formbook | 9aac143a5b53382d997afbcedb320d01d61a42a1bcdeb5e16acf6e390a5472f4

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 20:50

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General

Target

2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe
Size

235KB
MD5

70c7aafd547e31c6586a06cd78e67112
SHA1

3056416bb759ed568ee33a56ebbad79d9939d617
SHA256

2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc
SHA512

ec52a4a00e8b132ec0602913ccd2a20159757b7e5a3ae86b595a49fae3c22fb1514e30d9ac8c556644af5a7e752cff45dbd6d199bbd2363e502464b923224c85
SSDEEP

6144:cQqeveGtmF/DcIZwVUngiiT4g0MwULfNQX79Psxd0YkbXuqt:Pv589nZYUnk0gAULf2h0dVkb+S

Score

10^/10

formbook uer0 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

uer0

Decoy

bonds101.com

lyotrust.com

can-amchainseurope.com

mysoulcure.com

hometownsmut.com

cxpzhy.site

hjklrmn.xyz

bsdminingservice.com

mockpacket.com

standwithkam.com

yxbdj.com

soulseedz.com

whxldjt.com

ruayhunhangseng.com

benefitcrystal.info

rahalake.com

cryptnex.com

comicslighthouse.com

ridenwithbiden.net

samsunbilsem.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2520-11-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Loads dropped DLL 2 IoCs

pid	Process
2040	2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe
2040	2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2040 set thread context of 2520	2040	2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe	30

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 1 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	2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2040	2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe
2040	2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe
2040	2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe
2040	2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe
2520	2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2040	2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 2520	2040	2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe	30
PID 2040 wrote to memory of 2520	2040	2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe	30
PID 2040 wrote to memory of 2520	2040	2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe	30
PID 2040 wrote to memory of 2520	2040	2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe	30
PID 2040 wrote to memory of 2520	2040	2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe	30

C:\Users\Admin\AppData\Local\Temp\2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe
"C:\Users\Admin\AppData\Local\Temp\2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Local\Temp\2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe
  "C:\Users\Admin\AppData\Local\Temp\2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

\Users\Admin\AppData\Local\Temp\nso9AF9.tmp\System.dll

Filesize
11KB

MD5
fccff8cb7a1067e23fd2e2b63971a8e1

SHA1
30e2a9e137c1223a78a0f7b0bf96a1c361976d91

SHA256
6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

SHA512
f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

Download Submit
memory/2520-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

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