formbook | 4e9c670aeae2c526905f319b51586efaf20fca7844adbd0368f81abe052985b5

General

Target

付款副本 $44,620.exe
Size

288KB
MD5

f3cdb6d084eb1476923a99f04b868329
SHA1

943949819b8354ec72c6d7bc2990e60960cc983c
SHA256

53867ae1994d09f07b882ff96d80fc9d38b50e3aae70054985e07b20634ac14f
SHA512

d0d03f489f2163bb3b133bdc42b7b809ba88baeeeebe7541fca3380b59412ba88f87890e78c9fe5fb1398826f303f1d2b3f00e2cf98259a9a018409a7d2a2528
SSDEEP

6144:oQTBRm0/hGz940BNWWCmxKg5VzHUgaRv4w8DX4yyHO3APeyUqhIG:/Q0pKHGKKgzz0gaupYHO8eyUqZ

Score

10^/10

formbook dwdp rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

dwdp

Decoy

jPxWFTS1Rn/K/LD47WRRW7+Veuct8yc=

ke1Wv1l26dZZxDikX9dU3s6k8+w=

+vtNyVBkx8VMf5KCaIj8DYR5QyLJgQ==

GHXPhYzwXcKgZwqBb/kejm7rfobj

yalW64iE8+aXs70=

MD83dBR0KSF4fizgRhAM

Xti3uNm2JDWgssPgRhAM

X7gYbv5uJhpvjdI0Qg==

ydxGznbNJ3tCCLAX4arq4nweMuQ=

Ca+fvtST8OBbosPgRhAM

kG1QegD8mU/E/hLw1t0=

g9FFFjEC5C2IvR/BhbSrpw==

PCkpeg38W0aPdg1rav1DFnVASw==

vSq+xBf3qjY27H3yqepK+g+nOmOMc3m7

G7WYirSZS9EYob8=

WbEWaOVIAPlSNNc4LsfL53weMuQ=

hnyAvEY4n3rTKS4g5mHKxR0=

JN7b0uCqVrQydMl7JNw=

XTki/RASDK6BCW0q8sU=

DQMBWA9wJyOKqqGSmGHKxR0=

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Loads dropped DLL 1 IoCs

Processes:

systray.exe

pid process

320 systray.exe

pid	process
320	systray.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

付款副本 $44,620.execvtres.exesystray.exe

description	pid	process	target process
PID 1056 set thread context of 1924	1056	付款副本 $44,620.exe	cvtres.exe
PID 1924 set thread context of 1368	1924	cvtres.exe	Explorer.EXE
PID 320 set thread context of 1368	320	systray.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

systray.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	systray.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

cvtres.exesystray.exe

pid	process
1924	cvtres.exe
1924	cvtres.exe
1924	cvtres.exe
1924	cvtres.exe
320	systray.exe
320	systray.exe
320	systray.exe
320	systray.exe
320	systray.exe
320	systray.exe
320	systray.exe
320	systray.exe
320	systray.exe
320	systray.exe
320	systray.exe
320	systray.exe
320	systray.exe
320	systray.exe
320	systray.exe
320	systray.exe
320	systray.exe
320	systray.exe
320	systray.exe
320	systray.exe
320	systray.exe
320	systray.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1368 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

cvtres.exesystray.exe

pid process

1924 cvtres.exe
1924 cvtres.exe
1924 cvtres.exe
320 systray.exe
320 systray.exe
320 systray.exe
320 systray.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cvtres.exesystray.exe

description pid process

Token: SeDebugPrivilege 1924 cvtres.exe
Token: SeDebugPrivilege 320 systray.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1368 Explorer.EXE
1368 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1368 Explorer.EXE
1368 Explorer.EXE

pid	process
1368	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1924	cvtres.exe
Token: SeDebugPrivilege	320	systray.exe

pid	process
1368	Explorer.EXE
1368	Explorer.EXE

pid	process
1368	Explorer.EXE
1368	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

付款副本 $44,620.exeExplorer.EXEsystray.exe

description	pid	process	target process
PID 1056 wrote to memory of 1924	1056	付款副本 $44,620.exe	cvtres.exe
PID 1056 wrote to memory of 1924	1056	付款副本 $44,620.exe	cvtres.exe
PID 1056 wrote to memory of 1924	1056	付款副本 $44,620.exe	cvtres.exe
PID 1056 wrote to memory of 1924	1056	付款副本 $44,620.exe	cvtres.exe
PID 1056 wrote to memory of 1924	1056	付款副本 $44,620.exe	cvtres.exe
PID 1056 wrote to memory of 1924	1056	付款副本 $44,620.exe	cvtres.exe
PID 1056 wrote to memory of 1924	1056	付款副本 $44,620.exe	cvtres.exe
PID 1368 wrote to memory of 320	1368	Explorer.EXE	systray.exe
PID 1368 wrote to memory of 320	1368	Explorer.EXE	systray.exe
PID 1368 wrote to memory of 320	1368	Explorer.EXE	systray.exe
PID 1368 wrote to memory of 320	1368	Explorer.EXE	systray.exe
PID 320 wrote to memory of 1148	320	systray.exe	Firefox.exe
PID 320 wrote to memory of 1148	320	systray.exe	Firefox.exe
PID 320 wrote to memory of 1148	320	systray.exe	Firefox.exe
PID 320 wrote to memory of 1148	320	systray.exe	Firefox.exe
PID 320 wrote to memory of 1148	320	systray.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1368

C:\Users\Admin\AppData\Local\Temp\付款副本 $44,620.exe
"C:\Users\Admin\AppData\Local\Temp\付款副本 $44,620.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1056

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:1924

C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:320

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1148

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

\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
1.0MB

MD5
ce5c15b5092877974d5b6476ad1cb2d7

SHA1
76a6fc307d1524081cba1886d312df97c9dd658f

SHA256
1f1a186ea26bd2462ea2a9cf35a816b92caf0897fdf332af3a61569e0ba97b24

SHA512
bb9ced38c63d2a29e18c38f60020cfdf0161384cd4ad6328352626643becdf49f6b4bef47012391720344fdd8ad520aa802dcbbed15b5026d27eb93b0a839c90

Download Submit
memory/320-69-0x0000000000000000-mapping.dmp

Download
memory/320-75-0x0000000075A71000-0x0000000075A73000-memory.dmp

Filesize
8KB

Download
memory/320-73-0x0000000000900000-0x000000000098F000-memory.dmp

Filesize
572KB

Download
memory/320-72-0x0000000000AA0000-0x0000000000DA3000-memory.dmp

Filesize
3.0MB

Download
memory/320-71-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/320-70-0x0000000000E10000-0x0000000000E15000-memory.dmp

Filesize
20KB

Download
memory/1056-55-0x0000000000460000-0x000000000046C000-memory.dmp

Filesize
48KB

Download
memory/1056-56-0x0000000000570000-0x0000000000578000-memory.dmp

Filesize
32KB

Download
memory/1056-54-0x0000000000DB0000-0x0000000000DFA000-memory.dmp

Filesize
296KB

Download
memory/1368-74-0x0000000007150000-0x00000000072C7000-memory.dmp

Filesize
1.5MB

Download
memory/1368-76-0x0000000007150000-0x00000000072C7000-memory.dmp

Filesize
1.5MB

Download
memory/1368-68-0x0000000007020000-0x0000000007144000-memory.dmp

Filesize
1.1MB

Download
memory/1368-79-0x000007FF14AB0000-0x000007FF14ABA000-memory.dmp

Filesize
40KB

Download
memory/1368-78-0x000007FEF6600000-0x000007FEF6743000-memory.dmp

Filesize
1.3MB

Download
memory/1924-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1924-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1924-61-0x00000000004012B0-mapping.dmp

Download
memory/1924-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1924-57-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1924-65-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/1924-58-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1924-67-0x0000000000120000-0x0000000000130000-memory.dmp

Filesize
64KB

Download
memory/1924-66-0x00000000009C0000-0x0000000000CC3000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads