formbook | c7f39ffbd4188672e93a467304577000e255f966d2091f4806670af666c115d1

Analysis

max time kernel
148s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 17:13

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General

Target

10-2.exe
Size

404KB
MD5

54cce75f58836bcdaf4dd29dbe7312ee
SHA1

cdbb64c652e2033fc3f17297fcfb3af0689503cf
SHA256

2d8af025841b523076a35926b94baa786ffbcb5dcf873796ca30bc41f892a867
SHA512

5162f24bdefc7cb915caf51c930672cb3d2a67725c81a1b0e62c51895aabdc8ea53d01a512fdeeaaba7d20281a7a2bbfa14ee3e2379c06687417340adc816e34
SSDEEP

12288:ggD4fqRBdy4r3XyMb6U0tppCGfksVGB6dbQW+M2WUKn:gAfdNXPmKvjYdbd+M

Score

10^/10

formbook dmr rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dmr

Decoy

thietkewebngay.com

fdgre.com

silverbuzzer.com

d55105.com

ccc693.com

diptya.net

oleasalon.com

vjvtjkic.biz

edmsociety.com

siyahmaske.win

lmnp-occasion.com

platocosmos.com

fakua.top

albertabarricade.com

kakaninrecipes.com

bestsmokeapp.com

hotelsitaly.online

brewtopiaapp.com

1q1twoother.men

wwwmaharashtratimes.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/480-208-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral1/memory/480-212-0x0000000000400000-0x000000000042D000-memory.dmp	formbook

Executes dropped EXE 1 IoCs

Processes:

AddInProcess32.exe

pid process

480 AddInProcess32.exe
Loads dropped DLL 2 IoCs

Processes:

10-2.exe

pid process

340 10-2.exe
340 10-2.exe

pid	process
480	AddInProcess32.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

10-2.exeAddInProcess32.exehelp.exe

description	pid	process	target process
PID 340 set thread context of 480	340	10-2.exe	AddInProcess32.exe
PID 480 set thread context of 1180	480	AddInProcess32.exe	Explorer.EXE
PID 1884 set thread context of 1180	1884	help.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

10-2.exeAddInProcess32.exehelp.exe

pid	process
340	10-2.exe
480	AddInProcess32.exe
480	AddInProcess32.exe
1884	help.exe
1884	help.exe
1884	help.exe
1884	help.exe
1884	help.exe
1884	help.exe
1884	help.exe
1884	help.exe
1884	help.exe
1884	help.exe
1884	help.exe
1884	help.exe
1884	help.exe
1884	help.exe
1884	help.exe
1884	help.exe
1884	help.exe
1884	help.exe
1884	help.exe
1884	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

AddInProcess32.exehelp.exe

pid process

480 AddInProcess32.exe
480 AddInProcess32.exe
480 AddInProcess32.exe
1884 help.exe
1884 help.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

10-2.exeAddInProcess32.exehelp.exe

description pid process

Token: SeDebugPrivilege 340 10-2.exe
Token: SeDebugPrivilege 480 AddInProcess32.exe
Token: SeDebugPrivilege 1884 help.exe

pid	process
480	AddInProcess32.exe
480	AddInProcess32.exe
480	AddInProcess32.exe
1884	help.exe
1884	help.exe

description	pid	process
Token: SeDebugPrivilege	340	10-2.exe
Token: SeDebugPrivilege	480	AddInProcess32.exe
Token: SeDebugPrivilege	1884	help.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

10-2.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 340 wrote to memory of 480	340	10-2.exe	AddInProcess32.exe
PID 340 wrote to memory of 480	340	10-2.exe	AddInProcess32.exe
PID 340 wrote to memory of 480	340	10-2.exe	AddInProcess32.exe
PID 340 wrote to memory of 480	340	10-2.exe	AddInProcess32.exe
PID 340 wrote to memory of 480	340	10-2.exe	AddInProcess32.exe
PID 340 wrote to memory of 480	340	10-2.exe	AddInProcess32.exe
PID 340 wrote to memory of 480	340	10-2.exe	AddInProcess32.exe
PID 1180 wrote to memory of 1884	1180	Explorer.EXE	help.exe
PID 1180 wrote to memory of 1884	1180	Explorer.EXE	help.exe
PID 1180 wrote to memory of 1884	1180	Explorer.EXE	help.exe
PID 1180 wrote to memory of 1884	1180	Explorer.EXE	help.exe
PID 1884 wrote to memory of 3032	1884	help.exe	cmd.exe
PID 1884 wrote to memory of 3032	1884	help.exe	cmd.exe
PID 1884 wrote to memory of 3032	1884	help.exe	cmd.exe
PID 1884 wrote to memory of 3032	1884	help.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Users\Admin\AppData\Local\Temp\10-2.exe
  "C:\Users\Admin\AppData\Local\Temp\10-2.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:340
- - C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
    "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:480
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1732
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1884
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
    3⤵
    PID:3032

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\19f93e2a-4d97-4e0c-ade5-972e41ee6cf8\f.dll

Filesize
94KB

MD5
14ff402962ad21b78ae0b4c43cd1f194

SHA1
f8a510eb26666e875a5bdd1cadad40602763ad72

SHA256
fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

SHA512
daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

Download Submit
\Users\Admin\AppData\Local\Temp\AddInProcess32.exe

Filesize
41KB

MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
memory/340-44-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-26-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-2-0x0000000000850000-0x000000000087C000-memory.dmp

Filesize
176KB

Download
memory/340-3-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/340-10-0x0000000074CF0000-0x0000000074D70000-memory.dmp

Filesize
512KB

Download
memory/340-16-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-36-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-38-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-50-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-60-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-72-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-34-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-68-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-66-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-64-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-62-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-58-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-56-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-54-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-52-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-40-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-46-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-0-0x0000000074E7E000-0x0000000074E7F000-memory.dmp

Filesize
4KB

Download
memory/340-42-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-48-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-1-0x0000000001000000-0x000000000106C000-memory.dmp

Filesize
432KB

Download
memory/340-70-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-32-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-30-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-28-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-24-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-22-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-20-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-18-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-14-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-12-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-11-0x0000000000850000-0x0000000000875000-memory.dmp

Filesize
148KB

Download
memory/340-191-0x0000000074E7E000-0x0000000074E7F000-memory.dmp

Filesize
4KB

Download
memory/340-192-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/340-194-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/340-195-0x00000000008A0000-0x00000000008AC000-memory.dmp

Filesize
48KB

Download
memory/340-207-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/480-208-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/480-209-0x0000000000CB0000-0x0000000000FB3000-memory.dmp

Filesize
3.0MB

Download
memory/480-213-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/480-212-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1180-214-0x0000000004D60000-0x0000000004E76000-memory.dmp

Filesize
1.1MB

Download
memory/1180-221-0x0000000004D60000-0x0000000004E76000-memory.dmp

Filesize
1.1MB

Download
memory/1884-217-0x0000000000AE0000-0x0000000000AE6000-memory.dmp

Filesize
24KB

Download