formbook | 339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16/01/2025, 02:29

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General

Target

339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe
Size

742KB
MD5

318b9fba04abf5010446161aed881cc2
SHA1

996a0ddc988e5f64537c37c68646efb2d8dacc4c
SHA256

339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97
SHA512

b84ecef8d7eab0b4c21520046fb92a242f23e9069480482b81871f327a5173adbbc0cdd2ba2ede1ec3ecdb33d477c7f5c978d00d2c2bf05abd89cb04081af9c6
SSDEEP

12288:VQoJNhQ/cWS7stsLbolyisOq+BGJpqp5VKr6FAr0trGsVagoW:V3JN+UVsa/olrBGCDVa6FAqrGWe

Score

10^/10

formbook a02d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a02d

Decoy

coplus.market

oofing-jobs-74429.bond

healchemists.xyz

oofcarpenternearme-jp.xyz

enewebsolutions.online

harepoint.legal

88977.club

omptables.xyz

eat-pumps-31610.bond

endown.graphics

amsexgirls.website

ovevibes.xyz

u-thiensu.online

yblinds.xyz

rumpchiefofstaff.store

erzog.fun

rrm.lat

agiclime.pro

agaviet59.shop

lbdoanhnhan.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/848-45-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1120-92-0x0000000000AB0000-0x0000000000ADF000-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
5108	powershell.exe
2636	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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2888 set thread context of 848	2888	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe	93
PID 848 set thread context of 3432	848	RegSvcs.exe	56
PID 1120 set thread context of 3432	1120	netsh.exe	56

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	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.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	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
1440	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
2888	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe
2636	powershell.exe
5108	powershell.exe
2888	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe
2636	powershell.exe
848	RegSvcs.exe
848	RegSvcs.exe
848	RegSvcs.exe
848	RegSvcs.exe
5108	powershell.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe
1120	netsh.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
848	RegSvcs.exe
848	RegSvcs.exe
848	RegSvcs.exe
1120	netsh.exe
1120	netsh.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2888	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe
Token: SeDebugPrivilege	2636	powershell.exe
Token: SeDebugPrivilege	5108	powershell.exe
Token: SeDebugPrivilege	848	RegSvcs.exe
Token: SeDebugPrivilege	1120	netsh.exe
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2636	2888	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe	87
PID 2888 wrote to memory of 2636	2888	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe	87
PID 2888 wrote to memory of 2636	2888	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe	87
PID 2888 wrote to memory of 5108	2888	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe	89
PID 2888 wrote to memory of 5108	2888	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe	89
PID 2888 wrote to memory of 5108	2888	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe	89
PID 2888 wrote to memory of 1440	2888	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe	91
PID 2888 wrote to memory of 1440	2888	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe	91
PID 2888 wrote to memory of 1440	2888	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe	91
PID 2888 wrote to memory of 848	2888	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe	93
PID 2888 wrote to memory of 848	2888	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe	93
PID 2888 wrote to memory of 848	2888	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe	93
PID 2888 wrote to memory of 848	2888	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe	93
PID 2888 wrote to memory of 848	2888	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe	93
PID 2888 wrote to memory of 848	2888	339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe	93
PID 3432 wrote to memory of 1120	3432	Explorer.EXE	94
PID 3432 wrote to memory of 1120	3432	Explorer.EXE	94
PID 3432 wrote to memory of 1120	3432	Explorer.EXE	94
PID 1120 wrote to memory of 3488	1120	netsh.exe	97
PID 1120 wrote to memory of 3488	1120	netsh.exe	97
PID 1120 wrote to memory of 3488	1120	netsh.exe	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3432
- C:\Users\Admin\AppData\Local\Temp\339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe
  "C:\Users\Admin\AppData\Local\Temp\339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.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:2888
- - 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\339c521fe6235de8b0b912c9fffcad6cc2eab721902ac095bafa510d68868c97.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2636
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\iWxVkVDQYvd.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5108
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iWxVkVDQYvd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAA2A.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1440
- - 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:848
- 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:1120
- - 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:3488

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
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

Filesize
18KB

MD5
ddc9a53566cc75fc5ab51eb6fe4cb159

SHA1
baf366f5ff847a75f5b3b364adc1783f76bec6b2

SHA256
6af3fa5ceeac736b5398643c1b1f7388adb06448335c2a33b493d4dc3fe2b942

SHA512
27e6c8fba0589296c894335fcf8d7d89d687f7bd894f1ff7b9945f3b902a94626301767eb7bb420cc43f08caca8709858605c1a6e87691cc0f1af59aec62c003

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rtm0aeeb.dc3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAA2A.tmp

Filesize
1KB

MD5
0ab2155b621c18f9ae89f7d1f3cab222

SHA1
94a86b0790ed86da2004071bb347b0ba9444c352

SHA256
11c1d7190298ddd4bc1bd28ac62cd689e97f0d96489661dea3202d8c0fac9064

SHA512
8e139190122be286f0a0126cb3892c43067643f5c346ae77f4b591fa01024487ff1beb5a21aec1ca204935545a22e309acc709fd3697fd7fe15b2b97ed6bb79b

Download Submit
memory/848-45-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1120-79-0x0000000000B40000-0x0000000000B5E000-memory.dmp

Filesize
120KB

Download
memory/1120-92-0x0000000000AB0000-0x0000000000ADF000-memory.dmp

Filesize
188KB

Download
memory/1120-78-0x0000000000B40000-0x0000000000B5E000-memory.dmp

Filesize
120KB

Download
memory/2636-17-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2636-22-0x00000000061B0000-0x0000000006216000-memory.dmp

Filesize
408KB

Download
memory/2636-73-0x0000000007820000-0x00000000078C3000-memory.dmp

Filesize
652KB

Download
memory/2636-15-0x0000000005230000-0x0000000005266000-memory.dmp

Filesize
216KB

Download
memory/2636-48-0x0000000006810000-0x000000000682E000-memory.dmp

Filesize
120KB

Download
memory/2636-16-0x0000000005940000-0x0000000005F68000-memory.dmp

Filesize
6.2MB

Download
memory/2636-18-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2636-53-0x0000000075540000-0x000000007558C000-memory.dmp

Filesize
304KB

Download
memory/2636-20-0x0000000005F70000-0x0000000005F92000-memory.dmp

Filesize
136KB

Download
memory/2636-82-0x0000000007D70000-0x0000000007D84000-memory.dmp

Filesize
80KB

Download
memory/2636-21-0x0000000006090000-0x00000000060F6000-memory.dmp

Filesize
408KB

Download
memory/2636-24-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2636-83-0x0000000007E70000-0x0000000007E8A000-memory.dmp

Filesize
104KB

Download
memory/2636-64-0x0000000006D70000-0x0000000006D8E000-memory.dmp

Filesize
120KB

Download
memory/2636-84-0x0000000007E50000-0x0000000007E58000-memory.dmp

Filesize
32KB

Download
memory/2636-49-0x0000000006DB0000-0x0000000006DFC000-memory.dmp

Filesize
304KB

Download
memory/2636-91-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2888-47-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2888-8-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2888-1-0x0000000000560000-0x0000000000620000-memory.dmp

Filesize
768KB

Download
memory/2888-2-0x00000000054A0000-0x0000000005A44000-memory.dmp

Filesize
5.6MB

Download
memory/2888-3-0x0000000004FE0000-0x0000000005072000-memory.dmp

Filesize
584KB

Download
memory/2888-4-0x00000000050A0000-0x00000000050AA000-memory.dmp

Filesize
40KB

Download
memory/2888-5-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2888-10-0x000000000C2B0000-0x000000000C34C000-memory.dmp

Filesize
624KB

Download
memory/2888-6-0x0000000006850000-0x0000000006876000-memory.dmp

Filesize
152KB

Download
memory/2888-7-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/2888-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/2888-9-0x00000000049D0000-0x0000000004A48000-memory.dmp

Filesize
480KB

Download
memory/3432-96-0x0000000008300000-0x0000000008399000-memory.dmp

Filesize
612KB

Download
memory/5108-19-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/5108-80-0x0000000007540000-0x0000000007551000-memory.dmp

Filesize
68KB

Download
memory/5108-81-0x00000000075B0000-0x00000000075BE000-memory.dmp

Filesize
56KB

Download
memory/5108-74-0x0000000007990000-0x000000000800A000-memory.dmp

Filesize
6.5MB

Download
memory/5108-75-0x0000000007340000-0x000000000735A000-memory.dmp

Filesize
104KB

Download
memory/5108-77-0x00000000075C0000-0x0000000007656000-memory.dmp

Filesize
600KB

Download
memory/5108-87-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/5108-30-0x0000000005A90000-0x0000000005DE4000-memory.dmp

Filesize
3.3MB

Download
memory/5108-52-0x0000000075540000-0x000000007558C000-memory.dmp

Filesize
304KB

Download
memory/5108-51-0x00000000071D0000-0x0000000007202000-memory.dmp

Filesize
200KB

Download
memory/5108-43-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/5108-76-0x00000000073B0000-0x00000000073BA000-memory.dmp

Filesize
40KB

Download