formbook | 579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9

General

Target

579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe
Size

1.6MB
MD5

9f9ff2c8998e81058d583369b7a496de
SHA1

8fc0b5f4d6100e438fc734eb2082ba237efe0652
SHA256

579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9
SHA512

98235d57d8395d89e9da377a48129aaf97640ea4fdddae65c4b5e1ae330d4b6911272ac953284fa8e752e28e3e0075b0dc153393c587c9a04ac24ac5481697bc
SSDEEP

12288:8WHyGfJqDJLZCpzeCptoDFjmjRPTjRPyjBjjijBjBjBjBjLjVA7nNi6HCZoU9+kw:rqqNeK2DgA7nNxCZLYHkgiPgp

Score

10^/10

formbook 2kf rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

2kf

Decoy

edmondscakes.com

doublewldr.online

tickets2usa.com

heyhxry.com

weightloss-gulfport.com

prosselius.com

newviewroofers.com

jacksonarearealestate.com

catparkas.xyz

pagos2020.com

sonwsefjrahi.online

franchisethings.com

nuocvietngaynay.com

sohelvai.com

mikeyroush.com

lamesaroofing.com

betbigo138.com

amazon-service-recovery.com

clockin.net

riostrader.com

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/1852-141-0x0000000000400000-0x000000000042E000-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:

579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe

description	pid	process	target process
PID 4184 set thread context of 1852	4184	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe

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

System Information Discovery
T1082
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

1124 schtasks.exe

pid	process
1124	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe

pid	process
4184	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe
1852	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe
1852	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe

description pid process

Token: SeDebugPrivilege 4184 579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe

description	pid	process
Token: SeDebugPrivilege	4184	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe

description	pid	process	target process
PID 4184 wrote to memory of 1124	4184	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe	schtasks.exe
PID 4184 wrote to memory of 1124	4184	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe	schtasks.exe
PID 4184 wrote to memory of 1124	4184	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe	schtasks.exe
PID 4184 wrote to memory of 1852	4184	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe
PID 4184 wrote to memory of 1852	4184	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe
PID 4184 wrote to memory of 1852	4184	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe
PID 4184 wrote to memory of 1852	4184	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe
PID 4184 wrote to memory of 1852	4184	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe
PID 4184 wrote to memory of 1852	4184	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe	579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe

C:\Users\Admin\AppData\Local\Temp\579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe
"C:\Users\Admin\AppData\Local\Temp\579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4184
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\puJzcbEe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF1FC.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1124
- C:\Users\Admin\AppData\Local\Temp\579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe
  "C:\Users\Admin\AppData\Local\Temp\579d13f3cd7acab8f6b9711c99fef396a325efad3a11a6cccb261437af1619a9.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1852

Network

MITRE ATT&CK Enterprise 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

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF1FC.tmp

Filesize
1KB

MD5
7140038e1daf76f1a60c1bd0128cc38d

SHA1
8de585edf6cd88386a1dca0729e910e78e9629f2

SHA256
ec8b65900d5cd94d28b5f02374996b2d994f4c0e0cbf97ca8aed2ce030443e6f

SHA512
342c3a3769d2cf7dcf7da29ef3e0533e012176957d74f4f92d62bacc62367cedc5f104f5c7703e8eafbaf678ddf9ea9e7cc6450e1188b70149cea65f72328d72

Download Submit
memory/1124-138-0x0000000000000000-mapping.dmp

Download
memory/1852-140-0x0000000000000000-mapping.dmp

Download
memory/1852-141-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1852-142-0x00000000018B0000-0x0000000001BFA000-memory.dmp

Filesize
3.3MB

Download
memory/4184-132-0x00000000001B0000-0x0000000000358000-memory.dmp

Filesize
1.7MB

Download
memory/4184-133-0x00000000071B0000-0x000000000724C000-memory.dmp

Filesize
624KB

Download
memory/4184-134-0x0000000007800000-0x0000000007DA4000-memory.dmp

Filesize
5.6MB

Download
memory/4184-135-0x00000000072F0000-0x0000000007382000-memory.dmp

Filesize
584KB

Download
memory/4184-136-0x0000000007280000-0x000000000728A000-memory.dmp

Filesize
40KB

Download
memory/4184-137-0x0000000007480000-0x00000000074D6000-memory.dmp

Filesize
344KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads