formbook | 502f5ca3567e3c23c443376a14c0e4e86ec453e37696f12d723aab77e332a46e

General

Target

d2b6ec246c1627c4eff844ec15de05b2.exe
Size

6KB
MD5

d2b6ec246c1627c4eff844ec15de05b2
SHA1

252ed9f325c178cc4e054fbbad59b68e27728439
SHA256

502f5ca3567e3c23c443376a14c0e4e86ec453e37696f12d723aab77e332a46e
SHA512

e6c07de510ffc22447fd76b77c41631a6d060c3b2d4971ef8cd92260c9f69842b8e621bb7c28a29ebf3960bf61e26c6b3107b97eebcdb738b1bdb853c913d2ac
SSDEEP

48:6N/UH4k/Hlw2u9h3rlJ4ff1DIMQrYhJp6LOQDhRW4xyiXiiVcqBHfOulVt+hXuFW:Qkq5h334fd44JshRW4hieckRNkuzNt

Score

10^/10

formbook do25 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

do25

Decoy

nickifarina.site

nfptrwge.bar

nobreemporio.com

split-acres.com

sharingservice-act.com

nakedinktees.shop

zhensheng1988.com

ipiton.com

liftoffdigitalmarketing.com

karen.cool

theprotestantchurch.com

shirhadarr.com

azdtwp.com

comzestdent.com

jnsjh.com

in-heat-cool.com

dfefej.top

tumingchun.com

eisei-shouji.tokyo

sparecreeping.com

Signatures

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

Formbook payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1728-66-0x000000000041F160-mapping.dmp	formbook
behavioral1/memory/1728-65-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

d2b6ec246c1627c4eff844ec15de05b2.exe

description pid process target process

PID 1976 set thread context of 1728 1976 d2b6ec246c1627c4eff844ec15de05b2.exe d2b6ec246c1627c4eff844ec15de05b2.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exed2b6ec246c1627c4eff844ec15de05b2.exed2b6ec246c1627c4eff844ec15de05b2.exe

pid process

1912 powershell.exe
1976 d2b6ec246c1627c4eff844ec15de05b2.exe
1976 d2b6ec246c1627c4eff844ec15de05b2.exe
1728 d2b6ec246c1627c4eff844ec15de05b2.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

d2b6ec246c1627c4eff844ec15de05b2.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1976 d2b6ec246c1627c4eff844ec15de05b2.exe
Token: SeDebugPrivilege 1912 powershell.exe

description	pid	process	target process
PID 1976 set thread context of 1728	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	d2b6ec246c1627c4eff844ec15de05b2.exe

pid	process
1912	powershell.exe
1976	d2b6ec246c1627c4eff844ec15de05b2.exe
1976	d2b6ec246c1627c4eff844ec15de05b2.exe
1728	d2b6ec246c1627c4eff844ec15de05b2.exe

description	pid	process
Token: SeDebugPrivilege	1976	d2b6ec246c1627c4eff844ec15de05b2.exe
Token: SeDebugPrivilege	1912	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

d2b6ec246c1627c4eff844ec15de05b2.exe

C:\Users\Admin\AppData\Local\Temp\d2b6ec246c1627c4eff844ec15de05b2.exe
"C:\Users\Admin\AppData\Local\Temp\d2b6ec246c1627c4eff844ec15de05b2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1912
- C:\Users\Admin\AppData\Local\Temp\d2b6ec246c1627c4eff844ec15de05b2.exe
  C:\Users\Admin\AppData\Local\Temp\d2b6ec246c1627c4eff844ec15de05b2.exe
  2⤵
  PID:520
- C:\Users\Admin\AppData\Local\Temp\d2b6ec246c1627c4eff844ec15de05b2.exe
  C:\Users\Admin\AppData\Local\Temp\d2b6ec246c1627c4eff844ec15de05b2.exe
  2⤵
  PID:1720
- C:\Users\Admin\AppData\Local\Temp\d2b6ec246c1627c4eff844ec15de05b2.exe
  C:\Users\Admin\AppData\Local\Temp\d2b6ec246c1627c4eff844ec15de05b2.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1728

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1728-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1728-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1728-66-0x000000000041F160-mapping.dmp

Download
memory/1728-65-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1728-67-0x0000000000850000-0x0000000000B53000-memory.dmp

Filesize
3.0MB

Download
memory/1912-57-0x0000000000000000-mapping.dmp

Download
memory/1912-59-0x000000006E040000-0x000000006E5EB000-memory.dmp

Filesize
5.7MB

Download
memory/1912-60-0x000000006E040000-0x000000006E5EB000-memory.dmp

Filesize
5.7MB

Download
memory/1912-61-0x000000006E040000-0x000000006E5EB000-memory.dmp

Filesize
5.7MB

Download
memory/1976-54-0x0000000000360000-0x0000000000368000-memory.dmp

Filesize
32KB

Download
memory/1976-55-0x00000000754E1000-0x00000000754E3000-memory.dmp

Filesize
8KB

Download
memory/1976-56-0x0000000005C00000-0x0000000005E2C000-memory.dmp

Filesize
2.2MB

Download

description	pid	process	target process
PID 1976 wrote to memory of 1912	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	powershell.exe
PID 1976 wrote to memory of 1912	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	powershell.exe
PID 1976 wrote to memory of 1912	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	powershell.exe
PID 1976 wrote to memory of 1912	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	powershell.exe
PID 1976 wrote to memory of 520	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	d2b6ec246c1627c4eff844ec15de05b2.exe
PID 1976 wrote to memory of 520	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	d2b6ec246c1627c4eff844ec15de05b2.exe
PID 1976 wrote to memory of 520	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	d2b6ec246c1627c4eff844ec15de05b2.exe
PID 1976 wrote to memory of 520	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	d2b6ec246c1627c4eff844ec15de05b2.exe
PID 1976 wrote to memory of 1720	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	d2b6ec246c1627c4eff844ec15de05b2.exe
PID 1976 wrote to memory of 1720	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	d2b6ec246c1627c4eff844ec15de05b2.exe
PID 1976 wrote to memory of 1720	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	d2b6ec246c1627c4eff844ec15de05b2.exe
PID 1976 wrote to memory of 1720	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	d2b6ec246c1627c4eff844ec15de05b2.exe
PID 1976 wrote to memory of 1728	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	d2b6ec246c1627c4eff844ec15de05b2.exe
PID 1976 wrote to memory of 1728	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	d2b6ec246c1627c4eff844ec15de05b2.exe
PID 1976 wrote to memory of 1728	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	d2b6ec246c1627c4eff844ec15de05b2.exe
PID 1976 wrote to memory of 1728	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	d2b6ec246c1627c4eff844ec15de05b2.exe
PID 1976 wrote to memory of 1728	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	d2b6ec246c1627c4eff844ec15de05b2.exe
PID 1976 wrote to memory of 1728	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	d2b6ec246c1627c4eff844ec15de05b2.exe
PID 1976 wrote to memory of 1728	1976	d2b6ec246c1627c4eff844ec15de05b2.exe	d2b6ec246c1627c4eff844ec15de05b2.exe

Analysis

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