formbook | 85259a321d6b1d54bae58397546222f0cf4584467240f0cbcdb7445577b66510

General

Target

78a95a8cb18e37d6565520be5e8013c4.exe
Size

286KB
MD5

78a95a8cb18e37d6565520be5e8013c4
SHA1

36557486465d9d133f2ea5aceaec9731f0663f91
SHA256

85259a321d6b1d54bae58397546222f0cf4584467240f0cbcdb7445577b66510
SHA512

7a811797afff6e82082296a10e5f3135340f126d1230bc15983737c0363c082b8bf7651d0732d85f89c5d08e13177fed789851c6402444c4dc794ee68d90be44
SSDEEP

6144:AYa66rPn6SbiaFiPvZNU2tpErTwf4ceMXIECWoqgruCRnMti4oZQ:AYsrPn6Mia4PXU2tpswfx4WvCRwoZQ

Score

10^/10

formbook bn26 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bn26

Decoy

juweipai.com

assurance-mon-espace-sante.com

robqq.com

ablindear.com

socialmonkeys.co.uk

learningworldtech.com

imprese-it.com

themoodcollectives.africa

lutonmethodists.org.uk

castawaycovebnb.com

caronthemove.com

carolinacastro.uk

dcfashionweekintl.com

branchbasicsa.com

drpatrickakinsanya.africa

inventourownfuture.com

applege.top

whatamitiredof.com

daphan.pics

gardenstatevinyl.net

Signatures

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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1100-141-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1100-149-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2800-153-0x0000000000600000-0x000000000062F000-memory.dmp	formbook
behavioral2/memory/2800-155-0x0000000000600000-0x000000000062F000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

Processes:

jswyhdinmg.exejswyhdinmg.exe

pid process

4260 jswyhdinmg.exe
1100 jswyhdinmg.exe

pid	process
4260	jswyhdinmg.exe
1100	jswyhdinmg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

jswyhdinmg.exejswyhdinmg.exeNETSTAT.EXE

description	pid	process	target process
PID 4260 set thread context of 1100	4260	jswyhdinmg.exe	jswyhdinmg.exe
PID 1100 set thread context of 3140	1100	jswyhdinmg.exe	Explorer.EXE
PID 2800 set thread context of 3140	2800	NETSTAT.EXE	Explorer.EXE

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

System Information Discovery
T1082
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

2800 NETSTAT.EXE

pid	process
2800	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

jswyhdinmg.exeNETSTAT.EXE

pid	process
1100	jswyhdinmg.exe
1100	jswyhdinmg.exe
1100	jswyhdinmg.exe
1100	jswyhdinmg.exe
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE
2800	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3140 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

jswyhdinmg.exejswyhdinmg.exeNETSTAT.EXE

pid process

4260 jswyhdinmg.exe
1100 jswyhdinmg.exe
1100 jswyhdinmg.exe
1100 jswyhdinmg.exe
2800 NETSTAT.EXE
2800 NETSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

jswyhdinmg.exeNETSTAT.EXE

description pid process

Token: SeDebugPrivilege 1100 jswyhdinmg.exe
Token: SeDebugPrivilege 2800 NETSTAT.EXE

pid	process
3140	Explorer.EXE

pid	process
4260	jswyhdinmg.exe
1100	jswyhdinmg.exe
1100	jswyhdinmg.exe
1100	jswyhdinmg.exe
2800	NETSTAT.EXE
2800	NETSTAT.EXE

description	pid	process
Token: SeDebugPrivilege	1100	jswyhdinmg.exe
Token: SeDebugPrivilege	2800	NETSTAT.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

78a95a8cb18e37d6565520be5e8013c4.exejswyhdinmg.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 3796 wrote to memory of 4260	3796	78a95a8cb18e37d6565520be5e8013c4.exe	jswyhdinmg.exe
PID 3796 wrote to memory of 4260	3796	78a95a8cb18e37d6565520be5e8013c4.exe	jswyhdinmg.exe
PID 3796 wrote to memory of 4260	3796	78a95a8cb18e37d6565520be5e8013c4.exe	jswyhdinmg.exe
PID 4260 wrote to memory of 1100	4260	jswyhdinmg.exe	jswyhdinmg.exe
PID 4260 wrote to memory of 1100	4260	jswyhdinmg.exe	jswyhdinmg.exe
PID 4260 wrote to memory of 1100	4260	jswyhdinmg.exe	jswyhdinmg.exe
PID 4260 wrote to memory of 1100	4260	jswyhdinmg.exe	jswyhdinmg.exe
PID 3140 wrote to memory of 2800	3140	Explorer.EXE	NETSTAT.EXE
PID 3140 wrote to memory of 2800	3140	Explorer.EXE	NETSTAT.EXE
PID 3140 wrote to memory of 2800	3140	Explorer.EXE	NETSTAT.EXE
PID 2800 wrote to memory of 4628	2800	NETSTAT.EXE	cmd.exe
PID 2800 wrote to memory of 4628	2800	NETSTAT.EXE	cmd.exe
PID 2800 wrote to memory of 4628	2800	NETSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3140
- C:\Users\Admin\AppData\Local\Temp\78a95a8cb18e37d6565520be5e8013c4.exe
  "C:\Users\Admin\AppData\Local\Temp\78a95a8cb18e37d6565520be5e8013c4.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3796
- - C:\Users\Admin\AppData\Local\Temp\jswyhdinmg.exe
    "C:\Users\Admin\AppData\Local\Temp\jswyhdinmg.exe" C:\Users\Admin\AppData\Local\Temp\puvmbvd.ivv
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:4260
  - - C:\Users\Admin\AppData\Local\Temp\jswyhdinmg.exe
      "C:\Users\Admin\AppData\Local\Temp\jswyhdinmg.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:1100
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\jswyhdinmg.exe"
    3⤵
    PID:4628

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
54KB

MD5
7b3f0fa0f8b825f576c98b25aab2507e

SHA1
2b206f89862e0dbecf2bb7c6f4be20b57fd6c26d

SHA256
d7f5cdc9f9b70f73dc8fb1c07e0203d69a4c4b987dc909c926060bbeaaade646

SHA512
06692a89c230ed6c614a037410fe99de381354f302501c9cefa486c31fc9e2f35beb94d56622874ec7de41a36e7c1c4ee5fae097b26bb453254d075bde786cd0

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

Filesize
54KB

MD5
7b3f0fa0f8b825f576c98b25aab2507e

SHA1
2b206f89862e0dbecf2bb7c6f4be20b57fd6c26d

SHA256
d7f5cdc9f9b70f73dc8fb1c07e0203d69a4c4b987dc909c926060bbeaaade646

SHA512
06692a89c230ed6c614a037410fe99de381354f302501c9cefa486c31fc9e2f35beb94d56622874ec7de41a36e7c1c4ee5fae097b26bb453254d075bde786cd0

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

Filesize
54KB

MD5
7b3f0fa0f8b825f576c98b25aab2507e

SHA1
2b206f89862e0dbecf2bb7c6f4be20b57fd6c26d

SHA256
d7f5cdc9f9b70f73dc8fb1c07e0203d69a4c4b987dc909c926060bbeaaade646

SHA512
06692a89c230ed6c614a037410fe99de381354f302501c9cefa486c31fc9e2f35beb94d56622874ec7de41a36e7c1c4ee5fae097b26bb453254d075bde786cd0

Download Submit
C:\Users\Admin\AppData\Local\Temp\potdzpp.y

Filesize
205KB

MD5
57e7a6532f1ee86992e7b4fa6580cb19

SHA1
3d8ea00a0b9d9f167e0433afea928b68de50980f

SHA256
7b96a34af9cd31c98ddc997366b3576174a392071ab344ac8f6a072d53c42547

SHA512
e25a318bc187ff13f50a6bdafd7ced1a141297895600b750aaf52831c38aa229a9fc964fd5eaf8abee7fc803ac8d872d2a88883f07b7a4f4df8de7849c28aa25

Download Submit
C:\Users\Admin\AppData\Local\Temp\puvmbvd.ivv

Filesize
5KB

MD5
2756cf827356d936638f325fc53574a1

SHA1
1d05b474adb777cb85ecd0ad2f06ff9fca1ee2ab

SHA256
efae399d371cd9d2132b7c4143469da0c72f4aa559dadfcd03011e4f06cec9e7

SHA512
fb635c25243ea0bc0d74bce2e203ce7a12a7b5fad3e4603c1fde7dbe16415be12578d804f911d1d07cb80be6ee6230ee6848ab9130f9bfb8e784f05ec05a7ad6

Download Submit
memory/1100-149-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1100-141-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1100-146-0x0000000000AA0000-0x0000000000DEA000-memory.dmp

Filesize
3.3MB

Download
memory/1100-147-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/2800-155-0x0000000000600000-0x000000000062F000-memory.dmp

Filesize
188KB

Download
memory/2800-150-0x0000000000FD0000-0x0000000000FDB000-memory.dmp

Filesize
44KB

Download
memory/2800-152-0x0000000000FD0000-0x0000000000FDB000-memory.dmp

Filesize
44KB

Download
memory/2800-153-0x0000000000600000-0x000000000062F000-memory.dmp

Filesize
188KB

Download
memory/2800-154-0x0000000000FE0000-0x000000000132A000-memory.dmp

Filesize
3.3MB

Download
memory/2800-157-0x0000000000B20000-0x0000000000BB4000-memory.dmp

Filesize
592KB

Download
memory/3140-148-0x0000000008860000-0x0000000008A01000-memory.dmp

Filesize
1.6MB

Download
memory/3140-158-0x0000000007CB0000-0x0000000007D88000-memory.dmp

Filesize
864KB

Download
memory/3140-159-0x0000000007CB0000-0x0000000007D88000-memory.dmp

Filesize
864KB

Download
memory/3140-161-0x0000000007CB0000-0x0000000007D88000-memory.dmp

Filesize
864KB

Download
memory/4260-143-0x00000000009C0000-0x00000000009C2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads