formbook | 40acc1cfe1986fee292469e21c175d68bed0502f46af424d0cd8ec42e0ead72d

General

Target

d2.exe
Size

1.1MB
MD5

5092bff4eca423c90563e487762966b3
SHA1

bd929965aa556e4aeca7691d110690e742e68d1c
SHA256

40acc1cfe1986fee292469e21c175d68bed0502f46af424d0cd8ec42e0ead72d
SHA512

f0b8789b0e14252a9592f836d43223d5f920202c3b2c8ed2a3654430036ebd0145e815658d4cdcfddb8969d4a5834d95d53654a6fc7e73a3c71799f9fe1a75f3

Score

10^/10

formbook xloader loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.rizrvd.com/bw82/

Decoy

fundamentaliemef.com

gallerybrows.com

leadeligey.com

octoberx2.online

climaxnovels.com

gdsjgf.com

curateherstories.com

blacksailus.com

yjpps.com

gmobilet.com

fcoins.club

foreverlive2027.com

healthyfifties.com

wmarquezy.com

housebulb.com

thebabyfriendly.com

primajayaintiperkasa.com

learnplaychess.com

chrisbubser.digital

xn--avenr-wsa.com

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/1240-13-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/1240-14-0x000000000041CFF0-mapping.dmp	xloader
behavioral2/memory/1520-23-0x0000000000A00000-0x0000000000A28000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

d2.exed2.exesvchost.exe

description	pid	process	target process
PID 904 set thread context of 1240	904	d2.exe	d2.exe
PID 1240 set thread context of 2868	1240	d2.exe	Explorer.EXE
PID 1520 set thread context of 2868	1520	svchost.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 40 IoCs

Processes:

d2.exesvchost.exe

pid	process
1240	d2.exe
1240	d2.exe
1240	d2.exe
1240	d2.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe
1520	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

d2.exesvchost.exe

pid process

1240 d2.exe
1240 d2.exe
1240 d2.exe
1520 svchost.exe
1520 svchost.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

d2.exesvchost.exe

description pid process

Token: SeDebugPrivilege 1240 d2.exe
Token: SeDebugPrivilege 1520 svchost.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2868 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1240	d2.exe
Token: SeDebugPrivilege	1520	svchost.exe

pid	process
2868	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

d2.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 904 wrote to memory of 1240	904	d2.exe	d2.exe
PID 904 wrote to memory of 1240	904	d2.exe	d2.exe
PID 904 wrote to memory of 1240	904	d2.exe	d2.exe
PID 904 wrote to memory of 1240	904	d2.exe	d2.exe
PID 904 wrote to memory of 1240	904	d2.exe	d2.exe
PID 904 wrote to memory of 1240	904	d2.exe	d2.exe
PID 2868 wrote to memory of 1520	2868	Explorer.EXE	svchost.exe
PID 2868 wrote to memory of 1520	2868	Explorer.EXE	svchost.exe
PID 2868 wrote to memory of 1520	2868	Explorer.EXE	svchost.exe
PID 1520 wrote to memory of 1236	1520	svchost.exe	cmd.exe
PID 1520 wrote to memory of 1236	1520	svchost.exe	cmd.exe
PID 1520 wrote to memory of 1236	1520	svchost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2868

C:\Users\Admin\AppData\Local\Temp\d2.exe
"C:\Users\Admin\AppData\Local\Temp\d2.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:904

C:\Users\Admin\AppData\Local\Temp\d2.exe
"C:\Users\Admin\AppData\Local\Temp\d2.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1240

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1520

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\d2.exe"
3⤵
PID:1236

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/904-3-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

Filesize
4KB

Download
memory/904-5-0x0000000007D50000-0x0000000007D51000-memory.dmp

Filesize
4KB

Download
memory/904-6-0x00000000082F0000-0x00000000082F1000-memory.dmp

Filesize
4KB

Download
memory/904-7-0x0000000007E90000-0x0000000007E91000-memory.dmp

Filesize
4KB

Download
memory/904-8-0x0000000008060000-0x0000000008061000-memory.dmp

Filesize
4KB

Download
memory/904-9-0x00000000058A0000-0x00000000058A1000-memory.dmp

Filesize
4KB

Download
memory/904-10-0x0000000007FF0000-0x0000000007FF1000-memory.dmp

Filesize
4KB

Download
memory/904-11-0x0000000008AA0000-0x0000000008AC3000-memory.dmp

Filesize
140KB

Download
memory/904-12-0x0000000008DD0000-0x0000000008E39000-memory.dmp

Filesize
420KB

Download
memory/904-2-0x0000000073E00000-0x00000000744EE000-memory.dmp

Filesize
6.9MB

Download
memory/1236-21-0x0000000000000000-mapping.dmp

Download
memory/1240-13-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1240-18-0x0000000000DE0000-0x0000000000DF0000-memory.dmp

Filesize
64KB

Download
memory/1240-17-0x0000000001220000-0x0000000001540000-memory.dmp

Filesize
3.1MB

Download
memory/1240-14-0x000000000041CFF0-mapping.dmp

Download
memory/1520-20-0x0000000000000000-mapping.dmp

Download
memory/1520-23-0x0000000000A00000-0x0000000000A28000-memory.dmp

Filesize
160KB

Download
memory/1520-22-0x0000000000B00000-0x0000000000B0C000-memory.dmp

Filesize
48KB

Download
memory/1520-24-0x0000000003490000-0x00000000037B0000-memory.dmp

Filesize
3.1MB

Download
memory/1520-25-0x0000000003120000-0x00000000031AF000-memory.dmp

Filesize
572KB

Download
memory/2868-19-0x00000000024C0000-0x000000000258F000-memory.dmp

Filesize
828KB

Download
memory/2868-26-0x0000000005E20000-0x0000000005F53000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads