formbook | ab97265f431377cd69aff7aed2c43778360f2d58bad6e0b86c007ad25727bf85

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 06:03

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General

Target

e29feb7fcc81e09ebf6a86b0d620c54e1a134ab98cbd9c13323bf5a6ae7e9088.exe
Size

282KB
MD5

a8566feb30efadda298aa9aa48ed6231
SHA1

3500451818de70121de56672eae034a73674ac55
SHA256

e29feb7fcc81e09ebf6a86b0d620c54e1a134ab98cbd9c13323bf5a6ae7e9088
SHA512

c8ce0767ec6e6c6bbb23169ea5a0981e3dd49b794d09065d84bcc200f27a5543d39b20991955cddb351350f93d75fdfef871f2c6bcacca00abe57cea06122397
SSDEEP

6144:MEa0NZojwkXWEwM3e6YMrKpnTCNATU5H4yjyY:XZ+nWZM3eRM+pnTCn5ByY

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

Executes dropped EXE 2 IoCs

pid	Process
1532	nqyjqo.exe
3680	nqyjqo.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1532 set thread context of 3680	1532	nqyjqo.exe	84
PID 3680 set thread context of 3464	3680	nqyjqo.exe	56
PID 244 set thread context of 3464	244	control.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 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	e29feb7fcc81e09ebf6a86b0d620c54e1a134ab98cbd9c13323bf5a6ae7e9088.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nqyjqo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	control.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	control.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3680	nqyjqo.exe
3680	nqyjqo.exe
3680	nqyjqo.exe
3680	nqyjqo.exe
3680	nqyjqo.exe
3680	nqyjqo.exe
3680	nqyjqo.exe
3680	nqyjqo.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
1532	nqyjqo.exe
3680	nqyjqo.exe
3680	nqyjqo.exe
3680	nqyjqo.exe
244	control.exe
244	control.exe
244	control.exe
244	control.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3680	nqyjqo.exe
Token: SeDebugPrivilege	244	control.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 700 wrote to memory of 1532	700	e29feb7fcc81e09ebf6a86b0d620c54e1a134ab98cbd9c13323bf5a6ae7e9088.exe	83
PID 700 wrote to memory of 1532	700	e29feb7fcc81e09ebf6a86b0d620c54e1a134ab98cbd9c13323bf5a6ae7e9088.exe	83
PID 700 wrote to memory of 1532	700	e29feb7fcc81e09ebf6a86b0d620c54e1a134ab98cbd9c13323bf5a6ae7e9088.exe	83
PID 1532 wrote to memory of 3680	1532	nqyjqo.exe	84
PID 1532 wrote to memory of 3680	1532	nqyjqo.exe	84
PID 1532 wrote to memory of 3680	1532	nqyjqo.exe	84
PID 1532 wrote to memory of 3680	1532	nqyjqo.exe	84
PID 3464 wrote to memory of 244	3464	Explorer.EXE	85
PID 3464 wrote to memory of 244	3464	Explorer.EXE	85
PID 3464 wrote to memory of 244	3464	Explorer.EXE	85
PID 244 wrote to memory of 4776	244	control.exe	101
PID 244 wrote to memory of 4776	244	control.exe	101
PID 244 wrote to memory of 4776	244	control.exe	101

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3464
- C:\Users\Admin\AppData\Local\Temp\e29feb7fcc81e09ebf6a86b0d620c54e1a134ab98cbd9c13323bf5a6ae7e9088.exe
  "C:\Users\Admin\AppData\Local\Temp\e29feb7fcc81e09ebf6a86b0d620c54e1a134ab98cbd9c13323bf5a6ae7e9088.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:700
- - C:\Users\Admin\AppData\Local\Temp\nqyjqo.exe
    "C:\Users\Admin\AppData\Local\Temp\nqyjqo.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:1532
  - - C:\Users\Admin\AppData\Local\Temp\nqyjqo.exe
      "C:\Users\Admin\AppData\Local\Temp\nqyjqo.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:3680
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:244
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:4776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\nqyjqo.exe

Filesize
100KB

MD5
3d5e9bfede23e9c1b446fc3f9274d764

SHA1
0844992797324021269266770a5c77d31f4ae95f

SHA256
77a8bd4f7e493bf79ecc66caeabfa0e769c8a236cf67c61c94d5f8c58cc69d3e

SHA512
6c8f750bbb4d35c055390d72c3b8232e646390155532517640fa479ee0b2d1891997ff18d26c01a1d66c9d751d3f6215387f1df12d73f0249acdc7827647cb52

Download Submit
C:\Users\Admin\AppData\Local\Temp\udcaflqnoy.sk

Filesize
5KB

MD5
7602d66da5640cb773c3b532ca34d3a0

SHA1
3f3207d37be60e4fde2cabb4b3847b8871fa2428

SHA256
ee0cfa3692c315da80ec77794aed97dc18991b69f52372bab355b17dba5e0533

SHA512
0974eeca1f3e59d5a0382a860044143e430db08b937bb557cfbb16bc326770e8da852bd14df79ced204e5d0352c8a48fd0ccbc7265c228bb93857350a1a0215b

Download Submit
C:\Users\Admin\AppData\Local\Temp\ywlksxmah.ls

Filesize
184KB

MD5
44bc927ca1bd29b6171b02f5a350e31c

SHA1
3c37defc56421de9eed728b8f78ea86c57475114

SHA256
7c867fd5ff083e918b37c08e3677819cbd85156520a27d0a9ab2a6d19726cf8b

SHA512
cb607e06cc2efadaf0540833a249b1c4eb1f358e7935fb489fb3f663f65664a8a98283edea394c04a6a18c17d82f057814bf4483e37b46876fe91fd36289a76a

Download Submit
memory/244-20-0x00000000004C0000-0x00000000004ED000-memory.dmp

Filesize
180KB

Download
memory/244-18-0x0000000000B00000-0x0000000000B27000-memory.dmp

Filesize
156KB

Download
memory/244-19-0x0000000000B00000-0x0000000000B27000-memory.dmp

Filesize
156KB

Download
memory/1532-7-0x0000000001000000-0x0000000001002000-memory.dmp

Filesize
8KB

Download
memory/3464-17-0x0000000006AD0000-0x0000000006C31000-memory.dmp

Filesize
1.4MB

Download
memory/3464-21-0x0000000006AD0000-0x0000000006C31000-memory.dmp

Filesize
1.4MB

Download
memory/3464-25-0x0000000008610000-0x000000000877B000-memory.dmp

Filesize
1.4MB

Download
memory/3464-26-0x0000000008610000-0x000000000877B000-memory.dmp

Filesize
1.4MB

Download
memory/3464-28-0x0000000008610000-0x000000000877B000-memory.dmp

Filesize
1.4MB

Download
memory/3680-16-0x0000000001090000-0x00000000010A0000-memory.dmp

Filesize
64KB

Download
memory/3680-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3680-13-0x00000000012C0000-0x000000000160A000-memory.dmp

Filesize
3.3MB

Download
memory/3680-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3680-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download