formbook | bdfb763b51cd4a618ad0d10388f1f478d1acddc7917891a990e8f390c9319b76

General

Target

CC2107139144.exe
Size

856KB
MD5

51beaa7443a361691a0cbef6e56d890b
SHA1

5a851452118c729d94b99f83c85cd819f5f96de6
SHA256

bdfb763b51cd4a618ad0d10388f1f478d1acddc7917891a990e8f390c9319b76
SHA512

2f41652699b858e31182ad7c14593034c75c78929ce24ab1ec65cf62f800cc04e0c64acc08a3e4c3d28d5d38769a829d38ce4fa684ed89f384ca663bb1b4a440

Score

10^/10

formbook v32s rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

v32s

Decoy

water-hada-utsukushii.xyz

9v6v.com

rechtsanwalt-trnka.com

lets-eat-healthy.com

vannyscreamycreations.com

cosy-bamboo.com

leedexamtraining.com

lilbusinessowner.com

cncvietnam.net

gpsplayback.com

aroidaddictfl.com

patienpower.info

777londonescorts.com

whrpky078.xyz

yqamuh.com

virtualft.com

fanfanway.com

56789r.com

926397.com

kp-crane.com

Signatures

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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2704-128-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2704-134-0x0000000000C30000-0x0000000000D7A000-memory.dmp	formbook
behavioral2/memory/2800-150-0x00000000002C0000-0x00000000002EF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

CC2107139144.exeCC2107139144.exeexplorer.exe

description	pid	process	target process
PID 2780 set thread context of 2704	2780	CC2107139144.exe	CC2107139144.exe
PID 2704 set thread context of 3000	2704	CC2107139144.exe	Explorer.EXE
PID 2800 set thread context of 3000	2800	explorer.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
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

1252 schtasks.exe

pid	process
1252	schtasks.exe

Suspicious behavior: EnumeratesProcesses 49 IoCs

Processes:

CC2107139144.exeCC2107139144.exepowershell.exeexplorer.exe

pid	process
2780	CC2107139144.exe
2780	CC2107139144.exe
2704	CC2107139144.exe
2704	CC2107139144.exe
3752	powershell.exe
2704	CC2107139144.exe
2704	CC2107139144.exe
3752	powershell.exe
3752	powershell.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe
2800	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3000 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

CC2107139144.exeexplorer.exe

pid process

2704 CC2107139144.exe
2704 CC2107139144.exe
2704 CC2107139144.exe
2800 explorer.exe
2800 explorer.exe

pid	process
3000	Explorer.EXE

pid	process
2704	CC2107139144.exe
2704	CC2107139144.exe
2704	CC2107139144.exe
2800	explorer.exe
2800	explorer.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

CC2107139144.exepowershell.exeCC2107139144.exeexplorer.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2780	CC2107139144.exe
Token: SeDebugPrivilege	3752	powershell.exe
Token: SeDebugPrivilege	2704	CC2107139144.exe
Token: SeDebugPrivilege	2800	explorer.exe
Token: SeShutdownPrivilege	3000	Explorer.EXE
Token: SeCreatePagefilePrivilege	3000	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

CC2107139144.exeExplorer.EXEexplorer.exe

description	pid	process	target process
PID 2780 wrote to memory of 3752	2780	CC2107139144.exe	powershell.exe
PID 2780 wrote to memory of 3752	2780	CC2107139144.exe	powershell.exe
PID 2780 wrote to memory of 3752	2780	CC2107139144.exe	powershell.exe
PID 2780 wrote to memory of 1252	2780	CC2107139144.exe	schtasks.exe
PID 2780 wrote to memory of 1252	2780	CC2107139144.exe	schtasks.exe
PID 2780 wrote to memory of 1252	2780	CC2107139144.exe	schtasks.exe
PID 2780 wrote to memory of 2704	2780	CC2107139144.exe	CC2107139144.exe
PID 2780 wrote to memory of 2704	2780	CC2107139144.exe	CC2107139144.exe
PID 2780 wrote to memory of 2704	2780	CC2107139144.exe	CC2107139144.exe
PID 2780 wrote to memory of 2704	2780	CC2107139144.exe	CC2107139144.exe
PID 2780 wrote to memory of 2704	2780	CC2107139144.exe	CC2107139144.exe
PID 2780 wrote to memory of 2704	2780	CC2107139144.exe	CC2107139144.exe
PID 3000 wrote to memory of 2800	3000	Explorer.EXE	explorer.exe
PID 3000 wrote to memory of 2800	3000	Explorer.EXE	explorer.exe
PID 3000 wrote to memory of 2800	3000	Explorer.EXE	explorer.exe
PID 2800 wrote to memory of 1168	2800	explorer.exe	cmd.exe
PID 2800 wrote to memory of 1168	2800	explorer.exe	cmd.exe
PID 2800 wrote to memory of 1168	2800	explorer.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3000

C:\Users\Admin\AppData\Local\Temp\CC2107139144.exe
"C:\Users\Admin\AppData\Local\Temp\CC2107139144.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2780

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\syYqoKuzIfgUfe.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3752

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\syYqoKuzIfgUfe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEFAB.tmp"
3⤵
- Creates scheduled task(s)
PID:1252

C:\Users\Admin\AppData\Local\Temp\CC2107139144.exe
"C:\Users\Admin\AppData\Local\Temp\CC2107139144.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2704

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2800

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\CC2107139144.exe"
3⤵
PID:1168

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpEFAB.tmp
MD5
2606a06ceee201a6554cb1aa3410c4bc

SHA1
e2acc2ba718d8274922232036497d6fcd9f18c1e

SHA256
4e7a40a5cc0ab3fcedcb897cec97fc2615cfc925a34852fac6278874efea8af5

SHA512
1fd57cab43096fadf3f85eed2773d56ce7342a2e32a985fd7918a07ef2fa78fea30d1a0888e3e58cf3d6ae91497e43812cff3397036f075d71f8788826741c49

Download Submit
memory/2704-138-0x0000000001130000-0x0000000001450000-memory.dmp

Filesize
3.1MB

Download
memory/2704-128-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2704-134-0x0000000000C30000-0x0000000000D7A000-memory.dmp

Filesize
1.3MB

Download
memory/2780-118-0x0000000005420000-0x000000000542A000-memory.dmp

Filesize
40KB

Download
memory/2780-120-0x0000000005700000-0x000000000579C000-memory.dmp

Filesize
624KB

Download
memory/2780-121-0x0000000005A60000-0x0000000005A6E000-memory.dmp

Filesize
56KB

Download
memory/2780-122-0x000000007E5D0000-0x000000007E5D1000-memory.dmp

Filesize
4KB

Download
memory/2780-123-0x00000000063C0000-0x000000000646C000-memory.dmp

Filesize
688KB

Download
memory/2780-119-0x00000000053A0000-0x0000000005432000-memory.dmp

Filesize
584KB

Download
memory/2780-115-0x0000000000B20000-0x0000000000BFC000-memory.dmp

Filesize
880KB

Download
memory/2780-117-0x0000000005440000-0x00000000054D2000-memory.dmp

Filesize
584KB

Download
memory/2780-116-0x0000000005A70000-0x0000000005F6E000-memory.dmp

Filesize
5.0MB

Download
memory/2800-151-0x00000000048F0000-0x0000000004C10000-memory.dmp

Filesize
3.1MB

Download
memory/2800-149-0x0000000000380000-0x00000000007BF000-memory.dmp

Filesize
4.2MB

Download
memory/2800-232-0x0000000004750000-0x00000000048E7000-memory.dmp

Filesize
1.6MB

Download
memory/2800-150-0x00000000002C0000-0x00000000002EF000-memory.dmp

Filesize
188KB

Download
memory/3000-233-0x00000000059A0000-0x0000000005B0B000-memory.dmp

Filesize
1.4MB

Download
memory/3000-136-0x0000000005880000-0x000000000599E000-memory.dmp

Filesize
1.1MB

Download
memory/3752-129-0x0000000006EB0000-0x00000000074D8000-memory.dmp

Filesize
6.2MB

Download
memory/3752-154-0x0000000008DC0000-0x0000000008DF3000-memory.dmp

Filesize
204KB

Download
memory/3752-139-0x0000000007810000-0x0000000007B60000-memory.dmp

Filesize
3.3MB

Download
memory/3752-140-0x0000000007620000-0x000000000763C000-memory.dmp

Filesize
112KB

Download
memory/3752-141-0x0000000007C30000-0x0000000007C7B000-memory.dmp

Filesize
300KB

Download
memory/3752-142-0x0000000007F80000-0x0000000007FF6000-memory.dmp

Filesize
472KB

Download
memory/3752-137-0x0000000004502000-0x0000000004503000-memory.dmp

Filesize
4KB

Download
memory/3752-135-0x00000000076A0000-0x0000000007706000-memory.dmp

Filesize
408KB

Download
memory/3752-127-0x00000000043E0000-0x0000000004416000-memory.dmp

Filesize
216KB

Download
memory/3752-133-0x0000000007550000-0x00000000075B6000-memory.dmp

Filesize
408KB

Download
memory/3752-155-0x0000000008DA0000-0x0000000008DBE000-memory.dmp

Filesize
120KB

Download
memory/3752-160-0x0000000008EF0000-0x0000000008F95000-memory.dmp

Filesize
660KB

Download
memory/3752-161-0x000000007E570000-0x000000007E571000-memory.dmp

Filesize
4KB

Download
memory/3752-162-0x0000000004503000-0x0000000004504000-memory.dmp

Filesize
4KB

Download
memory/3752-163-0x00000000092D0000-0x0000000009364000-memory.dmp

Filesize
592KB

Download
memory/3752-130-0x0000000006D40000-0x0000000006D62000-memory.dmp

Filesize
136KB

Download
memory/3752-132-0x0000000004500000-0x0000000004501000-memory.dmp

Filesize
4KB

Download
memory/3752-358-0x00000000091D0000-0x00000000091EA000-memory.dmp

Filesize
104KB

Download
memory/3752-363-0x00000000091C0000-0x00000000091C8000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads