formbook | 9960236e7b8167ec9b3ebc5426392923b89f58763b83c914bd34bfd93ad8aaab

General

Target

zelIxbPSWok3YNl.exe
Size

710KB
MD5

f474a217c3aef6a4bc1294999edb5dec
SHA1

9914f3823ac23b0fc0989651e94c71c729a04825
SHA256

9960236e7b8167ec9b3ebc5426392923b89f58763b83c914bd34bfd93ad8aaab
SHA512

74913c665b8e1fe183a3fa5809dbf58644f64d1548be9a1512c300235b77f3a4665ad5c5a9c7896c9bf55add0054efa2f0ea1070a3e4958da0a4dc730b9ea9f8
SSDEEP

12288:9mlKWNu9Qetd4HIPM5b+RBKrv1tKT50H0SU9CT+zOs3BArx3/fs7z1v:9WpMsb5bYmve5b9CT+6mBArN/E7

Score

10^/10

formbook d16h discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

d16h

Decoy

iki-graphy.online

l8z8c.vip

1709.asia

inematography-course-72246.bond

pis3noe2e.sbs

wernv.xyz

ovepepe.xyz

ama-online.world

ookmouse.fun

harkclothingdesigns.xyz

bbvvjuiqew.bond

sed-cars-93620.bond

esgateeganhe.shop

cekmeledak.info

ebulahorizon.buzz

peakers-92991.bond

essislotgoal16.top

hafi.biz

ichunyang.club

lrica.net

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/2676-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2676-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/480-25-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2536	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2688 set thread context of 2676	2688	zelIxbPSWok3YNl.exe	31
PID 2676 set thread context of 1180	2676	zelIxbPSWok3YNl.exe	21
PID 480 set thread context of 1180	480	systray.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	zelIxbPSWok3YNl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2676	zelIxbPSWok3YNl.exe
2676	zelIxbPSWok3YNl.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe
480	systray.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2676	zelIxbPSWok3YNl.exe
2676	zelIxbPSWok3YNl.exe
2676	zelIxbPSWok3YNl.exe
480	systray.exe
480	systray.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2676	zelIxbPSWok3YNl.exe
Token: SeDebugPrivilege	480	systray.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2676	2688	zelIxbPSWok3YNl.exe	31
PID 2688 wrote to memory of 2676	2688	zelIxbPSWok3YNl.exe	31
PID 2688 wrote to memory of 2676	2688	zelIxbPSWok3YNl.exe	31
PID 2688 wrote to memory of 2676	2688	zelIxbPSWok3YNl.exe	31
PID 2688 wrote to memory of 2676	2688	zelIxbPSWok3YNl.exe	31
PID 2688 wrote to memory of 2676	2688	zelIxbPSWok3YNl.exe	31
PID 2688 wrote to memory of 2676	2688	zelIxbPSWok3YNl.exe	31
PID 1180 wrote to memory of 480	1180	Explorer.EXE	32
PID 1180 wrote to memory of 480	1180	Explorer.EXE	32
PID 1180 wrote to memory of 480	1180	Explorer.EXE	32
PID 1180 wrote to memory of 480	1180	Explorer.EXE	32
PID 480 wrote to memory of 2536	480	systray.exe	33
PID 480 wrote to memory of 2536	480	systray.exe	33
PID 480 wrote to memory of 2536	480	systray.exe	33
PID 480 wrote to memory of 2536	480	systray.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Users\Admin\AppData\Local\Temp\zelIxbPSWok3YNl.exe
  "C:\Users\Admin\AppData\Local\Temp\zelIxbPSWok3YNl.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2688
- - C:\Users\Admin\AppData\Local\Temp\zelIxbPSWok3YNl.exe
    "C:\Users\Admin\AppData\Local\Temp\zelIxbPSWok3YNl.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2676
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.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:480
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\zelIxbPSWok3YNl.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    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

Replay Monitor

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Downloads

memory/480-25-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/480-24-0x0000000000660000-0x0000000000665000-memory.dmp

Filesize
20KB

Download
memory/480-22-0x0000000000660000-0x0000000000665000-memory.dmp

Filesize
20KB

Download
memory/1180-20-0x00000000024A0000-0x00000000025A0000-memory.dmp

Filesize
1024KB

Download
memory/1180-26-0x0000000006370000-0x00000000064C5000-memory.dmp

Filesize
1.3MB

Download
memory/1180-21-0x0000000006370000-0x00000000064C5000-memory.dmp

Filesize
1.3MB

Download
memory/2676-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2676-16-0x0000000000A20000-0x0000000000D23000-memory.dmp

Filesize
3.0MB

Download
memory/2676-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2676-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2676-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2676-19-0x0000000000140000-0x0000000000154000-memory.dmp

Filesize
80KB

Download
memory/2676-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2688-7-0x0000000005780000-0x00000000057F6000-memory.dmp

Filesize
472KB

Download
memory/2688-15-0x0000000074840000-0x0000000074F2E000-memory.dmp

Filesize
6.9MB

Download
memory/2688-0-0x000000007484E000-0x000000007484F000-memory.dmp

Filesize
4KB

Download
memory/2688-6-0x0000000074840000-0x0000000074F2E000-memory.dmp

Filesize
6.9MB

Download
memory/2688-5-0x000000007484E000-0x000000007484F000-memory.dmp

Filesize
4KB

Download
memory/2688-4-0x0000000000520000-0x0000000000538000-memory.dmp

Filesize
96KB

Download
memory/2688-3-0x0000000005300000-0x0000000005390000-memory.dmp

Filesize
576KB

Download
memory/2688-2-0x0000000074840000-0x0000000074F2E000-memory.dmp

Filesize
6.9MB

Download
memory/2688-1-0x00000000010F0000-0x00000000011A8000-memory.dmp

Filesize
736KB

Download

Analysis

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