formbook | 2b1539eebb7c85895026ddcd1e0b062c0d9783d90c7f86236f64f42c2e8d81ea

General

Target

Rechnungszahlung.com.exe
Size

416KB
MD5

a40d9c6f964664b6b5a3ec4ed532df6c
SHA1

4c1b1a2a6610c2f262c41112364e6629d11eb7f9
SHA256

2b1539eebb7c85895026ddcd1e0b062c0d9783d90c7f86236f64f42c2e8d81ea
SHA512

be4f84af50a13e4527d0da3c4ec91aae2ea2ee52e40066699fae1a11265f734d21c84b59c6ab58219014755c33ceb1b92ff13580b09b475644b40673231652b6

Score

10^/10

formbook dn7r rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn7r

C2

http://www.yourherogarden.net/dn7r/

Decoy

eventphotographerdfw.com

thehalalcoinstaking.com

philipfaziofineart.com

intercoh.com

gaiaseyephotography.com

chatbotforrealestate.com

lovelancemg.com

marlieskasberger.com

elcongoenespanol.info

lepirecredit.com

distribution-concept.com

e99game.com

exit11festival.com

twodollartoothbrushclub.com

cocktailsandlawn.com

performimprove.network

24horas-telefono-11840.com

cosmossify.com

kellenleote.com

perovskite.energy

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/2636-115-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2636-116-0x000000000041F200-mapping.dmp	formbook
behavioral2/memory/1292-124-0x0000000002D60000-0x0000000002D8F000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

Processes:

Rechnungszahlung.com.exe

pid process

516 Rechnungszahlung.com.exe

pid	process
516	Rechnungszahlung.com.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Rechnungszahlung.com.exeRechnungszahlung.com.exewscript.exe

description	pid	process	target process
PID 516 set thread context of 2636	516	Rechnungszahlung.com.exe	Rechnungszahlung.com.exe
PID 2636 set thread context of 1964	2636	Rechnungszahlung.com.exe	Explorer.EXE
PID 1292 set thread context of 1964	1292	wscript.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 56 IoCs

Processes:

Rechnungszahlung.com.exewscript.exe

pid	process
2636	Rechnungszahlung.com.exe
2636	Rechnungszahlung.com.exe
2636	Rechnungszahlung.com.exe
2636	Rechnungszahlung.com.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe
1292	wscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1964 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Rechnungszahlung.com.exewscript.exe

pid process

2636 Rechnungszahlung.com.exe
2636 Rechnungszahlung.com.exe
2636 Rechnungszahlung.com.exe
1292 wscript.exe
1292 wscript.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Rechnungszahlung.com.exewscript.exe

description pid process

Token: SeDebugPrivilege 2636 Rechnungszahlung.com.exe
Token: SeDebugPrivilege 1292 wscript.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

1964 Explorer.EXE

pid	process
1964	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2636	Rechnungszahlung.com.exe
Token: SeDebugPrivilege	1292	wscript.exe

pid	process
1964	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Rechnungszahlung.com.exeExplorer.EXEwscript.exe

description	pid	process	target process
PID 516 wrote to memory of 2636	516	Rechnungszahlung.com.exe	Rechnungszahlung.com.exe
PID 516 wrote to memory of 2636	516	Rechnungszahlung.com.exe	Rechnungszahlung.com.exe
PID 516 wrote to memory of 2636	516	Rechnungszahlung.com.exe	Rechnungszahlung.com.exe
PID 516 wrote to memory of 2636	516	Rechnungszahlung.com.exe	Rechnungszahlung.com.exe
PID 516 wrote to memory of 2636	516	Rechnungszahlung.com.exe	Rechnungszahlung.com.exe
PID 516 wrote to memory of 2636	516	Rechnungszahlung.com.exe	Rechnungszahlung.com.exe
PID 1964 wrote to memory of 1292	1964	Explorer.EXE	wscript.exe
PID 1964 wrote to memory of 1292	1964	Explorer.EXE	wscript.exe
PID 1964 wrote to memory of 1292	1964	Explorer.EXE	wscript.exe
PID 1292 wrote to memory of 844	1292	wscript.exe	cmd.exe
PID 1292 wrote to memory of 844	1292	wscript.exe	cmd.exe
PID 1292 wrote to memory of 844	1292	wscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1964

C:\Users\Admin\AppData\Local\Temp\Rechnungszahlung.com.exe
"C:\Users\Admin\AppData\Local\Temp\Rechnungszahlung.com.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:516

C:\Users\Admin\AppData\Local\Temp\Rechnungszahlung.com.exe
"C:\Users\Admin\AppData\Local\Temp\Rechnungszahlung.com.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2636

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1292

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Rechnungszahlung.com.exe"
3⤵
PID:844

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsmB1D.tmp\xztemc.dll
MD5
9c1dba61231005537c4154af2d66b50a

SHA1
8a51892b643ace4c1a99b45e5b03df795b8bb984

SHA256
4f46b2449a7bd7a664b9328f240fc3bfa522e36918a0b672bec3015761d0b67d

SHA512
cd2fbf5b0a67885cd20dfb2fda999c0d9136d34e3c90745d39acf54a5bcf943e8eeb9ea9a53aa179f10aebec84e360582bdaa81604b879a05ef20813533c0ab7

Download Submit
memory/844-122-0x0000000000000000-mapping.dmp

Download
memory/1292-123-0x00000000002E0000-0x0000000000307000-memory.dmp

Filesize
156KB

Download
memory/1292-121-0x0000000000000000-mapping.dmp

Download
memory/1292-124-0x0000000002D60000-0x0000000002D8F000-memory.dmp

Filesize
188KB

Download
memory/1292-125-0x00000000048E0000-0x0000000004C00000-memory.dmp

Filesize
3.1MB

Download
memory/1292-126-0x0000000004640000-0x00000000046D4000-memory.dmp

Filesize
592KB

Download
memory/1964-120-0x00000000069F0000-0x0000000006B5D000-memory.dmp

Filesize
1.4MB

Download
memory/1964-127-0x00000000070A0000-0x0000000007202000-memory.dmp

Filesize
1.4MB

Download
memory/2636-119-0x0000000000900000-0x0000000000915000-memory.dmp

Filesize
84KB

Download
memory/2636-118-0x0000000000940000-0x0000000000C60000-memory.dmp

Filesize
3.1MB

Download
memory/2636-116-0x000000000041F200-mapping.dmp

Download
memory/2636-115-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads