formbook | 5978ce4905969580753f948beb8265a13d133cf29f9ddb206475a7f06f8fc885

General

Target

000040021.exe
Size

179KB
MD5

6f6f64b82c949798ec80ecddea570ba9
SHA1

9895fe43bf8b037ec9110294e681410f419cf64b
SHA256

5978ce4905969580753f948beb8265a13d133cf29f9ddb206475a7f06f8fc885
SHA512

263308644df6dfc89d2466646ec7fda1092150128af96b8c62050c1b30f8ee0f8b0fa4ed03a375f2c78e5f5926e7b043db65b9a8b484b1d5a88760bb628e6cc6

Score

10^/10

formbook netwire oh75 botnet persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

oh75

Decoy

denizgidam.com

6cc06.com

charlottewaldburgzeil.com

medijanus.com

qingdaoyiersan.com

datcabilgisayar.xyz

111439d.com

xn--1ruo40k.com

wu6enxwcx5h3.xyz

vnscloud.net

brtka.xyz

showztime.com

promocoesdedezenbro.com

wokpy.com

chnowuk.online

rockshotscafe.com

pelrjy.com

nato-riness.com

feixiang-chem.com

thcoinexchange.com

Extracted

Family

netwire

C2

127.0.0.1:3360

212.192.246.209:141

Attributes

activex_autorun
false
activex_key
copy_executable
false
delete_original
false
host_id
04-22
install_path
keylogger_dir
lock_executable
false
mutex
offline_keylogger
false
password
123456
registry_autorun
false
startup_name
�k
use_mutex
false

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

NetWire RAT payload 8 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1164-96-0x0000000000400000-0x0000000000444000-memory.dmp	netwire
behavioral1/memory/1164-97-0x0000000000400000-0x0000000000444000-memory.dmp	netwire
behavioral1/memory/1164-100-0x0000000000400000-0x0000000000444000-memory.dmp	netwire
behavioral1/memory/1164-99-0x0000000000400000-0x0000000000444000-memory.dmp	netwire
behavioral1/memory/1164-101-0x0000000000400000-0x0000000000444000-memory.dmp	netwire
behavioral1/memory/1164-102-0x00000000004014C0-mapping.dmp	netwire
behavioral1/memory/1164-106-0x0000000000400000-0x0000000000444000-memory.dmp	netwire
behavioral1/memory/1164-107-0x0000000000400000-0x0000000000444000-memory.dmp	netwire

Netwire
Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.
botnet stealer netwire

Formbook Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/676-69-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/676-70-0x000000000041F0F0-mapping.dmp	formbook
behavioral1/memory/676-72-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1248-80-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

Processes:

Kyxlubuhi.exeKyxlubuhi.exe

pid process

1124 Kyxlubuhi.exe
1164 Kyxlubuhi.exe
Loads dropped DLL 2 IoCs

Processes:

000040021.exeKyxlubuhi.exe

pid process

1276 000040021.exe
1124 Kyxlubuhi.exe

pid	process
1124	Kyxlubuhi.exe
1164	Kyxlubuhi.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

000040021.exeKyxlubuhi.exeKyxlubuhi.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\Aoev = "\"C:\\Users\\Admin\\AppData\\Roaming\\Nakgjel\\Aoev.exe\""	000040021.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\Aoev = "\"C:\\Users\\Admin\\AppData\\Roaming\\Nakgjel\\Aoev.exe\""	Kyxlubuhi.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	Kyxlubuhi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\‚k = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Kyxlubuhi.exe"	Kyxlubuhi.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

000040021.exeInstallUtil.execolorcpl.exeKyxlubuhi.exe

description	pid	process	target process
PID 1276 set thread context of 676	1276	000040021.exe	InstallUtil.exe
PID 676 set thread context of 1352	676	InstallUtil.exe	Explorer.EXE
PID 1248 set thread context of 1352	1248	colorcpl.exe	Explorer.EXE
PID 1124 set thread context of 1164	1124	Kyxlubuhi.exe	Kyxlubuhi.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Delays execution with timeout.exe 2 IoCs
evasion

Processes:

timeout.exetimeout.exe

pid process

2024 timeout.exe
1716 timeout.exe

pid	process
2024	timeout.exe
1716	timeout.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

000040021.exeInstallUtil.execolorcpl.exeKyxlubuhi.exe

pid	process
1276	000040021.exe
676	InstallUtil.exe
676	InstallUtil.exe
1248	colorcpl.exe
1248	colorcpl.exe
1248	colorcpl.exe
1248	colorcpl.exe
1248	colorcpl.exe
1124	Kyxlubuhi.exe
1248	colorcpl.exe
1248	colorcpl.exe
1248	colorcpl.exe
1248	colorcpl.exe
1248	colorcpl.exe
1248	colorcpl.exe
1248	colorcpl.exe
1248	colorcpl.exe
1248	colorcpl.exe
1248	colorcpl.exe
1248	colorcpl.exe
1248	colorcpl.exe
1248	colorcpl.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

InstallUtil.execolorcpl.exe

pid process

676 InstallUtil.exe
676 InstallUtil.exe
676 InstallUtil.exe
1248 colorcpl.exe
1248 colorcpl.exe

pid	process
676	InstallUtil.exe
676	InstallUtil.exe
676	InstallUtil.exe
1248	colorcpl.exe
1248	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

000040021.exeInstallUtil.execolorcpl.exeKyxlubuhi.exe

description	pid	process
Token: SeDebugPrivilege	1276	000040021.exe
Token: SeDebugPrivilege	676	InstallUtil.exe
Token: SeDebugPrivilege	1248	colorcpl.exe
Token: SeDebugPrivilege	1124	Kyxlubuhi.exe

Suspicious use of WriteProcessMemory 51 IoCs

Processes:

000040021.execmd.exeExplorer.EXEcolorcpl.exeKyxlubuhi.execmd.exe

description	pid	process	target process
PID 1276 wrote to memory of 1756	1276	000040021.exe	cmd.exe
PID 1276 wrote to memory of 1756	1276	000040021.exe	cmd.exe
PID 1276 wrote to memory of 1756	1276	000040021.exe	cmd.exe
PID 1276 wrote to memory of 1756	1276	000040021.exe	cmd.exe
PID 1756 wrote to memory of 2024	1756	cmd.exe	timeout.exe
PID 1756 wrote to memory of 2024	1756	cmd.exe	timeout.exe
PID 1756 wrote to memory of 2024	1756	cmd.exe	timeout.exe
PID 1756 wrote to memory of 2024	1756	cmd.exe	timeout.exe
PID 1276 wrote to memory of 1124	1276	000040021.exe	Kyxlubuhi.exe
PID 1276 wrote to memory of 1124	1276	000040021.exe	Kyxlubuhi.exe
PID 1276 wrote to memory of 1124	1276	000040021.exe	Kyxlubuhi.exe
PID 1276 wrote to memory of 1124	1276	000040021.exe	Kyxlubuhi.exe
PID 1276 wrote to memory of 676	1276	000040021.exe	InstallUtil.exe
PID 1276 wrote to memory of 676	1276	000040021.exe	InstallUtil.exe
PID 1276 wrote to memory of 676	1276	000040021.exe	InstallUtil.exe
PID 1276 wrote to memory of 676	1276	000040021.exe	InstallUtil.exe
PID 1276 wrote to memory of 676	1276	000040021.exe	InstallUtil.exe
PID 1276 wrote to memory of 676	1276	000040021.exe	InstallUtil.exe
PID 1276 wrote to memory of 676	1276	000040021.exe	InstallUtil.exe
PID 1276 wrote to memory of 676	1276	000040021.exe	InstallUtil.exe
PID 1276 wrote to memory of 676	1276	000040021.exe	InstallUtil.exe
PID 1276 wrote to memory of 676	1276	000040021.exe	InstallUtil.exe
PID 1352 wrote to memory of 1248	1352	Explorer.EXE	colorcpl.exe
PID 1352 wrote to memory of 1248	1352	Explorer.EXE	colorcpl.exe
PID 1352 wrote to memory of 1248	1352	Explorer.EXE	colorcpl.exe
PID 1352 wrote to memory of 1248	1352	Explorer.EXE	colorcpl.exe
PID 1248 wrote to memory of 1344	1248	colorcpl.exe	cmd.exe
PID 1248 wrote to memory of 1344	1248	colorcpl.exe	cmd.exe
PID 1248 wrote to memory of 1344	1248	colorcpl.exe	cmd.exe
PID 1248 wrote to memory of 1344	1248	colorcpl.exe	cmd.exe
PID 1124 wrote to memory of 1884	1124	Kyxlubuhi.exe	cmd.exe
PID 1124 wrote to memory of 1884	1124	Kyxlubuhi.exe	cmd.exe
PID 1124 wrote to memory of 1884	1124	Kyxlubuhi.exe	cmd.exe
PID 1124 wrote to memory of 1884	1124	Kyxlubuhi.exe	cmd.exe
PID 1884 wrote to memory of 1716	1884	cmd.exe	timeout.exe
PID 1884 wrote to memory of 1716	1884	cmd.exe	timeout.exe
PID 1884 wrote to memory of 1716	1884	cmd.exe	timeout.exe
PID 1884 wrote to memory of 1716	1884	cmd.exe	timeout.exe
PID 1124 wrote to memory of 1164	1124	Kyxlubuhi.exe	Kyxlubuhi.exe
PID 1124 wrote to memory of 1164	1124	Kyxlubuhi.exe	Kyxlubuhi.exe
PID 1124 wrote to memory of 1164	1124	Kyxlubuhi.exe	Kyxlubuhi.exe
PID 1124 wrote to memory of 1164	1124	Kyxlubuhi.exe	Kyxlubuhi.exe
PID 1124 wrote to memory of 1164	1124	Kyxlubuhi.exe	Kyxlubuhi.exe
PID 1124 wrote to memory of 1164	1124	Kyxlubuhi.exe	Kyxlubuhi.exe
PID 1124 wrote to memory of 1164	1124	Kyxlubuhi.exe	Kyxlubuhi.exe
PID 1124 wrote to memory of 1164	1124	Kyxlubuhi.exe	Kyxlubuhi.exe
PID 1124 wrote to memory of 1164	1124	Kyxlubuhi.exe	Kyxlubuhi.exe
PID 1124 wrote to memory of 1164	1124	Kyxlubuhi.exe	Kyxlubuhi.exe
PID 1124 wrote to memory of 1164	1124	Kyxlubuhi.exe	Kyxlubuhi.exe
PID 1124 wrote to memory of 1164	1124	Kyxlubuhi.exe	Kyxlubuhi.exe
PID 1124 wrote to memory of 1164	1124	Kyxlubuhi.exe	Kyxlubuhi.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1352

C:\Users\Admin\AppData\Local\Temp\000040021.exe
"C:\Users\Admin\AppData\Local\Temp\000040021.exe"
2⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1276

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 10
3⤵
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\SysWOW64\timeout.exe
timeout 10
4⤵
- Delays execution with timeout.exe
PID:2024

C:\Users\Admin\AppData\Local\Temp\Kyxlubuhi.exe
"C:\Users\Admin\AppData\Local\Temp\Kyxlubuhi.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1124

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 10
4⤵
- Suspicious use of WriteProcessMemory
PID:1884

C:\Windows\SysWOW64\timeout.exe
timeout 10
5⤵
- Delays execution with timeout.exe
PID:1716

C:\Users\Admin\AppData\Local\Temp\Kyxlubuhi.exe
C:\Users\Admin\AppData\Local\Temp\Kyxlubuhi.exe
4⤵
- Executes dropped EXE
- Adds Run key to start application
PID:1164

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:676

C:\Windows\SysWOW64\colorcpl.exe
"C:\Windows\SysWOW64\colorcpl.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1248

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
3⤵
PID:1344

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Kyxlubuhi.exe
Filesize
179KB

MD5
12c5bc1a739dfd4e5a54c0a1b47daff6

SHA1
e4d994d9a61824ada303d54448d2d384484a961c

SHA256
3ccf4ad2172cb3a4e39fbdb1692673d3d4e06541dff20bc896e033f2caeac28a

SHA512
e58795819fe73952529cee7f18a80bbfd0575d15b71b1a07e79e6832faf477653b718d70e881db43933876aaa58d723ad2f57479ce1dd327979a43185f9859dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\Kyxlubuhi.exe
Filesize
179KB

MD5
12c5bc1a739dfd4e5a54c0a1b47daff6

SHA1
e4d994d9a61824ada303d54448d2d384484a961c

SHA256
3ccf4ad2172cb3a4e39fbdb1692673d3d4e06541dff20bc896e033f2caeac28a

SHA512
e58795819fe73952529cee7f18a80bbfd0575d15b71b1a07e79e6832faf477653b718d70e881db43933876aaa58d723ad2f57479ce1dd327979a43185f9859dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\Kyxlubuhi.exe
Filesize
179KB

MD5
12c5bc1a739dfd4e5a54c0a1b47daff6

SHA1
e4d994d9a61824ada303d54448d2d384484a961c

SHA256
3ccf4ad2172cb3a4e39fbdb1692673d3d4e06541dff20bc896e033f2caeac28a

SHA512
e58795819fe73952529cee7f18a80bbfd0575d15b71b1a07e79e6832faf477653b718d70e881db43933876aaa58d723ad2f57479ce1dd327979a43185f9859dc

Download Submit
C:\Users\Admin\AppData\Roaming\Nakgjel\Aoev.exe
Filesize
179KB

MD5
12c5bc1a739dfd4e5a54c0a1b47daff6

SHA1
e4d994d9a61824ada303d54448d2d384484a961c

SHA256
3ccf4ad2172cb3a4e39fbdb1692673d3d4e06541dff20bc896e033f2caeac28a

SHA512
e58795819fe73952529cee7f18a80bbfd0575d15b71b1a07e79e6832faf477653b718d70e881db43933876aaa58d723ad2f57479ce1dd327979a43185f9859dc

Download Submit
\Users\Admin\AppData\Local\Temp\Kyxlubuhi.exe
Filesize
179KB

MD5
12c5bc1a739dfd4e5a54c0a1b47daff6

SHA1
e4d994d9a61824ada303d54448d2d384484a961c

SHA256
3ccf4ad2172cb3a4e39fbdb1692673d3d4e06541dff20bc896e033f2caeac28a

SHA512
e58795819fe73952529cee7f18a80bbfd0575d15b71b1a07e79e6832faf477653b718d70e881db43933876aaa58d723ad2f57479ce1dd327979a43185f9859dc

Download Submit
\Users\Admin\AppData\Local\Temp\Kyxlubuhi.exe
Filesize
179KB

MD5
12c5bc1a739dfd4e5a54c0a1b47daff6

SHA1
e4d994d9a61824ada303d54448d2d384484a961c

SHA256
3ccf4ad2172cb3a4e39fbdb1692673d3d4e06541dff20bc896e033f2caeac28a

SHA512
e58795819fe73952529cee7f18a80bbfd0575d15b71b1a07e79e6832faf477653b718d70e881db43933876aaa58d723ad2f57479ce1dd327979a43185f9859dc

Download Submit
memory/676-69-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/676-73-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/676-74-0x00000000001E0000-0x00000000001F4000-memory.dmp

Filesize
80KB

Download
memory/676-72-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/676-70-0x000000000041F0F0-mapping.dmp

Download
memory/676-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/676-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1124-88-0x0000000004620000-0x0000000004668000-memory.dmp

Filesize
288KB

Download
memory/1124-84-0x0000000006330000-0x0000000006474000-memory.dmp

Filesize
1.3MB

Download
memory/1124-63-0x0000000000350000-0x0000000000382000-memory.dmp

Filesize
200KB

Download
memory/1124-60-0x0000000000000000-mapping.dmp

Download
memory/1164-91-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1164-90-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1164-107-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1164-106-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1164-102-0x00000000004014C0-mapping.dmp

Download
memory/1164-101-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1164-99-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1164-100-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1164-97-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1164-96-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1164-94-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1164-93-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1248-82-0x0000000001DA0000-0x0000000001E33000-memory.dmp

Filesize
588KB

Download
memory/1248-81-0x0000000001E80000-0x0000000002183000-memory.dmp

Filesize
3.0MB

Download
memory/1248-76-0x0000000000000000-mapping.dmp

Download
memory/1248-79-0x00000000008D0000-0x00000000008E8000-memory.dmp

Filesize
96KB

Download
memory/1248-80-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/1276-54-0x0000000000DD0000-0x0000000000E02000-memory.dmp

Filesize
200KB

Download
memory/1276-65-0x0000000004EB0000-0x0000000004EFC000-memory.dmp

Filesize
304KB

Download
memory/1276-55-0x0000000076C01000-0x0000000076C03000-memory.dmp

Filesize
8KB

Download
memory/1276-56-0x0000000007F60000-0x00000000080F8000-memory.dmp

Filesize
1.6MB

Download
memory/1344-78-0x0000000000000000-mapping.dmp

Download
memory/1352-83-0x00000000049F0000-0x0000000004A97000-memory.dmp

Filesize
668KB

Download
memory/1352-75-0x0000000004F40000-0x0000000005014000-memory.dmp

Filesize
848KB

Download
memory/1716-86-0x0000000000000000-mapping.dmp

Download
memory/1756-57-0x0000000000000000-mapping.dmp

Download
memory/1884-85-0x0000000000000000-mapping.dmp

Download
memory/2024-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads