formbook | 1a52416bc054c0f2a46f2fd215d73d3285334fcdacf02ed449935bd93fb70863

General

Target

Quotation #10091.exe
Size

758KB
MD5

6e39ee33f6527364cac3cc4bbf276f26
SHA1

a7c12eef84ae778ce5158327d419508eb5b199c8
SHA256

1a52416bc054c0f2a46f2fd215d73d3285334fcdacf02ed449935bd93fb70863
SHA512

d06164091fe866df2626377b2d2589d9da291c73aff55b40db1844e32290c1f5e37b1ba8155ee02a351366df5a8862ce0b2e5b28a9b14b65cd568064cde28a78
SSDEEP

12288:v6Wq4aaE6KwyF5L0Y2D1PqLVRX3OyQsAhJYUVTx6AflSeqz2jqPB88bYVUCYH5g:tthEVaPqL7nvQlhJYATxDYeHjqPB88ZO

Score

10^/10

formbook c89p discovery rat spyware stealer trojan upx

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c89p

Decoy

ftersaleb.top

dcustomdesgins.net

ostbet2024.live

rhgtrdjdjytkyhretrdjfytd.buzz

atauniversity.tech

idoctor365.net

x-design-courses-29670.bond

ellowold-pc.top

ransportationmmsytpro.top

areerfest.xyz

artiresbah-in.today

ijie.pro

torehousestudio.info

69-11-luxury-watches.shop

earing-tests-44243.bond

hits.shop

hzl9.bond

lood-test-jp-1.bond

livialiving.online

usymomsmakingmoney.online

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/3036-4-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3036-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3036-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2800-20-0x00000000000F0000-0x000000000011F000-memory.dmp	formbook

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2532-6-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2532 set thread context of 3036	2532	Quotation #10091.exe	30
PID 3036 set thread context of 1236	3036	svchost.exe	21
PID 3036 set thread context of 1236	3036	svchost.exe	21
PID 2800 set thread context of 1236	2800	wuapp.exe	21

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2532-0-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral1/memory/2532-6-0x0000000000400000-0x00000000004C2000-memory.dmp	upx

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	Quotation #10091.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuapp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
3036	svchost.exe
3036	svchost.exe
3036	svchost.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe
2800	wuapp.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2532	Quotation #10091.exe
3036	svchost.exe
3036	svchost.exe
3036	svchost.exe
3036	svchost.exe
2800	wuapp.exe
2800	wuapp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3036	svchost.exe
Token: SeDebugPrivilege	2800	wuapp.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
2532	Quotation #10091.exe
2532	Quotation #10091.exe
2532	Quotation #10091.exe
2532	Quotation #10091.exe
2532	Quotation #10091.exe
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
2532	Quotation #10091.exe
2532	Quotation #10091.exe
2532	Quotation #10091.exe
2532	Quotation #10091.exe
2532	Quotation #10091.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 3036	2532	Quotation #10091.exe	30
PID 2532 wrote to memory of 3036	2532	Quotation #10091.exe	30
PID 2532 wrote to memory of 3036	2532	Quotation #10091.exe	30
PID 2532 wrote to memory of 3036	2532	Quotation #10091.exe	30
PID 2532 wrote to memory of 3036	2532	Quotation #10091.exe	30
PID 1236 wrote to memory of 2800	1236	Explorer.EXE	31
PID 1236 wrote to memory of 2800	1236	Explorer.EXE	31
PID 1236 wrote to memory of 2800	1236	Explorer.EXE	31
PID 1236 wrote to memory of 2800	1236	Explorer.EXE	31
PID 1236 wrote to memory of 2800	1236	Explorer.EXE	31
PID 1236 wrote to memory of 2800	1236	Explorer.EXE	31
PID 1236 wrote to memory of 2800	1236	Explorer.EXE	31
PID 2800 wrote to memory of 2476	2800	wuapp.exe	32
PID 2800 wrote to memory of 2476	2800	wuapp.exe	32
PID 2800 wrote to memory of 2476	2800	wuapp.exe	32
PID 2800 wrote to memory of 2476	2800	wuapp.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Users\Admin\AppData\Local\Temp\Quotation #10091.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation #10091.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:2532
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation #10091.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3036
- C:\Windows\SysWOW64\wuapp.exe
  "C:\Windows\SysWOW64\wuapp.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:2800
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2476

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/1236-29-0x0000000002E50000-0x0000000002EFE000-memory.dmp

Filesize
696KB

Download
memory/1236-27-0x0000000002E50000-0x0000000002EFE000-memory.dmp

Filesize
696KB

Download
memory/1236-26-0x0000000002E50000-0x0000000002EFE000-memory.dmp

Filesize
696KB

Download
memory/1236-21-0x0000000006F30000-0x00000000070D6000-memory.dmp

Filesize
1.6MB

Download
memory/1236-11-0x0000000005280000-0x00000000053CC000-memory.dmp

Filesize
1.3MB

Download
memory/1236-16-0x0000000006F30000-0x00000000070D6000-memory.dmp

Filesize
1.6MB

Download
memory/1236-15-0x0000000005280000-0x00000000053CC000-memory.dmp

Filesize
1.3MB

Download
memory/2532-0-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2532-3-0x0000000003E30000-0x0000000004230000-memory.dmp

Filesize
4.0MB

Download
memory/2532-6-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2800-19-0x0000000000CA0000-0x0000000000CAB000-memory.dmp

Filesize
44KB

Download
memory/2800-17-0x0000000000CA0000-0x0000000000CAB000-memory.dmp

Filesize
44KB

Download
memory/2800-20-0x00000000000F0000-0x000000000011F000-memory.dmp

Filesize
188KB

Download
memory/3036-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3036-14-0x0000000000210000-0x0000000000224000-memory.dmp

Filesize
80KB

Download
memory/3036-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3036-10-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/3036-7-0x00000000008B0000-0x0000000000BB3000-memory.dmp

Filesize
3.0MB

Download
memory/3036-4-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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