formbook | 72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52

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
behavioral1/memory/2816-17-0x0000000000400000-0x000000000042F000-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
2820	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2372 set thread context of 2816	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	37

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
1812	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
2816	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
2820	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
Token: SeDebugPrivilege	2820	powershell.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2820	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	31
PID 2372 wrote to memory of 2820	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	31
PID 2372 wrote to memory of 2820	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	31
PID 2372 wrote to memory of 2820	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	31
PID 2372 wrote to memory of 1812	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	32
PID 2372 wrote to memory of 1812	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	32
PID 2372 wrote to memory of 1812	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	32
PID 2372 wrote to memory of 1812	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	32
PID 2372 wrote to memory of 2596	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	35
PID 2372 wrote to memory of 2596	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	35
PID 2372 wrote to memory of 2596	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	35
PID 2372 wrote to memory of 2596	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	35
PID 2372 wrote to memory of 2604	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	36
PID 2372 wrote to memory of 2604	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	36
PID 2372 wrote to memory of 2604	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	36
PID 2372 wrote to memory of 2604	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	36
PID 2372 wrote to memory of 2816	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	37
PID 2372 wrote to memory of 2816	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	37
PID 2372 wrote to memory of 2816	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	37
PID 2372 wrote to memory of 2816	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	37
PID 2372 wrote to memory of 2816	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	37
PID 2372 wrote to memory of 2816	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	37
PID 2372 wrote to memory of 2816	2372	72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe	37

C:\Users\Admin\AppData\Local\Temp\72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
"C:\Users\Admin\AppData\Local\Temp\72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2372
- 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:2820
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\szDsBbzQTYLbvU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1D41.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1812
- C:\Users\Admin\AppData\Local\Temp\72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
  "C:\Users\Admin\AppData\Local\Temp\72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe"
  2⤵
  PID:2596
- C:\Users\Admin\AppData\Local\Temp\72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
  "C:\Users\Admin\AppData\Local\Temp\72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe"
  2⤵
  PID:2604
- C:\Users\Admin\AppData\Local\Temp\72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe
  "C:\Users\Admin\AppData\Local\Temp\72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1D41.tmp

Filesize
1KB

MD5
8b6de45b91fb319653aefff655233718

SHA1
0b02ff9ec6392fd6ddf26d2ca33558cb9ca37b0c

SHA256
66fc6310e044fabc3386c9a75bcba2fd541717c5422966a342d54be599324181

SHA512
1f501c6e628c66ff3d28e8169af1661d937855ba025d340db1493c1242a3bda0fc2634c7ad07ebe910ee2218a7c1f34fd324027831a246a930b9688f716f9e30

Download Submit
memory/2372-6-0x00000000021D0000-0x0000000002246000-memory.dmp

Filesize
472KB

Download
memory/2372-2-0x0000000074620000-0x0000000074D0E000-memory.dmp

Filesize
6.9MB

Download
memory/2372-3-0x00000000009E0000-0x00000000009FA000-memory.dmp

Filesize
104KB

Download
memory/2372-4-0x00000000007B0000-0x00000000007BE000-memory.dmp

Filesize
56KB

Download
memory/2372-5-0x0000000000960000-0x0000000000976000-memory.dmp

Filesize
88KB

Download
memory/2372-0-0x000000007462E000-0x000000007462F000-memory.dmp

Filesize
4KB

Download
memory/2372-1-0x00000000001F0000-0x0000000000290000-memory.dmp

Filesize
640KB

Download
memory/2372-18-0x0000000074620000-0x0000000074D0E000-memory.dmp

Filesize
6.9MB

Download
memory/2816-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2816-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2816-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2816-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads