formbook | ab97265f431377cd69aff7aed2c43778360f2d58bad6e0b86c007ad25727bf85

General

Target

nqyjqo.exe
Size

100KB
MD5

3d5e9bfede23e9c1b446fc3f9274d764
SHA1

0844992797324021269266770a5c77d31f4ae95f
SHA256

77a8bd4f7e493bf79ecc66caeabfa0e769c8a236cf67c61c94d5f8c58cc69d3e
SHA512

6c8f750bbb4d35c055390d72c3b8232e646390155532517640fa479ee0b2d1891997ff18d26c01a1d66c9d751d3f6215387f1df12d73f0249acdc7827647cb52
SSDEEP

3072:qiOJNQvDOGx9jVgAdE9UsbbrkQFqhDJ255C5M4Q:sYDJXgTUmzq+

Score

10^/10

formbook u6hu discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

u6hu

Decoy

OvIuZKrtOMxghbaZbvb/8h9g+Q==

mjHLVEVO8gwVeZ+7

Lh1lcZzH8pTXgpdDzV0vzyVooAsviHQ=

OzJXhMQYaQKNT1aBY/gM8h9g+Q==

WSJFbX28mK+jXVvRJofdtSc=

mEv6JdT2o7Nq++XYt8MFpx5QrhRdhA==

Wxf/NnjMRlBj6JK3jg==

nB21Q0tg7gEVeZ+7

IZinOswGUPAn51eHvCAoMetC

INxV9PYg7AQP0xyDAyg=

kkZP+Iq1AgMVeZ+7

meuru6sSaxxuoLS7gA==

y0jMTFyffedqCSRXVfm/

sJbTfRVKuQScxw==

+ecHP3ayIjYFnb7j2Pt6z5dK

uZnHRwRE9QwVeZ+7

ZBg6Sy054P4oHp0DknCx

nFXn8j4yTuJ9aOfNlw==

35ygHt8uASpReRyDAyg=

8nT3T+8eWeh6aOfNlw==

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

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-1-5-21-3692679935-4019334568-335155002-1000\Control Panel\International\Geo\Nation	nqyjqo.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2200 set thread context of 1688	2200	nqyjqo.exe	30
PID 1688 set thread context of 1272	1688	nqyjqo.exe	21
PID 1688 set thread context of 1272	1688	nqyjqo.exe	21
PID 368 set thread context of 1272	368	systray.exe	21

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	nqyjqo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nqyjqo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
1688	nqyjqo.exe
1688	nqyjqo.exe
1688	nqyjqo.exe
1688	nqyjqo.exe
1688	nqyjqo.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2200	nqyjqo.exe
1688	nqyjqo.exe
1688	nqyjqo.exe
1688	nqyjqo.exe
1688	nqyjqo.exe
368	systray.exe
368	systray.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1688	nqyjqo.exe
Token: SeDebugPrivilege	368	systray.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 1688	2200	nqyjqo.exe	30
PID 2200 wrote to memory of 1688	2200	nqyjqo.exe	30
PID 2200 wrote to memory of 1688	2200	nqyjqo.exe	30
PID 2200 wrote to memory of 1688	2200	nqyjqo.exe	30
PID 2200 wrote to memory of 1688	2200	nqyjqo.exe	30
PID 1688 wrote to memory of 368	1688	nqyjqo.exe	32
PID 1688 wrote to memory of 368	1688	nqyjqo.exe	32
PID 1688 wrote to memory of 368	1688	nqyjqo.exe	32
PID 1688 wrote to memory of 368	1688	nqyjqo.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1272
- C:\Users\Admin\AppData\Local\Temp\nqyjqo.exe
  "C:\Users\Admin\AppData\Local\Temp\nqyjqo.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2200
- - C:\Users\Admin\AppData\Local\Temp\nqyjqo.exe
    "C:\Users\Admin\AppData\Local\Temp\nqyjqo.exe"
    3⤵
    - Checks computer location settings
    - 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:1688
  - - C:\Windows\SysWOW64\systray.exe
      "C:\Windows\SysWOW64\systray.exe"
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:368

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/368-18-0x0000000000110000-0x000000000013D000-memory.dmp

Filesize
180KB

Download
memory/368-15-0x0000000000210000-0x0000000000215000-memory.dmp

Filesize
20KB

Download
memory/368-16-0x0000000000210000-0x0000000000215000-memory.dmp

Filesize
20KB

Download
memory/1272-13-0x0000000006B90000-0x0000000006D1E000-memory.dmp

Filesize
1.6MB

Download
memory/1272-17-0x0000000006E80000-0x0000000006FFF000-memory.dmp

Filesize
1.5MB

Download
memory/1272-14-0x0000000006E80000-0x0000000006FFF000-memory.dmp

Filesize
1.5MB

Download
memory/1272-8-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1272-9-0x0000000006B90000-0x0000000006D1E000-memory.dmp

Filesize
1.6MB

Download
memory/1688-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1688-12-0x0000000000490000-0x00000000004A0000-memory.dmp

Filesize
64KB

Download
memory/1688-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1688-7-0x00000000003E0000-0x00000000003F0000-memory.dmp

Filesize
64KB

Download
memory/1688-4-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/1688-3-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1688-1-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2200-0-0x0000000000100000-0x0000000000102000-memory.dmp

Filesize
8KB

Download

Analysis

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