formbook | 3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b

General

Target

KvG1NAXkgp9PxQb.exe
Size

694KB
MD5

cf4274ca7587295567c667da6e1bd0e0
SHA1

1e6f09bbb822019d3311f317688756d48d0d931a
SHA256

3c49acaa8cecf8350267f1be98a72b3c3cc0ab537c0ddb99b20cb6d7e65b916b
SHA512

c201dfabb87ef9252fe1124dc46bf3a6a0da685c87047e53a2d103c9f40c1992c245c168758c6286727150cc71ec20536945279a5d3360cf5ce8ced27ba324f5
SSDEEP

12288:diIR4R52J+XtONxhwH7L8US0zA50ziWjBoAOIFSDhmAfUq/Wy9jwW7i5IjlMIR:diIeeDNwH7o+cW9oAbtAMq+y9GI

Score

10^/10

formbook ax19 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ax19

Decoy

nmarklun.biz

eadithere.net

oytromcm.net

6gu536d.shop

hysicsjunction.online

esistivitysensors.net

ealthcare-software-53940.bond

tupid-edsee.cyou

614.lat

agmart.store

lothesthesale.store

ranopen.info

c1v.lat

owflyingbugs.online

undumimmobilien.net

nline-advertising-57252.bond

orktyper.net

kten10.shop

sadeaguia.net

ouseofnormal.party

Signatures

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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/3060-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3060-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3060-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2676-27-0x00000000000F0000-0x000000000011F000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid	Process
2696	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

KvG1NAXkgp9PxQb.exeKvG1NAXkgp9PxQb.execmstp.exe

description	pid	Process	procid_target
PID 1708 set thread context of 3060	1708	KvG1NAXkgp9PxQb.exe	31
PID 3060 set thread context of 1188	3060	KvG1NAXkgp9PxQb.exe	21
PID 3060 set thread context of 1188	3060	KvG1NAXkgp9PxQb.exe	21
PID 2676 set thread context of 1188	2676	cmstp.exe	21

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

Processes:

KvG1NAXkgp9PxQb.execmstp.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KvG1NAXkgp9PxQb.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 26 IoCs

Processes:

KvG1NAXkgp9PxQb.execmstp.exe

pid	Process
3060	KvG1NAXkgp9PxQb.exe
3060	KvG1NAXkgp9PxQb.exe
3060	KvG1NAXkgp9PxQb.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe
2676	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

KvG1NAXkgp9PxQb.execmstp.exe

pid	Process
3060	KvG1NAXkgp9PxQb.exe
3060	KvG1NAXkgp9PxQb.exe
3060	KvG1NAXkgp9PxQb.exe
3060	KvG1NAXkgp9PxQb.exe
2676	cmstp.exe
2676	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

KvG1NAXkgp9PxQb.execmstp.exe

description	pid	Process
Token: SeDebugPrivilege	3060	KvG1NAXkgp9PxQb.exe
Token: SeDebugPrivilege	2676	cmstp.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

KvG1NAXkgp9PxQb.exeExplorer.EXEcmstp.exe

description	pid	Process	procid_target
PID 1708 wrote to memory of 3060	1708	KvG1NAXkgp9PxQb.exe	31
PID 1708 wrote to memory of 3060	1708	KvG1NAXkgp9PxQb.exe	31
PID 1708 wrote to memory of 3060	1708	KvG1NAXkgp9PxQb.exe	31
PID 1708 wrote to memory of 3060	1708	KvG1NAXkgp9PxQb.exe	31
PID 1708 wrote to memory of 3060	1708	KvG1NAXkgp9PxQb.exe	31
PID 1708 wrote to memory of 3060	1708	KvG1NAXkgp9PxQb.exe	31
PID 1708 wrote to memory of 3060	1708	KvG1NAXkgp9PxQb.exe	31
PID 1188 wrote to memory of 2676	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2676	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2676	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2676	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2676	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2676	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2676	1188	Explorer.EXE	32
PID 2676 wrote to memory of 2696	2676	cmstp.exe	33
PID 2676 wrote to memory of 2696	2676	cmstp.exe	33
PID 2676 wrote to memory of 2696	2676	cmstp.exe	33
PID 2676 wrote to memory of 2696	2676	cmstp.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\KvG1NAXkgp9PxQb.exe
  "C:\Users\Admin\AppData\Local\Temp\KvG1NAXkgp9PxQb.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1708
- - C:\Users\Admin\AppData\Local\Temp\KvG1NAXkgp9PxQb.exe
    "C:\Users\Admin\AppData\Local\Temp\KvG1NAXkgp9PxQb.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3060
- 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:2676
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\KvG1NAXkgp9PxQb.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1188-28-0x0000000007880000-0x0000000007A04000-memory.dmp

Filesize
1.5MB

Download
memory/1188-17-0x0000000003CE0000-0x0000000003EE0000-memory.dmp

Filesize
2.0MB

Download
memory/1188-22-0x0000000007880000-0x0000000007A04000-memory.dmp

Filesize
1.5MB

Download
memory/1188-23-0x00000000065F0000-0x0000000006717000-memory.dmp

Filesize
1.2MB

Download
memory/1188-18-0x00000000065F0000-0x0000000006717000-memory.dmp

Filesize
1.2MB

Download
memory/1708-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/1708-6-0x00000000073C0000-0x0000000007438000-memory.dmp

Filesize
480KB

Download
memory/1708-5-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/1708-12-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/1708-4-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/1708-3-0x00000000004C0000-0x00000000004D8000-memory.dmp

Filesize
96KB

Download
memory/1708-2-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/1708-1-0x0000000000F70000-0x0000000001024000-memory.dmp

Filesize
720KB

Download
memory/2676-27-0x00000000000F0000-0x000000000011F000-memory.dmp

Filesize
188KB

Download
memory/2676-26-0x0000000000020000-0x0000000000038000-memory.dmp

Filesize
96KB

Download
memory/2676-24-0x0000000000020000-0x0000000000038000-memory.dmp

Filesize
96KB

Download
memory/3060-13-0x0000000000AA0000-0x0000000000DA3000-memory.dmp

Filesize
3.0MB

Download
memory/3060-21-0x0000000000220000-0x0000000000234000-memory.dmp

Filesize
80KB

Download
memory/3060-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3060-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3060-16-0x00000000001D0000-0x00000000001E4000-memory.dmp

Filesize
80KB

Download
memory/3060-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3060-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3060-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3060-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads