formbook | ac885d6c380d9945dc8d2a7da3f9f11c8b4f5cca0694abb031d67009f8199213

General

Target

AC885D6C380D9945DC8D2A7DA3F9F11C8B4F5CCA0694ABB031D67009F8199213.exe
Size

1.2MB
MD5

2f9f420ce8696e4023df23d7fb12c87d
SHA1

fe38bf7aca5900eafae8fc160d9237ee78fbacc3
SHA256

ac885d6c380d9945dc8d2a7da3f9f11c8b4f5cca0694abb031d67009f8199213
SHA512

8cb054cd64fac8ebfcf2c841e05f884303862901f6eb55b5b9c84adb64d225bc3537b2d6d35be4fdecff34ed025cdb821f17f3d2cbdea5875f027c2999bd351b
SSDEEP

24576:eqDEvCTbMWu7rQYlBQcBiT6rprG8aWSl57vZtF9oRG3rP:eTvC/MTQYxsWR7aW4viGb

Score

10^/10

formbook k94g discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

k94g

Decoy

nstandgoz.xyz

dhd-treatment-37310.bond

13s-braces-us-ze.fun

umdona.shop

96ph803ql.bond

kka9max.net

corporate-10.xyz

edicalassistance869840.online

lobalresources-bh.xyz

3145978.xyz

ovdaawebsite.online

etting-thailand.net

icloud.xyz

poxk.shop

25ks-ls72510.cyou

women.info

iwyrfbfvhv9.asia

luratu.xyz

ffordable-power-charger.today

edanuryilmaz.xyz

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2832-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2832-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2968-16-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2108 set thread context of 2832	2108	AC885D6C380D9945DC8D2A7DA3F9F11C8B4F5CCA0694ABB031D67009F8199213.exe	30
PID 2832 set thread context of 1388	2832	svchost.exe	21
PID 2968 set thread context of 1388	2968	wlanext.exe	21

System Location Discovery: System Language Discovery 1 TTPs 3 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	AC885D6C380D9945DC8D2A7DA3F9F11C8B4F5CCA0694ABB031D67009F8199213.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2832	svchost.exe
2832	svchost.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe
2968	wlanext.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2108	AC885D6C380D9945DC8D2A7DA3F9F11C8B4F5CCA0694ABB031D67009F8199213.exe
2832	svchost.exe
2832	svchost.exe
2832	svchost.exe
2968	wlanext.exe
2968	wlanext.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2832	svchost.exe
Token: SeDebugPrivilege	2968	wlanext.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2108	AC885D6C380D9945DC8D2A7DA3F9F11C8B4F5CCA0694ABB031D67009F8199213.exe
2108	AC885D6C380D9945DC8D2A7DA3F9F11C8B4F5CCA0694ABB031D67009F8199213.exe
1388	Explorer.EXE
1388	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2108	AC885D6C380D9945DC8D2A7DA3F9F11C8B4F5CCA0694ABB031D67009F8199213.exe
2108	AC885D6C380D9945DC8D2A7DA3F9F11C8B4F5CCA0694ABB031D67009F8199213.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2832	2108	AC885D6C380D9945DC8D2A7DA3F9F11C8B4F5CCA0694ABB031D67009F8199213.exe	30
PID 2108 wrote to memory of 2832	2108	AC885D6C380D9945DC8D2A7DA3F9F11C8B4F5CCA0694ABB031D67009F8199213.exe	30
PID 2108 wrote to memory of 2832	2108	AC885D6C380D9945DC8D2A7DA3F9F11C8B4F5CCA0694ABB031D67009F8199213.exe	30
PID 2108 wrote to memory of 2832	2108	AC885D6C380D9945DC8D2A7DA3F9F11C8B4F5CCA0694ABB031D67009F8199213.exe	30
PID 2108 wrote to memory of 2832	2108	AC885D6C380D9945DC8D2A7DA3F9F11C8B4F5CCA0694ABB031D67009F8199213.exe	30
PID 1388 wrote to memory of 2968	1388	Explorer.EXE	31
PID 1388 wrote to memory of 2968	1388	Explorer.EXE	31
PID 1388 wrote to memory of 2968	1388	Explorer.EXE	31
PID 1388 wrote to memory of 2968	1388	Explorer.EXE	31
PID 2968 wrote to memory of 2892	2968	wlanext.exe	32
PID 2968 wrote to memory of 2892	2968	wlanext.exe	32
PID 2968 wrote to memory of 2892	2968	wlanext.exe	32
PID 2968 wrote to memory of 2892	2968	wlanext.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Users\Admin\AppData\Local\Temp\AC885D6C380D9945DC8D2A7DA3F9F11C8B4F5CCA0694ABB031D67009F8199213.exe
  "C:\Users\Admin\AppData\Local\Temp\AC885D6C380D9945DC8D2A7DA3F9F11C8B4F5CCA0694ABB031D67009F8199213.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2108
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\AC885D6C380D9945DC8D2A7DA3F9F11C8B4F5CCA0694ABB031D67009F8199213.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2832
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2968
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2892

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/1388-17-0x0000000004120000-0x00000000041FC000-memory.dmp

Filesize
880KB

Download
memory/1388-26-0x0000000007070000-0x0000000007173000-memory.dmp

Filesize
1.0MB

Download
memory/1388-24-0x0000000007070000-0x0000000007173000-memory.dmp

Filesize
1.0MB

Download
memory/1388-23-0x0000000007070000-0x0000000007173000-memory.dmp

Filesize
1.0MB

Download
memory/1388-11-0x0000000003830000-0x0000000003930000-memory.dmp

Filesize
1024KB

Download
memory/1388-12-0x0000000004120000-0x00000000041FC000-memory.dmp

Filesize
880KB

Download
memory/2108-5-0x0000000000120000-0x0000000000124000-memory.dmp

Filesize
16KB

Download
memory/2832-10-0x0000000000210000-0x0000000000224000-memory.dmp

Filesize
80KB

Download
memory/2832-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2832-7-0x0000000000820000-0x0000000000B23000-memory.dmp

Filesize
3.0MB

Download
memory/2832-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2968-15-0x0000000000BD0000-0x0000000000BE6000-memory.dmp

Filesize
88KB

Download
memory/2968-16-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/2968-13-0x0000000000BD0000-0x0000000000BE6000-memory.dmp

Filesize
88KB

Download

Analysis

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