formbook | 387ffb226814e27323556e1ba7a7491c40b75e90c22630a03bab23e0692edc38

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2022 15:34

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General

Target

jetsoff6543.exe
Size

214KB
MD5

3052597dc463bafa0c102a204dbf58fc
SHA1

bc083a8e34abfc24ea8b94b1325354ea2f4a08bb
SHA256

84a150ec171d193dbd5738ade685f3225716b6945e59625ce458f0a9069860b8
SHA512

9925797cf5061017bcfbf37ab968c0ddeda7e7abd6d2db8abb62aeb6ca0a711672b1cfd9c8a3ef7af07cedc9b7a4d8d0071a2371caabaacd9323d270ab6d4246
SSDEEP

6144:qweEpoJiPJhQxjr858KG3NLsJrdtvUlAg:boJi0xnYUaJpx5g

Score

10^/10

formbook je14 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

je14

Decoy

innervisionbuildings.com

theenergysocialite.com

565548.com

panghr.com

onlyonesolutions.com

stjohnzone6.com

cnotes.rest

helfeb.online

xixi-s-inc.club

easilyentered.com

theshopx.store

mrclean-ac.com

miamibeachwateradventures.com

jpearce.co.uk

seseragi-bunkou.com

minimaddie.com

commbank-help-849c3.com

segohandelsonderneming.com

namthanhreal.com

fototerapi.online

Signatures

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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2076-139-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2076-144-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1672-146-0x0000000000C30000-0x0000000000C5F000-memory.dmp	formbook
behavioral2/memory/1672-149-0x0000000000C30000-0x0000000000C5F000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

Processes:

qfaeenx.exeqfaeenx.exe

pid process

2900 qfaeenx.exe
2076 qfaeenx.exe

pid	process
2900	qfaeenx.exe
2076	qfaeenx.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

qfaeenx.exeqfaeenx.exechkdsk.exe

description	pid	process	target process
PID 2900 set thread context of 2076	2900	qfaeenx.exe	qfaeenx.exe
PID 2076 set thread context of 2948	2076	qfaeenx.exe	Explorer.EXE
PID 1672 set thread context of 2948	1672	chkdsk.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
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

qfaeenx.exechkdsk.exe

pid	process
2076	qfaeenx.exe
2076	qfaeenx.exe
2076	qfaeenx.exe
2076	qfaeenx.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe
1672	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2948 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

qfaeenx.exeqfaeenx.exechkdsk.exe

pid process

2900 qfaeenx.exe
2076 qfaeenx.exe
2076 qfaeenx.exe
2076 qfaeenx.exe
1672 chkdsk.exe
1672 chkdsk.exe

pid	process
2948	Explorer.EXE

pid	process
2900	qfaeenx.exe
2076	qfaeenx.exe
2076	qfaeenx.exe
2076	qfaeenx.exe
1672	chkdsk.exe
1672	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

Processes:

qfaeenx.exechkdsk.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2076	qfaeenx.exe
Token: SeDebugPrivilege	1672	chkdsk.exe
Token: SeShutdownPrivilege	2948	Explorer.EXE
Token: SeCreatePagefilePrivilege	2948	Explorer.EXE
Token: SeShutdownPrivilege	2948	Explorer.EXE
Token: SeCreatePagefilePrivilege	2948	Explorer.EXE
Token: SeShutdownPrivilege	2948	Explorer.EXE
Token: SeCreatePagefilePrivilege	2948	Explorer.EXE
Token: SeShutdownPrivilege	2948	Explorer.EXE
Token: SeCreatePagefilePrivilege	2948	Explorer.EXE
Token: SeShutdownPrivilege	2948	Explorer.EXE
Token: SeCreatePagefilePrivilege	2948	Explorer.EXE
Token: SeShutdownPrivilege	2948	Explorer.EXE
Token: SeCreatePagefilePrivilege	2948	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

jetsoff6543.exeqfaeenx.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 4868 wrote to memory of 2900	4868	jetsoff6543.exe	qfaeenx.exe
PID 4868 wrote to memory of 2900	4868	jetsoff6543.exe	qfaeenx.exe
PID 4868 wrote to memory of 2900	4868	jetsoff6543.exe	qfaeenx.exe
PID 2900 wrote to memory of 2076	2900	qfaeenx.exe	qfaeenx.exe
PID 2900 wrote to memory of 2076	2900	qfaeenx.exe	qfaeenx.exe
PID 2900 wrote to memory of 2076	2900	qfaeenx.exe	qfaeenx.exe
PID 2900 wrote to memory of 2076	2900	qfaeenx.exe	qfaeenx.exe
PID 2948 wrote to memory of 1672	2948	Explorer.EXE	chkdsk.exe
PID 2948 wrote to memory of 1672	2948	Explorer.EXE	chkdsk.exe
PID 2948 wrote to memory of 1672	2948	Explorer.EXE	chkdsk.exe
PID 1672 wrote to memory of 1804	1672	chkdsk.exe	cmd.exe
PID 1672 wrote to memory of 1804	1672	chkdsk.exe	cmd.exe
PID 1672 wrote to memory of 1804	1672	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2948

C:\Users\Admin\AppData\Local\Temp\jetsoff6543.exe
"C:\Users\Admin\AppData\Local\Temp\jetsoff6543.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4868

C:\Users\Admin\AppData\Local\Temp\qfaeenx.exe
"C:\Users\Admin\AppData\Local\Temp\qfaeenx.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2900

C:\Users\Admin\AppData\Local\Temp\qfaeenx.exe
"C:\Users\Admin\AppData\Local\Temp\qfaeenx.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2076

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1672

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\qfaeenx.exe"
3⤵
PID:1804

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\qfaeenx.exe
Filesize
8KB

MD5
1c76048e3b5258e026fd31e7d3cc1530

SHA1
25bef57a5eda44f8bd59e6aecd7cf8f681bc66b8

SHA256
a067079fe15e9c86bea9eaa38a258d77129195eb585e17e90ff01bf981b9d3ac

SHA512
fb1f76d24fd2800348b7b179beb06728a30e7142c13feb55174a99414a435d4200483b255773befcad22e1fbbb180b0cf52e0f7e9160df8cb0084614cd7df2cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\qfaeenx.exe
Filesize
8KB

MD5
1c76048e3b5258e026fd31e7d3cc1530

SHA1
25bef57a5eda44f8bd59e6aecd7cf8f681bc66b8

SHA256
a067079fe15e9c86bea9eaa38a258d77129195eb585e17e90ff01bf981b9d3ac

SHA512
fb1f76d24fd2800348b7b179beb06728a30e7142c13feb55174a99414a435d4200483b255773befcad22e1fbbb180b0cf52e0f7e9160df8cb0084614cd7df2cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\qfaeenx.exe
Filesize
8KB

MD5
1c76048e3b5258e026fd31e7d3cc1530

SHA1
25bef57a5eda44f8bd59e6aecd7cf8f681bc66b8

SHA256
a067079fe15e9c86bea9eaa38a258d77129195eb585e17e90ff01bf981b9d3ac

SHA512
fb1f76d24fd2800348b7b179beb06728a30e7142c13feb55174a99414a435d4200483b255773befcad22e1fbbb180b0cf52e0f7e9160df8cb0084614cd7df2cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\wygurjb.z
Filesize
185KB

MD5
9474ef9cd3b0e642db9b2eb53949a6ad

SHA1
cf0d057435c123e0cebe651907365a6d56c3f328

SHA256
fe8c90ecfacda561029d39d7356811db9df051e0edecc01e845a5da6396d836c

SHA512
e9aed14f30fbfb904289f89f16243906381718a5fcddb67b4d9ba3b3713cb49495dafa6834290787d96b3b83e8c56a649132042916300b5bbb58429479dbffcc

Download Submit
C:\Users\Admin\AppData\Local\Temp\xtmqeadsglh.m
Filesize
5KB

MD5
fa296506bdb3a5f9aefa7144420a40a1

SHA1
010f9af53e8030a4586fa038c847432e5639dcbd

SHA256
bc8ab2be1593c8888b52515ad970855a40ed469138f34b5b4e17998f9682ba43

SHA512
441941fd51f1be98c37cb169f86d8c82f2ab17cdfacb7bcd728becf80974796e37720cffc71c9052cc36618d11401aa928c39e9e9e266d17e148044a6d5bb331

Download Submit
memory/1672-145-0x0000000000C90000-0x0000000000C9A000-memory.dmp

Filesize
40KB

Download
memory/1672-143-0x0000000000000000-mapping.dmp

Download
memory/1672-146-0x0000000000C30000-0x0000000000C5F000-memory.dmp

Filesize
188KB

Download
memory/1672-148-0x0000000001480000-0x00000000017CA000-memory.dmp

Filesize
3.3MB

Download
memory/1672-149-0x0000000000C30000-0x0000000000C5F000-memory.dmp

Filesize
188KB

Download
memory/1672-150-0x0000000001220000-0x00000000012B3000-memory.dmp

Filesize
588KB

Download
memory/1804-147-0x0000000000000000-mapping.dmp

Download
memory/2076-139-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2076-140-0x00000000015E0000-0x000000000192A000-memory.dmp

Filesize
3.3MB

Download
memory/2076-141-0x0000000001140000-0x0000000001154000-memory.dmp

Filesize
80KB

Download
memory/2076-144-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2076-137-0x0000000000000000-mapping.dmp

Download
memory/2900-132-0x0000000000000000-mapping.dmp

Download
memory/2948-174-0x0000000007480000-0x0000000007490000-memory.dmp

Filesize
64KB

Download
memory/2948-183-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-152-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-153-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-154-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-155-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-156-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-157-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-158-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-159-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-160-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-161-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-162-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-163-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-164-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-165-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-166-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-167-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-168-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-169-0x0000000002AF0000-0x0000000002B00000-memory.dmp

Filesize
64KB

Download
memory/2948-170-0x0000000007480000-0x0000000007490000-memory.dmp

Filesize
64KB

Download
memory/2948-171-0x0000000007480000-0x0000000007490000-memory.dmp

Filesize
64KB

Download
memory/2948-172-0x0000000007480000-0x0000000007490000-memory.dmp

Filesize
64KB

Download
memory/2948-173-0x0000000002D90000-0x0000000002E52000-memory.dmp

Filesize
776KB

Download
memory/2948-142-0x00000000028E0000-0x00000000029DB000-memory.dmp

Filesize
1004KB

Download
memory/2948-175-0x0000000007480000-0x0000000007490000-memory.dmp

Filesize
64KB

Download
memory/2948-176-0x0000000007480000-0x0000000007490000-memory.dmp

Filesize
64KB

Download
memory/2948-177-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-178-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-179-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-180-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-181-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-182-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-151-0x0000000002D90000-0x0000000002E52000-memory.dmp

Filesize
776KB

Download
memory/2948-184-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-185-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-186-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-187-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-188-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-189-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-190-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-191-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-192-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-193-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-194-0x0000000002810000-0x0000000002820000-memory.dmp

Filesize
64KB

Download
memory/2948-195-0x0000000002820000-0x0000000002830000-memory.dmp

Filesize
64KB

Download
memory/2948-196-0x0000000002820000-0x0000000002830000-memory.dmp

Filesize
64KB

Download
memory/2948-197-0x0000000002810000-0x0000000002820000-memory.dmp

Filesize
64KB

Download
memory/2948-198-0x0000000002820000-0x0000000002830000-memory.dmp

Filesize
64KB

Download
memory/2948-199-0x0000000002820000-0x0000000002830000-memory.dmp

Filesize
64KB

Download
memory/2948-200-0x0000000002820000-0x0000000002830000-memory.dmp

Filesize
64KB

Download
memory/2948-201-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-202-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-203-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-204-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-205-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-206-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-207-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-208-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-209-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-210-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-211-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-212-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-213-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-214-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-215-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download
memory/2948-216-0x0000000000B20000-0x0000000000B30000-memory.dmp

Filesize
64KB

Download