formbook | 3290889312a146f7ed60102439cb580f84057c98c530c31cae7461b2764f5ad4

General

Target

tmp.exe
Size

249KB
MD5

f020e4ab9dacdc83e6b1a4537b5338bc
SHA1

2006686a3a91ed7892cffc9b1bc68c57d59118b3
SHA256

3290889312a146f7ed60102439cb580f84057c98c530c31cae7461b2764f5ad4
SHA512

b959b9b3cebd08a09dddad4933be828a3ce4d45269d64121cb2009898e2cc0508fd36ee7b3bb1dc00ed32ca7071d59a0173b3d17ac88184b8a083ef64820585a
SSDEEP

6144:/Ya6BvdSq4hdciqjFhWgbFGj9xyD9LDRHOW4zVQ60HIV0yLP:/YLFL4hdcfjGj9xyVFOPWyz

Score

10^/10

formbook xloader poub loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

poub

Decoy

WY0eksfISzRg4O6c+opnGL6gaw==

moRjn9ExtYi8UmUo+Tya

2vME+GedoxzFnuLXesUoVj4=

EvW4JWJ1NQ8nN3tA3SM=

2mK9efMZMgN1VOs=

8d0jua5b0J6AQEW7

/2cyThOd37DSTYMASDye4Q0t/Vs=

ral+tbIh2KKAQEW7

YLY9jsPtYB/FRmMo+Tya

R1WcElWAMtFxFrVqtZT2ZpIS9xRZNho=

KFXGg/T1pCC9GjrxUPTcjw==

8mMlK5nDwjjPFTP5jMtAtQ0t/Vs=

c7am8nhhlCo=

UW91trZj6dENxuRdpxOvW1Cf

sjOMUcvq6lYJCZEfV4euFzY=

62nBgPjdmWQkmWElww==

64E8JqA1aruSUvw=

NqI1reXpcR+REye0

8+y1oOsbjgSyEhjXUPTcjw==

Rx9by8gNBwN1VOs=

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1896-139-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/3968-146-0x0000000000420000-0x000000000044C000-memory.dmp	xloader
behavioral2/memory/3968-150-0x0000000000420000-0x000000000044C000-memory.dmp	xloader

Executes dropped EXE 2 IoCs

Processes:

ozggicxy.exeozggicxy.exe

pid process

3556 ozggicxy.exe
1896 ozggicxy.exe

pid	process
3556	ozggicxy.exe
1896	ozggicxy.exe

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:

ozggicxy.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	ozggicxy.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

ozggicxy.exeozggicxy.exemsdt.exe

description	pid	process	target process
PID 3556 set thread context of 1896	3556	ozggicxy.exe	ozggicxy.exe
PID 1896 set thread context of 3052	1896	ozggicxy.exe	Explorer.EXE
PID 3968 set thread context of 3052	3968	msdt.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

Suspicious behavior: EnumeratesProcesses 38 IoCs

Processes:

ozggicxy.exemsdt.exe

pid	process
1896	ozggicxy.exe
1896	ozggicxy.exe
1896	ozggicxy.exe
1896	ozggicxy.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe
3968	msdt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3052 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

ozggicxy.exeozggicxy.exemsdt.exe

pid process

3556 ozggicxy.exe
1896 ozggicxy.exe
1896 ozggicxy.exe
1896 ozggicxy.exe
3968 msdt.exe
3968 msdt.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ozggicxy.exemsdt.exe

description pid process

Token: SeDebugPrivilege 1896 ozggicxy.exe
Token: SeDebugPrivilege 3968 msdt.exe

pid	process
3052	Explorer.EXE

pid	process
3556	ozggicxy.exe
1896	ozggicxy.exe
1896	ozggicxy.exe
1896	ozggicxy.exe
3968	msdt.exe
3968	msdt.exe

description	pid	process
Token: SeDebugPrivilege	1896	ozggicxy.exe
Token: SeDebugPrivilege	3968	msdt.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

tmp.exeozggicxy.exeExplorer.EXEmsdt.exe

description	pid	process	target process
PID 1492 wrote to memory of 3556	1492	tmp.exe	ozggicxy.exe
PID 1492 wrote to memory of 3556	1492	tmp.exe	ozggicxy.exe
PID 1492 wrote to memory of 3556	1492	tmp.exe	ozggicxy.exe
PID 3556 wrote to memory of 1896	3556	ozggicxy.exe	ozggicxy.exe
PID 3556 wrote to memory of 1896	3556	ozggicxy.exe	ozggicxy.exe
PID 3556 wrote to memory of 1896	3556	ozggicxy.exe	ozggicxy.exe
PID 3556 wrote to memory of 1896	3556	ozggicxy.exe	ozggicxy.exe
PID 3052 wrote to memory of 3968	3052	Explorer.EXE	msdt.exe
PID 3052 wrote to memory of 3968	3052	Explorer.EXE	msdt.exe
PID 3052 wrote to memory of 3968	3052	Explorer.EXE	msdt.exe
PID 3968 wrote to memory of 5084	3968	msdt.exe	cmd.exe
PID 3968 wrote to memory of 5084	3968	msdt.exe	cmd.exe
PID 3968 wrote to memory of 5084	3968	msdt.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3052

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1492

C:\Users\Admin\AppData\Local\Temp\ozggicxy.exe
"C:\Users\Admin\AppData\Local\Temp\ozggicxy.exe" C:\Users\Admin\AppData\Local\Temp\rznlc.m
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3556

C:\Users\Admin\AppData\Local\Temp\ozggicxy.exe
"C:\Users\Admin\AppData\Local\Temp\ozggicxy.exe"
4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1896

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3968

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\ozggicxy.exe"
3⤵
PID:5084

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nfekeauyiy.uih
Filesize
196KB

MD5
62db7e07dd4481e9b594a97c4b97281a

SHA1
0996af042cee334be6c8d71b689e1c3405dba59e

SHA256
e0ab3c275ba03990a2f28abd8f37f8ff078fb8dce7fb939c6029631a5b4018a6

SHA512
90823ffa0232b7c18bb927dfbd87f4e5220bcf8e23f55d6638ac6ca26c29341c2ed80b2039f3893323a315071f64c572cbee70f33dd9fa2c723465a6b476e23a

Download Submit
C:\Users\Admin\AppData\Local\Temp\ozggicxy.exe
Filesize
50KB

MD5
f73f9940d91bb012db1ea328b3897c82

SHA1
a2168931605a10f3604dc2c24504d82a51ab6e99

SHA256
2cd78183a6fca82b8e05a38466051f56529a1f5843cfd6bf7274ffe30e9abf57

SHA512
e74c2ac031aab4ede16a0b2525a22545b555c3e659fed10079a9921e3620e42b22f2052ec5f930519881a3b7e2dd1afbd0931d1696d99e516466314b90aa217a

Download Submit
C:\Users\Admin\AppData\Local\Temp\ozggicxy.exe
Filesize
50KB

MD5
f73f9940d91bb012db1ea328b3897c82

SHA1
a2168931605a10f3604dc2c24504d82a51ab6e99

SHA256
2cd78183a6fca82b8e05a38466051f56529a1f5843cfd6bf7274ffe30e9abf57

SHA512
e74c2ac031aab4ede16a0b2525a22545b555c3e659fed10079a9921e3620e42b22f2052ec5f930519881a3b7e2dd1afbd0931d1696d99e516466314b90aa217a

Download Submit
C:\Users\Admin\AppData\Local\Temp\ozggicxy.exe
Filesize
50KB

MD5
f73f9940d91bb012db1ea328b3897c82

SHA1
a2168931605a10f3604dc2c24504d82a51ab6e99

SHA256
2cd78183a6fca82b8e05a38466051f56529a1f5843cfd6bf7274ffe30e9abf57

SHA512
e74c2ac031aab4ede16a0b2525a22545b555c3e659fed10079a9921e3620e42b22f2052ec5f930519881a3b7e2dd1afbd0931d1696d99e516466314b90aa217a

Download Submit
C:\Users\Admin\AppData\Local\Temp\rznlc.m
Filesize
5KB

MD5
56075b8221603dd51f2e7cc79097c954

SHA1
0df59bf418b3398bb248b63ff834e7dea05596f0

SHA256
0775d03420d1805c24855734fdcbe12f7dc1d1bd150b345274495054b41576dc

SHA512
47bb8745800a315fb7f8b6717a70fa6b5c648309c02954bb41faccd29c42be7d8e6a1d1de1cae946e2893cb0660be93fd6487891364941279656723db004086c

Download Submit
memory/1896-141-0x00000000009F0000-0x0000000000A01000-memory.dmp

Filesize
68KB

Download
memory/1896-137-0x0000000000000000-mapping.dmp

Download
memory/1896-139-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1896-140-0x0000000000B10000-0x0000000000E5A000-memory.dmp

Filesize
3.3MB

Download
memory/3052-142-0x0000000008290000-0x000000000839A000-memory.dmp

Filesize
1.0MB

Download
memory/3052-149-0x00000000088B0000-0x00000000089C2000-memory.dmp

Filesize
1.1MB

Download
memory/3052-151-0x00000000088B0000-0x00000000089C2000-memory.dmp

Filesize
1.1MB

Download
memory/3556-132-0x0000000000000000-mapping.dmp

Download
memory/3968-143-0x0000000000000000-mapping.dmp

Download
memory/3968-145-0x00000000008B0000-0x0000000000907000-memory.dmp

Filesize
348KB

Download
memory/3968-146-0x0000000000420000-0x000000000044C000-memory.dmp

Filesize
176KB

Download
memory/3968-147-0x0000000002600000-0x000000000294A000-memory.dmp

Filesize
3.3MB

Download
memory/3968-148-0x0000000002330000-0x00000000023C0000-memory.dmp

Filesize
576KB

Download
memory/3968-150-0x0000000000420000-0x000000000044C000-memory.dmp

Filesize
176KB

Download
memory/5084-144-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads