formbook | 925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b

General

Target

925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe
Size

1.0MB
MD5

3f3764a227cbaa066e1cfd4cf58e0d95
SHA1

9505108a970f6c56eebae861774889513058a333
SHA256

925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b
SHA512

c449793821e7bc88f7e3dd7e78db88f33d0f40c3b60d7f224a69700fb4bcfd6f3336f22891c8e776e0b333e983f94756395354e82c9bed36148f21bd4235e642
SSDEEP

24576:8RmJkcoQricOIQxiZY1iaAHZVYzdb8qASJN7ChaNKuY:pJZoQrbTFZY1iaAHZVYBxG

Score

10^/10

formbook e62s discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

e62s

Decoy

ellinksa.shop

uckyspinph.xyz

owdark.net

arriage-therapy-72241.bond

w7ijko4rv4p97b.top

heirbuzzwords.buzz

aspart.shop

ctivemail5-kagoya-com.info

shacertification9.shop

zitcd65k3.buzz

llkosoi.info

ru8.info

rhgtrdjdjykyetrdjftd.buzz

yschoollist.kiwi

oftfolio.online

rograma-de-almacen-2.online

oudoarms.top

mwquas.xyz

orjagaucha.website

nlinechat-mh.online

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
behavioral2/memory/220-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/220-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/220-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4928 set thread context of 220	4928	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe	86
PID 220 set thread context of 3576	220	svchost.exe	56
PID 220 set thread context of 3576	220	svchost.exe	56

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 1 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	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
220	svchost.exe
220	svchost.exe
220	svchost.exe
220	svchost.exe
220	svchost.exe
220	svchost.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
4928	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe
220	svchost.exe
220	svchost.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeDebugPrivilege	220	svchost.exe
Token: SeShutdownPrivilege	3576	Explorer.EXE
Token: SeCreatePagefilePrivilege	3576	Explorer.EXE
Token: SeShutdownPrivilege	3576	Explorer.EXE
Token: SeCreatePagefilePrivilege	3576	Explorer.EXE
Token: SeShutdownPrivilege	3576	Explorer.EXE
Token: SeCreatePagefilePrivilege	3576	Explorer.EXE
Token: SeShutdownPrivilege	3576	Explorer.EXE
Token: SeCreatePagefilePrivilege	3576	Explorer.EXE
Token: SeShutdownPrivilege	3576	Explorer.EXE
Token: SeCreatePagefilePrivilege	3576	Explorer.EXE
Token: SeShutdownPrivilege	3576	Explorer.EXE
Token: SeCreatePagefilePrivilege	3576	Explorer.EXE
Token: SeShutdownPrivilege	3576	Explorer.EXE
Token: SeCreatePagefilePrivilege	3576	Explorer.EXE
Token: SeShutdownPrivilege	3576	Explorer.EXE
Token: SeCreatePagefilePrivilege	3576	Explorer.EXE

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
4928	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe
4928	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe
4928	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe
3576	Explorer.EXE
3576	Explorer.EXE

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4928	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe
4928	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe
4928	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3576	Explorer.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 220	4928	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe	86
PID 4928 wrote to memory of 220	4928	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe	86
PID 4928 wrote to memory of 220	4928	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe	86
PID 4928 wrote to memory of 220	4928	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3576
- C:\Users\Admin\AppData\Local\Temp\925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe
  "C:\Users\Admin\AppData\Local\Temp\925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe"
  2⤵
  - 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:4928
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

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Downloads

memory/220-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/220-4-0x0000000001700000-0x0000000001A4A000-memory.dmp

Filesize
3.3MB

Download
memory/220-7-0x0000000001BA0000-0x0000000001BB5000-memory.dmp

Filesize
84KB

Download
memory/220-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/220-11-0x0000000003520000-0x0000000003535000-memory.dmp

Filesize
84KB

Download
memory/220-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3576-8-0x0000000008F20000-0x000000000902B000-memory.dmp

Filesize
1.0MB

Download
memory/3576-12-0x00000000089D0000-0x0000000008B26000-memory.dmp

Filesize
1.3MB

Download
memory/3576-13-0x0000000008F20000-0x000000000902B000-memory.dmp

Filesize
1.0MB

Download
memory/3576-14-0x00000000089D0000-0x0000000008B26000-memory.dmp

Filesize
1.3MB

Download
memory/4928-2-0x00000000040B0000-0x00000000042B0000-memory.dmp

Filesize
2.0MB

Download

Analysis

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