formbook | 667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78

General

Target

667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe
Size

483KB
MD5

ae452c2e1a3b7aceebfe0349e58239b8
SHA1

ef38728e61d5abc32cae40d326577432aa7fa9ac
SHA256

667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78
SHA512

b82a7455c26d3fd6b61ce89a21945edbe278dc431667bb8c766ba9ee5af10f2bf538bc7ee29055994360b63986686f56dc16e6197d872c225fd36dcf179de8af
SSDEEP

6144:fYG1f456Uqd2GhNAqwisAnIikwTc0gIlokyp3I5a5Kx81wHadqMWp/19SORtx:QhAUi2iNA1AIikNqp15anwHadZWTLd

Score

10^/10

formbook jy0b discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

jy0b

Decoy

lamejorimagen.com

mykabukibrush.com

modgon.com

barefoottherapeutics.com

shimpeg.net

trade-sniper.com

chiangkhancityhotel.com

joblessmoni.club

stespritsubways.com

chico-group.com

nni8.xyz

searchtypically.online

jobsyork.com

bestsales-crypto.com

iqmarketing.info

bullcityphotobooths.com

fwssc.icu

1oc87s.icu

usdiesel.xyz

secrets2optimumnutrition.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

Processes:

resource	yara_rule
behavioral1/memory/2460-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe

description	pid	Process	procid_target
PID 2920 set thread context of 2460	2920	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	31

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2536	2460	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

Processes:

667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe

pid	Process
2920	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe
2920	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe

description	pid	Process
Token: SeDebugPrivilege	2920	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe

description	pid	Process	procid_target
PID 2920 wrote to memory of 2712	2920	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	30
PID 2920 wrote to memory of 2712	2920	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	30
PID 2920 wrote to memory of 2712	2920	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	30
PID 2920 wrote to memory of 2712	2920	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	30
PID 2920 wrote to memory of 2460	2920	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	31
PID 2920 wrote to memory of 2460	2920	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	31
PID 2920 wrote to memory of 2460	2920	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	31
PID 2920 wrote to memory of 2460	2920	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	31
PID 2920 wrote to memory of 2460	2920	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	31
PID 2920 wrote to memory of 2460	2920	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	31
PID 2920 wrote to memory of 2460	2920	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	31
PID 2460 wrote to memory of 2536	2460	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	32
PID 2460 wrote to memory of 2536	2460	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	32
PID 2460 wrote to memory of 2536	2460	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	32
PID 2460 wrote to memory of 2536	2460	667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe	32

C:\Users\Admin\AppData\Local\Temp\667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe
"C:\Users\Admin\AppData\Local\Temp\667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Users\Admin\AppData\Local\Temp\667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe
  "C:\Users\Admin\AppData\Local\Temp\667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe"
  2⤵
  PID:2712
- C:\Users\Admin\AppData\Local\Temp\667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe
  "C:\Users\Admin\AppData\Local\Temp\667cb593ef99fba15e74b9eff4384e0590435e01d9914c7b500064133ece2e78.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2460
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2460 -s 36
    3⤵
    - Program crash
    PID:2536

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

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Downloads

memory/2460-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2460-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2460-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2460-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2920-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2920-1-0x00000000001A0000-0x0000000000220000-memory.dmp

Filesize
512KB

Download
memory/2920-2-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2920-3-0x0000000000590000-0x000000000059E000-memory.dmp

Filesize
56KB

Download
memory/2920-4-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2920-5-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2920-6-0x00000000050E0000-0x0000000005138000-memory.dmp

Filesize
352KB

Download
memory/2920-13-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads