formbook | 05007c4012529b5d5376909fae3f9c4103f49b3cc5e4342bb1fc790ffeb49cfa

General

Target

DHL_AWB_NO#907853880911.exe
Size

213KB
MD5

5a835f602ce0e1eea9acc3f6b36819b5
SHA1

319e3bca310f93fbe53ff095c26b53a531c45929
SHA256

05007c4012529b5d5376909fae3f9c4103f49b3cc5e4342bb1fc790ffeb49cfa
SHA512

f8c6f18c9191bedc9194211bd809bf45f2f010b9966e7709dc72c2289aba86cadf55ac0abf667863892104291b00f23a2c1cc48e704881c4e8387c7d31ce81f6

Score

10^/10

formbook fw02 rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

fw02

Decoy

payer-breakers.com

thesiscoper.com

rental-villa.com

scovikinnovations.com

hydh33.com

allmyshit.rest

lovejaclyn.com

vanessaruizwriting.com

dufonddelaclasse.com

kiddee168.com

monumentalmarketsllc.com

musclegainfatloss.com

avida.info

cosmo-wellness.net

dandelionfusedigital.com

oversizeloadbanners.com

konstelle.store

sdjnsbd.com

czoqg.xyz

5p6xljjse1lq.xyz

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/776-136-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/776-139-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4544-146-0x00000000008F0000-0x000000000091F000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

Processes:

okhrhf.exeokhrhf.exe

pid process

2268 okhrhf.exe
776 okhrhf.exe

pid	process
2268	okhrhf.exe
776	okhrhf.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

okhrhf.exeokhrhf.exeipconfig.exe

description	pid	process	target process
PID 2268 set thread context of 776	2268	okhrhf.exe	okhrhf.exe
PID 776 set thread context of 680	776	okhrhf.exe	Explorer.EXE
PID 4544 set thread context of 680	4544	ipconfig.exe	Explorer.EXE

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

System Information Discovery
T1082
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

4544 ipconfig.exe

pid	process
4544	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

okhrhf.exeipconfig.exe

pid	process
776	okhrhf.exe
776	okhrhf.exe
776	okhrhf.exe
776	okhrhf.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe
4544	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

680 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

okhrhf.exeipconfig.exe

pid process

776 okhrhf.exe
776 okhrhf.exe
776 okhrhf.exe
4544 ipconfig.exe
4544 ipconfig.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

okhrhf.exeipconfig.exe

description pid process

Token: SeDebugPrivilege 776 okhrhf.exe
Token: SeDebugPrivilege 4544 ipconfig.exe

pid	process
680	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	776	okhrhf.exe
Token: SeDebugPrivilege	4544	ipconfig.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

DHL_AWB_NO#907853880911.exeokhrhf.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 1728 wrote to memory of 2268	1728	DHL_AWB_NO#907853880911.exe	okhrhf.exe
PID 1728 wrote to memory of 2268	1728	DHL_AWB_NO#907853880911.exe	okhrhf.exe
PID 1728 wrote to memory of 2268	1728	DHL_AWB_NO#907853880911.exe	okhrhf.exe
PID 2268 wrote to memory of 776	2268	okhrhf.exe	okhrhf.exe
PID 2268 wrote to memory of 776	2268	okhrhf.exe	okhrhf.exe
PID 2268 wrote to memory of 776	2268	okhrhf.exe	okhrhf.exe
PID 2268 wrote to memory of 776	2268	okhrhf.exe	okhrhf.exe
PID 2268 wrote to memory of 776	2268	okhrhf.exe	okhrhf.exe
PID 2268 wrote to memory of 776	2268	okhrhf.exe	okhrhf.exe
PID 680 wrote to memory of 4544	680	Explorer.EXE	ipconfig.exe
PID 680 wrote to memory of 4544	680	Explorer.EXE	ipconfig.exe
PID 680 wrote to memory of 4544	680	Explorer.EXE	ipconfig.exe
PID 4544 wrote to memory of 3388	4544	ipconfig.exe	cmd.exe
PID 4544 wrote to memory of 3388	4544	ipconfig.exe	cmd.exe
PID 4544 wrote to memory of 3388	4544	ipconfig.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:680

C:\Users\Admin\AppData\Local\Temp\DHL_AWB_NO#907853880911.exe
"C:\Users\Admin\AppData\Local\Temp\DHL_AWB_NO#907853880911.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1728

C:\Users\Admin\AppData\Local\Temp\okhrhf.exe
C:\Users\Admin\AppData\Local\Temp\okhrhf.exe C:\Users\Admin\AppData\Local\Temp\jccwgv
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2268

C:\Users\Admin\AppData\Local\Temp\okhrhf.exe
C:\Users\Admin\AppData\Local\Temp\okhrhf.exe C:\Users\Admin\AppData\Local\Temp\jccwgv
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:776

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4544

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\okhrhf.exe"
3⤵
PID:3388

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\j2bi89rpdq6fc
Filesize
184KB

MD5
be1d099a34ee96edbea1398ef57d970a

SHA1
846bbb888536838e82c6242d39594d424219a9f7

SHA256
b261414063bbf5e7227d194f93806aefa14c225f23af092325f7a2b167d7b40c

SHA512
1d29942f2d8a0b024c5ac70d6c9a4b9fe12bda6a6c0822bf7aeb84f2ceb7e9bf5d9f243eb548e28af856375e1b328900a3cea5df10f12c05e0fb047866c5b1cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\jccwgv
Filesize
5KB

MD5
09b05f7fc9cf06ed107fc53bd9ae45d7

SHA1
d5fc1cff7193b5397ce56901d3242a8ff9e6b6df

SHA256
54276a6f214def22332a66d17d859a6263333fee87082b38424cb9212040dc54

SHA512
dbef04969daea5c8f9d58d40e608c1f0c2d30e6900740e7b9e7b739ca6f26943f54543a43cfc6c6921b4fc311800b5076c940c99345624c7945535abd6cfb755

Download Submit
C:\Users\Admin\AppData\Local\Temp\okhrhf.exe
Filesize
3KB

MD5
3415ac392ee37434415ee73efe842400

SHA1
aa56116ffe42dbeef0089562293f673bb8313ff0

SHA256
61868f1f4b6aaa4ecf6f5669b4930591d5ba43bdc4bbafd6f65cb1dfd0134bc8

SHA512
71041a7dad4729eb473daa464dda9a938a9e21e21f085aafe5b5d9fc09aa04841852e18000408f38284793ab0c0edb3a6eecfc5aaba9231e04196901884338fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\okhrhf.exe
Filesize
3KB

MD5
3415ac392ee37434415ee73efe842400

SHA1
aa56116ffe42dbeef0089562293f673bb8313ff0

SHA256
61868f1f4b6aaa4ecf6f5669b4930591d5ba43bdc4bbafd6f65cb1dfd0134bc8

SHA512
71041a7dad4729eb473daa464dda9a938a9e21e21f085aafe5b5d9fc09aa04841852e18000408f38284793ab0c0edb3a6eecfc5aaba9231e04196901884338fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\okhrhf.exe
Filesize
3KB

MD5
3415ac392ee37434415ee73efe842400

SHA1
aa56116ffe42dbeef0089562293f673bb8313ff0

SHA256
61868f1f4b6aaa4ecf6f5669b4930591d5ba43bdc4bbafd6f65cb1dfd0134bc8

SHA512
71041a7dad4729eb473daa464dda9a938a9e21e21f085aafe5b5d9fc09aa04841852e18000408f38284793ab0c0edb3a6eecfc5aaba9231e04196901884338fc

Download Submit
memory/680-149-0x0000000004350000-0x000000000440D000-memory.dmp

Filesize
756KB

Download
memory/680-141-0x0000000002C10000-0x0000000002CE5000-memory.dmp

Filesize
852KB

Download
memory/776-139-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/776-136-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/776-140-0x0000000000E10000-0x0000000000E24000-memory.dmp

Filesize
80KB

Download
memory/776-135-0x0000000000000000-mapping.dmp

Download
memory/776-142-0x00000000009E0000-0x0000000000D2A000-memory.dmp

Filesize
3.3MB

Download
memory/2268-130-0x0000000000000000-mapping.dmp

Download
memory/3388-144-0x0000000000000000-mapping.dmp

Download
memory/4544-143-0x0000000000000000-mapping.dmp

Download
memory/4544-146-0x00000000008F0000-0x000000000091F000-memory.dmp

Filesize
188KB

Download
memory/4544-145-0x00000000000E0000-0x00000000000EB000-memory.dmp

Filesize
44KB

Download
memory/4544-147-0x00000000011D0000-0x000000000151A000-memory.dmp

Filesize
3.3MB

Download
memory/4544-148-0x0000000000F10000-0x0000000000FA3000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads