formbook | 8875847986a8a0eba3944fcd86e67668ff3e2d60911cde5f712507ee46eff092

General

Target

lhDCR5RvXwLbWQu.exe
Size

903KB
MD5

66bbfd82c0b1bdd60dca1d71945b42c2
SHA1

467d4125a380f1672983c51f1a4706f039b890af
SHA256

780c4d3a33c89cd911190c17d7ba3ad69e5ddc66396762e4bef8ff67bd45b7b5
SHA512

ca85a5e898139ad5e437a66c99baee9c8408773a214d37df02bad4388f8d5ab30cb240985b8869c1e36d971c9615da236e90de20d3a3e091b13caded01fa2bbf
SSDEEP

12288:4SiJkBoxXIFykQzrAVZK3B6xNYUCSPGnsV9nJyJ+XwrwILkz4ZTyrhbjjq5jCkj4:37wWg4NtCSPGGkUNW2rJjq5uM4

Score

10^/10

formbook dy13 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dy13

Decoy

manga-house.com

kjsdhklssk51.xyz

b0ba138.xyz

bt365033.com

ccbsinc.net

mrwine.xyz

nrxkrd527o.xyz

hoshi.social

1912ai.com

serco2020.com

byfchfyr.xyz

imuschestvostorgov.online

austinheafey.com

mrdfa.club

883106.photos

profitablefxmarkets.com

taini00.net

brye.top

ginsm.com

sportglid.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Detects executables packed with SmartAssembly 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/4160-10-0x0000000008D60000-0x0000000008D6C000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly

resource	yara_rule
behavioral2/memory/4160-10-0x0000000008D60000-0x0000000008D6C000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Formbook payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2708-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2708-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3500-24-0x0000000000570000-0x000000000059F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

lhDCR5RvXwLbWQu.exelhDCR5RvXwLbWQu.exeraserver.exe

description	pid	process	target process
PID 4160 set thread context of 2708	4160	lhDCR5RvXwLbWQu.exe	lhDCR5RvXwLbWQu.exe
PID 2708 set thread context of 3424	2708	lhDCR5RvXwLbWQu.exe	Explorer.EXE
PID 3500 set thread context of 3424	3500	raserver.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 58 IoCs

Processes:

lhDCR5RvXwLbWQu.exelhDCR5RvXwLbWQu.exeraserver.exe

pid	process
4160	lhDCR5RvXwLbWQu.exe
4160	lhDCR5RvXwLbWQu.exe
2708	lhDCR5RvXwLbWQu.exe
2708	lhDCR5RvXwLbWQu.exe
2708	lhDCR5RvXwLbWQu.exe
2708	lhDCR5RvXwLbWQu.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe
3500	raserver.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

lhDCR5RvXwLbWQu.exeraserver.exe

pid process

2708 lhDCR5RvXwLbWQu.exe
2708 lhDCR5RvXwLbWQu.exe
2708 lhDCR5RvXwLbWQu.exe
3500 raserver.exe
3500 raserver.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

lhDCR5RvXwLbWQu.exelhDCR5RvXwLbWQu.exeraserver.exe

description pid process

Token: SeDebugPrivilege 4160 lhDCR5RvXwLbWQu.exe
Token: SeDebugPrivilege 2708 lhDCR5RvXwLbWQu.exe
Token: SeDebugPrivilege 3500 raserver.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3424 Explorer.EXE

pid	process
2708	lhDCR5RvXwLbWQu.exe
2708	lhDCR5RvXwLbWQu.exe
2708	lhDCR5RvXwLbWQu.exe
3500	raserver.exe
3500	raserver.exe

description	pid	process
Token: SeDebugPrivilege	4160	lhDCR5RvXwLbWQu.exe
Token: SeDebugPrivilege	2708	lhDCR5RvXwLbWQu.exe
Token: SeDebugPrivilege	3500	raserver.exe

pid	process
3424	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

lhDCR5RvXwLbWQu.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 4160 wrote to memory of 3380	4160	lhDCR5RvXwLbWQu.exe	lhDCR5RvXwLbWQu.exe
PID 4160 wrote to memory of 3380	4160	lhDCR5RvXwLbWQu.exe	lhDCR5RvXwLbWQu.exe
PID 4160 wrote to memory of 3380	4160	lhDCR5RvXwLbWQu.exe	lhDCR5RvXwLbWQu.exe
PID 4160 wrote to memory of 2708	4160	lhDCR5RvXwLbWQu.exe	lhDCR5RvXwLbWQu.exe
PID 4160 wrote to memory of 2708	4160	lhDCR5RvXwLbWQu.exe	lhDCR5RvXwLbWQu.exe
PID 4160 wrote to memory of 2708	4160	lhDCR5RvXwLbWQu.exe	lhDCR5RvXwLbWQu.exe
PID 4160 wrote to memory of 2708	4160	lhDCR5RvXwLbWQu.exe	lhDCR5RvXwLbWQu.exe
PID 4160 wrote to memory of 2708	4160	lhDCR5RvXwLbWQu.exe	lhDCR5RvXwLbWQu.exe
PID 4160 wrote to memory of 2708	4160	lhDCR5RvXwLbWQu.exe	lhDCR5RvXwLbWQu.exe
PID 3424 wrote to memory of 3500	3424	Explorer.EXE	raserver.exe
PID 3424 wrote to memory of 3500	3424	Explorer.EXE	raserver.exe
PID 3424 wrote to memory of 3500	3424	Explorer.EXE	raserver.exe
PID 3500 wrote to memory of 3980	3500	raserver.exe	cmd.exe
PID 3500 wrote to memory of 3980	3500	raserver.exe	cmd.exe
PID 3500 wrote to memory of 3980	3500	raserver.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3424

C:\Users\Admin\AppData\Local\Temp\lhDCR5RvXwLbWQu.exe
"C:\Users\Admin\AppData\Local\Temp\lhDCR5RvXwLbWQu.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4160

C:\Users\Admin\AppData\Local\Temp\lhDCR5RvXwLbWQu.exe
"C:\Users\Admin\AppData\Local\Temp\lhDCR5RvXwLbWQu.exe"
3⤵
PID:3380

C:\Users\Admin\AppData\Local\Temp\lhDCR5RvXwLbWQu.exe
"C:\Users\Admin\AppData\Local\Temp\lhDCR5RvXwLbWQu.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2708

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3500

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\lhDCR5RvXwLbWQu.exe"
3⤵
PID:3980

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2708-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2708-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2708-19-0x0000000001640000-0x0000000001655000-memory.dmp

Filesize
84KB

Download
memory/2708-16-0x00000000016B0000-0x00000000019FA000-memory.dmp

Filesize
3.3MB

Download
memory/3424-33-0x0000000008BE0000-0x0000000008CFC000-memory.dmp

Filesize
1.1MB

Download
memory/3424-30-0x0000000008BE0000-0x0000000008CFC000-memory.dmp

Filesize
1.1MB

Download
memory/3424-29-0x0000000008BE0000-0x0000000008CFC000-memory.dmp

Filesize
1.1MB

Download
memory/3424-26-0x0000000008A90000-0x0000000008BD2000-memory.dmp

Filesize
1.3MB

Download
memory/3424-20-0x0000000008A90000-0x0000000008BD2000-memory.dmp

Filesize
1.3MB

Download
memory/3500-24-0x0000000000570000-0x000000000059F000-memory.dmp

Filesize
188KB

Download
memory/3500-23-0x0000000000A50000-0x0000000000A6F000-memory.dmp

Filesize
124KB

Download
memory/3500-21-0x0000000000A50000-0x0000000000A6F000-memory.dmp

Filesize
124KB

Download
memory/4160-6-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download
memory/4160-7-0x00000000060F0000-0x000000000661C000-memory.dmp

Filesize
5.2MB

Download
memory/4160-15-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download
memory/4160-11-0x0000000008D80000-0x0000000008E04000-memory.dmp

Filesize
528KB

Download
memory/4160-10-0x0000000008D60000-0x0000000008D6C000-memory.dmp

Filesize
48KB

Download
memory/4160-9-0x0000000005600000-0x0000000005608000-memory.dmp

Filesize
32KB

Download
memory/4160-8-0x00000000055E0000-0x00000000055F2000-memory.dmp

Filesize
72KB

Download
memory/4160-12-0x0000000009260000-0x00000000092D6000-memory.dmp

Filesize
472KB

Download
memory/4160-0-0x00000000747FE000-0x00000000747FF000-memory.dmp

Filesize
4KB

Download
memory/4160-4-0x00000000052E0000-0x00000000052EA000-memory.dmp

Filesize
40KB

Download
memory/4160-5-0x0000000005440000-0x00000000054DC000-memory.dmp

Filesize
624KB

Download
memory/4160-3-0x0000000005140000-0x00000000051D2000-memory.dmp

Filesize
584KB

Download
memory/4160-2-0x0000000005610000-0x0000000005BB4000-memory.dmp

Filesize
5.6MB

Download
memory/4160-1-0x0000000000640000-0x0000000000728000-memory.dmp

Filesize
928KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads