formbook | 2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891

General

Target

2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe
Size

768KB
MD5

5aa8233ac59851776b9bc4f60c995752
SHA1

ed7a5b480b9f15feb6827f5053b10bdbf8c97ab6
SHA256

2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891
SHA512

1aa406e8ef185796090882380e5f6165e559c9a520ce949ccf9ea604f7b56abd4918355aeab6ed5e8ace60c9e8c155b6d84ae7a9701caf17a4354289885ba3a8
SSDEEP

24576:iZMvvzf7yduCoa9PsV3wEcru7OcHJkyJ9:iUvzfugCoaZ23/cCpH6yJ9

Score

10^/10

formbook dn13 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn13

Decoy

5q53s.top

f9813.top

ysticsmoke.net

ignorysingeysquints.cfd

yncsignature.live

svp-their.xyz

outya.xyz

wlkflwef3sf2wf.top

etterjugfetkaril.cfd

p9eh2s99b5.top

400108iqlnnqi219.top

ynsu-condition.xyz

ndividual-bfiaen.xyz

anceibizamagazine.net

itrussips.live

orkcubefood.xyz

lindsandfurnishings.shop

ajwmid.top

pigramescentfeatous.shop

mbvcv56789.click

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2720-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2712	powershell.exe
2992	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 840 set thread context of 2720	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	37

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 4 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	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2764	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe
840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe
2720	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe
2992	powershell.exe
2712	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe
Token: SeDebugPrivilege	2992	powershell.exe
Token: SeDebugPrivilege	2712	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 840 wrote to memory of 2712	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	31
PID 840 wrote to memory of 2712	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	31
PID 840 wrote to memory of 2712	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	31
PID 840 wrote to memory of 2712	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	31
PID 840 wrote to memory of 2992	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	33
PID 840 wrote to memory of 2992	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	33
PID 840 wrote to memory of 2992	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	33
PID 840 wrote to memory of 2992	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	33
PID 840 wrote to memory of 2764	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	34
PID 840 wrote to memory of 2764	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	34
PID 840 wrote to memory of 2764	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	34
PID 840 wrote to memory of 2764	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	34
PID 840 wrote to memory of 2720	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	37
PID 840 wrote to memory of 2720	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	37
PID 840 wrote to memory of 2720	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	37
PID 840 wrote to memory of 2720	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	37
PID 840 wrote to memory of 2720	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	37
PID 840 wrote to memory of 2720	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	37
PID 840 wrote to memory of 2720	840	2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe	37

C:\Users\Admin\AppData\Local\Temp\2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe
"C:\Users\Admin\AppData\Local\Temp\2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:840
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2712
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HxZhuo.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2992
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HxZhuo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF92E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2764
- C:\Users\Admin\AppData\Local\Temp\2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe
  "C:\Users\Admin\AppData\Local\Temp\2f1628d8b8fc177731b898fb0a6d1bc871f4da59e9d0669b368d0e4e7d20f891.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2720

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF92E.tmp

Filesize
1KB

MD5
201ff54561a5085d9c82e50a150bff92

SHA1
1d405af4c40731757f87d61ad4b6593a0f133c52

SHA256
0424fad79e79f4975eef72780f4a321ab4c1d4bd37de36ef440e95c8e26a62ce

SHA512
28494566f1c4147b820f002cb1e6c4d08ebc3f1e8ea0ea9f6f8765fe5e560cb60a85b7f4f3742ce855d546b6bce40e3694e9abf64bc1ba6f7660d8ae5310c324

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\7TP9W68L7NC3ZNZ2IWKM.temp

Filesize
7KB

MD5
cbe131a1ed795f83c1745a38e4e8dfa1

SHA1
a8a5e5374f39ed90c3a2c841378e2f9e11aa93eb

SHA256
5be166bf52ba1184841d7cd936b0684123b6b209f11e8e542db61d1ede2b4da1

SHA512
4d6a146131321ed0c55507dc14c39b19ebb1d506054ea1a533a68b8f0461ef41271084c0cdaa8a694c56eaa363385e9a660dfcebcc47e701e1ac548196a66f18

Download Submit
memory/840-6-0x0000000005360000-0x00000000053D8000-memory.dmp

Filesize
480KB

Download
memory/840-3-0x00000000002A0000-0x00000000002B2000-memory.dmp

Filesize
72KB

Download
memory/840-4-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/840-5-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/840-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/840-2-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/840-1-0x0000000000C10000-0x0000000000CD4000-memory.dmp

Filesize
784KB

Download
memory/840-25-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2720-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2720-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2720-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads