formbook | fd011c936eb901f9446d52d2497fa88900f28008308b25c8bf56f588ce15e7ff

General

Target

d036c4b1a4ff6265030084d453558c56f6a2d19b5a6af25943c47bc96895891c.exe
Size

330KB
MD5

58a93d1d064b9e8265ea798531adb0bf
SHA1

d5e30f238fabd304d30ba2c726c71fb47765b494
SHA256

d036c4b1a4ff6265030084d453558c56f6a2d19b5a6af25943c47bc96895891c
SHA512

c5e9c0e07ea8904a45011380836ff8f0b936954729df4fb18f62414322f5815ec8ebc5803729a13b783cf87a5bd723fc821405e3579e017c7b19059e57f76bfb
SSDEEP

6144:PYa69K+mD7y0q2hhBCH4m6Qx8qQ5+/ucZiE2TZPwc7j0W6KmZE0HOkv/kBa:PYnUD71qc+6Q+qQuu/Tn396KmLDv/

Score

10^/10

formbook xloader poub discovery loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

poub

Decoy

WY0eksfISzRg4O6c+opnGL6gaw==

moRjn9ExtYi8UmUo+Tya

2vME+GedoxzFnuLXesUoVj4=

EvW4JWJ1NQ8nN3tA3SM=

2mK9efMZMgN1VOs=

8d0jua5b0J6AQEW7

/2cyThOd37DSTYMASDye4Q0t/Vs=

ral+tbIh2KKAQEW7

YLY9jsPtYB/FRmMo+Tya

R1WcElWAMtFxFrVqtZT2ZpIS9xRZNho=

KFXGg/T1pCC9GjrxUPTcjw==

8mMlK5nDwjjPFTP5jMtAtQ0t/Vs=

c7am8nhhlCo=

UW91trZj6dENxuRdpxOvW1Cf

sjOMUcvq6lYJCZEfV4euFzY=

62nBgPjdmWQkmWElww==

64E8JqA1aruSUvw=

NqI1reXpcR+REye0

8+y1oOsbjgSyEhjXUPTcjw==

Rx9by8gNBwN1VOs=

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

Processes:

resource	yara_rule
behavioral1/memory/348-12-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/348-16-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/348-19-0x0000000000400000-0x000000000042C000-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

Processes:

xnozsgld.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Control Panel\International\Geo\Nation	xnozsgld.exe

Executes dropped EXE 2 IoCs

Processes:

xnozsgld.exexnozsgld.exe

pid	Process
2516	xnozsgld.exe
348	xnozsgld.exe

Loads dropped DLL 2 IoCs

Processes:

d036c4b1a4ff6265030084d453558c56f6a2d19b5a6af25943c47bc96895891c.exexnozsgld.exe

pid	Process
2976	d036c4b1a4ff6265030084d453558c56f6a2d19b5a6af25943c47bc96895891c.exe
2516	xnozsgld.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

xnozsgld.exexnozsgld.exe

description	pid	Process	procid_target
PID 2516 set thread context of 348	2516	xnozsgld.exe	31
PID 348 set thread context of 1180	348	xnozsgld.exe	21
PID 348 set thread context of 1180	348	xnozsgld.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2700	2836	WerFault.exe	33

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

Processes:

d036c4b1a4ff6265030084d453558c56f6a2d19b5a6af25943c47bc96895891c.exexnozsgld.exemsiexec.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d036c4b1a4ff6265030084d453558c56f6a2d19b5a6af25943c47bc96895891c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xnozsgld.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

xnozsgld.exe

pid	Process
348	xnozsgld.exe
348	xnozsgld.exe
348	xnozsgld.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

xnozsgld.exexnozsgld.exe

pid	Process
2516	xnozsgld.exe
348	xnozsgld.exe
348	xnozsgld.exe
348	xnozsgld.exe
348	xnozsgld.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

xnozsgld.exeExplorer.EXE

description	pid	Process
Token: SeDebugPrivilege	348	xnozsgld.exe
Token: SeShutdownPrivilege	1180	Explorer.EXE
Token: SeShutdownPrivilege	1180	Explorer.EXE
Token: SeShutdownPrivilege	1180	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

d036c4b1a4ff6265030084d453558c56f6a2d19b5a6af25943c47bc96895891c.exexnozsgld.exeExplorer.EXEmsiexec.exe

description	pid	Process	procid_target
PID 2976 wrote to memory of 2516	2976	d036c4b1a4ff6265030084d453558c56f6a2d19b5a6af25943c47bc96895891c.exe	30
PID 2976 wrote to memory of 2516	2976	d036c4b1a4ff6265030084d453558c56f6a2d19b5a6af25943c47bc96895891c.exe	30
PID 2976 wrote to memory of 2516	2976	d036c4b1a4ff6265030084d453558c56f6a2d19b5a6af25943c47bc96895891c.exe	30
PID 2976 wrote to memory of 2516	2976	d036c4b1a4ff6265030084d453558c56f6a2d19b5a6af25943c47bc96895891c.exe	30
PID 2516 wrote to memory of 348	2516	xnozsgld.exe	31
PID 2516 wrote to memory of 348	2516	xnozsgld.exe	31
PID 2516 wrote to memory of 348	2516	xnozsgld.exe	31
PID 2516 wrote to memory of 348	2516	xnozsgld.exe	31
PID 2516 wrote to memory of 348	2516	xnozsgld.exe	31
PID 1180 wrote to memory of 2836	1180	Explorer.EXE	33
PID 1180 wrote to memory of 2836	1180	Explorer.EXE	33
PID 1180 wrote to memory of 2836	1180	Explorer.EXE	33
PID 1180 wrote to memory of 2836	1180	Explorer.EXE	33
PID 1180 wrote to memory of 2836	1180	Explorer.EXE	33
PID 1180 wrote to memory of 2836	1180	Explorer.EXE	33
PID 1180 wrote to memory of 2836	1180	Explorer.EXE	33
PID 2836 wrote to memory of 2700	2836	msiexec.exe	34
PID 2836 wrote to memory of 2700	2836	msiexec.exe	34
PID 2836 wrote to memory of 2700	2836	msiexec.exe	34
PID 2836 wrote to memory of 2700	2836	msiexec.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Users\Admin\AppData\Local\Temp\d036c4b1a4ff6265030084d453558c56f6a2d19b5a6af25943c47bc96895891c.exe
  "C:\Users\Admin\AppData\Local\Temp\d036c4b1a4ff6265030084d453558c56f6a2d19b5a6af25943c47bc96895891c.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2976
- - C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe
    "C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe" C:\Users\Admin\AppData\Local\Temp\ucpha.v
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2516
  - - C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe
      "C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:348
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 268
    3⤵
    - Program crash
    PID:2700

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

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\hcmpu.cqa

Filesize
196KB

MD5
28eed71dacb4522dbf2c1aeca39e2c5d

SHA1
b5633dcf66f1657552ba992c55e7124250c23a35

SHA256
22bfb554d299b3fc4686643b0522384db2c92ebf64bd80475439b8dd9bbe7bc5

SHA512
7f08bc8237868fb6509baafd3c4a01663b0577ebec86aef9cb185bec13acb8c5787604329a85c74a2ebbc3f39933929a2f36ea21513330124bd2d66363e54cae

Download Submit
C:\Users\Admin\AppData\Local\Temp\ucpha.v

Filesize
5KB

MD5
d934356067b6133646fad1aa12371a1e

SHA1
23fe2ea62be0949a32ea6609345a8b8d27ce3757

SHA256
81f2eb3bd3c2135b0d6abdcc4f2e6427a76dac558928d4c8beb648a045010ae5

SHA512
26b50a5599353328bfc4609754ead9efd9e4084e4fdb6a9479ad56ea79aed81648de897e66c3dd1c9de1cdb6eba04855e4498f0d8d09f7804224ba27ceab91d8

Download Submit
\Users\Admin\AppData\Local\Temp\xnozsgld.exe

Filesize
253KB

MD5
d8394c44bc790e1bdab00823f689c1bd

SHA1
735d8986424e2ab3440f49a7a720ecaad43d491d

SHA256
234d80febbdd23b49a2ff5db4e51aa33e82cd77ff082ac6e8f32078cdd701007

SHA512
c6dd135932d86f6a7ae2b82045e024fddad3ce7286672c134e8314d2a7a003d237b4b62141b67c7947e6ca1fffa78047e015c5e714cfb56739ef152485cd559e

Download Submit
memory/348-19-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/348-12-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/348-16-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1180-17-0x0000000004D80000-0x0000000004EBB000-memory.dmp

Filesize
1.2MB

Download
memory/1180-20-0x0000000004D80000-0x0000000004EBB000-memory.dmp

Filesize
1.2MB

Download
memory/1180-21-0x0000000005110000-0x0000000005295000-memory.dmp

Filesize
1.5MB

Download
memory/1180-30-0x0000000005110000-0x0000000005295000-memory.dmp

Filesize
1.5MB

Download
memory/2516-8-0x0000000000260000-0x0000000000262000-memory.dmp

Filesize
8KB

Download
memory/2836-25-0x0000000000B50000-0x0000000000B64000-memory.dmp

Filesize
80KB

Download
memory/2836-24-0x0000000000B50000-0x0000000000B64000-memory.dmp

Filesize
80KB

Download
memory/2836-27-0x0000000000B50000-0x0000000000B64000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads