formbook | 7ce7ca5deeb35f3cce19ca4e01e28aebe9f1b03dc8778a2e85e0d515a6df1a3e

General

Target

c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
Size

1.1MB
MD5

e9ad14c57de3288fd9de4d5cdcbf66e0
SHA1

c21ec1560b66e3e4581a8c6cb41fa769527cfd7a
SHA256

7ce7ca5deeb35f3cce19ca4e01e28aebe9f1b03dc8778a2e85e0d515a6df1a3e
SHA512

61199ba16efbe0036e909a05b46ce41a36b019bc6af9cdd8c39bde1ff595d0309bbaca766820c9bfef9d221d3bc850cd5f7e42729fc43a1d5d6a1fb6c8236ba5
SSDEEP

24576:e0pUTyvWX1Qf+cBX0RxfAx5lv2s6MDYTbJNkj:TUT3XTcR0zIBv2lMDYTbJNM

Score

10^/10

formbook oi05 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

oi05

Decoy

fluidavail.online

blchain.tech

kyocera.website

sangmine.xyz

thepolicyjacket.info

ssvhelpman.net

y-t-design.com

eminentabroad.com

codingcamp.store

bester.capital

tanjiya23.site

bheniamyn.dev

top5monitor.com

bit-prim.trade

airstreamsocialclub.com

darkwarspod.com

zazisalesdistribution.com

vivolentlo.online

daftburo.net

elemangelsin.xyz

Signatures

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

Formbook payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3572-143-0x0000000000400000-0x000000000042F000-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

Processes:

c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{B04FDEBC-C8EF-4BB6-8654-0541A2324AE4}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{1781B466-B25C-4B95-894B-E40E86DD3CAA}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

description	pid	process	target process
PID 1544 set thread context of 3572	1544	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1616 schtasks.exe

pid	process
1616	schtasks.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exec21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

pid process

2348 powershell.exe
3572 c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
3572 c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
2348 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2348 powershell.exe

pid	process
2348	powershell.exe
3572	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
3572	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
2348	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2348	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

description	pid	process	target process
PID 1544 wrote to memory of 2348	1544	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	powershell.exe
PID 1544 wrote to memory of 2348	1544	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	powershell.exe
PID 1544 wrote to memory of 2348	1544	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	powershell.exe
PID 1544 wrote to memory of 1616	1544	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	schtasks.exe
PID 1544 wrote to memory of 1616	1544	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	schtasks.exe
PID 1544 wrote to memory of 1616	1544	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	schtasks.exe
PID 1544 wrote to memory of 3572	1544	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
PID 1544 wrote to memory of 3572	1544	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
PID 1544 wrote to memory of 3572	1544	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
PID 1544 wrote to memory of 3572	1544	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
PID 1544 wrote to memory of 3572	1544	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
PID 1544 wrote to memory of 3572	1544	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
"C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1544

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nLaCRhtjINQTQ.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2348

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nLaCRhtjINQTQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA19F.tmp"
2⤵
- Creates scheduled task(s)
PID:1616

C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
"C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:3572

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:5008

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA19F.tmp
Filesize
1KB

MD5
000cd01f6caf75cd1d5f562a9ae7f395

SHA1
80aaa27e5d3a6c28f796bc3130635d271ae6bad5

SHA256
d5ee7ed35735031e089e724f325529c180b3c7f0e09a344bf1da4e145f1dd42f

SHA512
6be05bec29d6a53c39182e5e307e20d32b02ffcf18e1bc1fd99b750d9ccd4601b7a4c8488bbbdd4db5a6bc8cd168c664e7a733690d892398e0c1ccf3e25bfea0

Download Submit
memory/1544-133-0x0000000005DB0000-0x0000000006354000-memory.dmp

Filesize
5.6MB

Download
memory/1544-134-0x00000000058A0000-0x0000000005932000-memory.dmp

Filesize
584KB

Download
memory/1544-135-0x0000000005860000-0x000000000586A000-memory.dmp

Filesize
40KB

Download
memory/1544-136-0x0000000007C80000-0x0000000007D1C000-memory.dmp

Filesize
624KB

Download
memory/1544-132-0x0000000000DA0000-0x0000000000EB6000-memory.dmp

Filesize
1.1MB

Download
memory/1616-138-0x0000000000000000-mapping.dmp

Download
memory/2348-144-0x0000000005E00000-0x0000000005E22000-memory.dmp

Filesize
136KB

Download
memory/2348-148-0x0000000006690000-0x00000000066AE000-memory.dmp

Filesize
120KB

Download
memory/2348-142-0x0000000005770000-0x0000000005D98000-memory.dmp

Filesize
6.2MB

Download
memory/2348-158-0x0000000007CC0000-0x0000000007CC8000-memory.dmp

Filesize
32KB

Download
memory/2348-157-0x0000000007CE0000-0x0000000007CFA000-memory.dmp

Filesize
104KB

Download
memory/2348-137-0x0000000000000000-mapping.dmp

Download
memory/2348-145-0x0000000005FA0000-0x0000000006006000-memory.dmp

Filesize
408KB

Download
memory/2348-146-0x0000000006080000-0x00000000060E6000-memory.dmp

Filesize
408KB

Download
memory/2348-156-0x0000000007BD0000-0x0000000007BDE000-memory.dmp

Filesize
56KB

Download
memory/2348-140-0x00000000050D0000-0x0000000005106000-memory.dmp

Filesize
216KB

Download
memory/2348-149-0x0000000007680000-0x00000000076B2000-memory.dmp

Filesize
200KB

Download
memory/2348-150-0x0000000070FD0000-0x000000007101C000-memory.dmp

Filesize
304KB

Download
memory/2348-151-0x0000000006C30000-0x0000000006C4E000-memory.dmp

Filesize
120KB

Download
memory/2348-152-0x0000000007FF0000-0x000000000866A000-memory.dmp

Filesize
6.5MB

Download
memory/2348-153-0x00000000079A0000-0x00000000079BA000-memory.dmp

Filesize
104KB

Download
memory/2348-154-0x0000000007A10000-0x0000000007A1A000-memory.dmp

Filesize
40KB

Download
memory/2348-155-0x0000000007C20000-0x0000000007CB6000-memory.dmp

Filesize
600KB

Download
memory/3572-147-0x0000000001A00000-0x0000000001D4A000-memory.dmp

Filesize
3.3MB

Download
memory/3572-141-0x0000000000000000-mapping.dmp

Download
memory/3572-143-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads