formbook | 72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52

Analysis

max time kernel
139s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-08-2024 01:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
Size

634KB
MD5

dff2a4f9c0e8469a1829ab1f39668856
SHA1

77a56409876a9c0c33fd59a070a21c8ee1b18a92
SHA256

72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52
SHA512

aff25af1d0a6bf6ebf9aeb5758214c9a0dd559e7a7d5bb2330ed07e6d06e6f2c5169dcb71176366c7eb75d925c72631a3c471fb1e3239c56dc8e87e71804451e
SSDEEP

12288:OZCxSBAiSeURm5+Y7o0amp+ztqlACErYz4BjNA314OSxfmMNfDmvAwkR:bxSBAOUe+Y7o0CRBdrPk14bFN7eA3

Score

10^/10

formbook sy52 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sy52

Decoy

wxxj.asia

emu-oil.online

theprogressiontalks.com

saigonvape.com

cb257.pro

inucana.com

xn--pdr89n.vip

vtc.bzh

connexionsink.com

mastersofthevibes.com

mallsetuae.shop

bellaandbling.com

wagi88.one

273618.bid

japanvietnam-mall.com

lkd1t.rest

oflgjgiq.xyz

calliblography.com

idz8u.vip

marrybears.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/3736-20-0x0000000000400000-0x000000000042F000-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
436	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2252 set thread context of 3736	2252	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	106

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	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
3748	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2252	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
2252	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
2252	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
2252	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
3736	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
3736	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
3736	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
436	powershell.exe
436	powershell.exe
436	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2252	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
Token: SeDebugPrivilege	436	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 436	2252	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	102
PID 2252 wrote to memory of 436	2252	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	102
PID 2252 wrote to memory of 436	2252	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	102
PID 2252 wrote to memory of 3748	2252	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	104
PID 2252 wrote to memory of 3748	2252	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	104
PID 2252 wrote to memory of 3748	2252	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	104
PID 2252 wrote to memory of 3736	2252	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	106
PID 2252 wrote to memory of 3736	2252	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	106
PID 2252 wrote to memory of 3736	2252	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	106
PID 2252 wrote to memory of 3736	2252	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	106
PID 2252 wrote to memory of 3736	2252	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	106
PID 2252 wrote to memory of 3736	2252	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	106

C:\Users\Admin\AppData\Local\Temp\72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
"C:\Users\Admin\AppData\Local\Temp\72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\szDsBbzQTYLbvU.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:436
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\szDsBbzQTYLbvU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9AA5.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3748
- C:\Users\Admin\AppData\Local\Temp\72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
  "C:\Users\Admin\AppData\Local\Temp\72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3736

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4460,i,8231329449558834090,4540802069600791165,262144 --variations-seed-version --mojo-platform-channel-handle=2708 /prefetch:8
1⤵
PID:2408

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ogwwecvf.hkv.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9AA5.tmp

Filesize
1KB

MD5
b960fb35017ac78c3264bd5d6c4ee653

SHA1
bfb9a7dec51ba31e2eaf53ce224c80addb5b1ced

SHA256
6253fdaf1653cf14f5e0f5d6916808459bf4f9bd4ae809492ae13c57bf84c897

SHA512
45ecd407f7b5b58cc9ad715f50c143edbec1d7980bcbf27727ad6c5357830627a0aa7dd6808f7fe11ba68438a85f13c2a5d7e2d9a9c067149bea7f253cfa6ef9

Download Submit
memory/436-27-0x0000000005510000-0x0000000005576000-memory.dmp

Filesize
408KB

Download
memory/436-51-0x000000007F3D0000-0x000000007F3E0000-memory.dmp

Filesize
64KB

Download
memory/436-37-0x0000000005580000-0x00000000058D4000-memory.dmp

Filesize
3.3MB

Download
memory/436-67-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/436-64-0x00000000071A0000-0x00000000071A8000-memory.dmp

Filesize
32KB

Download
memory/436-63-0x00000000071C0000-0x00000000071DA000-memory.dmp

Filesize
104KB

Download
memory/436-62-0x00000000070C0000-0x00000000070D4000-memory.dmp

Filesize
80KB

Download
memory/436-61-0x00000000070B0000-0x00000000070BE000-memory.dmp

Filesize
56KB

Download
memory/436-60-0x0000000007080000-0x0000000007091000-memory.dmp

Filesize
68KB

Download
memory/436-15-0x0000000002250000-0x0000000002286000-memory.dmp

Filesize
216KB

Download
memory/436-17-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/436-18-0x0000000004DF0000-0x0000000005418000-memory.dmp

Filesize
6.2MB

Download
memory/436-59-0x0000000007100000-0x0000000007196000-memory.dmp

Filesize
600KB

Download
memory/436-58-0x0000000006EF0000-0x0000000006EFA000-memory.dmp

Filesize
40KB

Download
memory/436-57-0x0000000006E80000-0x0000000006E9A000-memory.dmp

Filesize
104KB

Download
memory/436-21-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/436-56-0x00000000074C0000-0x0000000007B3A000-memory.dmp

Filesize
6.5MB

Download
memory/436-55-0x0000000006190000-0x0000000006233000-memory.dmp

Filesize
652KB

Download
memory/436-25-0x0000000004CA0000-0x0000000004CC2000-memory.dmp

Filesize
136KB

Download
memory/436-26-0x0000000004D40000-0x0000000004DA6000-memory.dmp

Filesize
408KB

Download
memory/436-19-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/436-52-0x00000000047B0000-0x00000000047C0000-memory.dmp

Filesize
64KB

Download
memory/436-53-0x00000000047B0000-0x00000000047C0000-memory.dmp

Filesize
64KB

Download
memory/436-38-0x0000000005B50000-0x0000000005B6E000-memory.dmp

Filesize
120KB

Download
memory/436-39-0x00000000060D0000-0x000000000611C000-memory.dmp

Filesize
304KB

Download
memory/436-40-0x0000000006130000-0x0000000006162000-memory.dmp

Filesize
200KB

Download
memory/436-41-0x00000000717C0000-0x000000007180C000-memory.dmp

Filesize
304KB

Download
memory/436-54-0x0000000006170000-0x000000000618E000-memory.dmp

Filesize
120KB

Download
memory/2252-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

Filesize
4KB

Download
memory/2252-2-0x0000000005B40000-0x00000000060E4000-memory.dmp

Filesize
5.6MB

Download
memory/2252-5-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2252-3-0x0000000005630000-0x00000000056C2000-memory.dmp

Filesize
584KB

Download
memory/2252-23-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2252-4-0x00000000057C0000-0x00000000057CA000-memory.dmp

Filesize
40KB

Download
memory/2252-9-0x0000000006BF0000-0x0000000006C66000-memory.dmp

Filesize
472KB

Download
memory/2252-6-0x0000000006C60000-0x0000000006C7A000-memory.dmp

Filesize
104KB

Download
memory/2252-8-0x00000000068E0000-0x00000000068F6000-memory.dmp

Filesize
88KB

Download
memory/2252-1-0x0000000000B80000-0x0000000000C20000-memory.dmp

Filesize
640KB

Download
memory/2252-10-0x000000000C250000-0x000000000C2EC000-memory.dmp

Filesize
624KB

Download
memory/2252-7-0x00000000068D0000-0x00000000068DE000-memory.dmp

Filesize
56KB

Download
memory/3736-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3736-24-0x0000000001700000-0x0000000001A4A000-memory.dmp

Filesize
3.3MB

Download