formbook | 6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b

General

Target

sgooojg.exe
Size

845KB
MD5

2bb41efdd9b8f255dcdeec400920adba
SHA1

beefa2b2fcae6e57e52f0a87487b5e83c13d83d8
SHA256

6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b
SHA512

bbbd9c0a867338810cd4815050e16c9ac078a8f5efdbd750c0d548c6d500f434f487d71d7645390859b272ac99ca3272e15bc6874913f1668b3d69689d733a26
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLZVTuHkMdv896W6:ffmMv6Ckr7Mny5QLZZ4S6

Score

10^/10

formbook cl21 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cl21

Decoy

0001.shop

earch-parttimejobs.today

are888.top

akanhaunthipped.shop

othing-heyu.xyz

cadvirsor.net

nclanalae.shop

lectric-cars-mexico.today

oxj-question.xyz

ersonalloanoffers.today

ersonalloans-fo54-fo37.click

verybody-ewfx.xyz

ercuremontauban.media

azilimdunyam.net

airs-clinicato.today

wiftsscend.click

ertainly-jbws.xyz

8xeng.app

damekadmitageable.cfd

ollapsedec.shop

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/288-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/288-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2884-14-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2384 set thread context of 288	2384	sgooojg.exe	28
PID 288 set thread context of 1204	288	svchost.exe	21
PID 2884 set thread context of 1204	2884	chkdsk.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 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sgooojg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
288	svchost.exe
288	svchost.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe
2884	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2384	sgooojg.exe
288	svchost.exe
288	svchost.exe
288	svchost.exe
2884	chkdsk.exe
2884	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	288	svchost.exe
Token: SeDebugPrivilege	2884	chkdsk.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2384	sgooojg.exe
2384	sgooojg.exe
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2384	sgooojg.exe
2384	sgooojg.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 288	2384	sgooojg.exe	28
PID 2384 wrote to memory of 288	2384	sgooojg.exe	28
PID 2384 wrote to memory of 288	2384	sgooojg.exe	28
PID 2384 wrote to memory of 288	2384	sgooojg.exe	28
PID 2384 wrote to memory of 288	2384	sgooojg.exe	28
PID 1204 wrote to memory of 2884	1204	Explorer.EXE	29
PID 1204 wrote to memory of 2884	1204	Explorer.EXE	29
PID 1204 wrote to memory of 2884	1204	Explorer.EXE	29
PID 1204 wrote to memory of 2884	1204	Explorer.EXE	29
PID 2884 wrote to memory of 2576	2884	chkdsk.exe	30
PID 2884 wrote to memory of 2576	2884	chkdsk.exe	30
PID 2884 wrote to memory of 2576	2884	chkdsk.exe	30
PID 2884 wrote to memory of 2576	2884	chkdsk.exe	30

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\AppData\Local\Temp\sgooojg.exe
  "C:\Users\Admin\AppData\Local\Temp\sgooojg.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:2384
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\sgooojg.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:288
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2884
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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/288-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/288-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/288-7-0x0000000000AF0000-0x0000000000DF3000-memory.dmp

Filesize
3.0MB

Download
memory/288-10-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/1204-15-0x0000000006790000-0x00000000068F2000-memory.dmp

Filesize
1.4MB

Download
memory/1204-11-0x0000000006790000-0x00000000068F2000-memory.dmp

Filesize
1.4MB

Download
memory/1204-21-0x0000000007810000-0x000000000797A000-memory.dmp

Filesize
1.4MB

Download
memory/1204-22-0x0000000007810000-0x000000000797A000-memory.dmp

Filesize
1.4MB

Download
memory/1204-24-0x0000000007810000-0x000000000797A000-memory.dmp

Filesize
1.4MB

Download
memory/2384-5-0x00000000002C0000-0x00000000002C4000-memory.dmp

Filesize
16KB

Download
memory/2884-12-0x0000000000CD0000-0x0000000000CD7000-memory.dmp

Filesize
28KB

Download
memory/2884-13-0x0000000000CD0000-0x0000000000CD7000-memory.dmp

Filesize
28KB

Download
memory/2884-14-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

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