formbook | 0c06d0aca06e1a105223e18f1f7505b79f7a8f3e48aaa4c07a71e5e97ef94905

General

Target

0202-22.exe
Size

462KB
MD5

25187246817de52ff581a45f4f11f241
SHA1

6166539dd8e4848758432de290c82cdfa113d0f7
SHA256

f5d980b064f019eae241837745f27d679386904a95caef0e572709611019cc7c
SHA512

797350c31c78d5df0aa24b12c7559f380253e64f03b0b629501d2cd8abd8b8174b6937816315b17cab1a33a858c652e418f5ddfb0475fd37f364dfe46ca27115
SSDEEP

12288:CVO7JCi3zD56YS6Hu8IDa2yMxTsZhkeM4:CVOVTDD5pHuK2txTsZRM

Score

10^/10

formbook oh75 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

oh75

Decoy

denizgidam.com

6cc06.com

charlottewaldburgzeil.com

medijanus.com

qingdaoyiersan.com

datcabilgisayar.xyz

111439d.com

xn--1ruo40k.com

wu6enxwcx5h3.xyz

vnscloud.net

brtka.xyz

showztime.com

promocoesdedezenbro.com

wokpy.com

chnowuk.online

rockshotscafe.com

pelrjy.com

nato-riness.com

feixiang-chem.com

thcoinexchange.com

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/884-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/884-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1228-25-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2328	powershell.exe

Deletes itself 1 IoCs

pid	Process
1960	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2840 set thread context of 884	2840	0202-22.exe	35
PID 884 set thread context of 1212	884	0202-22.exe	21
PID 884 set thread context of 1212	884	0202-22.exe	21
PID 1228 set thread context of 1212	1228	control.exe	21

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 5 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	control.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0202-22.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2256	schtasks.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
884	0202-22.exe
884	0202-22.exe
2328	powershell.exe
884	0202-22.exe
1228	control.exe
1228	control.exe
1228	control.exe
1228	control.exe
1228	control.exe
1228	control.exe
1228	control.exe
1228	control.exe
1228	control.exe
1228	control.exe
1228	control.exe
1228	control.exe
1228	control.exe
1228	control.exe
1228	control.exe
1228	control.exe
1228	control.exe
1228	control.exe
1228	control.exe
1228	control.exe
1228	control.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
884	0202-22.exe
884	0202-22.exe
884	0202-22.exe
884	0202-22.exe
1228	control.exe
1228	control.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	884	0202-22.exe
Token: SeDebugPrivilege	2328	powershell.exe
Token: SeDebugPrivilege	1228	control.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 2328	2840	0202-22.exe	31
PID 2840 wrote to memory of 2328	2840	0202-22.exe	31
PID 2840 wrote to memory of 2328	2840	0202-22.exe	31
PID 2840 wrote to memory of 2328	2840	0202-22.exe	31
PID 2840 wrote to memory of 2256	2840	0202-22.exe	33
PID 2840 wrote to memory of 2256	2840	0202-22.exe	33
PID 2840 wrote to memory of 2256	2840	0202-22.exe	33
PID 2840 wrote to memory of 2256	2840	0202-22.exe	33
PID 2840 wrote to memory of 884	2840	0202-22.exe	35
PID 2840 wrote to memory of 884	2840	0202-22.exe	35
PID 2840 wrote to memory of 884	2840	0202-22.exe	35
PID 2840 wrote to memory of 884	2840	0202-22.exe	35
PID 2840 wrote to memory of 884	2840	0202-22.exe	35
PID 2840 wrote to memory of 884	2840	0202-22.exe	35
PID 2840 wrote to memory of 884	2840	0202-22.exe	35
PID 1212 wrote to memory of 1228	1212	Explorer.EXE	36
PID 1212 wrote to memory of 1228	1212	Explorer.EXE	36
PID 1212 wrote to memory of 1228	1212	Explorer.EXE	36
PID 1212 wrote to memory of 1228	1212	Explorer.EXE	36
PID 1228 wrote to memory of 1960	1228	control.exe	37
PID 1228 wrote to memory of 1960	1228	control.exe	37
PID 1228 wrote to memory of 1960	1228	control.exe	37
PID 1228 wrote to memory of 1960	1228	control.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\0202-22.exe
  "C:\Users\Admin\AppData\Local\Temp\0202-22.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\etwActgdksJ.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2328
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\etwActgdksJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF038.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2256
- - C:\Users\Admin\AppData\Local\Temp\0202-22.exe
    "C:\Users\Admin\AppData\Local\Temp\0202-22.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:884
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:1228
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\0202-22.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:1960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF038.tmp

Filesize
1KB

MD5
4192be8cc6454082a2fa1a3141758773

SHA1
7f13c9b16416c870418331379216ef1fcd828ba1

SHA256
ffe65b3ca71e61486af001b5c04716a9d9031c9a5e42b6fa82cbfe175369c8cf

SHA512
a0bb6747a16939223b82a81e82b159bea9eac16ee97d58add3b98ee0433e1f4b76a8e3e344afaa995d927fdc42f646b2428db1ca28b1842bd3c0776207ade7b9

Download Submit
memory/884-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/884-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/884-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/884-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/884-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1228-25-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/1228-24-0x0000000000950000-0x000000000096F000-memory.dmp

Filesize
124KB

Download
memory/2840-4-0x000000007460E000-0x000000007460F000-memory.dmp

Filesize
4KB

Download
memory/2840-6-0x0000000005170000-0x00000000051D6000-memory.dmp

Filesize
408KB

Download
memory/2840-5-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2840-0-0x000000007460E000-0x000000007460F000-memory.dmp

Filesize
4KB

Download
memory/2840-20-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2840-3-0x0000000000390000-0x00000000003A4000-memory.dmp

Filesize
80KB

Download
memory/2840-2-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2840-1-0x0000000001290000-0x000000000130A000-memory.dmp

Filesize
488KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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