formbook | 7cdb9e0fde39ad1578dbd905a88c8b6492a608349c0fed0c79879f5a086108e9

General

Target

E-dekont.exe
Size

286KB
MD5

7f453b503f828a474ca684b065498d01
SHA1

b82a91e97e1c0a23b993db56f9f6049a96580b34
SHA256

7cdb9e0fde39ad1578dbd905a88c8b6492a608349c0fed0c79879f5a086108e9
SHA512

167c0afb30cd84f7a2980f1713012f5722b00a642977cb1c7d6f353698a8d74c11cfb367585d1a93b3ff4defee526017d71240bb1331baaf2169062e258f73a3
SSDEEP

6144:hT5Uzm0s9s3LWwHCZwX+A6UXqc0LrWK5OcraEUq2YWPOjJlaq8+:hT55Ns3LNi+uAz6c0LrWSaxHmX8+

Score

10^/10

formbook be83 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

be83

Decoy

woodlandscancercare.org.uk

hosting-delightful.lol

bilpreco.com

diplomk-v-habarovske.com

dzgck.com

jsdappraisals.com

digitalnishant.com

bluevibesgift.com

wowchershoo.co.uk

eudoriaofficial.online

ourcampaign2024.net

barlogcode.com

calmingscents.biz

thewaterfallproject.africa

www-1911.com

cigapp.online

wooddroppers.africa

casmiya.com

haruminailbar.com

drivermindset.com

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
behavioral1/memory/1892-85-0x0000000000400000-0x0000000001462000-memory.dmp	formbook
behavioral1/memory/1892-91-0x0000000000400000-0x0000000001462000-memory.dmp	formbook
behavioral1/memory/2028-99-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook
behavioral1/memory/2028-100-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Checks QEMU agent file 2 TTPs 2 IoCs

Checks presence of QEMU agent, possibly to detect virtualization.

Query Registry

T1012

System Information Discovery

T1082

Processes:

E-dekont.exeE-dekont.exe

description	ioc	process
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	E-dekont.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	E-dekont.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

812 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

E-dekont.exe

pid process

1680 E-dekont.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

pid	process
812	cmd.exe

pid	process
1680	E-dekont.exe

Drops file in System32 directory 5 IoCs

Processes:

E-dekont.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Kbelyst\Intraselection\Strbemrkning23\Arcadianly.Blo132	E-dekont.exe
File opened for modification	C:\Windows\SysWOW64\Weeds\Vederstyggeligste211\Dybgang.Aur	E-dekont.exe
File opened for modification	C:\Windows\SysWOW64\Nonreprehensibly.Ber	E-dekont.exe
File opened for modification	C:\Windows\SysWOW64\Agaver\Ngtelsers.ini	E-dekont.exe
File opened for modification	C:\Windows\SysWOW64\Tilkmpendes\Saxofonen.ini	E-dekont.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

E-dekont.exe

pid process

1892 E-dekont.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

E-dekont.exeE-dekont.exe

pid process

1680 E-dekont.exe
1892 E-dekont.exe

pid	process
1680	E-dekont.exe
1892	E-dekont.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

E-dekont.exeE-dekont.execmstp.exe

description	pid	process	target process
PID 1680 set thread context of 1892	1680	E-dekont.exe	E-dekont.exe
PID 1892 set thread context of 1200	1892	E-dekont.exe	Explorer.EXE
PID 2028 set thread context of 1200	2028	cmstp.exe	Explorer.EXE

Drops file in Windows directory 1 IoCs

Processes:

E-dekont.exe

description ioc process

File created C:\Windows\Fonts\Underdrain\skatteskemaers\Shodden\Kartonnagefabrikken.lnk E-dekont.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\Fonts\Underdrain\skatteskemaers\Shodden\Kartonnagefabrikken.lnk	E-dekont.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

E-dekont.execmstp.exe

pid	process
1892	E-dekont.exe
1892	E-dekont.exe
2028	cmstp.exe
2028	cmstp.exe
2028	cmstp.exe
2028	cmstp.exe
2028	cmstp.exe
2028	cmstp.exe
2028	cmstp.exe
2028	cmstp.exe
2028	cmstp.exe
2028	cmstp.exe
2028	cmstp.exe
2028	cmstp.exe
2028	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

E-dekont.exeE-dekont.execmstp.exe

pid process

1680 E-dekont.exe
1892 E-dekont.exe
1892 E-dekont.exe
1892 E-dekont.exe
2028 cmstp.exe
2028 cmstp.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

E-dekont.exeExplorer.EXEcmstp.exe

description pid process

Token: SeDebugPrivilege 1892 E-dekont.exe
Token: SeShutdownPrivilege 1200 Explorer.EXE
Token: SeDebugPrivilege 2028 cmstp.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE

pid	process
1200	Explorer.EXE

pid	process
1680	E-dekont.exe
1892	E-dekont.exe
1892	E-dekont.exe
1892	E-dekont.exe
2028	cmstp.exe
2028	cmstp.exe

description	pid	process
Token: SeDebugPrivilege	1892	E-dekont.exe
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeDebugPrivilege	2028	cmstp.exe

pid	process
1200	Explorer.EXE
1200	Explorer.EXE

pid	process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

E-dekont.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 1680 wrote to memory of 1892	1680	E-dekont.exe	E-dekont.exe
PID 1680 wrote to memory of 1892	1680	E-dekont.exe	E-dekont.exe
PID 1680 wrote to memory of 1892	1680	E-dekont.exe	E-dekont.exe
PID 1680 wrote to memory of 1892	1680	E-dekont.exe	E-dekont.exe
PID 1680 wrote to memory of 1892	1680	E-dekont.exe	E-dekont.exe
PID 1200 wrote to memory of 2028	1200	Explorer.EXE	cmstp.exe
PID 1200 wrote to memory of 2028	1200	Explorer.EXE	cmstp.exe
PID 1200 wrote to memory of 2028	1200	Explorer.EXE	cmstp.exe
PID 1200 wrote to memory of 2028	1200	Explorer.EXE	cmstp.exe
PID 1200 wrote to memory of 2028	1200	Explorer.EXE	cmstp.exe
PID 1200 wrote to memory of 2028	1200	Explorer.EXE	cmstp.exe
PID 1200 wrote to memory of 2028	1200	Explorer.EXE	cmstp.exe
PID 2028 wrote to memory of 812	2028	cmstp.exe	cmd.exe
PID 2028 wrote to memory of 812	2028	cmstp.exe	cmd.exe
PID 2028 wrote to memory of 812	2028	cmstp.exe	cmd.exe
PID 2028 wrote to memory of 812	2028	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1200

C:\Users\Admin\AppData\Local\Temp\E-dekont.exe
"C:\Users\Admin\AppData\Local\Temp\E-dekont.exe"
2⤵
- Checks QEMU agent file
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1680

C:\Users\Admin\AppData\Local\Temp\E-dekont.exe
"C:\Users\Admin\AppData\Local\Temp\E-dekont.exe"
3⤵
- Checks QEMU agent file
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1892

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\E-dekont.exe"
3⤵
- Deletes itself
PID:812

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\DORME.ini
Filesize
31B

MD5
3000f7f0f12b7139ea28160c52098e25

SHA1
9d032395f38d341881019b996e591160d542054b

SHA256
467b09ff26622746d205628ae325ec9838461bc5fe741b3757bb39ddec87ecb1

SHA512
a76a2f1e3686e2ffd03388ec7dbcd4afa6ae53ccd3aa40c6fbbf0c994eee5e2685d0c412f15ec4506c1175f5a84712e1a8b7ae32e6a0327e1ba47321a59e0ee2

Download Submit
\Users\Admin\AppData\Local\Temp\nstF11.tmp\System.dll
Filesize
12KB

MD5
d968cb2b98b83c03a9f02dd9b8df97dc

SHA1
d784c9b7a92dce58a5038beb62a48ff509e166a0

SHA256
a4ec98011ef99e595912718c1a1bf1aa67bfc2192575729d42f559d01f67b95c

SHA512
2ee41dc68f329a1519a8073ece7d746c9f3bf45d8ef3b915deb376af37e26074134af5f83c8af0fe0ab227f0d1acca9f37e5ca7ae37c46c3bcc0331fe5e2b97e

Download Submit
memory/1200-90-0x0000000004330000-0x000000000441A000-memory.dmp

Filesize
936KB

Download
memory/1200-108-0x00000000048F0000-0x0000000004A02000-memory.dmp

Filesize
1.1MB

Download
memory/1200-105-0x00000000048F0000-0x0000000004A02000-memory.dmp

Filesize
1.1MB

Download
memory/1200-104-0x00000000048F0000-0x0000000004A02000-memory.dmp

Filesize
1.1MB

Download
memory/1200-102-0x0000000002E90000-0x0000000002F90000-memory.dmp

Filesize
1024KB

Download
memory/1892-91-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1892-85-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1892-88-0x0000000035E20000-0x0000000036123000-memory.dmp

Filesize
3.0MB

Download
memory/1892-86-0x0000000001470000-0x0000000005B67000-memory.dmp

Filesize
71.0MB

Download
memory/1892-89-0x00000000359A0000-0x00000000359B4000-memory.dmp

Filesize
80KB

Download
memory/1892-93-0x0000000001470000-0x0000000005B67000-memory.dmp

Filesize
71.0MB

Download
memory/1892-81-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1892-82-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1892-83-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/2028-94-0x0000000000CB0000-0x0000000000CC8000-memory.dmp

Filesize
96KB

Download
memory/2028-100-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/2028-103-0x0000000000950000-0x00000000009E3000-memory.dmp

Filesize
588KB

Download
memory/2028-99-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/2028-98-0x00000000020D0000-0x00000000023D3000-memory.dmp

Filesize
3.0MB

Download
memory/2028-95-0x0000000000CB0000-0x0000000000CC8000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads