formbook | 564cf035463b7a4ddcb4bb4821ff47742e9fcd7e0764503b4fbeb87242c22fbf

General

Target

STATEMENT OF ACCOUNTS.exe
Size

464KB
MD5

bbb834f13790a853aafd0d0adab527f4
SHA1

8b20c41d9c082642d9d7c858105d224b81f6fdc2
SHA256

c1b2a36d08dfb9bc18d53112299e6cef0c5057885918a4485b8f1b87a20d709a
SHA512

68303db868b5bf9897e636caf946c5dde5cf28e0590649e1f8e4b0e998eb7c1ea599b87c95f6f7361effcf6fb04737168ed15d9aad95e77acae3dfb619cfe87b

Score

10^/10

formbook nfl persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

nfl

Decoy

giacamp.net

qb51.party

mashalevine.com

russiasexdating.com

jitangyy.com

morockin.com

karoreiss.com

tractionhero.today

bienvenueenprovence.net

stormharbour.info

61999h.com

tryandcert.com

bestwaytosuccess.com

laobaochang.com

otomatiktente.com

rehpb.info

ivpdqb.info

dc-wv-wv-ie-q.com

goingmagic.com

cimachain.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/392-139-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/392-141-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/2492-148-0x0000000000F50000-0x0000000000F7A000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wlanext.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wlanext.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\MDFHZLJ0K = "C:\\Program Files (x86)\\Lr4b\\d8t_df8ftb.exe"	wlanext.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

STATEMENT OF ACCOUNTS.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	STATEMENT OF ACCOUNTS.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 3 IoCs

Processes:

STATEMENT OF ACCOUNTS.exeSTATEMENT OF ACCOUNTS.exewlanext.exe

description	pid	process	target process
PID 2132 set thread context of 392	2132	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 392 set thread context of 3292	392	STATEMENT OF ACCOUNTS.exe	Explorer.EXE
PID 2492 set thread context of 3292	2492	wlanext.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

wlanext.exe

description ioc process

File opened for modification C:\Program Files (x86)\Lr4b\d8t_df8ftb.exe wlanext.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

3248 schtasks.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Lr4b\d8t_df8ftb.exe	wlanext.exe

pid	process
3248	schtasks.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wlanext.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wlanext.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

Processes:

STATEMENT OF ACCOUNTS.exeSTATEMENT OF ACCOUNTS.exewlanext.exe

pid	process
2132	STATEMENT OF ACCOUNTS.exe
2132	STATEMENT OF ACCOUNTS.exe
2132	STATEMENT OF ACCOUNTS.exe
2132	STATEMENT OF ACCOUNTS.exe
2132	STATEMENT OF ACCOUNTS.exe
2132	STATEMENT OF ACCOUNTS.exe
392	STATEMENT OF ACCOUNTS.exe
392	STATEMENT OF ACCOUNTS.exe
392	STATEMENT OF ACCOUNTS.exe
392	STATEMENT OF ACCOUNTS.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe
2492	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3292 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

STATEMENT OF ACCOUNTS.exewlanext.exe

pid process

392 STATEMENT OF ACCOUNTS.exe
392 STATEMENT OF ACCOUNTS.exe
392 STATEMENT OF ACCOUNTS.exe
2492 wlanext.exe
2492 wlanext.exe

pid	process
3292	Explorer.EXE

pid	process
392	STATEMENT OF ACCOUNTS.exe
392	STATEMENT OF ACCOUNTS.exe
392	STATEMENT OF ACCOUNTS.exe
2492	wlanext.exe
2492	wlanext.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

STATEMENT OF ACCOUNTS.exeSTATEMENT OF ACCOUNTS.exewlanext.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2132	STATEMENT OF ACCOUNTS.exe
Token: SeDebugPrivilege	392	STATEMENT OF ACCOUNTS.exe
Token: SeDebugPrivilege	2492	wlanext.exe
Token: SeShutdownPrivilege	3292	Explorer.EXE
Token: SeCreatePagefilePrivilege	3292	Explorer.EXE
Token: SeShutdownPrivilege	3292	Explorer.EXE
Token: SeCreatePagefilePrivilege	3292	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

STATEMENT OF ACCOUNTS.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 2132 wrote to memory of 3248	2132	STATEMENT OF ACCOUNTS.exe	schtasks.exe
PID 2132 wrote to memory of 3248	2132	STATEMENT OF ACCOUNTS.exe	schtasks.exe
PID 2132 wrote to memory of 3248	2132	STATEMENT OF ACCOUNTS.exe	schtasks.exe
PID 2132 wrote to memory of 3864	2132	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 2132 wrote to memory of 3864	2132	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 2132 wrote to memory of 3864	2132	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 2132 wrote to memory of 392	2132	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 2132 wrote to memory of 392	2132	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 2132 wrote to memory of 392	2132	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 2132 wrote to memory of 392	2132	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 2132 wrote to memory of 392	2132	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 2132 wrote to memory of 392	2132	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 3292 wrote to memory of 2492	3292	Explorer.EXE	wlanext.exe
PID 3292 wrote to memory of 2492	3292	Explorer.EXE	wlanext.exe
PID 3292 wrote to memory of 2492	3292	Explorer.EXE	wlanext.exe
PID 2492 wrote to memory of 3148	2492	wlanext.exe	cmd.exe
PID 2492 wrote to memory of 3148	2492	wlanext.exe	cmd.exe
PID 2492 wrote to memory of 3148	2492	wlanext.exe	cmd.exe
PID 2492 wrote to memory of 4324	2492	wlanext.exe	cmd.exe
PID 2492 wrote to memory of 4324	2492	wlanext.exe	cmd.exe
PID 2492 wrote to memory of 4324	2492	wlanext.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3292
- C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe
  "C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ObKQGjkvrU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF419.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:3248
- - C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe
    "{path}"
    3⤵
    PID:3864
- - C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:392
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2312
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.exe"
  2⤵
  - Adds policy Run key to start application
  - Suspicious use of SetThreadContext
  - Drops file in Program Files directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2492
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe"
    3⤵
    PID:3148
- - C:\Windows\SysWOW64\cmd.exe
    /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
    3⤵
    PID:4324

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1

Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF419.tmp

Filesize
1KB

MD5
6cab6219d67614065f7177a9d844a726

SHA1
563fffc61b19325f0f158e2cbb77452b9bc42aae

SHA256
c9893b5858e8e97a555487db71647b5d90a32626e9f6cb1ff2f0cb47755aadd2

SHA512
cbbdd5e1337dcefdfe4adbb12ed0e874d649fa448d94beb4d6d456a48b93dd83665d3b8ca48b25b368e38688778e88ca5c0d72c5808c2c9159681991662b242d

Download Submit
memory/392-143-0x0000000000C90000-0x0000000000CA4000-memory.dmp

Filesize
80KB

Download
memory/392-138-0x0000000000000000-mapping.dmp

Download
memory/392-142-0x0000000001150000-0x000000000149A000-memory.dmp

Filesize
3.3MB

Download
memory/392-141-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/392-139-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2132-131-0x0000000005C60000-0x0000000006204000-memory.dmp

Filesize
5.6MB

Download
memory/2132-133-0x0000000005740000-0x000000000574A000-memory.dmp

Filesize
40KB

Download
memory/2132-132-0x0000000005750000-0x00000000057E2000-memory.dmp

Filesize
584KB

Download
memory/2132-134-0x000000000A2C0000-0x000000000A35C000-memory.dmp

Filesize
624KB

Download
memory/2132-130-0x00000000008D0000-0x000000000094C000-memory.dmp

Filesize
496KB

Download
memory/2492-150-0x0000000001690000-0x0000000001723000-memory.dmp

Filesize
588KB

Download
memory/2492-148-0x0000000000F50000-0x0000000000F7A000-memory.dmp

Filesize
168KB

Download
memory/2492-149-0x00000000018E0000-0x0000000001C2A000-memory.dmp

Filesize
3.3MB

Download
memory/2492-145-0x0000000000000000-mapping.dmp

Download
memory/2492-147-0x00000000005E0000-0x00000000005F7000-memory.dmp

Filesize
92KB

Download
memory/3148-146-0x0000000000000000-mapping.dmp

Download
memory/3248-135-0x0000000000000000-mapping.dmp

Download
memory/3292-144-0x0000000008D10000-0x0000000008EA0000-memory.dmp

Filesize
1.6MB

Download
memory/3292-151-0x0000000008EA0000-0x0000000008FA2000-memory.dmp

Filesize
1.0MB

Download
memory/3864-137-0x0000000000000000-mapping.dmp

Download
memory/4324-152-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads