formbook | 4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312

General

Target

4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe
Size

1.1MB
MD5

64dbde73e410165a5e6566ed2b2282b6
SHA1

7635298f794a9c7a68ac7675ca33574a765b8fb7
SHA256

4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312
SHA512

2bb58b47caca2be94fa934b34f6e0630a4281dc63ef908a11155a3986cfdd1316bc6ee93fe41e4486b2e2bc5153c8175b990653c9ef59de81af8ada7222d4b46
SSDEEP

24576:KfmMv6Ckr7Mny5Qtz8SC9Z0TKqIrZopc8jiFiYpn/N9H0:K3v+7/5QtUYLIF8uFHpn19H0

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
behavioral1/memory/2868-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2868-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2276-13-0x0000000000110000-0x000000000013F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 792 set thread context of 2868	792	4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe	30
PID 2868 set thread context of 1264	2868	svchost.exe	21
PID 2276 set thread context of 1264	2276	cmstp.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	4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2868	svchost.exe
2868	svchost.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe
2276	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
792	4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe
2868	svchost.exe
2868	svchost.exe
2868	svchost.exe
2276	cmstp.exe
2276	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2868	svchost.exe
Token: SeDebugPrivilege	2276	cmstp.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 792 wrote to memory of 2868	792	4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe	30
PID 792 wrote to memory of 2868	792	4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe	30
PID 792 wrote to memory of 2868	792	4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe	30
PID 792 wrote to memory of 2868	792	4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe	30
PID 792 wrote to memory of 2868	792	4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe	30
PID 1264 wrote to memory of 2276	1264	Explorer.EXE	31
PID 1264 wrote to memory of 2276	1264	Explorer.EXE	31
PID 1264 wrote to memory of 2276	1264	Explorer.EXE	31
PID 1264 wrote to memory of 2276	1264	Explorer.EXE	31
PID 1264 wrote to memory of 2276	1264	Explorer.EXE	31
PID 1264 wrote to memory of 2276	1264	Explorer.EXE	31
PID 1264 wrote to memory of 2276	1264	Explorer.EXE	31
PID 2276 wrote to memory of 2828	2276	cmstp.exe	32
PID 2276 wrote to memory of 2828	2276	cmstp.exe	32
PID 2276 wrote to memory of 2828	2276	cmstp.exe	32
PID 2276 wrote to memory of 2828	2276	cmstp.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Users\Admin\AppData\Local\Temp\4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe
  "C:\Users\Admin\AppData\Local\Temp\4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:792
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\4d7b9bb02299bcc46d95f2df772d152d3ebb8445c04e6255040c61fb5ea46312.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2868
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2276
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2828

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/792-2-0x0000000003A10000-0x0000000003E10000-memory.dmp

Filesize
4.0MB

Download
memory/1264-9-0x00000000076D0000-0x000000000786C000-memory.dmp

Filesize
1.6MB

Download
memory/1264-14-0x00000000076D0000-0x000000000786C000-memory.dmp

Filesize
1.6MB

Download
memory/1264-16-0x00000000001E0000-0x00000000002E0000-memory.dmp

Filesize
1024KB

Download
memory/2276-10-0x00000000000F0000-0x0000000000108000-memory.dmp

Filesize
96KB

Download
memory/2276-12-0x00000000000F0000-0x0000000000108000-memory.dmp

Filesize
96KB

Download
memory/2276-13-0x0000000000110000-0x000000000013F000-memory.dmp

Filesize
188KB

Download
memory/2868-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2868-4-0x0000000000990000-0x0000000000C93000-memory.dmp

Filesize
3.0MB

Download
memory/2868-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2868-7-0x00000000001D0000-0x00000000001E5000-memory.dmp

Filesize
84KB

Download

Analysis

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