formbook | 491a2083c1bfd87c4b26dd687316b7fc50e2a35771e57e45769043d21bc8bca5

Analysis

max time kernel
148s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 20:42

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General

Target

nuevo orden.xlsx.exe
Size

741KB
MD5

b414629b844d0a8cf08cd22d175a82f6
SHA1

0d9f83e40a924ba16e9bde6f3d2b5dbc19056703
SHA256

6124faef534c43b40607b85ffc1798cb3064d7eb2239422d2b35826a6de5e3ee
SHA512

d4e6f4f21b5426dcbac8d53feb96155202d9f09ac51299c3b3d02b7d5163f6043e175e9f36ea08503de98aad21ff5ff1dcc0a68e8ab4cfad4a279795720f6c53
SSDEEP

12288:qG2AZMzJWsuhczRVQEIcA3Q9UJwUIscc1FOg9Y9jg0Fl6p+liq+c:qG21JnuizRV7lUJgog

Score

10^/10

formbook xloader f3bq discovery loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

f3bq

Decoy

EycW4KsHurZ80uRoO5Ci7qqvYA==

qTeo+vvLiXtITF++qA==

aN69k0COUW1Xt8xTIGl1GX59NYoXPHZh

WHDM3u/Jyu6xx5lEtISl7qqvYA==

TOlj27idD7p4MYTE/Dg=

AC71rZJwmD0TY/VK

iysL+SA+7FMTY/VK

N9e+ns2plwr+0C83ztRc

6OQtlIdjkAvFqzE3ztRc

39k8+W7n0llTNYTE/Dg=

lq0Y/ktyn0MDx01CfsfvG7U9PPw=

3nxaPQRrFwnWKDC65zBq+Q==

R9OzJ70qqVH/f7b0URQN4fTL

9zWtmE24YYxslCdqsboN4fTL

oTchmfxOEi4wtQ0S7PvY0Xo=

HrCsl9K1sdiImmzWGO4ijiPpdw==

rFQw9LEwYAcIBNU3ztRc

Z50ArBOKdqETY/VK

T0mvicHsMFkHw0o=

Yw/oyfoe2flkp5Me82IED5nEG9gYYQ==

Extracted

Family

xloader

Version

2.9

Campaign

f3bq

Decoy

EycW4KsHurZ80uRoO5Ci7qqvYA==

qTeo+vvLiXtITF++qA==

aN69k0COUW1Xt8xTIGl1GX59NYoXPHZh

WHDM3u/Jyu6xx5lEtISl7qqvYA==

TOlj27idD7p4MYTE/Dg=

AC71rZJwmD0TY/VK

iysL+SA+7FMTY/VK

N9e+ns2plwr+0C83ztRc

6OQtlIdjkAvFqzE3ztRc

39k8+W7n0llTNYTE/Dg=

lq0Y/ktyn0MDx01CfsfvG7U9PPw=

3nxaPQRrFwnWKDC65zBq+Q==

R9OzJ70qqVH/f7b0URQN4fTL

9zWtmE24YYxslCdqsboN4fTL

oTchmfxOEi4wtQ0S7PvY0Xo=

HrCsl9K1sdiImmzWGO4ijiPpdw==

rFQw9LEwYAcIBNU3ztRc

Z50ArBOKdqETY/VK

T0mvicHsMFkHw0o=

Yw/oyfoe2flkp5Me82IED5nEG9gYYQ==

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
Xloader family
xloader

Xloader payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/3560-11-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/3560-16-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/3560-20-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/2204-26-0x0000000000D90000-0x0000000000DBC000-memory.dmp	xloader

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	nuevo orden.xlsx.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4856 set thread context of 3560	4856	nuevo orden.xlsx.exe	85
PID 3560 set thread context of 3440	3560	nuevo orden.xlsx.exe	56
PID 3560 set thread context of 3440	3560	nuevo orden.xlsx.exe	56
PID 2204 set thread context of 3440	2204	ipconfig.exe	56

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nuevo orden.xlsx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2204	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4856	nuevo orden.xlsx.exe
4856	nuevo orden.xlsx.exe
4856	nuevo orden.xlsx.exe
4856	nuevo orden.xlsx.exe
3560	nuevo orden.xlsx.exe
3560	nuevo orden.xlsx.exe
3560	nuevo orden.xlsx.exe
3560	nuevo orden.xlsx.exe
3560	nuevo orden.xlsx.exe
3560	nuevo orden.xlsx.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe
2204	ipconfig.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3560	nuevo orden.xlsx.exe
3560	nuevo orden.xlsx.exe
3560	nuevo orden.xlsx.exe
3560	nuevo orden.xlsx.exe
2204	ipconfig.exe
2204	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4856	nuevo orden.xlsx.exe
Token: SeDebugPrivilege	3560	nuevo orden.xlsx.exe
Token: SeDebugPrivilege	2204	ipconfig.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 4760	4856	nuevo orden.xlsx.exe	83
PID 4856 wrote to memory of 4760	4856	nuevo orden.xlsx.exe	83
PID 4856 wrote to memory of 4760	4856	nuevo orden.xlsx.exe	83
PID 4856 wrote to memory of 2844	4856	nuevo orden.xlsx.exe	84
PID 4856 wrote to memory of 2844	4856	nuevo orden.xlsx.exe	84
PID 4856 wrote to memory of 2844	4856	nuevo orden.xlsx.exe	84
PID 4856 wrote to memory of 3560	4856	nuevo orden.xlsx.exe	85
PID 4856 wrote to memory of 3560	4856	nuevo orden.xlsx.exe	85
PID 4856 wrote to memory of 3560	4856	nuevo orden.xlsx.exe	85
PID 4856 wrote to memory of 3560	4856	nuevo orden.xlsx.exe	85
PID 4856 wrote to memory of 3560	4856	nuevo orden.xlsx.exe	85
PID 4856 wrote to memory of 3560	4856	nuevo orden.xlsx.exe	85
PID 3440 wrote to memory of 2204	3440	Explorer.EXE	90
PID 3440 wrote to memory of 2204	3440	Explorer.EXE	90
PID 3440 wrote to memory of 2204	3440	Explorer.EXE	90
PID 2204 wrote to memory of 1728	2204	ipconfig.exe	98
PID 2204 wrote to memory of 1728	2204	ipconfig.exe	98
PID 2204 wrote to memory of 1728	2204	ipconfig.exe	98

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Users\Admin\AppData\Local\Temp\nuevo orden.xlsx.exe
  "C:\Users\Admin\AppData\Local\Temp\nuevo orden.xlsx.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4856
- - C:\Users\Admin\AppData\Local\Temp\nuevo orden.xlsx.exe
    "C:\Users\Admin\AppData\Local\Temp\nuevo orden.xlsx.exe"
    3⤵
    PID:4760
- - C:\Users\Admin\AppData\Local\Temp\nuevo orden.xlsx.exe
    "C:\Users\Admin\AppData\Local\Temp\nuevo orden.xlsx.exe"
    3⤵
    PID:2844
- - C:\Users\Admin\AppData\Local\Temp\nuevo orden.xlsx.exe
    "C:\Users\Admin\AppData\Local\Temp\nuevo orden.xlsx.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3560
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:3344
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2456
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:4512
- 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:2204
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\nuevo orden.xlsx.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

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

memory/2204-26-0x0000000000D90000-0x0000000000DBC000-memory.dmp

Filesize
176KB

Download
memory/2204-25-0x0000000000AB0000-0x0000000000ABB000-memory.dmp

Filesize
44KB

Download
memory/2204-24-0x0000000000AB0000-0x0000000000ABB000-memory.dmp

Filesize
44KB

Download
memory/3440-18-0x0000000003020000-0x00000000030D9000-memory.dmp

Filesize
740KB

Download
memory/3440-33-0x0000000008850000-0x00000000089D0000-memory.dmp

Filesize
1.5MB

Download
memory/3440-32-0x0000000008850000-0x00000000089D0000-memory.dmp

Filesize
1.5MB

Download
memory/3440-30-0x0000000008850000-0x00000000089D0000-memory.dmp

Filesize
1.5MB

Download
memory/3440-27-0x00000000082B0000-0x000000000842A000-memory.dmp

Filesize
1.5MB

Download
memory/3440-23-0x0000000003020000-0x00000000030D9000-memory.dmp

Filesize
740KB

Download
memory/3440-22-0x00000000082B0000-0x000000000842A000-memory.dmp

Filesize
1.5MB

Download
memory/3560-17-0x0000000001560000-0x0000000001571000-memory.dmp

Filesize
68KB

Download
memory/3560-20-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3560-11-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3560-14-0x0000000001150000-0x000000000149A000-memory.dmp

Filesize
3.3MB

Download
memory/3560-21-0x00000000015D0000-0x00000000015E1000-memory.dmp

Filesize
68KB

Download
memory/3560-16-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4856-10-0x000000000A480000-0x000000000A4D2000-memory.dmp

Filesize
328KB

Download
memory/4856-9-0x000000000A520000-0x000000000A5BC000-memory.dmp

Filesize
624KB

Download
memory/4856-0-0x0000000074F2E000-0x0000000074F2F000-memory.dmp

Filesize
4KB

Download
memory/4856-13-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4856-8-0x000000000A3F0000-0x000000000A47A000-memory.dmp

Filesize
552KB

Download
memory/4856-7-0x0000000008FA0000-0x0000000008FAA000-memory.dmp

Filesize
40KB

Download
memory/4856-6-0x00000000086C0000-0x00000000086CE000-memory.dmp

Filesize
56KB

Download
memory/4856-5-0x0000000004960000-0x000000000496A000-memory.dmp

Filesize
40KB

Download
memory/4856-4-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4856-3-0x00000000073B0000-0x0000000007442000-memory.dmp

Filesize
584KB

Download
memory/4856-2-0x0000000007880000-0x0000000007E24000-memory.dmp

Filesize
5.6MB

Download
memory/4856-1-0x0000000000570000-0x0000000000630000-memory.dmp

Filesize
768KB

Download