formbook | 8d108254a8f52c795d01e4fa87ac70437873d1073e38c179716e5fa40816b82f

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
19-04-2023 01:09

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General

Target

724ad0f724d2aba12940a1eeeede2980.exe
Size

367KB
MD5

724ad0f724d2aba12940a1eeeede2980
SHA1

7c78985a6a73aabf2dc2dbbe4ef8f39f35f69c00
SHA256

8d108254a8f52c795d01e4fa87ac70437873d1073e38c179716e5fa40816b82f
SHA512

685041a0540ee78483811d31cae0807e8ed5e935557aa0f4d95b4f4a86ec2c68acd0925fe7245f61b0a5e978e29c036fa9d1cf873e56e9d7bcc98c8a5d6d7c6d
SSDEEP

6144:7Ya6E9UJPbOrLRGNr8dPXw+kaBBIHtDhA7XbX5PGwhwtWT732fz0YThqHVTH6HuX:7Yq9UJzOa8w+kImHPm1LT73270FHHM78

Score

10^/10

formbook htqs rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

htqs

Decoy

calvingross.com

al-andalusi.shop

cartvey.com

omdestinationweddings.com

arolo.site

avh.life

lifesaversministrypakistan.com

91gag.com

sucessodenegocio.com

stillrockphotography.com

matrixpro.xyz

ingeborgbleonard.icu

gatorfunding.services

truevoicetea.com

rentz-elektro.com

winetasting.tips

nerdppc.com

weareroamingexpert.com

silvermacpro.com

grandmakadescustomquilts.com

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/2232-142-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2232-147-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1556-154-0x0000000001200000-0x000000000122F000-memory.dmp	formbook
behavioral2/memory/1556-156-0x0000000001200000-0x000000000122F000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
4964	wmweglq.exe
2232	wmweglq.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4964 set thread context of 2232	4964	wmweglq.exe	85
PID 2232 set thread context of 1264	2232	wmweglq.exe	56
PID 1556 set thread context of 1264	1556	cmmon32.exe	56

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 60 IoCs

pid	Process
2232	wmweglq.exe
2232	wmweglq.exe
2232	wmweglq.exe
2232	wmweglq.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe
1556	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1264	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4964	wmweglq.exe
2232	wmweglq.exe
2232	wmweglq.exe
2232	wmweglq.exe
1556	cmmon32.exe
1556	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2232	wmweglq.exe
Token: SeDebugPrivilege	1556	cmmon32.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 4964	4696	724ad0f724d2aba12940a1eeeede2980.exe	84
PID 4696 wrote to memory of 4964	4696	724ad0f724d2aba12940a1eeeede2980.exe	84
PID 4696 wrote to memory of 4964	4696	724ad0f724d2aba12940a1eeeede2980.exe	84
PID 4964 wrote to memory of 2232	4964	wmweglq.exe	85
PID 4964 wrote to memory of 2232	4964	wmweglq.exe	85
PID 4964 wrote to memory of 2232	4964	wmweglq.exe	85
PID 4964 wrote to memory of 2232	4964	wmweglq.exe	85
PID 1264 wrote to memory of 1556	1264	Explorer.EXE	86
PID 1264 wrote to memory of 1556	1264	Explorer.EXE	86
PID 1264 wrote to memory of 1556	1264	Explorer.EXE	86
PID 1556 wrote to memory of 1696	1556	cmmon32.exe	87
PID 1556 wrote to memory of 1696	1556	cmmon32.exe	87
PID 1556 wrote to memory of 1696	1556	cmmon32.exe	87

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Users\Admin\AppData\Local\Temp\724ad0f724d2aba12940a1eeeede2980.exe
  "C:\Users\Admin\AppData\Local\Temp\724ad0f724d2aba12940a1eeeede2980.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4696
- - C:\Users\Admin\AppData\Local\Temp\wmweglq.exe
    "C:\Users\Admin\AppData\Local\Temp\wmweglq.exe" C:\Users\Admin\AppData\Local\Temp\qicbf.ggy
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:4964
  - - C:\Users\Admin\AppData\Local\Temp\wmweglq.exe
      "C:\Users\Admin\AppData\Local\Temp\wmweglq.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2232
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1556
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\wmweglq.exe"
    3⤵
    PID:1696

Network

MITRE ATT&CK Enterprise v6

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\qicbf.ggy

Filesize
5KB

MD5
b63e870c0753ecac6ad3f21fe5c374b3

SHA1
f78e63bc427f11b9abe5178453a9a00f40ae1475

SHA256
b8a07a3ebe99a8bed62b03f28730ecce686e017a72010519a5ad1bf7e62f1d14

SHA512
bb597965eb29cc7d88899cd5c9e01b72ab87d891cf8270c25be90239f927315a2237a7b5edb1f7c3e01240463ea65064a6f9c801c5eee912ddace3ee7ce2f789

Download Submit
C:\Users\Admin\AppData\Local\Temp\usgayiiio.d

Filesize
205KB

MD5
9552ff76e1abf4e6578551cdad6a2672

SHA1
125cfb014dd7b708c9c76b1029d027042aeca6d7

SHA256
878c5ddb34e1c6ad12a5a47677ea2d1764853b3bebb1c4b2c0ba7fdb051be049

SHA512
30f3471c4ccae958654694272d0a802a915f2e7a0b3a31fbf0b040d9e3b7b7b21bf2c3ac2f6ebb7f98fdbd2be0e7fd4cd68730a598a20be7b8624f596714c112

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

Filesize
329KB

MD5
d4f68ffac5d65806641a59c684b16df1

SHA1
c8b78594b2204248c1e87a0ab2c55b7f6c759027

SHA256
30ced78a4082bf00b00fcc45ebddbaf07f711f1a11f23a20f4dcbd0dd010ff10

SHA512
600d1179346c99f39fc7196c18813c3751f032f1c40f9a6820f5a636be3c743f46df3470856ca675b6ed29087eff8511e004b10d87e9bcb869741c6e841fc9f8

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

Filesize
329KB

MD5
d4f68ffac5d65806641a59c684b16df1

SHA1
c8b78594b2204248c1e87a0ab2c55b7f6c759027

SHA256
30ced78a4082bf00b00fcc45ebddbaf07f711f1a11f23a20f4dcbd0dd010ff10

SHA512
600d1179346c99f39fc7196c18813c3751f032f1c40f9a6820f5a636be3c743f46df3470856ca675b6ed29087eff8511e004b10d87e9bcb869741c6e841fc9f8

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

Filesize
329KB

MD5
d4f68ffac5d65806641a59c684b16df1

SHA1
c8b78594b2204248c1e87a0ab2c55b7f6c759027

SHA256
30ced78a4082bf00b00fcc45ebddbaf07f711f1a11f23a20f4dcbd0dd010ff10

SHA512
600d1179346c99f39fc7196c18813c3751f032f1c40f9a6820f5a636be3c743f46df3470856ca675b6ed29087eff8511e004b10d87e9bcb869741c6e841fc9f8

Download Submit
memory/1264-149-0x00000000081C0000-0x000000000834A000-memory.dmp

Filesize
1.5MB

Download
memory/1264-162-0x0000000002890000-0x0000000002965000-memory.dmp

Filesize
852KB

Download
memory/1264-160-0x0000000002890000-0x0000000002965000-memory.dmp

Filesize
852KB

Download
memory/1264-159-0x0000000002890000-0x0000000002965000-memory.dmp

Filesize
852KB

Download
memory/1556-156-0x0000000001200000-0x000000000122F000-memory.dmp

Filesize
188KB

Download
memory/1556-151-0x0000000000270000-0x000000000027C000-memory.dmp

Filesize
48KB

Download
memory/1556-153-0x0000000000270000-0x000000000027C000-memory.dmp

Filesize
48KB

Download
memory/1556-154-0x0000000001200000-0x000000000122F000-memory.dmp

Filesize
188KB

Download
memory/1556-155-0x00000000032C0000-0x000000000360A000-memory.dmp

Filesize
3.3MB

Download
memory/1556-158-0x0000000002FF0000-0x0000000003083000-memory.dmp

Filesize
588KB

Download
memory/2232-148-0x00000000008E0000-0x00000000008F4000-memory.dmp

Filesize
80KB

Download
memory/2232-147-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2232-146-0x00000000009B0000-0x0000000000CFA000-memory.dmp

Filesize
3.3MB

Download
memory/2232-142-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4964-140-0x0000000000A20000-0x0000000000A22000-memory.dmp

Filesize
8KB

Download