formbook | bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6

General

Target

file.exe
Size

711KB
MD5

edb164a751c9dd9defabe5b4912ffb12
SHA1

d79237920e7447a87082f1bbab77ee54e704479e
SHA256

bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6
SHA512

889f4858b07a2ee35895119e261d98b4bdc862f35cc9aee6500a4465eb3df790693532370cee9ea349a3226cd250a65836a3336cf6c47888f5240130df9af7fb
SSDEEP

12288:3p8XtgNO7LkxA22P4Qd9PbQ8BV5RdYH5cb0azdG9A2MatDX5FAMFfSm2cb54:ZePuA/ZJBlqaQaz89A2ttDX5tt

Score

10^/10

formbook gd04 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gd04

Decoy

f5u8utd50.icu

ob-offer-33304.bond

aaf.zone

hoppersrack.store

nline-gaming-33476.bond

isionaryvault.online

ilitary-jobs-88516.bond

iyxym.info

eyes.xyz

refle.xyz

kinsmonlkey.shop

oruu.shop

est2x2.online

nline-advertising-77889.bond

hepresspoolai.xyz

anilaberg.online

reimutigleben.store

anguage-courses-22450.bond

zzt.xyz

kfn.lat

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/2708-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2708-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2716-22-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2692	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1812 set thread context of 2708	1812	file.exe	30
PID 2708 set thread context of 1200	2708	file.exe	21
PID 2716 set thread context of 1200	2716	help.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
2708	file.exe
2708	file.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe
2716	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2708	file.exe
2708	file.exe
2708	file.exe
2716	help.exe
2716	help.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	file.exe
Token: SeDebugPrivilege	2716	help.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 2708	1812	file.exe	30
PID 1812 wrote to memory of 2708	1812	file.exe	30
PID 1812 wrote to memory of 2708	1812	file.exe	30
PID 1812 wrote to memory of 2708	1812	file.exe	30
PID 1812 wrote to memory of 2708	1812	file.exe	30
PID 1812 wrote to memory of 2708	1812	file.exe	30
PID 1812 wrote to memory of 2708	1812	file.exe	30
PID 1200 wrote to memory of 2716	1200	Explorer.EXE	31
PID 1200 wrote to memory of 2716	1200	Explorer.EXE	31
PID 1200 wrote to memory of 2716	1200	Explorer.EXE	31
PID 1200 wrote to memory of 2716	1200	Explorer.EXE	31
PID 2716 wrote to memory of 2692	2716	help.exe	32
PID 2716 wrote to memory of 2692	2716	help.exe	32
PID 2716 wrote to memory of 2692	2716	help.exe	32
PID 2716 wrote to memory of 2692	2716	help.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1812
- - C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2708
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:2716
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\file.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2692

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/1200-17-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1200-23-0x0000000004E40000-0x0000000004F9E000-memory.dmp

Filesize
1.4MB

Download
memory/1200-18-0x0000000004E40000-0x0000000004F9E000-memory.dmp

Filesize
1.4MB

Download
memory/1812-5-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/1812-12-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/1812-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download
memory/1812-6-0x0000000007820000-0x000000000789A000-memory.dmp

Filesize
488KB

Download
memory/1812-1-0x0000000000140000-0x00000000001F6000-memory.dmp

Filesize
728KB

Download
memory/1812-4-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download
memory/1812-2-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/1812-3-0x0000000000560000-0x0000000000578000-memory.dmp

Filesize
96KB

Download
memory/2708-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2708-14-0x0000000000A00000-0x0000000000D03000-memory.dmp

Filesize
3.0MB

Download
memory/2708-16-0x0000000000200000-0x0000000000214000-memory.dmp

Filesize
80KB

Download
memory/2708-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2708-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2708-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2708-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2716-19-0x0000000000EB0000-0x0000000000EB6000-memory.dmp

Filesize
24KB

Download
memory/2716-21-0x0000000000EB0000-0x0000000000EB6000-memory.dmp

Filesize
24KB

Download
memory/2716-22-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

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