formbook | 7485c7b439341ddefbc3a27c36fd79acd5bad67aed05e9ccdaf7689a6d71ab23

General

Target

Bankswift.exe
Size

700KB
MD5

a9a37483725640f15287ebad5eddfabf
SHA1

9f254db4527381e6496df48b5bf1c3f022cb704b
SHA256

7485c7b439341ddefbc3a27c36fd79acd5bad67aed05e9ccdaf7689a6d71ab23
SHA512

1334465075a31758c44ddcb2f61861214e6566d98a592711d860433b05112c510e25595c69afc9c8751614074a5e232391c2faff63ad88fbd93bea5c7b818cae
SSDEEP

12288:SiBxGmRYmsyr7ZcO43JyvhimQ9f7dZb2JkaUE8T/gqGF/I9W:SiBx5YmVcO4ZyvhimQ9pZaJd8jSRIw

Score

10^/10

formbook m25s discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m25s

Decoy

araghospitality.net

cleans.xyz

olnacasinotcs14.top

pringhillinfos.net

erkakasrumah.online

orean-course-289113002.zone

yeloma-treatment-82106.bond

76iw543gw.autos

nline-shopping-56055.bond

enetik.xyz

ax-th-6011838.fyi

itygatehousing.app

23zy998jk.bond

pslag-hal-2.online

uykoii.shop

9supjub3p.buzz

tmgl.bond

actus-catering-creations.net

ntercashspace24.homes

ierra777.vip

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
behavioral1/memory/540-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/540-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/540-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2836-27-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2268	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1724 set thread context of 540	1724	Bankswift.exe	31
PID 540 set thread context of 1196	540	Bankswift.exe	21
PID 540 set thread context of 1196	540	Bankswift.exe	21
PID 2836 set thread context of 1196	2836	mstsc.exe	21

System Location Discovery: System Language Discovery 1 TTPs 3 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	Bankswift.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
1724	Bankswift.exe
1724	Bankswift.exe
1724	Bankswift.exe
540	Bankswift.exe
540	Bankswift.exe
540	Bankswift.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe
2836	mstsc.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
540	Bankswift.exe
540	Bankswift.exe
540	Bankswift.exe
540	Bankswift.exe
2836	mstsc.exe
2836	mstsc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1724	Bankswift.exe
Token: SeDebugPrivilege	540	Bankswift.exe
Token: SeDebugPrivilege	2836	mstsc.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 540	1724	Bankswift.exe	31
PID 1724 wrote to memory of 540	1724	Bankswift.exe	31
PID 1724 wrote to memory of 540	1724	Bankswift.exe	31
PID 1724 wrote to memory of 540	1724	Bankswift.exe	31
PID 1724 wrote to memory of 540	1724	Bankswift.exe	31
PID 1724 wrote to memory of 540	1724	Bankswift.exe	31
PID 1724 wrote to memory of 540	1724	Bankswift.exe	31
PID 1196 wrote to memory of 2836	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2836	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2836	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2836	1196	Explorer.EXE	32
PID 2836 wrote to memory of 2268	2836	mstsc.exe	33
PID 2836 wrote to memory of 2268	2836	mstsc.exe	33
PID 2836 wrote to memory of 2268	2836	mstsc.exe	33
PID 2836 wrote to memory of 2268	2836	mstsc.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\Bankswift.exe
  "C:\Users\Admin\AppData\Local\Temp\Bankswift.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1724
- - C:\Users\Admin\AppData\Local\Temp\Bankswift.exe
    "C:\Users\Admin\AppData\Local\Temp\Bankswift.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:540
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.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:2836
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Bankswift.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/540-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/540-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/540-22-0x00000000001F0000-0x0000000000205000-memory.dmp

Filesize
84KB

Download
memory/540-15-0x0000000000C00000-0x0000000000F03000-memory.dmp

Filesize
3.0MB

Download
memory/540-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/540-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/540-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/540-18-0x0000000000190000-0x00000000001A5000-memory.dmp

Filesize
84KB

Download
memory/540-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1196-19-0x0000000004660000-0x0000000004761000-memory.dmp

Filesize
1.0MB

Download
memory/1196-24-0x0000000004E70000-0x0000000004FCB000-memory.dmp

Filesize
1.4MB

Download
memory/1196-23-0x0000000004660000-0x0000000004761000-memory.dmp

Filesize
1.0MB

Download
memory/1196-28-0x0000000004E70000-0x0000000004FCB000-memory.dmp

Filesize
1.4MB

Download
memory/1724-6-0x0000000000380000-0x00000000003F6000-memory.dmp

Filesize
472KB

Download
memory/1724-1-0x00000000009B0000-0x0000000000A66000-memory.dmp

Filesize
728KB

Download
memory/1724-5-0x0000000073E90000-0x000000007457E000-memory.dmp

Filesize
6.9MB

Download
memory/1724-4-0x0000000073E9E000-0x0000000073E9F000-memory.dmp

Filesize
4KB

Download
memory/1724-0-0x0000000073E9E000-0x0000000073E9F000-memory.dmp

Filesize
4KB

Download
memory/1724-3-0x0000000000520000-0x000000000053E000-memory.dmp

Filesize
120KB

Download
memory/1724-14-0x0000000073E90000-0x000000007457E000-memory.dmp

Filesize
6.9MB

Download
memory/1724-2-0x0000000073E90000-0x000000007457E000-memory.dmp

Filesize
6.9MB

Download
memory/2836-26-0x00000000002F0000-0x00000000003F4000-memory.dmp

Filesize
1.0MB

Download
memory/2836-25-0x00000000002F0000-0x00000000003F4000-memory.dmp

Filesize
1.0MB

Download
memory/2836-27-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing