formbook | 6e12f9a1ffdd9f23aec2e9a5c979fa20c7b1b6a37ecbaac6b10c4e4ae412d8d5

General

Target

AWB 456789098765.exe
Size

1.1MB
MD5

b785d60412390b52a6c634366a27eb9a
SHA1

639dfd8be745805a2e5dfa94df0f52050a5683e5
SHA256

08ff2dd59cb681df7b2ac6310a54bfcf990d11b9c7ca3fed51bd043a59e43d52
SHA512

9ca769093d504497cc62cb1ad19025c3355c4ad0436a75a9509c19f3d7c983284a0d0c76cf4244de8df8eb313753aeba55fda2293bfde91a112fb17ab7f7a218
SSDEEP

12288:mj0c41hw4e/ehLrzR08f9aU0gWYkGGn2E1CSiwlMfQqK3NvxmZxg1hw4e/:KL4LJKQ0U0gYn2u9iwrTN0j4

Score

10^/10

formbook na24 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

na24

Decoy

confabulator.info

pointsante.com

knoxpak.site

mhonl.site

peter-elliot.co.uk

transmetrics.site

dali001.com

graphicimagestattoo.com

nicesparthiae.biz

dteonfgdelsm.xyz

truegoatapparel.net

firtokyshop.xyz

v7op.icu

exunix.com

77seven-s.com

explorevenda.com

a-prime-sellyourhousefast.fyi

jezierzany.com

983488728.com

heliosbot.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/2932-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2932-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2900-23-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2756	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2580 set thread context of 2932	2580	AWB 456789098765.exe	29
PID 2932 set thread context of 1192	2932	AWB 456789098765.exe	20
PID 2900 set thread context of 1192	2900	cmd.exe	20

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	AWB 456789098765.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
2932	AWB 456789098765.exe
2932	AWB 456789098765.exe
2900	cmd.exe
2900	cmd.exe
2900	cmd.exe
2900	cmd.exe
2900	cmd.exe
2900	cmd.exe
2900	cmd.exe
2900	cmd.exe
2900	cmd.exe
2900	cmd.exe
2900	cmd.exe
2900	cmd.exe
2900	cmd.exe
2900	cmd.exe
2900	cmd.exe
2900	cmd.exe
2900	cmd.exe
2900	cmd.exe
2900	cmd.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2932	AWB 456789098765.exe
2932	AWB 456789098765.exe
2932	AWB 456789098765.exe
2900	cmd.exe
2900	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	AWB 456789098765.exe
Token: SeDebugPrivilege	2900	cmd.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 2932	2580	AWB 456789098765.exe	29
PID 2580 wrote to memory of 2932	2580	AWB 456789098765.exe	29
PID 2580 wrote to memory of 2932	2580	AWB 456789098765.exe	29
PID 2580 wrote to memory of 2932	2580	AWB 456789098765.exe	29
PID 2580 wrote to memory of 2932	2580	AWB 456789098765.exe	29
PID 2580 wrote to memory of 2932	2580	AWB 456789098765.exe	29
PID 2580 wrote to memory of 2932	2580	AWB 456789098765.exe	29
PID 1192 wrote to memory of 2900	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2900	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2900	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2900	1192	Explorer.EXE	31
PID 2900 wrote to memory of 2756	2900	cmd.exe	32
PID 2900 wrote to memory of 2756	2900	cmd.exe	32
PID 2900 wrote to memory of 2756	2900	cmd.exe	32
PID 2900 wrote to memory of 2756	2900	cmd.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\AWB 456789098765.exe
  "C:\Users\Admin\AppData\Local\Temp\AWB 456789098765.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Users\Admin\AppData\Local\Temp\AWB 456789098765.exe
    "C:\Users\Admin\AppData\Local\Temp\AWB 456789098765.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2932
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2864
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.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:2900
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\AWB 456789098765.exe"
    3⤵
    - Deletes itself
    - 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 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/1192-19-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1192-20-0x00000000060C0000-0x000000000625E000-memory.dmp

Filesize
1.6MB

Download
memory/1192-24-0x00000000060C0000-0x000000000625E000-memory.dmp

Filesize
1.6MB

Download
memory/2580-8-0x0000000005130000-0x0000000005164000-memory.dmp

Filesize
208KB

Download
memory/2580-4-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2580-5-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2580-6-0x0000000000950000-0x000000000095C000-memory.dmp

Filesize
48KB

Download
memory/2580-7-0x0000000005D10000-0x0000000005D9E000-memory.dmp

Filesize
568KB

Download
memory/2580-3-0x0000000000560000-0x000000000057A000-memory.dmp

Filesize
104KB

Download
memory/2580-2-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2580-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2580-14-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2580-1-0x0000000000D00000-0x0000000000E1C000-memory.dmp

Filesize
1.1MB

Download
memory/2900-23-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2900-22-0x000000004A610000-0x000000004A65C000-memory.dmp

Filesize
304KB

Download
memory/2900-21-0x000000004A610000-0x000000004A65C000-memory.dmp

Filesize
304KB

Download
memory/2932-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2932-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2932-18-0x0000000000350000-0x0000000000364000-memory.dmp

Filesize
80KB

Download
memory/2932-15-0x0000000000880000-0x0000000000B83000-memory.dmp

Filesize
3.0MB

Download
memory/2932-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2932-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2932-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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