formbook | 19ed64f1815cac8c156ba7dc1a25e67860c3d8f73ef0989d864ffad98ea2dfdd

General

Target

Transaction .exe
Size

299KB
MD5

5760c3d839f1444175bdd379c2cf7495
SHA1

d365bc5d708a69d0992e16209ebe0533b41ff4c2
SHA256

7da9294ba554d4c17ed9e4caac9836e303980814c7898b422ccde7a246ac26a5
SHA512

24305a47196ab911e1b026b6da28007366c2b7d1156df7ff40f5f49fd5ea2d1297caa217f6e3167756e10ba4080b9150ea2b441cc5ab067746914f1284e541d3
SSDEEP

6144:pXFKo5l67pu6bVkzrhYSAASLMWvgWF7DaHvOocNuZ:pXRS86b2z4OCGPiM

Score

10^/10

formbook sn26 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sn26

Decoy

resenha10.bet

gulshan-rajput.com

xbus.tech

z813my.cfd

wlxzjlny.cfd

auntengotiempo.com

canada-reservation.com

thegiftcompany.shop

esthersilveirapropiedades.com

1wapws.top

ymjblnvo.cfd

termokimik.net

kushiro-artist-school.com

bmmboo.com

caceresconstructionservices.com

kentuckywalkabout.com

bringyourcart.com

miamiwinetour.com

bobcatsocial.site

thirdmind.network

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2008-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2008-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
2264	rqaij.exe
2008	rqaij.exe

Loads dropped DLL 2 IoCs

pid	Process
2124	Transaction .exe
2264	rqaij.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2264 set thread context of 2008	2264	rqaij.exe	29
PID 2008 set thread context of 1288	2008	rqaij.exe	19

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
2632	2388	WerFault.exe	30

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2008	rqaij.exe
2008	rqaij.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1288	Explorer.EXE

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
2264	rqaij.exe
2008	rqaij.exe
2008	rqaij.exe
2008	rqaij.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2008	rqaij.exe
Token: SeShutdownPrivilege	1288	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2264	2124	Transaction .exe	28
PID 2124 wrote to memory of 2264	2124	Transaction .exe	28
PID 2124 wrote to memory of 2264	2124	Transaction .exe	28
PID 2124 wrote to memory of 2264	2124	Transaction .exe	28
PID 2264 wrote to memory of 2008	2264	rqaij.exe	29
PID 2264 wrote to memory of 2008	2264	rqaij.exe	29
PID 2264 wrote to memory of 2008	2264	rqaij.exe	29
PID 2264 wrote to memory of 2008	2264	rqaij.exe	29
PID 2264 wrote to memory of 2008	2264	rqaij.exe	29
PID 1288 wrote to memory of 2388	1288	Explorer.EXE	30
PID 1288 wrote to memory of 2388	1288	Explorer.EXE	30
PID 1288 wrote to memory of 2388	1288	Explorer.EXE	30
PID 1288 wrote to memory of 2388	1288	Explorer.EXE	30
PID 1288 wrote to memory of 2388	1288	Explorer.EXE	30
PID 1288 wrote to memory of 2388	1288	Explorer.EXE	30
PID 1288 wrote to memory of 2388	1288	Explorer.EXE	30
PID 2388 wrote to memory of 2632	2388	msiexec.exe	31
PID 2388 wrote to memory of 2632	2388	msiexec.exe	31
PID 2388 wrote to memory of 2632	2388	msiexec.exe	31
PID 2388 wrote to memory of 2632	2388	msiexec.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1288
- C:\Users\Admin\AppData\Local\Temp\Transaction .exe
  "C:\Users\Admin\AppData\Local\Temp\Transaction .exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Users\Admin\AppData\Local\Temp\rqaij.exe
    "C:\Users\Admin\AppData\Local\Temp\rqaij.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2264
  - - C:\Users\Admin\AppData\Local\Temp\rqaij.exe
      "C:\Users\Admin\AppData\Local\Temp\rqaij.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2008
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2388
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 272
    3⤵
    - Program crash
    PID:2632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

C:\Users\Admin\AppData\Local\Temp\qnbqnoovem.y

Filesize
205KB

MD5
51736af1d953a0cae38ef33385f45372

SHA1
1679cefb8e4a57f4dd08fb6e2360b9e1eb4ba712

SHA256
14c3b5a6e99f4cf87686d7ab8770350c1794c47e6fa1eeb362ce53e9bd25773a

SHA512
4c5e358d21e2e90c76f7242dd2414f5e2303173c1c4e463f0931d6a25e7bda84737f753490db10809ff6e26ffd1c1eb03d237929b8cff83faa1f84b81c103939

Download Submit
C:\Users\Admin\AppData\Local\Temp\rqaij.exe

Filesize
167KB

MD5
9fad3cd00c8dee4bb877f0f1fbb8dc84

SHA1
3f35f0e293d43d23223d2bce976fb37df71cf83c

SHA256
70c0ef97db97e10004d5b57cb0a26f02aad81cf0bbef8e06f8557acabca625ea

SHA512
4b6eaa9d381be4f5b4ce21935b9e1256e6c166e42c80eb57b49632820b19a4bd1e6b28bd28eb7498ca186f26549694be36761764f7897a7f8a231344bf732ec2

Download Submit
C:\Users\Admin\AppData\Local\Temp\rqaij.exe

Filesize
167KB

MD5
9fad3cd00c8dee4bb877f0f1fbb8dc84

SHA1
3f35f0e293d43d23223d2bce976fb37df71cf83c

SHA256
70c0ef97db97e10004d5b57cb0a26f02aad81cf0bbef8e06f8557acabca625ea

SHA512
4b6eaa9d381be4f5b4ce21935b9e1256e6c166e42c80eb57b49632820b19a4bd1e6b28bd28eb7498ca186f26549694be36761764f7897a7f8a231344bf732ec2

Download Submit
C:\Users\Admin\AppData\Local\Temp\rqaij.exe

Filesize
167KB

MD5
9fad3cd00c8dee4bb877f0f1fbb8dc84

SHA1
3f35f0e293d43d23223d2bce976fb37df71cf83c

SHA256
70c0ef97db97e10004d5b57cb0a26f02aad81cf0bbef8e06f8557acabca625ea

SHA512
4b6eaa9d381be4f5b4ce21935b9e1256e6c166e42c80eb57b49632820b19a4bd1e6b28bd28eb7498ca186f26549694be36761764f7897a7f8a231344bf732ec2

Download Submit
\Users\Admin\AppData\Local\Temp\rqaij.exe

Filesize
167KB

MD5
9fad3cd00c8dee4bb877f0f1fbb8dc84

SHA1
3f35f0e293d43d23223d2bce976fb37df71cf83c

SHA256
70c0ef97db97e10004d5b57cb0a26f02aad81cf0bbef8e06f8557acabca625ea

SHA512
4b6eaa9d381be4f5b4ce21935b9e1256e6c166e42c80eb57b49632820b19a4bd1e6b28bd28eb7498ca186f26549694be36761764f7897a7f8a231344bf732ec2

Download Submit
\Users\Admin\AppData\Local\Temp\rqaij.exe

Filesize
167KB

MD5
9fad3cd00c8dee4bb877f0f1fbb8dc84

SHA1
3f35f0e293d43d23223d2bce976fb37df71cf83c

SHA256
70c0ef97db97e10004d5b57cb0a26f02aad81cf0bbef8e06f8557acabca625ea

SHA512
4b6eaa9d381be4f5b4ce21935b9e1256e6c166e42c80eb57b49632820b19a4bd1e6b28bd28eb7498ca186f26549694be36761764f7897a7f8a231344bf732ec2

Download Submit
memory/1288-17-0x0000000006B60000-0x0000000006C8F000-memory.dmp

Filesize
1.2MB

Download
memory/1288-16-0x0000000002EB0000-0x0000000002FB0000-memory.dmp

Filesize
1024KB

Download
memory/1288-23-0x0000000006B60000-0x0000000006C8F000-memory.dmp

Filesize
1.2MB

Download
memory/2008-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2008-12-0x0000000000820000-0x0000000000B23000-memory.dmp

Filesize
3.0MB

Download
memory/2008-15-0x0000000000120000-0x0000000000135000-memory.dmp

Filesize
84KB

Download
memory/2008-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2264-6-0x0000000000150000-0x0000000000152000-memory.dmp

Filesize
8KB

Download
memory/2388-18-0x0000000000470000-0x0000000000484000-memory.dmp

Filesize
80KB

Download
memory/2388-19-0x0000000000470000-0x0000000000484000-memory.dmp

Filesize
80KB

Download
memory/2388-21-0x0000000000470000-0x0000000000484000-memory.dmp

Filesize
80KB

Download

Analysis

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