formbook | ccac04114dca63da18b7f5bbb4b243630c0c0336a1c222dd9b46087dae66dfdf

General

Target

shimo6657748893.exe
Size

268KB
MD5

073d69b074ae7324ff0b8e49f3d1e5a6
SHA1

f032a64fea6e799b7654ed04a97ab59ef1ef09bd
SHA256

ccac04114dca63da18b7f5bbb4b243630c0c0336a1c222dd9b46087dae66dfdf
SHA512

3ae5e711490bd56ab988f2a9c5832d2c4b4f5bc66d75384a268b1323fb898356d04b13e5a95228194bdc16b833e6e56c2abf554cfc72d703700d0caf90029a70
SSDEEP

6144:zjgwH2tOwzHk+729OhFYMpvxYMO3OKuRBC10MoBu73m:owIOwzHZDheuv+Nx/1OZ

Score

10^/10

formbook s1k3 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

s1k3

Decoy

magnumairways.com

solesmeasure.com

cryptogoldnugget.com

drescarrentalandtours.com

home0717.com

glolook.com

scriveriuspublishing.com

mysterybox.ltd

outdoorstoic.com

getmyhomeprice2day.com

khalilstylinghair.com

nedataflex.com

li-nao.com

huanansanxiao.com

nvadb.com

histreetadvisory.com

gohomerajapaksas.com

ditocco.net

717913.com

extra-hospitalier.com

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/1644-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1644-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/568-22-0x0000000000100000-0x000000000012F000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
2120	mqfvdjq.exe
1644	mqfvdjq.exe

Loads dropped DLL 2 IoCs

pid	Process
1392	shimo6657748893.exe
2120	mqfvdjq.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2120 set thread context of 1644	2120	mqfvdjq.exe	32
PID 1644 set thread context of 1208	1644	mqfvdjq.exe	21
PID 568 set thread context of 1208	568	wlanext.exe	21

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shimo6657748893.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mqfvdjq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1644	mqfvdjq.exe
1644	mqfvdjq.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe
568	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1644	mqfvdjq.exe
1644	mqfvdjq.exe
1644	mqfvdjq.exe
568	wlanext.exe
568	wlanext.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1644	mqfvdjq.exe
Token: SeDebugPrivilege	568	wlanext.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 2120	1392	shimo6657748893.exe	30
PID 1392 wrote to memory of 2120	1392	shimo6657748893.exe	30
PID 1392 wrote to memory of 2120	1392	shimo6657748893.exe	30
PID 1392 wrote to memory of 2120	1392	shimo6657748893.exe	30
PID 2120 wrote to memory of 1644	2120	mqfvdjq.exe	32
PID 2120 wrote to memory of 1644	2120	mqfvdjq.exe	32
PID 2120 wrote to memory of 1644	2120	mqfvdjq.exe	32
PID 2120 wrote to memory of 1644	2120	mqfvdjq.exe	32
PID 2120 wrote to memory of 1644	2120	mqfvdjq.exe	32
PID 2120 wrote to memory of 1644	2120	mqfvdjq.exe	32
PID 2120 wrote to memory of 1644	2120	mqfvdjq.exe	32
PID 1208 wrote to memory of 568	1208	Explorer.EXE	33
PID 1208 wrote to memory of 568	1208	Explorer.EXE	33
PID 1208 wrote to memory of 568	1208	Explorer.EXE	33
PID 1208 wrote to memory of 568	1208	Explorer.EXE	33
PID 568 wrote to memory of 2844	568	wlanext.exe	34
PID 568 wrote to memory of 2844	568	wlanext.exe	34
PID 568 wrote to memory of 2844	568	wlanext.exe	34
PID 568 wrote to memory of 2844	568	wlanext.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\shimo6657748893.exe
  "C:\Users\Admin\AppData\Local\Temp\shimo6657748893.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1392
- - C:\Users\Admin\AppData\Local\Temp\mqfvdjq.exe
    C:\Users\Admin\AppData\Local\Temp\mqfvdjq.exe C:\Users\Admin\AppData\Local\Temp\pmwvpod
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2120
  - - C:\Users\Admin\AppData\Local\Temp\mqfvdjq.exe
      C:\Users\Admin\AppData\Local\Temp\mqfvdjq.exe C:\Users\Admin\AppData\Local\Temp\pmwvpod
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:1644
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:568
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\mqfvdjq.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2844

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\j3trile8cqz

Filesize
211KB

MD5
b13978619692a8b6ec9319fe74f9d7ef

SHA1
8669ab4beb06ffbd31238e811727bd875b6e7960

SHA256
e77f0a4d7f95d776266572cb2dda18474de8976b4aacdc4031e6f80a9b12ee4c

SHA512
24ac8824c7d9a9bd7283a36a7fc364168b232b4b1cc5d1a2f7a45cc256c4df0d5223b113fdde988a7700906555e8a6278bde160ba9830baf49b90bae6ee291a3

Download Submit
C:\Users\Admin\AppData\Local\Temp\pmwvpod

Filesize
4KB

MD5
f6b2f9455de327ebdf9194a4708bf820

SHA1
eae59938c6750cf655802675d653ee489b8b0de5

SHA256
311b4ca211486493d9f0ba38ee38f1b479cb68fa34153f30d289568780e32855

SHA512
f2c186114ead0d34deec968d25e3880a519551ee1127f5c1abdba9280179084487d49d22c1075ac61fc8ff30e902155e4d6226fd4ba6e2b115a657306e1e7ee1

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

Filesize
70KB

MD5
1375d6ebdb70a3099887a5e1ea4c9769

SHA1
1a2ed11d9428c34de0d60fdb2bb7c735e99d9382

SHA256
622e49fda8e46b80ebfef2b6d2180a9a425d07525b962e1e4471088431b183c2

SHA512
08b030d32251cd4879732cae94c86038d6970519c6efbc7356ddeebc000002a704170517e8a567f37b54238bc498756dc459da6323fe33ae7486a55de63f57e8

Download Submit
memory/568-21-0x00000000009C0000-0x00000000009D6000-memory.dmp

Filesize
88KB

Download
memory/568-22-0x0000000000100000-0x000000000012F000-memory.dmp

Filesize
188KB

Download
memory/568-19-0x00000000009C0000-0x00000000009D6000-memory.dmp

Filesize
88KB

Download
memory/1208-23-0x0000000006C40000-0x0000000006D59000-memory.dmp

Filesize
1.1MB

Download
memory/1208-18-0x0000000006C40000-0x0000000006D59000-memory.dmp

Filesize
1.1MB

Download
memory/1208-27-0x0000000007040000-0x00000000071A6000-memory.dmp

Filesize
1.4MB

Download
memory/1208-28-0x0000000007040000-0x00000000071A6000-memory.dmp

Filesize
1.4MB

Download
memory/1208-30-0x0000000007040000-0x00000000071A6000-memory.dmp

Filesize
1.4MB

Download
memory/1644-17-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/1644-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1644-14-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/1644-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2120-9-0x00000000000C0000-0x00000000000C2000-memory.dmp

Filesize
8KB

Download

Analysis

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