formbook | 5463db9a5e180df75642646615cfd6ff7598b9846718c2224f19c878ee01dc00

General

Target

4e256d3d4ddbcc9c1d2cfa57034a0d52.exe
Size

295KB
MD5

4e256d3d4ddbcc9c1d2cfa57034a0d52
SHA1

60ec184a1ab03af29341f093791e210202814f1c
SHA256

5463db9a5e180df75642646615cfd6ff7598b9846718c2224f19c878ee01dc00
SHA512

2e455bd66870778fc511515d3db4ae3b14d16374436cc4f6b70c182b42f2c70f977b9976194c1fb392f0ab28ebc4b7fd3ecec87fba279a541c6be396425fd79e
SSDEEP

6144:uj5zFdfKy5i+xc+tR5VwWmKH0LYlA8yjXeIIzls3GEioll+8zE7ev:efKy5p9tBmKUL0uhIoGEiQltEi

Score

10^/10

formbook i65a rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

i65a

Decoy

r00zzvD9uoqMkFT8XDSqPg==

iSMQDJ3Tyuj8KXflBw==

Gq+tYoFrGU/5B4gGNnzHNg==

wEwcynSwpynZKUFhqyIK

bw3PbrjowhAVJA==

TggEt9LuwhAVJA==

r0UqC6sxgcWN7vc=

0m+fwBgf0oyehByUtx51BsBkuj8=

dhtdWWyIhRatp2dpv8tPcJoQ

jTAw4/4TCwcXjpECXDSqPg==

aglx4nPPkGp/raeivGVOfzdbFIu4

+qXr4cAGtQJm7Mf6

sU2Dc4ySSKZJc2/L32pFRrq+NgA0Yi8=

E6ohOo2zadVgzLIfaWALaik=

wXwu0yo/KbNm7Mf6

EcoyojCJYKg1laCuBK+exkNbFIu4

bhZgFvj6yP+R4F+0/5S/oFMpAA==

rzlylCB1NIMabG2dzGQd

+5ngCKjwwhAVJA==

AMUtZrYh+0LPL/QyfSo=

Signatures

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

Suspicious use of SetThreadContext 4 IoCs

Processes:

4e256d3d4ddbcc9c1d2cfa57034a0d52.execvtres.exeexplorer.exe

description	pid	process	target process
PID 3420 set thread context of 2260	3420	4e256d3d4ddbcc9c1d2cfa57034a0d52.exe	cvtres.exe
PID 2260 set thread context of 3068	2260	cvtres.exe	Explorer.EXE
PID 2260 set thread context of 3068	2260	cvtres.exe	Explorer.EXE
PID 1040 set thread context of 3068	1040	explorer.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	explorer.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

cvtres.exeexplorer.exe

pid	process
2260	cvtres.exe
2260	cvtres.exe
2260	cvtres.exe
2260	cvtres.exe
2260	cvtres.exe
2260	cvtres.exe
2260	cvtres.exe
2260	cvtres.exe
2260	cvtres.exe
2260	cvtres.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe
1040	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3068 Explorer.EXE
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

cvtres.exeexplorer.exe

pid process

2260 cvtres.exe
2260 cvtres.exe
2260 cvtres.exe
2260 cvtres.exe
1040 explorer.exe
1040 explorer.exe
1040 explorer.exe
1040 explorer.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cvtres.exeexplorer.exe

description pid process

Token: SeDebugPrivilege 2260 cvtres.exe
Token: SeDebugPrivilege 1040 explorer.exe

pid	process
3068	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2260	cvtres.exe
Token: SeDebugPrivilege	1040	explorer.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

4e256d3d4ddbcc9c1d2cfa57034a0d52.exeExplorer.EXEexplorer.exe

description	pid	process	target process
PID 3420 wrote to memory of 2260	3420	4e256d3d4ddbcc9c1d2cfa57034a0d52.exe	cvtres.exe
PID 3420 wrote to memory of 2260	3420	4e256d3d4ddbcc9c1d2cfa57034a0d52.exe	cvtres.exe
PID 3420 wrote to memory of 2260	3420	4e256d3d4ddbcc9c1d2cfa57034a0d52.exe	cvtres.exe
PID 3420 wrote to memory of 2260	3420	4e256d3d4ddbcc9c1d2cfa57034a0d52.exe	cvtres.exe
PID 3420 wrote to memory of 2260	3420	4e256d3d4ddbcc9c1d2cfa57034a0d52.exe	cvtres.exe
PID 3420 wrote to memory of 2260	3420	4e256d3d4ddbcc9c1d2cfa57034a0d52.exe	cvtres.exe
PID 3068 wrote to memory of 1040	3068	Explorer.EXE	explorer.exe
PID 3068 wrote to memory of 1040	3068	Explorer.EXE	explorer.exe
PID 3068 wrote to memory of 1040	3068	Explorer.EXE	explorer.exe
PID 1040 wrote to memory of 5068	1040	explorer.exe	Firefox.exe
PID 1040 wrote to memory of 5068	1040	explorer.exe	Firefox.exe
PID 1040 wrote to memory of 5068	1040	explorer.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3068

C:\Users\Admin\AppData\Local\Temp\4e256d3d4ddbcc9c1d2cfa57034a0d52.exe
"C:\Users\Admin\AppData\Local\Temp\4e256d3d4ddbcc9c1d2cfa57034a0d52.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3420

C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2260

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1040

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:5068

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1040-148-0x0000000000000000-mapping.dmp

Download
memory/1040-156-0x0000000000EF0000-0x0000000000F1D000-memory.dmp

Filesize
180KB

Download
memory/1040-154-0x0000000002C70000-0x0000000002CFF000-memory.dmp

Filesize
572KB

Download
memory/1040-153-0x0000000002E40000-0x000000000318A000-memory.dmp

Filesize
3.3MB

Download
memory/1040-152-0x0000000000EF0000-0x0000000000F1D000-memory.dmp

Filesize
180KB

Download
memory/1040-151-0x0000000000180000-0x00000000005B3000-memory.dmp

Filesize
4.2MB

Download
memory/2260-141-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/2260-139-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2260-136-0x0000000000000000-mapping.dmp

Download
memory/2260-146-0x0000000001720000-0x0000000001730000-memory.dmp

Filesize
64KB

Download
memory/2260-137-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2260-142-0x0000000001870000-0x0000000001BBA000-memory.dmp

Filesize
3.3MB

Download
memory/2260-149-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2260-150-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/2260-143-0x00000000012B0000-0x00000000012C0000-memory.dmp

Filesize
64KB

Download
memory/2260-140-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3068-147-0x0000000007EF0000-0x0000000008039000-memory.dmp

Filesize
1.3MB

Download
memory/3068-155-0x0000000002AD0000-0x0000000002B9A000-memory.dmp

Filesize
808KB

Download
memory/3068-144-0x0000000007B00000-0x0000000007C52000-memory.dmp

Filesize
1.3MB

Download
memory/3068-157-0x0000000002AD0000-0x0000000002B9A000-memory.dmp

Filesize
808KB

Download
memory/3420-135-0x00000000006B0000-0x00000000006FE000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads