Download
memory/2976-50-0x0000000005F40000-0x0000000005F5E000-memory.dmp

Filesize
120KB

Download
memory/2976-25-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/2976-87-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/2976-24-0x0000000005910000-0x0000000005C64000-memory.dmp

Filesize
3.3MB

Download
memory/2976-18-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/2976-16-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/2976-15-0x0000000004960000-0x0000000004996000-memory.dmp

Filesize
216KB

Download
memory/3428-96-0x00000000085B0000-0x00000000086DE000-memory.dmp

Filesize
1.2MB

Download