formbook | 039a772d1406c7ad7518515834bce307d39517eab581e8e829a11dd4f8a0de0d

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 03:38

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General

Target

SKM_C224e2104221317034443434434342244347.exe
Size

254KB
MD5

b312e3f54db0e9ba83b2a454b5de4bf1
SHA1

d5e9f1c71b6fc9b30c61a7267a4b5b032a611c9f
SHA256

6a06e74bde0a136b6d9b96b6093e1fc6d09f78adb6b167adcf82106356de3388
SHA512

5155e3aa8bd6a5c405bfbe92c66ad6e616b6e3c8c07d7ec5a54e09c247f8c3e514696e4104a71903f5f22f38085c68529f1df6eae46cc1edeb89725b76423e8e
SSDEEP

6144:wBlL/chrXUIY+prolgrBh6tikiWFNXiWX8+:Ceh2+prOsz6ckZzSWX8+

Score

10^/10

formbook a2d5 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a2d5

Decoy

theplam.com

kfmlegal.com

labottega.xyz

hhhtshg.com

kamerabudi.site

advancedsportz.com

hyperactive.life

mintyjazz.com

ashhpega.xyz

jbo.mobi

longthienvn.com

edwanflorist.com

sonyahfond.com

thezebraeffect.com

techgadgetssolutions.online

sekshikayeara.com

tavrida.xyz

vesulyo.xyz

pomegranatenoir.com

kaapcabins.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/1440-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

pid	Process
2372	SKM_C224e2104221317034443434434342244347.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2372 set thread context of 1440	2372	SKM_C224e2104221317034443434434342244347.exe	31

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	SKM_C224e2104221317034443434434342244347.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1440	SKM_C224e2104221317034443434434342244347.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 1440	2372	SKM_C224e2104221317034443434434342244347.exe	31
PID 2372 wrote to memory of 1440	2372	SKM_C224e2104221317034443434434342244347.exe	31
PID 2372 wrote to memory of 1440	2372	SKM_C224e2104221317034443434434342244347.exe	31
PID 2372 wrote to memory of 1440	2372	SKM_C224e2104221317034443434434342244347.exe	31
PID 2372 wrote to memory of 1440	2372	SKM_C224e2104221317034443434434342244347.exe	31
PID 2372 wrote to memory of 1440	2372	SKM_C224e2104221317034443434434342244347.exe	31
PID 2372 wrote to memory of 1440	2372	SKM_C224e2104221317034443434434342244347.exe	31

C:\Users\Admin\AppData\Local\Temp\SKM_C224e2104221317034443434434342244347.exe
"C:\Users\Admin\AppData\Local\Temp\SKM_C224e2104221317034443434434342244347.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\SKM_C224e2104221317034443434434342244347.exe
  "C:\Users\Admin\AppData\Local\Temp\SKM_C224e2104221317034443434434342244347.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1440

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\nstD4AE.tmp\pesaakdq.dll

Filesize
33KB

MD5
184b758268965aca6018f69dfe7d18d3

SHA1
3a25a53a14f5639ff368a33e8ec8a806d059c7eb

SHA256
a8d25a38820df99aa1b1be9dce4a30a99ec01c11287fe75cbdf02f8120e4935d

SHA512
aca7cee419ed6bd1bfe30f25d1cd59f8a5e98c88ba1c786e3f9b5814fd316d26d7e013ab6b85a475dddd598756ee4f3fea8027dbb693d54f6fd09e094cb65e85

Download Submit
memory/1440-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2372-7-0x0000000074FF7000-0x0000000074FF9000-memory.dmp

Filesize
8KB

Download