formbook | 5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
10-11-2022 12:49

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General

Target

5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe
Size

725KB
MD5

dc4fbd4c5afc724315acba1b784d042c
SHA1

2e1cdca264a4e29571079c2c2a2b36d899812ec8
SHA256

5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3
SHA512

a2371f0158f41e0bdc651a81e299292f9a73b233074b6ed829d2caab3fedf1ba657a57b890c44b89ed1a0c02f5e38fb14ddd13da6069ed864e1966526bd63c1e
SSDEEP

12288:4i/Pag+5072eFlCk2D3U6xMrDpm6UssNkIhGM/:vF+iquCxnxMrNlU5kq

Score

10^/10

formbook oc5e rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

oc5e

Decoy

ODVenWNCx27xmAQc

4XFONwe0gAX06UZqkA==

AD3Pph7KlPo7lQ==

UR3vF7OcYyyilfE=

dYHbq1q35dWIhecnJZ3aFJEGlDwKDoVM

ZjGUfBForJkYdek=

eHXQr1tI+ySegwM4iBtUkk4KNg0FYMk=

4a8FTkEp+vCjm+4=

aCWI49e/KcsQ8E+EU4GeShabmBah

E6V1p68mgTWfSkhOiA==

iWj9y0Sg3MU2lw==

oHsJ45Ot5v14oRA8Ut6Tqxw=

trdTtZNlNF+VuwQU

tEUYVnll1L4ojA==

Es81jGdN1YW3luwCr3T+WFk0wA==

g5eqC/tlYmtjxxJjnZM4

lFju1HzZ7iWVxxEe

4KE7NhR0YoW9Wllpmw==

qWVEpocCITjplgcphg==

FuCHb/9aumc7

Signatures

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

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

Processes:

5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 4 IoCs

Processes:

5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exeMSBuild.exewscript.exe

description	pid	Process	procid_target
PID 3404 set thread context of 4876	3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe	95
PID 4876 set thread context of 652	4876	MSBuild.exe	29
PID 4876 set thread context of 652	4876	MSBuild.exe	29
PID 964 set thread context of 652	964	wscript.exe	29

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

T1053

Processes:

schtasks.exe

pid	Process
3700	schtasks.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	Process
Key created	\Registry\User\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wscript.exe

Suspicious behavior: EnumeratesProcesses 52 IoCs

Processes:

5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exepowershell.exeMSBuild.exewscript.exe

pid	Process
3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe
3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe
3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe
2564	powershell.exe
3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe
4876	MSBuild.exe
4876	MSBuild.exe
2564	powershell.exe
4876	MSBuild.exe
4876	MSBuild.exe
4876	MSBuild.exe
4876	MSBuild.exe
4876	MSBuild.exe
4876	MSBuild.exe
4876	MSBuild.exe
4876	MSBuild.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid	Process
652	Explorer.EXE

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

MSBuild.exewscript.exe

pid	Process
4876	MSBuild.exe
4876	MSBuild.exe
4876	MSBuild.exe
4876	MSBuild.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe
964	wscript.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exepowershell.exeMSBuild.exeExplorer.EXEwscript.exe

description	pid	Process
Token: SeDebugPrivilege	3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe
Token: SeDebugPrivilege	2564	powershell.exe
Token: SeDebugPrivilege	4876	MSBuild.exe
Token: SeShutdownPrivilege	652	Explorer.EXE
Token: SeCreatePagefilePrivilege	652	Explorer.EXE
Token: SeDebugPrivilege	964	wscript.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exeExplorer.EXEwscript.exe

description	pid	Process	procid_target
PID 3404 wrote to memory of 2564	3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe	90
PID 3404 wrote to memory of 2564	3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe	90
PID 3404 wrote to memory of 2564	3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe	90
PID 3404 wrote to memory of 3700	3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe	92
PID 3404 wrote to memory of 3700	3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe	92
PID 3404 wrote to memory of 3700	3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe	92
PID 3404 wrote to memory of 2648	3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe	94
PID 3404 wrote to memory of 2648	3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe	94
PID 3404 wrote to memory of 2648	3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe	94
PID 3404 wrote to memory of 4876	3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe	95
PID 3404 wrote to memory of 4876	3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe	95
PID 3404 wrote to memory of 4876	3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe	95
PID 3404 wrote to memory of 4876	3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe	95
PID 3404 wrote to memory of 4876	3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe	95
PID 3404 wrote to memory of 4876	3404	5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe	95
PID 652 wrote to memory of 964	652	Explorer.EXE	96
PID 652 wrote to memory of 964	652	Explorer.EXE	96
PID 652 wrote to memory of 964	652	Explorer.EXE	96
PID 964 wrote to memory of 1736	964	wscript.exe	97
PID 964 wrote to memory of 1736	964	wscript.exe	97
PID 964 wrote to memory of 1736	964	wscript.exe	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:652
- C:\Users\Admin\AppData\Local\Temp\5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe
  "C:\Users\Admin\AppData\Local\Temp\5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3404
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EJiyRa.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2564
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EJiyRa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6E5A.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:3700
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    PID:2648
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4876
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:964
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1736

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6E5A.tmp

Filesize
1KB

MD5
5085e4241453ea087a8712c15a53c19b

SHA1
ca99b9137fae0842459ac28f718666a8f41e4533

SHA256
14e94519b152b7d51bd1dc30f1215583c6048aeaab91eb4629ad4be971441174

SHA512
7c93344e6360cd9034b9245ae74b4915447600bc31e6c1eadf8a5437285ee967e34b5ec8ebfe0544c9a8e5f766a869add6a42be2493a6323cf2609e3e7ae6471

Download Submit
memory/652-176-0x00000000088F0000-0x00000000089F4000-memory.dmp

Filesize
1.0MB

Download
memory/652-178-0x00000000088F0000-0x00000000089F4000-memory.dmp

Filesize
1.0MB

Download
memory/652-168-0x0000000002FC0000-0x000000000307B000-memory.dmp

Filesize
748KB

Download
memory/652-155-0x0000000008260000-0x0000000008376000-memory.dmp

Filesize
1.1MB

Download
memory/964-172-0x0000000000200000-0x0000000000227000-memory.dmp

Filesize
156KB

Download
memory/964-173-0x0000000003110000-0x000000000345A000-memory.dmp

Filesize
3.3MB

Download
memory/964-174-0x0000000001100000-0x000000000112D000-memory.dmp

Filesize
180KB

Download
memory/964-169-0x0000000000000000-mapping.dmp

Download
memory/964-177-0x0000000001100000-0x000000000112D000-memory.dmp

Filesize
180KB

Download
memory/964-175-0x0000000002F70000-0x0000000002FFF000-memory.dmp

Filesize
572KB

Download
memory/2564-160-0x0000000007350000-0x000000000736A000-memory.dmp

Filesize
104KB

Download
memory/2564-156-0x0000000006640000-0x0000000006672000-memory.dmp

Filesize
200KB

Download
memory/2564-146-0x0000000005080000-0x00000000050A2000-memory.dmp

Filesize
136KB

Download
memory/2564-147-0x0000000005950000-0x00000000059B6000-memory.dmp

Filesize
408KB

Download
memory/2564-141-0x0000000005170000-0x0000000005798000-memory.dmp

Filesize
6.2MB

Download
memory/2564-152-0x0000000006040000-0x000000000605E000-memory.dmp

Filesize
120KB

Download
memory/2564-137-0x0000000000000000-mapping.dmp

Download
memory/2564-165-0x0000000007670000-0x0000000007678000-memory.dmp

Filesize
32KB

Download
memory/2564-148-0x0000000005A30000-0x0000000005A96000-memory.dmp

Filesize
408KB

Download
memory/2564-139-0x0000000004AB0000-0x0000000004AE6000-memory.dmp

Filesize
216KB

Download
memory/2564-164-0x0000000007690000-0x00000000076AA000-memory.dmp

Filesize
104KB

Download
memory/2564-163-0x0000000007580000-0x000000000758E000-memory.dmp

Filesize
56KB

Download
memory/2564-157-0x0000000070C80000-0x0000000070CCC000-memory.dmp

Filesize
304KB

Download
memory/2564-158-0x0000000006600000-0x000000000661E000-memory.dmp

Filesize
120KB

Download
memory/2564-159-0x00000000079A0000-0x000000000801A000-memory.dmp

Filesize
6.5MB

Download
memory/2564-162-0x00000000075D0000-0x0000000007666000-memory.dmp

Filesize
600KB

Download
memory/2564-161-0x00000000073C0000-0x00000000073CA000-memory.dmp

Filesize
40KB

Download
memory/2648-142-0x0000000000000000-mapping.dmp

Download
memory/3404-134-0x0000000004B50000-0x0000000004BE2000-memory.dmp

Filesize
584KB

Download
memory/3404-132-0x0000000000080000-0x000000000013A000-memory.dmp

Filesize
744KB

Download
memory/3404-133-0x0000000005100000-0x00000000056A4000-memory.dmp

Filesize
5.6MB

Download
memory/3404-136-0x0000000008A80000-0x0000000008B1C000-memory.dmp

Filesize
624KB

Download
memory/3404-135-0x0000000004AE0000-0x0000000004AEA000-memory.dmp

Filesize
40KB

Download
memory/3700-138-0x0000000000000000-mapping.dmp

Download
memory/4876-143-0x0000000000000000-mapping.dmp

Download
memory/4876-171-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/4876-170-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4876-167-0x00000000013C0000-0x00000000013D0000-memory.dmp

Filesize
64KB

Download
memory/4876-166-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4876-154-0x0000000000BF0000-0x0000000000C00000-memory.dmp

Filesize
64KB

Download
memory/4876-153-0x0000000001440000-0x000000000178A000-memory.dmp

Filesize
3.3MB

Download
memory/4876-150-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/4876-149-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4876-144-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download