formbook | 5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41

General

Target

5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe
Size

1.1MB
MD5

2c91449d105252bdb8685eaf82baf717
SHA1

d34be35207e27e768189b967dff5c138b5348f74
SHA256

5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41
SHA512

b4f072f42aa868d5278c5891bf9786918a8c30e46575e3ed0c8ffe18e1bfe6b7d9b7fd2624756a0f479f2e76403dc273dc7397773aefc9d2c604bee6ced7456e
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLo2ylUyMtAiu5jdOXu/jX0bhLbSSY:ffmMv6Ckr7Mny5QLw2tAZxKhtY

Score

10^/10

formbook c24t discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c24t

Decoy

ealthbridgeccs.online

ngelicais.art

uktuksu1.sbs

fapoker.asia

hecreature.tech

orenzoplaybest14.xyz

op-smartphones-deal.today

delark.click

7395.asia

otnews.cfd

j16e.xyz

oko.events

fscxb.top

roudtxliberals.vote

asas-br.bond

ourhealthyourlife.shop

fbpd.top

j9u9.xyz

uijiuw.top

aming-chair-37588.bond

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/1584-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1584-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2164-13-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2476 set thread context of 1584	2476	5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe	30
PID 1584 set thread context of 1200	1584	svchost.exe	21
PID 2164 set thread context of 1200	2164	raserver.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2376	2476	WerFault.exe	29

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	5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1584	svchost.exe
1584	svchost.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe
2164	raserver.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2476	5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe
1584	svchost.exe
1584	svchost.exe
1584	svchost.exe
2164	raserver.exe
2164	raserver.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1584	svchost.exe
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeDebugPrivilege	2164	raserver.exe
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 1584	2476	5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe	30
PID 2476 wrote to memory of 1584	2476	5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe	30
PID 2476 wrote to memory of 1584	2476	5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe	30
PID 2476 wrote to memory of 1584	2476	5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe	30
PID 2476 wrote to memory of 1584	2476	5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe	30
PID 2476 wrote to memory of 2376	2476	5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe	31
PID 2476 wrote to memory of 2376	2476	5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe	31
PID 2476 wrote to memory of 2376	2476	5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe	31
PID 2476 wrote to memory of 2376	2476	5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe	31
PID 1200 wrote to memory of 2164	1200	Explorer.EXE	32
PID 1200 wrote to memory of 2164	1200	Explorer.EXE	32
PID 1200 wrote to memory of 2164	1200	Explorer.EXE	32
PID 1200 wrote to memory of 2164	1200	Explorer.EXE	32
PID 2164 wrote to memory of 2172	2164	raserver.exe	33
PID 2164 wrote to memory of 2172	2164	raserver.exe	33
PID 2164 wrote to memory of 2172	2164	raserver.exe	33
PID 2164 wrote to memory of 2172	2164	raserver.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe
  "C:\Users\Admin\AppData\Local\Temp\5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2476
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\5a0f5258d3f90db784b6d43565d0fd74579b162c683b72d41cc070bd8a7b1e41.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1584
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 388
    3⤵
    - Program crash
    PID:2376
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.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:2164
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2172

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/1200-14-0x0000000007720000-0x00000000078C6000-memory.dmp

Filesize
1.6MB

Download
memory/1200-9-0x0000000007720000-0x00000000078C6000-memory.dmp

Filesize
1.6MB

Download
memory/1200-22-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/1200-20-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/1200-19-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/1584-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1584-4-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/1584-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1584-7-0x0000000000260000-0x0000000000274000-memory.dmp

Filesize
80KB

Download
memory/2164-10-0x00000000007D0000-0x00000000007EC000-memory.dmp

Filesize
112KB

Download
memory/2164-13-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2164-11-0x00000000007D0000-0x00000000007EC000-memory.dmp

Filesize
112KB

Download
memory/2476-12-0x0000000003D70000-0x0000000004170000-memory.dmp

Filesize
4.0MB

Download
memory/2476-2-0x0000000003D70000-0x0000000004170000-memory.dmp

Filesize
4.0MB

Download

Analysis

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