formbook | 4d89f5965d9078fdc4cf78df139efadf7d69b71f4afad21d3c3425f956f23e67

General

Target

07NZTB1lYJ3GNVY.exe
Size

1.1MB
MD5

3452e570af3991f472169eee6c203c1e
SHA1

049ac3139640b3df7c840d2c24daff9dd094f779
SHA256

477ca79c48c0ae888a5da641e5fbabc7d7c8ba7100e77a9b09cc66719360b086
SHA512

4cf1057e557b640b5cbc9c1face2a90ce95b623f495101eb8db4e7b24503f6b3490916b214ed8baaee888cbe7e3a33c0c03010f4654e6bffc58b8b048aa11455
SSDEEP

24576:IkxmQl/6CFEjy+viaAlPVW4XwHwcGXJoRx:IkxvlZFEjRKaItXAG5oRx

Score

10^/10

formbook xloader roz2 discovery loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

roz2

Decoy

jTSEx/DqnWrhnUQ0UQ==

+8219xzGmr2teTrY+fSBK+NOiLc=

/6YHkqNBJiBHvzaT9f2W

56INgrlbOqaBFx2UX/U=

g0J6uduFMzkyC89A1m8MyELra5CYkg==

WAvnVEtqSgNq4NWIGAXQDw==

rlIzjaLSfvwnMJi2

hfKU4ncqea/ITgg=

YNFrxuPv2d1k/QOeQJqGeyg=

t0g0iJ7Nd90i20hzLkEVRcDa

1FRIgZcmCDwh9ACnP5qGeyg=

DgycCCcM7dZP0NaJOpqGeyg=

Hv2jETNeVgEnMJi2

iQT+U40uH2BeEMBvoaNh2I7D

B47/RHqHdm7inUQ0UQ==

HNWL4RdJKOonMJi2

E42gATYJ7NxBxcCv01T/Y925Vnt0

P/rfWIvXyITjrXNcBASU

3pfoX4MmDD0TnTKT9f2W

YevnQ1Wrj/z3k04K1GUjjiA=

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 3 IoCs

rat

resource	yara_rule
behavioral2/memory/4864-14-0x0000000000400000-0x000000000042D000-memory.dmp	xloader
behavioral2/memory/4864-19-0x0000000000400000-0x000000000042D000-memory.dmp	xloader
behavioral2/memory/1720-25-0x0000000000DD0000-0x0000000000DFD000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	07NZTB1lYJ3GNVY.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1596 set thread context of 4864	1596	07NZTB1lYJ3GNVY.exe	91
PID 4864 set thread context of 3568	4864	07NZTB1lYJ3GNVY.exe	56
PID 1720 set thread context of 3568	1720	wscript.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	07NZTB1lYJ3GNVY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
4864	07NZTB1lYJ3GNVY.exe
4864	07NZTB1lYJ3GNVY.exe
4864	07NZTB1lYJ3GNVY.exe
4864	07NZTB1lYJ3GNVY.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4864	07NZTB1lYJ3GNVY.exe
4864	07NZTB1lYJ3GNVY.exe
4864	07NZTB1lYJ3GNVY.exe
1720	wscript.exe
1720	wscript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4864	07NZTB1lYJ3GNVY.exe
Token: SeDebugPrivilege	1720	wscript.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 4864	1596	07NZTB1lYJ3GNVY.exe	91
PID 1596 wrote to memory of 4864	1596	07NZTB1lYJ3GNVY.exe	91
PID 1596 wrote to memory of 4864	1596	07NZTB1lYJ3GNVY.exe	91
PID 1596 wrote to memory of 4864	1596	07NZTB1lYJ3GNVY.exe	91
PID 1596 wrote to memory of 4864	1596	07NZTB1lYJ3GNVY.exe	91
PID 1596 wrote to memory of 4864	1596	07NZTB1lYJ3GNVY.exe	91
PID 3568 wrote to memory of 1720	3568	Explorer.EXE	92
PID 3568 wrote to memory of 1720	3568	Explorer.EXE	92
PID 3568 wrote to memory of 1720	3568	Explorer.EXE	92
PID 1720 wrote to memory of 4316	1720	wscript.exe	93
PID 1720 wrote to memory of 4316	1720	wscript.exe	93
PID 1720 wrote to memory of 4316	1720	wscript.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3568
- C:\Users\Admin\AppData\Local\Temp\07NZTB1lYJ3GNVY.exe
  "C:\Users\Admin\AppData\Local\Temp\07NZTB1lYJ3GNVY.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1596
- - C:\Users\Admin\AppData\Local\Temp\07NZTB1lYJ3GNVY.exe
    "C:\Users\Admin\AppData\Local\Temp\07NZTB1lYJ3GNVY.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4864
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.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:1720
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\07NZTB1lYJ3GNVY.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1596-12-0x0000000008250000-0x00000000082B6000-memory.dmp

Filesize
408KB

Download
memory/1596-2-0x00000000057D0000-0x0000000005D74000-memory.dmp

Filesize
5.6MB

Download
memory/1596-13-0x00000000080E0000-0x000000000812C000-memory.dmp

Filesize
304KB

Download
memory/1596-0-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/1596-4-0x0000000005120000-0x000000000512A000-memory.dmp

Filesize
40KB

Download
memory/1596-5-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/1596-6-0x00000000053C0000-0x00000000053DA000-memory.dmp

Filesize
104KB

Download
memory/1596-7-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/1596-8-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/1596-9-0x0000000007DD0000-0x0000000007DDC000-memory.dmp

Filesize
48KB

Download
memory/1596-10-0x0000000007FF0000-0x0000000008094000-memory.dmp

Filesize
656KB

Download
memory/1596-11-0x0000000008140000-0x00000000081DC000-memory.dmp

Filesize
624KB

Download
memory/1596-16-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/1596-1-0x0000000000750000-0x000000000086A000-memory.dmp

Filesize
1.1MB

Download
memory/1596-3-0x0000000005140000-0x00000000051D2000-memory.dmp

Filesize
584KB

Download
memory/1720-22-0x0000000000790000-0x00000000007B7000-memory.dmp

Filesize
156KB

Download
memory/1720-23-0x0000000000790000-0x00000000007B7000-memory.dmp

Filesize
156KB

Download
memory/1720-25-0x0000000000DD0000-0x0000000000DFD000-memory.dmp

Filesize
180KB

Download
memory/3568-30-0x0000000007530000-0x0000000007655000-memory.dmp

Filesize
1.1MB

Download
memory/3568-21-0x00000000084B0000-0x0000000008620000-memory.dmp

Filesize
1.4MB

Download
memory/3568-24-0x00000000084B0000-0x0000000008620000-memory.dmp

Filesize
1.4MB

Download
memory/3568-29-0x0000000007530000-0x0000000007655000-memory.dmp

Filesize
1.1MB

Download
memory/4864-17-0x00000000012E0000-0x000000000162A000-memory.dmp

Filesize
3.3MB

Download
memory/4864-20-0x00000000012A0000-0x00000000012B1000-memory.dmp

Filesize
68KB

Download
memory/4864-19-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4864-14-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

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