formbook | 9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4

General

Target

9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe
Size

889KB
MD5

60907b42e4beb3cac3ad1253542ce0c9
SHA1

c2f8333319713aca8740b24816637f36328e8d01
SHA256

9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4
SHA512

b39223428b3bb8b09f2b9753881075790ae47236addadd7dc6213e4e26e11cbc84713b5188f8738130df3147f529b7f945aa233548a27469353d0011ee2631a0
SSDEEP

12288:JE2EdrSrR3yrRGcpAHOaLZrSvwFjo51LtnNfK9sN:JE2E1SrRCr4bXdS4FjS1BA9s

Score

10^/10

formbook gd04 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gd04

Decoy

f5u8utd50.icu

ob-offer-33304.bond

aaf.zone

hoppersrack.store

nline-gaming-33476.bond

isionaryvault.online

ilitary-jobs-88516.bond

iyxym.info

eyes.xyz

refle.xyz

kinsmonlkey.shop

oruu.shop

est2x2.online

nline-advertising-77889.bond

hepresspoolai.xyz

anilaberg.online

reimutigleben.store

anguage-courses-22450.bond

zzt.xyz

kfn.lat

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/2840-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2124 set thread context of 2840	2124	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2768	2840	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2840	2124	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe	31
PID 2124 wrote to memory of 2840	2124	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe	31
PID 2124 wrote to memory of 2840	2124	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe	31
PID 2124 wrote to memory of 2840	2124	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe	31
PID 2124 wrote to memory of 2840	2124	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe	31
PID 2124 wrote to memory of 2840	2124	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe	31
PID 2124 wrote to memory of 2840	2124	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe	31
PID 2840 wrote to memory of 2768	2840	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe	32
PID 2840 wrote to memory of 2768	2840	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe	32
PID 2840 wrote to memory of 2768	2840	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe	32
PID 2840 wrote to memory of 2768	2840	9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe	32

C:\Users\Admin\AppData\Local\Temp\9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe
"C:\Users\Admin\AppData\Local\Temp\9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe
  "C:\Users\Admin\AppData\Local\Temp\9f184a39f058cdf0d50fd15f34eb5b7f5d1421db80cb91d9efc829da9d9515e4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 36
    3⤵
    - Program crash
    PID:2768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/2124-0-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/2124-1-0x0000000000310000-0x00000000003F4000-memory.dmp

Filesize
912KB

Download
memory/2124-2-0x0000000074EC0000-0x00000000755AE000-memory.dmp

Filesize
6.9MB

Download
memory/2124-3-0x0000000000470000-0x000000000048E000-memory.dmp

Filesize
120KB

Download
memory/2124-4-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/2124-5-0x0000000074EC0000-0x00000000755AE000-memory.dmp

Filesize
6.9MB

Download
memory/2124-6-0x0000000004970000-0x00000000049EA000-memory.dmp

Filesize
488KB

Download
memory/2124-13-0x0000000074EC0000-0x00000000755AE000-memory.dmp

Filesize
6.9MB

Download
memory/2840-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2840-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2840-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2840-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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