formbook | 7c3d71786ef85ec70f27b53e7bdd98f202398a77d52399d49135cf5e187a3dab

Resubmissions

16-09-2024 09:17

240916-k9he2szdmp 7

16-09-2024 09:12

240916-k568lszbrk 10

Analysis

max time kernel
300s
max time network
270s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
16-09-2024 09:12

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General

Target

RFQ REF-JTCAJC-QINHP5-TIS-L0009- (AL DHAFRA) AL JABER - SUPPLY.exe
Size

959KB
MD5

a4be50bb39110e49c1d2fc87ccc12f56
SHA1

ffc4874f95b0c774ad54988350128eadfaeebc23
SHA256

b967a8b7765a762514d4b8d172fabb655af83d7279fd15cd513e217675ce96a9
SHA512

241476b5ab26dc7a8673daca8cb6b76b46b9e87092e09e7db643368b8514d439e1bf502a42b9f6b082ce2fc92c3ca2141bd34e8068bc77820c06d4892242f575
SSDEEP

24576:hiUmSB/o5d1ubcvLiUlytyo/bfUbycmjNlscnVDO8TR+KDV:h/mU/ohubcvhMXQb6kcROgIKD

Score

10^/10

formbook bs26 discovery rat spyware stealer trojan upx

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bs26

Decoy

bhkflatforsale.today

89486.cyou

asstortlawsuit-26.today

935fkg.top

lanetaryadventure.website

5-77.xyz

yankosensei.top

esasi.boats

ortasmundial.online

gfo.net

mhgriu.xyz

440.top

52zh366hq.bond

arage-door-tab.fun

heriffburns.info

ndogamingslot.club

lrinstlusa.today

ssdefdhet.fun

dbg.net

ome-remodeling-82737.bond

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/2356-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2356-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2356-28-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2744-34-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.vbs	name.exe

Executes dropped EXE 1 IoCs

pid	Process
2016	name.exe

Loads dropped DLL 1 IoCs

pid	Process
464	RFQ REF-JTCAJC-QINHP5-TIS-L0009- (AL DHAFRA) AL JABER - SUPPLY.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/464-0-0x0000000000ED0000-0x00000000010DB000-memory.dmp	upx
behavioral1/files/0x000a0000000163b8-5.dat	upx
behavioral1/memory/464-9-0x0000000000ED0000-0x00000000010DB000-memory.dmp	upx
behavioral1/memory/2016-11-0x0000000000970000-0x0000000000B7B000-memory.dmp	upx
behavioral1/memory/2016-20-0x0000000000970000-0x0000000000B7B000-memory.dmp	upx

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/464-9-0x0000000000ED0000-0x00000000010DB000-memory.dmp	autoit_exe
behavioral1/memory/2016-20-0x0000000000970000-0x0000000000B7B000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2016 set thread context of 2356	2016	name.exe	31
PID 2356 set thread context of 1124	2356	svchost.exe	20
PID 2356 set thread context of 1124	2356	svchost.exe	20
PID 2744 set thread context of 1124	2744	chkdsk.exe	20

System Location Discovery: System Language Discovery 1 TTPs 4 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	RFQ REF-JTCAJC-QINHP5-TIS-L0009- (AL DHAFRA) AL JABER - SUPPLY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	name.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2356	svchost.exe
2356	svchost.exe
2356	svchost.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe
2744	chkdsk.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2016	name.exe
2356	svchost.exe
2356	svchost.exe
2356	svchost.exe
2356	svchost.exe
2744	chkdsk.exe
2744	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2356	svchost.exe
Token: SeDebugPrivilege	2744	chkdsk.exe
Token: SeShutdownPrivilege	1124	Explorer.EXE

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
464	RFQ REF-JTCAJC-QINHP5-TIS-L0009- (AL DHAFRA) AL JABER - SUPPLY.exe
464	RFQ REF-JTCAJC-QINHP5-TIS-L0009- (AL DHAFRA) AL JABER - SUPPLY.exe
2016	name.exe
2016	name.exe
1124	Explorer.EXE
1124	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
464	RFQ REF-JTCAJC-QINHP5-TIS-L0009- (AL DHAFRA) AL JABER - SUPPLY.exe
464	RFQ REF-JTCAJC-QINHP5-TIS-L0009- (AL DHAFRA) AL JABER - SUPPLY.exe
2016	name.exe
2016	name.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 2016	464	RFQ REF-JTCAJC-QINHP5-TIS-L0009- (AL DHAFRA) AL JABER - SUPPLY.exe	30
PID 464 wrote to memory of 2016	464	RFQ REF-JTCAJC-QINHP5-TIS-L0009- (AL DHAFRA) AL JABER - SUPPLY.exe	30
PID 464 wrote to memory of 2016	464	RFQ REF-JTCAJC-QINHP5-TIS-L0009- (AL DHAFRA) AL JABER - SUPPLY.exe	30
PID 464 wrote to memory of 2016	464	RFQ REF-JTCAJC-QINHP5-TIS-L0009- (AL DHAFRA) AL JABER - SUPPLY.exe	30
PID 2016 wrote to memory of 2356	2016	name.exe	31
PID 2016 wrote to memory of 2356	2016	name.exe	31
PID 2016 wrote to memory of 2356	2016	name.exe	31
PID 2016 wrote to memory of 2356	2016	name.exe	31
PID 2016 wrote to memory of 2356	2016	name.exe	31
PID 1124 wrote to memory of 2744	1124	Explorer.EXE	33
PID 1124 wrote to memory of 2744	1124	Explorer.EXE	33
PID 1124 wrote to memory of 2744	1124	Explorer.EXE	33
PID 1124 wrote to memory of 2744	1124	Explorer.EXE	33
PID 2744 wrote to memory of 2812	2744	chkdsk.exe	34
PID 2744 wrote to memory of 2812	2744	chkdsk.exe	34
PID 2744 wrote to memory of 2812	2744	chkdsk.exe	34
PID 2744 wrote to memory of 2812	2744	chkdsk.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Users\Admin\AppData\Local\Temp\RFQ REF-JTCAJC-QINHP5-TIS-L0009- (AL DHAFRA) AL JABER - SUPPLY.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ REF-JTCAJC-QINHP5-TIS-L0009- (AL DHAFRA) AL JABER - SUPPLY.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:464
- - C:\Users\Admin\AppData\Local\directory\name.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ REF-JTCAJC-QINHP5-TIS-L0009- (AL DHAFRA) AL JABER - SUPPLY.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - 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:2016
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ REF-JTCAJC-QINHP5-TIS-L0009- (AL DHAFRA) AL JABER - SUPPLY.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2356
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\directory\name.exe

Filesize
959KB

MD5
a4be50bb39110e49c1d2fc87ccc12f56

SHA1
ffc4874f95b0c774ad54988350128eadfaeebc23

SHA256
b967a8b7765a762514d4b8d172fabb655af83d7279fd15cd513e217675ce96a9

SHA512
241476b5ab26dc7a8673daca8cb6b76b46b9e87092e09e7db643368b8514d439e1bf502a42b9f6b082ce2fc92c3ca2141bd34e8068bc77820c06d4892242f575

Download Submit
memory/464-0-0x0000000000ED0000-0x00000000010DB000-memory.dmp

Filesize
2.0MB

Download
memory/464-3-0x0000000002B30000-0x0000000002D30000-memory.dmp

Filesize
2.0MB

Download
memory/464-9-0x0000000000ED0000-0x00000000010DB000-memory.dmp

Filesize
2.0MB

Download
memory/464-26-0x0000000003120000-0x000000000332B000-memory.dmp

Filesize
2.0MB

Download
memory/1124-40-0x0000000007DD0000-0x0000000007F49000-memory.dmp

Filesize
1.5MB

Download
memory/1124-42-0x0000000007DD0000-0x0000000007F49000-memory.dmp

Filesize
1.5MB

Download
memory/1124-30-0x00000000065E0000-0x0000000006730000-memory.dmp

Filesize
1.3MB

Download
memory/1124-25-0x00000000065E0000-0x0000000006730000-memory.dmp

Filesize
1.3MB

Download
memory/1124-39-0x0000000007DD0000-0x0000000007F49000-memory.dmp

Filesize
1.5MB

Download
memory/1124-31-0x0000000007020000-0x0000000007157000-memory.dmp

Filesize
1.2MB

Download
memory/2016-20-0x0000000000970000-0x0000000000B7B000-memory.dmp

Filesize
2.0MB

Download
memory/2016-16-0x0000000002AF0000-0x0000000002CF0000-memory.dmp

Filesize
2.0MB

Download
memory/2016-11-0x0000000000970000-0x0000000000B7B000-memory.dmp

Filesize
2.0MB

Download
memory/2356-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2356-28-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2356-29-0x00000000003E0000-0x00000000003F4000-memory.dmp

Filesize
80KB

Download
memory/2356-24-0x0000000000360000-0x0000000000374000-memory.dmp

Filesize
80KB

Download
memory/2356-21-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/2356-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2744-32-0x0000000000930000-0x0000000000937000-memory.dmp

Filesize
28KB

Download
memory/2744-33-0x0000000000930000-0x0000000000937000-memory.dmp

Filesize
28KB

Download
memory/2744-34-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download