formbook | 1189ebcdb1a7a3b4ad58df14a4db5955672c5533f873298ddb212443a924c62a

General

Target

gHALCP5u6qYbIzp.exe
Size

571KB
MD5

d46ea4a5851ace640a9f1ac3c3304e83
SHA1

3797c494b69de4c08d57e18d75e744196662d932
SHA256

dac46f3d278ac47faeadf5160565437d7abcbdc42a39a40482a12728dc088226
SHA512

f2927da84a4abfffe27761ed19716e548d4ae89d8cf0377314ef665980ff5956959b3447082b7ac247eb967ee49f20827b1dc7bf5b282973136c14709ad44ab0
SSDEEP

12288:/Hue0mNiwsiOORw9/sRU/XeL4fc+0eDr0orT77/Knj5jFbSKlHpJ0zW6iFw02g:/OOiwsiOtcyP0ePRP77/K3jtoLiKJ

Score

10^/10

formbook c18x discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c18x

Decoy

naer.top

loominc.club

eslgnpro.shop

rthodontist-53086.bond

hkil-art.online

-health.events

ustommygifts.online

reenscapemedia.online

mcometrade.online

mq8z.christmas

hristophersremodeling.biz

iverpoolvr.info

xlaw.app

heartpa.shop

nbxsbsk.shop

ompany-chargeback.pro

hevikingshucker.net

anaara.net

eadgenrndtbl.net

odagc.info

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2236-12-0x0000000000400000-0x000000000042F000-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
2356	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1964 set thread context of 2236	1964	gHALCP5u6qYbIzp.exe	33

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
2844	2236	WerFault.exe	33

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	gHALCP5u6qYbIzp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gHALCP5u6qYbIzp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1964	gHALCP5u6qYbIzp.exe
1964	gHALCP5u6qYbIzp.exe
2356	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1964	gHALCP5u6qYbIzp.exe
Token: SeDebugPrivilege	2356	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 2356	1964	gHALCP5u6qYbIzp.exe	30
PID 1964 wrote to memory of 2356	1964	gHALCP5u6qYbIzp.exe	30
PID 1964 wrote to memory of 2356	1964	gHALCP5u6qYbIzp.exe	30
PID 1964 wrote to memory of 2356	1964	gHALCP5u6qYbIzp.exe	30
PID 1964 wrote to memory of 2180	1964	gHALCP5u6qYbIzp.exe	32
PID 1964 wrote to memory of 2180	1964	gHALCP5u6qYbIzp.exe	32
PID 1964 wrote to memory of 2180	1964	gHALCP5u6qYbIzp.exe	32
PID 1964 wrote to memory of 2180	1964	gHALCP5u6qYbIzp.exe	32
PID 1964 wrote to memory of 2236	1964	gHALCP5u6qYbIzp.exe	33
PID 1964 wrote to memory of 2236	1964	gHALCP5u6qYbIzp.exe	33
PID 1964 wrote to memory of 2236	1964	gHALCP5u6qYbIzp.exe	33
PID 1964 wrote to memory of 2236	1964	gHALCP5u6qYbIzp.exe	33
PID 1964 wrote to memory of 2236	1964	gHALCP5u6qYbIzp.exe	33
PID 1964 wrote to memory of 2236	1964	gHALCP5u6qYbIzp.exe	33
PID 1964 wrote to memory of 2236	1964	gHALCP5u6qYbIzp.exe	33
PID 2236 wrote to memory of 2844	2236	gHALCP5u6qYbIzp.exe	34
PID 2236 wrote to memory of 2844	2236	gHALCP5u6qYbIzp.exe	34
PID 2236 wrote to memory of 2844	2236	gHALCP5u6qYbIzp.exe	34
PID 2236 wrote to memory of 2844	2236	gHALCP5u6qYbIzp.exe	34

C:\Users\Admin\AppData\Local\Temp\gHALCP5u6qYbIzp.exe
"C:\Users\Admin\AppData\Local\Temp\gHALCP5u6qYbIzp.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1964
- 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\gHALCP5u6qYbIzp.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2356
- C:\Users\Admin\AppData\Local\Temp\gHALCP5u6qYbIzp.exe
  "C:\Users\Admin\AppData\Local\Temp\gHALCP5u6qYbIzp.exe"
  2⤵
  PID:2180
- C:\Users\Admin\AppData\Local\Temp\gHALCP5u6qYbIzp.exe
  "C:\Users\Admin\AppData\Local\Temp\gHALCP5u6qYbIzp.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 36
    3⤵
    - Program crash
    PID:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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/1964-0-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

Filesize
4KB

Download
memory/1964-1-0x00000000011E0000-0x0000000001276000-memory.dmp

Filesize
600KB

Download
memory/1964-2-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/1964-3-0x0000000000A50000-0x0000000000A60000-memory.dmp

Filesize
64KB

Download
memory/1964-4-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

Filesize
4KB

Download
memory/1964-5-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/1964-6-0x00000000053F0000-0x0000000005466000-memory.dmp

Filesize
472KB

Download
memory/1964-13-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/2236-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2236-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2236-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2236-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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