formbook | 314bb1d4fa16c81993064e89179f3027d2c7235c7f829111884c2beac761b353

Analysis

max time kernel
139s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2023, 11:41

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General

Target

4E43EF75D5C98C17C569BF9EEE0C6128.exe
Size

272KB
MD5

4e43ef75d5c98c17c569bf9eee0c6128
SHA1

460adbbe24ceb5e17ef28f32811975865fe0f9ac
SHA256

314bb1d4fa16c81993064e89179f3027d2c7235c7f829111884c2beac761b353
SHA512

2f7e6ac7ba97123871fa9afd604b2a40fda6abf76b03e6c67dc97e698db8956f141808286f348e870810cad505d9a40226e97e35fce113e185750118d6911c23
SSDEEP

6144:PYa6sgzZPbTD9iKR539ZHLWcoi/tzKXvXz+DOYcus8djh11zXvif:PYKMZ/N/RacoMtzij+DOYb5hPqf

Score

10^/10

formbook mh21 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mh21

Decoy

qiandaye.top

zltgw.com

getxgp.link

forest-create.site

parsefilm.com

foodstore.top

reynoldsquality.com

tripleshops.com

altuwaijrifood.com

seniorassistedlivinglocator.com

essencedelanature.com

hrwv098.xyz

olkja.xyz

10685johansen.com

ajidenhp.com

sensifiedregistration.com

timetodatings.life

bizbet-review-pt.com

zhangming.asia

xn--vhq074eeozsda.top

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/644-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

pid	Process
3312	4E43EF75D5C98C17C569BF9EEE0C6128.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3312 set thread context of 644	3312	4E43EF75D5C98C17C569BF9EEE0C6128.exe	80

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
644	4E43EF75D5C98C17C569BF9EEE0C6128.exe
644	4E43EF75D5C98C17C569BF9EEE0C6128.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3312	4E43EF75D5C98C17C569BF9EEE0C6128.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3312 wrote to memory of 644	3312	4E43EF75D5C98C17C569BF9EEE0C6128.exe	80
PID 3312 wrote to memory of 644	3312	4E43EF75D5C98C17C569BF9EEE0C6128.exe	80
PID 3312 wrote to memory of 644	3312	4E43EF75D5C98C17C569BF9EEE0C6128.exe	80
PID 3312 wrote to memory of 644	3312	4E43EF75D5C98C17C569BF9EEE0C6128.exe	80

C:\Users\Admin\AppData\Local\Temp\4E43EF75D5C98C17C569BF9EEE0C6128.exe
"C:\Users\Admin\AppData\Local\Temp\4E43EF75D5C98C17C569BF9EEE0C6128.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3312
- C:\Users\Admin\AppData\Local\Temp\4E43EF75D5C98C17C569BF9EEE0C6128.exe
  "C:\Users\Admin\AppData\Local\Temp\4E43EF75D5C98C17C569BF9EEE0C6128.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsa121E.tmp\nhoilmmi.dll

Filesize
88KB

MD5
2c79d9f6cfe8f8b6e602ab1d54ef2723

SHA1
b8dd3435ce0f1d89881c5e064b88060b8db8fa03

SHA256
63fc2c300862681da657d2c1c07c566800e6d0ce38301d9c3208663dd3af37ab

SHA512
ecede2e616145856fc082c05cae99c6f9086e33c834071da1991d60bec4e07202aaa864629ccd86ad1e12a1f6426c4cb494dfcf909ce08d071b2f56d2efb43d1

Download Submit
memory/644-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/644-7-0x0000000000B30000-0x0000000000E7A000-memory.dmp

Filesize
3.3MB

Download
memory/3312-5-0x00000000031A0000-0x00000000031A2000-memory.dmp

Filesize
8KB

Download