formbook | 8af00e7a5aa93e2c083481d3b4e5b94f7d1844aab13f13fde1b27a986f38f662

General

Target

SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe
Size

746KB
MD5

fc3a43360662f6208ca669d161957b58
SHA1

16d7ba64dacfbfb96d9577d0e9197a578ca5fcbd
SHA256

8af00e7a5aa93e2c083481d3b4e5b94f7d1844aab13f13fde1b27a986f38f662
SHA512

eb963fdc482fe1131fe0819bc63182107bd3a6570613c8bee889e43ada102452c9d99576055002be4fa9f3fd906db911f68f267115bcd8376058c57b0c076608
SSDEEP

12288:WqdBj0z1Cat1UoIG5MPU0wOqp0473y4qdDNPjyu9Jyq3qQLhqpu1aqyCgW+8jd9:faDUobyTkpL7yPDLhqpkaqyW+8jd9

Score

10^/10

formbook b31a discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b31a

Decoy

enjamin-paaac.buzz

mail-marketing-40950.bond

pusems28-post.cyou

hindo.top

ruck-company-be.today

asinos-deutschland.net

ewancash.boats

etdopovo.casino

rcher-saaac.buzz

871166.vip

manuel.app

g3yqo.shop

-9way.xyz

qawgytfexe.bond

iefi6834.vip

ental-health-35901.bond

idat-merkez18.top

rojectleadzone.website

lirudolph.top

migloballlc.online

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2852-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1524 set thread context of 2852	1524	SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe	31

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	SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1524	SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe
1524	SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe
1524	SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe
1524	SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe
2852	SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1524	SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 2956	1524	SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe	30
PID 1524 wrote to memory of 2956	1524	SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe	30
PID 1524 wrote to memory of 2956	1524	SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe	30
PID 1524 wrote to memory of 2956	1524	SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe	30
PID 1524 wrote to memory of 2852	1524	SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe	31
PID 1524 wrote to memory of 2852	1524	SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe	31
PID 1524 wrote to memory of 2852	1524	SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe	31
PID 1524 wrote to memory of 2852	1524	SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe	31
PID 1524 wrote to memory of 2852	1524	SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe	31
PID 1524 wrote to memory of 2852	1524	SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe	31
PID 1524 wrote to memory of 2852	1524	SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe	31

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe"
  2⤵
  PID:2956
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.14713.2100.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2852

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/1524-6-0x0000000005140000-0x00000000051B6000-memory.dmp

Filesize
472KB

Download
memory/1524-1-0x0000000000170000-0x0000000000230000-memory.dmp

Filesize
768KB

Download
memory/1524-2-0x0000000000630000-0x0000000000648000-memory.dmp

Filesize
96KB

Download
memory/1524-3-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/1524-4-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/1524-5-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/1524-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/1524-15-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/2852-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2852-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2852-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2852-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2852-16-0x0000000000820000-0x0000000000B23000-memory.dmp

Filesize
3.0MB

Download

Analysis

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