formbook | 18c262c08dce6a59267af49ac575ddd996ebd7b1d8bcfb31cff9f9f9814cfd91

General

Target

18c262c08dce6a59267af49ac575ddd996ebd7b1d8bcfb31cff9f9f9814cfd91.exe
Size

1.1MB
MD5

a49be3b0ef3f7e35bfe33d328267e29d
SHA1

a63ae2c4a8e49a762439613492515592a28ecc0f
SHA256

18c262c08dce6a59267af49ac575ddd996ebd7b1d8bcfb31cff9f9f9814cfd91
SHA512

9ba71fc6120dad3714c6db25c8efccd129059c4ee70cf89e8664ec13c92dfeb259bd8d591ac75618d221f29cd25ab8cb669a01be65a78df6d7f4f8761194b2d6
SSDEEP

24576:uRmJkcoQricOIQxiZY1iaCbGV3eX2lsEO6qo:7JZoQrbTFZY1iaCS8X2Beo

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 payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2700-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2700-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2804-13-0x0000000000130000-0x000000000015F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2152 set thread context of 2700	2152	18c262c08dce6a59267af49ac575ddd996ebd7b1d8bcfb31cff9f9f9814cfd91.exe	31
PID 2700 set thread context of 1204	2700	svchost.exe	21
PID 2804 set thread context of 1204	2804	rundll32.exe	21

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 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	18c262c08dce6a59267af49ac575ddd996ebd7b1d8bcfb31cff9f9f9814cfd91.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2700	svchost.exe
2700	svchost.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe
2804	rundll32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2152	18c262c08dce6a59267af49ac575ddd996ebd7b1d8bcfb31cff9f9f9814cfd91.exe
2700	svchost.exe
2700	svchost.exe
2700	svchost.exe
2804	rundll32.exe
2804	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2700	svchost.exe
Token: SeDebugPrivilege	2804	rundll32.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2700	2152	18c262c08dce6a59267af49ac575ddd996ebd7b1d8bcfb31cff9f9f9814cfd91.exe	31
PID 2152 wrote to memory of 2700	2152	18c262c08dce6a59267af49ac575ddd996ebd7b1d8bcfb31cff9f9f9814cfd91.exe	31
PID 2152 wrote to memory of 2700	2152	18c262c08dce6a59267af49ac575ddd996ebd7b1d8bcfb31cff9f9f9814cfd91.exe	31
PID 2152 wrote to memory of 2700	2152	18c262c08dce6a59267af49ac575ddd996ebd7b1d8bcfb31cff9f9f9814cfd91.exe	31
PID 2152 wrote to memory of 2700	2152	18c262c08dce6a59267af49ac575ddd996ebd7b1d8bcfb31cff9f9f9814cfd91.exe	31
PID 1204 wrote to memory of 2804	1204	Explorer.EXE	32
PID 1204 wrote to memory of 2804	1204	Explorer.EXE	32
PID 1204 wrote to memory of 2804	1204	Explorer.EXE	32
PID 1204 wrote to memory of 2804	1204	Explorer.EXE	32
PID 1204 wrote to memory of 2804	1204	Explorer.EXE	32
PID 1204 wrote to memory of 2804	1204	Explorer.EXE	32
PID 1204 wrote to memory of 2804	1204	Explorer.EXE	32
PID 2804 wrote to memory of 2756	2804	rundll32.exe	33
PID 2804 wrote to memory of 2756	2804	rundll32.exe	33
PID 2804 wrote to memory of 2756	2804	rundll32.exe	33
PID 2804 wrote to memory of 2756	2804	rundll32.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\AppData\Local\Temp\18c262c08dce6a59267af49ac575ddd996ebd7b1d8bcfb31cff9f9f9814cfd91.exe
  "C:\Users\Admin\AppData\Local\Temp\18c262c08dce6a59267af49ac575ddd996ebd7b1d8bcfb31cff9f9f9814cfd91.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2152
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\18c262c08dce6a59267af49ac575ddd996ebd7b1d8bcfb31cff9f9f9814cfd91.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2700
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:2804
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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/1204-8-0x00000000069C0000-0x0000000006B5E000-memory.dmp

Filesize
1.6MB

Download
memory/1204-14-0x00000000069C0000-0x0000000006B5E000-memory.dmp

Filesize
1.6MB

Download
memory/1204-15-0x0000000003A70000-0x0000000003B70000-memory.dmp

Filesize
1024KB

Download
memory/2152-2-0x00000000030B0000-0x00000000034B0000-memory.dmp

Filesize
4.0MB

Download
memory/2700-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2700-4-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/2700-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2700-7-0x0000000000260000-0x0000000000274000-memory.dmp

Filesize
80KB

Download
memory/2804-9-0x0000000000BA0000-0x0000000000BAE000-memory.dmp

Filesize
56KB

Download
memory/2804-10-0x0000000000BA0000-0x0000000000BAE000-memory.dmp

Filesize
56KB

Download
memory/2804-12-0x0000000000BA0000-0x0000000000BAE000-memory.dmp

Filesize
56KB

Download
memory/2804-13-0x0000000000130000-0x000000000015F000-memory.dmp

Filesize
188KB

Download

Analysis

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