formbook | 759d45f41f81d6c470d35f5c37efa583cfb3b9aeaad2480abd3dad645f8183ff

General

Target

COTIZAR - CODECA 22174.exe
Size

829KB
MD5

1ac10a157ff0d848bd4213c9408ff9fb
SHA1

5cf9d5b458fc972240e890e8cfba2ec190a0b96b
SHA256

759d45f41f81d6c470d35f5c37efa583cfb3b9aeaad2480abd3dad645f8183ff
SHA512

2e2341059ab56fe726cfb4f1efb96aae65c726557153cdf359501eda7156d35899d4fabaa017cdb23c20cdd3c438b007883c02d792e8ddc7fe7de3dd32558d23
SSDEEP

24576:vaCn/ZrN0wP+YL1lW6ZpffYUTobtVSn52:vvLBJWapfFo3Sn52

Score

10^/10

formbook modiloader ng04 persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ng04

Decoy

tevimaq.com

easterspecialtystore.com

smartlever.tech

10312.uk

tanjawiharbi.co.uk

471338.com

horusventure.com

empress-care.com

sinrian.com

465951.com

aemsti.com

nxcourier.com

stargatefarms.com

lalyquainvestment.com

dailysportsadvice.com

justlistmoore.com

stoneonroll.online

tatianakolomiets.com

barcodebbm.com

protectorship.world

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2796-136-0x0000000010410000-0x000000001043F000-memory.dmp	formbook
behavioral2/memory/1672-138-0x0000000010410000-0x000000001043F000-memory.dmp	formbook
behavioral2/memory/4448-144-0x0000000000800000-0x000000000082F000-memory.dmp	formbook
behavioral2/memory/4448-149-0x0000000000800000-0x000000000082F000-memory.dmp	formbook

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2796-132-0x0000000004500000-0x000000000452D000-memory.dmp	modiloader_stage2

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:

COTIZAR - CODECA 22174.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	COTIZAR - CODECA 22174.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

COTIZAR - CODECA 22174.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Frjepyfx = "C:\\Users\\Public\\Libraries\\xfypejrF.url"	COTIZAR - CODECA 22174.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

colorcpl.exechkdsk.exe

description	pid	process	target process
PID 1672 set thread context of 2944	1672	colorcpl.exe	Explorer.EXE
PID 4448 set thread context of 2944	4448	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 56 IoCs

Processes:

COTIZAR - CODECA 22174.execolorcpl.exechkdsk.exe

pid	process
2796	COTIZAR - CODECA 22174.exe
2796	COTIZAR - CODECA 22174.exe
1672	colorcpl.exe
1672	colorcpl.exe
1672	colorcpl.exe
1672	colorcpl.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe
4448	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2944 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

colorcpl.exechkdsk.exe

pid process

1672 colorcpl.exe
1672 colorcpl.exe
1672 colorcpl.exe
4448 chkdsk.exe
4448 chkdsk.exe

pid	process
2944	Explorer.EXE

pid	process
1672	colorcpl.exe
1672	colorcpl.exe
1672	colorcpl.exe
4448	chkdsk.exe
4448	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

colorcpl.exeExplorer.EXEchkdsk.exe

description	pid	process
Token: SeDebugPrivilege	1672	colorcpl.exe
Token: SeShutdownPrivilege	2944	Explorer.EXE
Token: SeCreatePagefilePrivilege	2944	Explorer.EXE
Token: SeShutdownPrivilege	2944	Explorer.EXE
Token: SeCreatePagefilePrivilege	2944	Explorer.EXE
Token: SeDebugPrivilege	4448	chkdsk.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

COTIZAR - CODECA 22174.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 2796 wrote to memory of 1672	2796	COTIZAR - CODECA 22174.exe	colorcpl.exe
PID 2796 wrote to memory of 1672	2796	COTIZAR - CODECA 22174.exe	colorcpl.exe
PID 2796 wrote to memory of 1672	2796	COTIZAR - CODECA 22174.exe	colorcpl.exe
PID 2796 wrote to memory of 1672	2796	COTIZAR - CODECA 22174.exe	colorcpl.exe
PID 2796 wrote to memory of 1672	2796	COTIZAR - CODECA 22174.exe	colorcpl.exe
PID 2796 wrote to memory of 1672	2796	COTIZAR - CODECA 22174.exe	colorcpl.exe
PID 2944 wrote to memory of 4448	2944	Explorer.EXE	chkdsk.exe
PID 2944 wrote to memory of 4448	2944	Explorer.EXE	chkdsk.exe
PID 2944 wrote to memory of 4448	2944	Explorer.EXE	chkdsk.exe
PID 4448 wrote to memory of 4988	4448	chkdsk.exe	cmd.exe
PID 4448 wrote to memory of 4988	4448	chkdsk.exe	cmd.exe
PID 4448 wrote to memory of 4988	4448	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:2944

C:\Users\Admin\AppData\Local\Temp\COTIZAR - CODECA 22174.exe
"C:\Users\Admin\AppData\Local\Temp\COTIZAR - CODECA 22174.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2796

C:\Windows\SysWOW64\colorcpl.exe
"C:\Windows\System32\colorcpl.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1672

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:4448

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\colorcpl.exe"
3⤵
PID:4988

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1672-134-0x0000000000000000-mapping.dmp

Download
memory/1672-138-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/1672-139-0x0000000004D00000-0x000000000504A000-memory.dmp

Filesize
3.3MB

Download
memory/1672-140-0x0000000004C40000-0x0000000004C55000-memory.dmp

Filesize
84KB

Download
memory/2796-135-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/2796-136-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/2796-132-0x0000000004500000-0x000000000452D000-memory.dmp

Filesize
180KB

Download
memory/2944-147-0x0000000008200000-0x0000000008373000-memory.dmp

Filesize
1.4MB

Download
memory/2944-141-0x0000000008200000-0x0000000008373000-memory.dmp

Filesize
1.4MB

Download
memory/2944-151-0x0000000008690000-0x000000000881C000-memory.dmp

Filesize
1.5MB

Download
memory/2944-150-0x0000000008690000-0x000000000881C000-memory.dmp

Filesize
1.5MB

Download
memory/4448-142-0x0000000000000000-mapping.dmp

Download
memory/4448-146-0x00000000010B0000-0x00000000013FA000-memory.dmp

Filesize
3.3MB

Download
memory/4448-148-0x0000000000DE0000-0x0000000000E74000-memory.dmp

Filesize
592KB

Download
memory/4448-149-0x0000000000800000-0x000000000082F000-memory.dmp

Filesize
188KB

Download
memory/4448-143-0x0000000000A40000-0x0000000000A4A000-memory.dmp

Filesize
40KB

Download
memory/4448-144-0x0000000000800000-0x000000000082F000-memory.dmp

Filesize
188KB

Download
memory/4988-145-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads