formbook | ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02/09/2024, 09:37

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General

Target
BAT6357377.exe
Size 627KB
Sample240902-llj5eaybma
SHA256 ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a
MD5 ef494e2d8600338e6c4abb514a6f2fdb
SHA1 8864364fb585590e5cddc1356d44ce1ba731dbff
SHA512 b8fb64d569e1066c794567641ad28052a3684358f9faf14e393406057811f0654670687a2e702e67dae6ed8cb4000c5c16a8e42af940c9de2b9d33adafd1ce1e
SSDEEP 12288:j0R/Uv8Ua4u1oV2KCe/bldkNzOzmXYu5dq1TEpT:j0R8EUa41FMkzEdq1Ip
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

formbook h209 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

Campaign

h209

Decoy

sbtstuff.site
omlyes.com
movershifting.com
gearballer.com
oketoto.pro
myringleader.com
lrcjc750s.xyz
ata2024.xyz
password-manager-89409.bond
aiassistanthub.net
changvolt.cfd
netino.site
wear-wale.com
omnipresenceagency.com
huangguan.ooo
propersonnelmedia.com
9332952.com
k3s.support
ciytrw.xyz
cb095.pro
royalreshortbooking.xyz
studio29photography.com
62472.xyz
offerseshop.com
xn--mjru74buk5boca.store
jzzkjvaz.com
qzbt7s.com
atsinvest.com
goldengoosemultiplier.com
investing-courses-66663.bond
blueflamenews.com
xn--72cb0bab2pc6b3j3b.com
damtv24.xyz
ya1w.top
margueritemeilleure.com
zinittech.com
testingdomain.xyz
zakenlatyn.xyz
jungdofire.com
jackpfenninger.com
comfyquiltsbysusan.com
weststarconstructions.com
accrevcenglobal.com
ok9km1.fun
cxbqchm.life
review-with-hossain.com
webmedianews.com
visioncaretutor.com
r9x4g.xyz
nicorinehart.com
airhead.icu
genesisproj.online
hebatduta77.com
xiaopangonsol.com
cilynder.com
nestnerd.xyz
95476.photos
wearepartisan.rocks
snowshop4.com
podoc.fun
psicologaceciliabarros.com
klassens.info
therocketlobsters.com
world-palace.com
antibirdnetservices.com

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/2756-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2756-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2720-25-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2692	powershell.exe

Deletes itself 1 IoCs

pid	Process
2640	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2520 set thread context of 2756	2520	BAT6357377.exe	34
PID 2756 set thread context of 1196	2756	BAT6357377.exe	21
PID 2756 set thread context of 1196	2756	BAT6357377.exe	21
PID 2720 set thread context of 1196	2720	mstsc.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 5 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	BAT6357377.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1888	schtasks.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2756	BAT6357377.exe
2756	BAT6357377.exe
2692	powershell.exe
2756	BAT6357377.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2756	BAT6357377.exe
2756	BAT6357377.exe
2756	BAT6357377.exe
2756	BAT6357377.exe
2720	mstsc.exe
2720	mstsc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	BAT6357377.exe
Token: SeDebugPrivilege	2692	powershell.exe
Token: SeDebugPrivilege	2720	mstsc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2692	2520	BAT6357377.exe	30
PID 2520 wrote to memory of 2692	2520	BAT6357377.exe	30
PID 2520 wrote to memory of 2692	2520	BAT6357377.exe	30
PID 2520 wrote to memory of 2692	2520	BAT6357377.exe	30
PID 2520 wrote to memory of 1888	2520	BAT6357377.exe	31
PID 2520 wrote to memory of 1888	2520	BAT6357377.exe	31
PID 2520 wrote to memory of 1888	2520	BAT6357377.exe	31
PID 2520 wrote to memory of 1888	2520	BAT6357377.exe	31
PID 2520 wrote to memory of 2756	2520	BAT6357377.exe	34
PID 2520 wrote to memory of 2756	2520	BAT6357377.exe	34
PID 2520 wrote to memory of 2756	2520	BAT6357377.exe	34
PID 2520 wrote to memory of 2756	2520	BAT6357377.exe	34
PID 2520 wrote to memory of 2756	2520	BAT6357377.exe	34
PID 2520 wrote to memory of 2756	2520	BAT6357377.exe	34
PID 2520 wrote to memory of 2756	2520	BAT6357377.exe	34
PID 1196 wrote to memory of 2720	1196	Explorer.EXE	36
PID 1196 wrote to memory of 2720	1196	Explorer.EXE	36
PID 1196 wrote to memory of 2720	1196	Explorer.EXE	36
PID 1196 wrote to memory of 2720	1196	Explorer.EXE	36
PID 2720 wrote to memory of 2640	2720	mstsc.exe	37
PID 2720 wrote to memory of 2640	2720	mstsc.exe	37
PID 2720 wrote to memory of 2640	2720	mstsc.exe	37
PID 2720 wrote to memory of 2640	2720	mstsc.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\BAT6357377.exe
  "C:\Users\Admin\AppData\Local\Temp\BAT6357377.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2520
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\npDpoOL.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2692
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\npDpoOL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC810.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1888
- - C:\Users\Admin\AppData\Local\Temp\BAT6357377.exe
    "C:\Users\Admin\AppData\Local\Temp\BAT6357377.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2756
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.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:2720
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\BAT6357377.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

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

tmpC810.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpC810.tmp
Size 1KB
SHA256 98f5eac01ca0d2c256ea54308230ce6f097702b31bbdac3a10727b439783b602
MD5 3ad85a7c9386b4cf525045951dfd4de6
SHA1 31e124331d0c4741a0f91e661c556cfc68bc51dc
SHA512 69ef1ee24df8b0029ea08d6382d0ddd70bd3cd24e4b12b6dca67cfa46e651810de184169a8848f0fa388d4f7368f1db3808df990e6fe6bc8956963ffcbb4251b
MD5 SHA1 SHA512

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memory/1196-23-0x0000000006210000-0x00000000063BA000-memory.dmp

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memory/2520-1-0x0000000001070000-0x0000000001112000-memory.dmp

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memory/2520-2-0x00000000747D0000-0x0000000074EBE000-memory.dmp

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memory/2520-3-0x0000000000910000-0x0000000000928000-memory.dmp

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memory/2520-4-0x00000000747DE000-0x00000000747DF000-memory.dmp

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memory/2520-5-0x00000000747D0000-0x0000000074EBE000-memory.dmp

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memory/2520-6-0x0000000004AD0000-0x0000000004B46000-memory.dmp

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memory/2520-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

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memory/2520-18-0x00000000747D0000-0x0000000074EBE000-memory.dmp

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memory/2720-25-0x0000000000080000-0x00000000000AF000-memory.dmp

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memory/2720-24-0x0000000000940000-0x0000000000A44000-memory.dmp

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memory/2756-12-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/2756-22-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/2756-14-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/2756-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2756-17-0x0000000000400000-0x000000000042F000-memory.dmp

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