formbook | f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d

General

Target

JaffaCakes118_54ef2f2acdf62dfb40fc32aab1f46307.exe
Size

457KB
MD5

54ef2f2acdf62dfb40fc32aab1f46307
SHA1

3f3640685b7af5b52a13d49cfd1cf5364114e317
SHA256

f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d
SHA512

3ee12f2d99ce1ce272f99b7e190694f52aaf68bb2267f53efb6073d79100a3d127ad841bd9324d675af527e06bb9c56218ff1e91dfb644af1d21042cf049ff03
SSDEEP

6144:MqTi59VJdaD70ylbBTpVg8DPmgQhSdj/4KngWIq6jRk+j:MGin670yTTpVg8CgcSKKngWIjX

Score

10^/10

formbook h37 discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

h37

Decoy

misfitsbarandgrill.com

pijpsletjes.com

practiman.com

trailersgeek.online

greathappiness.faith

solderisland.com

kk5299.com

nani21.com

sharpactinvest.com

meteocockpit.com

provisionswpgroup.com

theplaze.net

westaustralian.ninja

freetrafficupgradingall.win

paraisocalafate.com

nelps.com

buywatch.win

sgfmim.site

mexicotradicional.com

moving411.biz

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
behavioral2/memory/4904-15-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/4904-19-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/4904-20-0x0000000000400000-0x000000000042A000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	JaffaCakes118_54ef2f2acdf62dfb40fc32aab1f46307.exe

Executes dropped EXE 2 IoCs

pid	Process
2788	app.exe
4904	app.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Libraries\\app.exe -boot"	app.exe

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 2788 set thread context of 4904	2788	app.exe	105
PID 4904 set thread context of 3436	4904	app.exe	56
PID 4904 set thread context of 1372	4904	app.exe	101
PID 4904 set thread context of 3436	4904	app.exe	56
PID 4336 set thread context of 3436	4336	msdt.exe	56

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 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	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_54ef2f2acdf62dfb40fc32aab1f46307.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	app.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	app.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
3028	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4904	app.exe
4904	app.exe
4904	app.exe
4904	app.exe
4904	app.exe
4904	app.exe
4336	msdt.exe
4336	msdt.exe
4336	msdt.exe
4336	msdt.exe
4336	msdt.exe
4336	msdt.exe
4336	msdt.exe
4336	msdt.exe
4336	msdt.exe
4336	msdt.exe
4336	msdt.exe
4336	msdt.exe
4336	msdt.exe
4336	msdt.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4904	app.exe
4904	app.exe
4904	app.exe
4904	app.exe
4904	app.exe
4336	msdt.exe
4336	msdt.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	JaffaCakes118_54ef2f2acdf62dfb40fc32aab1f46307.exe
Token: SeDebugPrivilege	2788	app.exe
Token: SeDebugPrivilege	4904	app.exe
Token: SeDebugPrivilege	4336	msdt.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 4464	2128	JaffaCakes118_54ef2f2acdf62dfb40fc32aab1f46307.exe	95
PID 2128 wrote to memory of 4464	2128	JaffaCakes118_54ef2f2acdf62dfb40fc32aab1f46307.exe	95
PID 2128 wrote to memory of 4464	2128	JaffaCakes118_54ef2f2acdf62dfb40fc32aab1f46307.exe	95
PID 2128 wrote to memory of 932	2128	JaffaCakes118_54ef2f2acdf62dfb40fc32aab1f46307.exe	100
PID 2128 wrote to memory of 932	2128	JaffaCakes118_54ef2f2acdf62dfb40fc32aab1f46307.exe	100
PID 2128 wrote to memory of 932	2128	JaffaCakes118_54ef2f2acdf62dfb40fc32aab1f46307.exe	100
PID 1372 wrote to memory of 2788	1372	explorer.exe	102
PID 1372 wrote to memory of 2788	1372	explorer.exe	102
PID 1372 wrote to memory of 2788	1372	explorer.exe	102
PID 2788 wrote to memory of 4904	2788	app.exe	105
PID 2788 wrote to memory of 4904	2788	app.exe	105
PID 2788 wrote to memory of 4904	2788	app.exe	105
PID 2788 wrote to memory of 4904	2788	app.exe	105
PID 2788 wrote to memory of 4904	2788	app.exe	105
PID 2788 wrote to memory of 4904	2788	app.exe	105
PID 1372 wrote to memory of 3028	1372	explorer.exe	106
PID 1372 wrote to memory of 3028	1372	explorer.exe	106
PID 1372 wrote to memory of 3028	1372	explorer.exe	106
PID 3436 wrote to memory of 4336	3436	Explorer.EXE	107
PID 3436 wrote to memory of 4336	3436	Explorer.EXE	107
PID 3436 wrote to memory of 4336	3436	Explorer.EXE	107
PID 4336 wrote to memory of 2560	4336	msdt.exe	108
PID 4336 wrote to memory of 2560	4336	msdt.exe	108
PID 4336 wrote to memory of 2560	4336	msdt.exe	108

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_54ef2f2acdf62dfb40fc32aab1f46307.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_54ef2f2acdf62dfb40fc32aab1f46307.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_54ef2f2acdf62dfb40fc32aab1f46307.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\app.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4464
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\System32\explorer.exe" /c, "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\app.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:932
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:4336
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\app.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2560

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:1372
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\app.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\app.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2788
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\app.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\app.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4904
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Gathers network information
  PID:3028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\app.exe

Filesize
457KB

MD5
54ef2f2acdf62dfb40fc32aab1f46307

SHA1
3f3640685b7af5b52a13d49cfd1cf5364114e317

SHA256
f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d

SHA512
3ee12f2d99ce1ce272f99b7e190694f52aaf68bb2267f53efb6073d79100a3d127ad841bd9324d675af527e06bb9c56218ff1e91dfb644af1d21042cf049ff03

Download Submit
memory/2128-11-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/2128-0-0x00000000748DE000-0x00000000748DF000-memory.dmp

Filesize
4KB

Download
memory/2128-3-0x0000000004EC0000-0x0000000004F52000-memory.dmp

Filesize
584KB

Download
memory/2128-4-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/2128-5-0x0000000004E90000-0x0000000004EB0000-memory.dmp

Filesize
128KB

Download
memory/2128-6-0x00000000748DE000-0x00000000748DF000-memory.dmp

Filesize
4KB

Download
memory/2128-2-0x0000000005520000-0x0000000005AC4000-memory.dmp

Filesize
5.6MB

Download
memory/2128-1-0x00000000005E0000-0x0000000000658000-memory.dmp

Filesize
480KB

Download
memory/2128-7-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/2788-14-0x0000000006B30000-0x0000000006BCC000-memory.dmp

Filesize
624KB

Download
memory/3436-24-0x0000000003430000-0x0000000003523000-memory.dmp

Filesize
972KB

Download
memory/4336-21-0x0000000000790000-0x00000000007E7000-memory.dmp

Filesize
348KB

Download
memory/4904-15-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4904-19-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4904-20-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads