formbook | 8b57c28d168dbb2d1f1a7520c4331c657ba9970be6eba72a552b58ad3519e0e8

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12-10-2023 13:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

847c4cd760ad16321f9ec78b672e81da.exe
Size

330KB
MD5

847c4cd760ad16321f9ec78b672e81da
SHA1

b0e07be4c8c4eb5996cf640a170485ef5268b027
SHA256

8b57c28d168dbb2d1f1a7520c4331c657ba9970be6eba72a552b58ad3519e0e8
SHA512

835bf6c1e490756fc6802271d2bab047b0b322b65b7fd5a5260acb728fc54771f9298fde205304ea13ecadcf561c15d1af116085d8d80160bb323b9653384644
SSDEEP

6144:vYa63g64a5n8qTnqjbZVTPeB2iAdZS+CiBttk7HtH/oLx4iBUhez:vY5g64a5ntnqHX22KiB0fG4mP

Score

10^/10

formbook sy22 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sy22

Decoy

vinteligencia.com

displayfridges.fun

completetip.com

giallozafferrano.com

jizihao1.com

mysticheightstrail.com

fourseasonslb.com

kjnala.shop

mosiacwall.com

vandistreet.com

gracefullytouchedartistry.com

hbiwhwr.shop

mfmz.net

hrmbrillianz.com

funwarsztat.com

polewithcandy.com

ourrajasthan.com

wilhouettteamerica.com

johnnystintshop.com

asgnelwin.com

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/2216-10-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
1892	jkaeg.exe
2216	jkaeg.exe

Loads dropped DLL 5 IoCs

pid	Process
2220	847c4cd760ad16321f9ec78b672e81da.exe
1892	jkaeg.exe
2024	WerFault.exe
2024	WerFault.exe
2024	WerFault.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1892 set thread context of 2216	1892	jkaeg.exe	29

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
2024	2216	WerFault.exe	29

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1892	jkaeg.exe
1892	jkaeg.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 1892	2220	847c4cd760ad16321f9ec78b672e81da.exe	28
PID 2220 wrote to memory of 1892	2220	847c4cd760ad16321f9ec78b672e81da.exe	28
PID 2220 wrote to memory of 1892	2220	847c4cd760ad16321f9ec78b672e81da.exe	28
PID 2220 wrote to memory of 1892	2220	847c4cd760ad16321f9ec78b672e81da.exe	28
PID 1892 wrote to memory of 2216	1892	jkaeg.exe	29
PID 1892 wrote to memory of 2216	1892	jkaeg.exe	29
PID 1892 wrote to memory of 2216	1892	jkaeg.exe	29
PID 1892 wrote to memory of 2216	1892	jkaeg.exe	29
PID 1892 wrote to memory of 2216	1892	jkaeg.exe	29
PID 2216 wrote to memory of 2024	2216	jkaeg.exe	30
PID 2216 wrote to memory of 2024	2216	jkaeg.exe	30
PID 2216 wrote to memory of 2024	2216	jkaeg.exe	30
PID 2216 wrote to memory of 2024	2216	jkaeg.exe	30

C:\Users\Admin\AppData\Local\Temp\847c4cd760ad16321f9ec78b672e81da.exe
"C:\Users\Admin\AppData\Local\Temp\847c4cd760ad16321f9ec78b672e81da.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Users\Admin\AppData\Local\Temp\jkaeg.exe
  "C:\Users\Admin\AppData\Local\Temp\jkaeg.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1892
- - C:\Users\Admin\AppData\Local\Temp\jkaeg.exe
    "C:\Users\Admin\AppData\Local\Temp\jkaeg.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2216
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 36
      4⤵
      Loads dropped DLL
      Program crash
      PID:2024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\jkaeg.exe

Filesize
200KB

MD5
06ddb8dafba1b7be97e46a02c1d53dd5

SHA1
53b6374d3785a69eb168d580b5a0cbf1d89464c7

SHA256
725ca897476b8c158b5401da8a1bbb9cb65919dfe288b156189e8917cb9845c5

SHA512
f78ade82990fd7d856fe65a319d7658ec8f128065428328a0ca61ec12a4305ddf96093dbf0d33edb7aced47db98febf808288f7a67e1b26430dcbacc304880de

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

Filesize
200KB

MD5
06ddb8dafba1b7be97e46a02c1d53dd5

SHA1
53b6374d3785a69eb168d580b5a0cbf1d89464c7

SHA256
725ca897476b8c158b5401da8a1bbb9cb65919dfe288b156189e8917cb9845c5

SHA512
f78ade82990fd7d856fe65a319d7658ec8f128065428328a0ca61ec12a4305ddf96093dbf0d33edb7aced47db98febf808288f7a67e1b26430dcbacc304880de

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

Filesize
200KB

MD5
06ddb8dafba1b7be97e46a02c1d53dd5

SHA1
53b6374d3785a69eb168d580b5a0cbf1d89464c7

SHA256
725ca897476b8c158b5401da8a1bbb9cb65919dfe288b156189e8917cb9845c5

SHA512
f78ade82990fd7d856fe65a319d7658ec8f128065428328a0ca61ec12a4305ddf96093dbf0d33edb7aced47db98febf808288f7a67e1b26430dcbacc304880de

Download Submit
C:\Users\Admin\AppData\Local\Temp\qowtukldrzg.tb

Filesize
205KB

MD5
aa42059717645951bdeba3fa472e5240

SHA1
c838b76f3b424ebac57d0616067bbfc44ff6c23b

SHA256
4b155e27b98898a933495c48697d0f800e9c7e4be888a3e6f4bd42efd652f917

SHA512
621fe855fd6327249b65bedf1627b23e459d47c3bc5881c89717ac1015dcb064bf3f218110efd0d94dd4d0d584b52e407722c79192c5cddca7bb6ac6c4a95b75

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

Filesize
200KB

MD5
06ddb8dafba1b7be97e46a02c1d53dd5

SHA1
53b6374d3785a69eb168d580b5a0cbf1d89464c7

SHA256
725ca897476b8c158b5401da8a1bbb9cb65919dfe288b156189e8917cb9845c5

SHA512
f78ade82990fd7d856fe65a319d7658ec8f128065428328a0ca61ec12a4305ddf96093dbf0d33edb7aced47db98febf808288f7a67e1b26430dcbacc304880de

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

Filesize
200KB

MD5
06ddb8dafba1b7be97e46a02c1d53dd5

SHA1
53b6374d3785a69eb168d580b5a0cbf1d89464c7

SHA256
725ca897476b8c158b5401da8a1bbb9cb65919dfe288b156189e8917cb9845c5

SHA512
f78ade82990fd7d856fe65a319d7658ec8f128065428328a0ca61ec12a4305ddf96093dbf0d33edb7aced47db98febf808288f7a67e1b26430dcbacc304880de

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

Filesize
200KB

MD5
06ddb8dafba1b7be97e46a02c1d53dd5

SHA1
53b6374d3785a69eb168d580b5a0cbf1d89464c7

SHA256
725ca897476b8c158b5401da8a1bbb9cb65919dfe288b156189e8917cb9845c5

SHA512
f78ade82990fd7d856fe65a319d7658ec8f128065428328a0ca61ec12a4305ddf96093dbf0d33edb7aced47db98febf808288f7a67e1b26430dcbacc304880de

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

Filesize
200KB

MD5
06ddb8dafba1b7be97e46a02c1d53dd5

SHA1
53b6374d3785a69eb168d580b5a0cbf1d89464c7

SHA256
725ca897476b8c158b5401da8a1bbb9cb65919dfe288b156189e8917cb9845c5

SHA512
f78ade82990fd7d856fe65a319d7658ec8f128065428328a0ca61ec12a4305ddf96093dbf0d33edb7aced47db98febf808288f7a67e1b26430dcbacc304880de

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

Filesize
200KB

MD5
06ddb8dafba1b7be97e46a02c1d53dd5

SHA1
53b6374d3785a69eb168d580b5a0cbf1d89464c7

SHA256
725ca897476b8c158b5401da8a1bbb9cb65919dfe288b156189e8917cb9845c5

SHA512
f78ade82990fd7d856fe65a319d7658ec8f128065428328a0ca61ec12a4305ddf96093dbf0d33edb7aced47db98febf808288f7a67e1b26430dcbacc304880de

Download Submit
memory/1892-6-0x0000000000140000-0x0000000000142000-memory.dmp

Filesize
8KB

Download
memory/2216-10-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download