formbook | a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37

General

Target

LPO 92558 & 92669.exe
Size

607KB
MD5

690b2cd2a36fa7511b2d935a1efdc47f
SHA1

588f35c534c2ed93368446a25dde5f964119119f
SHA256

a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37
SHA512

5c96a1de338f2994693d0316e72a287ef0001926ca6a24d436d07d7d4e9c381a3bc1226cf567c16f5f600cd2b472130822798dd00ca9cfde09e4257c062db9ff
SSDEEP

12288:tVVln+HKifVQp+l3qRzNFCRZpUEmTITBDnjgqwEi87wruW:5dCKwQpM3wZIHUypjgqri87+uW

Score

10^/10

formbook hc58 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hc58

Decoy

reunioncoins.com

slot88win.today

diamondcarp.com

poke138.site

cratermaketing.com

mutokiva.website

thstocks5.online

openaquasurge.com

prodsdigital.com

exileescape.com

iqcjuetaudtj.com

bwexhaustprofl.com

indiglobalconnect.com

pushkeyclub.com

stephvin.top

lifebione.com

hannahmegery.com

brookchivell.com

bioskyline.com

nonprofitgrants.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/3064-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3064-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2644-21-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2688	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2220 set thread context of 3064	2220	LPO 92558 & 92669.exe	30
PID 3064 set thread context of 1196	3064	LPO 92558 & 92669.exe	21
PID 2644 set thread context of 1196	2644	ipconfig.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	LPO 92558 & 92669.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2644	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
3064	LPO 92558 & 92669.exe
3064	LPO 92558 & 92669.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe
2644	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3064	LPO 92558 & 92669.exe
3064	LPO 92558 & 92669.exe
3064	LPO 92558 & 92669.exe
2644	ipconfig.exe
2644	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3064	LPO 92558 & 92669.exe
Token: SeDebugPrivilege	2644	ipconfig.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 3064	2220	LPO 92558 & 92669.exe	30
PID 2220 wrote to memory of 3064	2220	LPO 92558 & 92669.exe	30
PID 2220 wrote to memory of 3064	2220	LPO 92558 & 92669.exe	30
PID 2220 wrote to memory of 3064	2220	LPO 92558 & 92669.exe	30
PID 2220 wrote to memory of 3064	2220	LPO 92558 & 92669.exe	30
PID 2220 wrote to memory of 3064	2220	LPO 92558 & 92669.exe	30
PID 2220 wrote to memory of 3064	2220	LPO 92558 & 92669.exe	30
PID 1196 wrote to memory of 2644	1196	Explorer.EXE	31
PID 1196 wrote to memory of 2644	1196	Explorer.EXE	31
PID 1196 wrote to memory of 2644	1196	Explorer.EXE	31
PID 1196 wrote to memory of 2644	1196	Explorer.EXE	31
PID 2644 wrote to memory of 2688	2644	ipconfig.exe	32
PID 2644 wrote to memory of 2688	2644	ipconfig.exe	32
PID 2644 wrote to memory of 2688	2644	ipconfig.exe	32
PID 2644 wrote to memory of 2688	2644	ipconfig.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\LPO 92558 & 92669.exe
  "C:\Users\Admin\AppData\Local\Temp\LPO 92558 & 92669.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2220
- - C:\Users\Admin\AppData\Local\Temp\LPO 92558 & 92669.exe
    "C:\Users\Admin\AppData\Local\Temp\LPO 92558 & 92669.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3064
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2644
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\LPO 92558 & 92669.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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/1196-17-0x00000000037B0000-0x00000000038B0000-memory.dmp

Filesize
1024KB

Download
memory/1196-23-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1196-22-0x00000000065D0000-0x000000000675B000-memory.dmp

Filesize
1.5MB

Download
memory/1196-18-0x00000000065D0000-0x000000000675B000-memory.dmp

Filesize
1.5MB

Download
memory/2220-5-0x0000000073D50000-0x000000007443E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-4-0x0000000073D5E000-0x0000000073D5F000-memory.dmp

Filesize
4KB

Download
memory/2220-6-0x0000000000EC0000-0x0000000000F36000-memory.dmp

Filesize
472KB

Download
memory/2220-1-0x0000000001000000-0x000000000109C000-memory.dmp

Filesize
624KB

Download
memory/2220-2-0x0000000073D50000-0x000000007443E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-0-0x0000000073D5E000-0x0000000073D5F000-memory.dmp

Filesize
4KB

Download
memory/2220-12-0x0000000073D50000-0x000000007443E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-3-0x00000000004C0000-0x00000000004D8000-memory.dmp

Filesize
96KB

Download
memory/2644-21-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2644-20-0x00000000001B0000-0x00000000001BA000-memory.dmp

Filesize
40KB

Download
memory/2644-19-0x00000000001B0000-0x00000000001BA000-memory.dmp

Filesize
40KB

Download
memory/3064-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3064-16-0x0000000000210000-0x0000000000225000-memory.dmp

Filesize
84KB

Download
memory/3064-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3064-13-0x00000000008A0000-0x0000000000BA3000-memory.dmp

Filesize
3.0MB

Download
memory/3064-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3064-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3064-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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