c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b

Analysis

max time kernel
156s
max time network
101s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 05:50

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General

Target

c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b.exe
Size

451KB
MD5

7d71041e47ea59cca6eb004ff189c4ba
SHA1

ec96e49e238bcd2f3aaf00c950fa7cdc70670750
SHA256

c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b
SHA512

5d869bacc87157bf132bbf247ba7af6990aa23d964c8e645702b427d268f35171907a5e280a3e2c9d0b0115d04a92ed6efcc64f967aae372ce7e46fe65a645fd
SSDEEP

12288:JHICZ9iSCnm8B/Hw9pVKGCs64DVdZ3+8qFXTjdJ:JoC7ijwFKlVadZ3+8qNdJ

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	msiexec.exe

UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

msiexec.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" msiexec.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	msiexec.exe

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\4211594711 = "C:\\PROGRA~3\\mskqt.exe"	msiexec.exe

Blocklisted process makes network request 11 IoCs

Processes:

msiexec.exe

flow	pid	process
2	1512	msiexec.exe
3	1512	msiexec.exe
4	1512	msiexec.exe
5	1512	msiexec.exe
6	1512	msiexec.exe
7	1512	msiexec.exe
8	1512	msiexec.exe
9	1512	msiexec.exe
10	1512	msiexec.exe
11	1512	msiexec.exe
12	1512	msiexec.exe

Disables taskbar notifications via registry modification
evasion
Executes dropped EXE 2 IoCs

Processes:

sf.exeab.exe

pid process

468 sf.exe
900 ab.exe
Loads dropped DLL 2 IoCs

Processes:

cmd.exeWScript.exe

pid process

1700 cmd.exe
1204 WScript.exe
Drops file in Program Files directory 1 IoCs

Processes:

msiexec.exe

description ioc process

File opened for modification C:\PROGRA~3\mskqt.exe msiexec.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 4 IoCs

Processes:

ab.exemsiexec.execmd.exe

pid process

900 ab.exe
1512 msiexec.exe
1512 msiexec.exe
1956 cmd.exe

pid	process
468	sf.exe
900	ab.exe

pid	process
1700	cmd.exe
1204	WScript.exe

description	ioc	process
File opened for modification	C:\PROGRA~3\mskqt.exe	msiexec.exe

Suspicious behavior: MapViewOfSection 25 IoCs

Processes:

ab.exemsiexec.exe

pid	process
900	ab.exe
900	ab.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe
1512	msiexec.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

ab.exemsiexec.execmd.exe

description	pid	process
Token: SeDebugPrivilege	900	ab.exe
Token: SeBackupPrivilege	900	ab.exe
Token: SeRestorePrivilege	900	ab.exe
Token: SeDebugPrivilege	1512	msiexec.exe
Token: SeBackupPrivilege	1512	msiexec.exe
Token: SeRestorePrivilege	1512	msiexec.exe
Token: SeDebugPrivilege	1956	cmd.exe
Token: SeBackupPrivilege	1956	cmd.exe
Token: SeRestorePrivilege	1956	cmd.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

AcroRd32.exe

pid process

1600 AcroRd32.exe
1600 AcroRd32.exe
1600 AcroRd32.exe
1600 AcroRd32.exe

pid	process
1600	AcroRd32.exe
1600	AcroRd32.exe
1600	AcroRd32.exe
1600	AcroRd32.exe

Suspicious use of WriteProcessMemory 63 IoCs

Processes:

c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b.exeWScript.execmd.execmd.exesf.exeWScript.exeab.exe

description	pid	process	target process
PID 1504 wrote to memory of 1324	1504	c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b.exe	cmd.exe
PID 1504 wrote to memory of 1324	1504	c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b.exe	cmd.exe
PID 1504 wrote to memory of 1324	1504	c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b.exe	cmd.exe
PID 1504 wrote to memory of 1324	1504	c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b.exe	cmd.exe
PID 1504 wrote to memory of 1324	1504	c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b.exe	cmd.exe
PID 1504 wrote to memory of 1324	1504	c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b.exe	cmd.exe
PID 1504 wrote to memory of 1324	1504	c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b.exe	cmd.exe
PID 1504 wrote to memory of 1936	1504	c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b.exe	WScript.exe
PID 1504 wrote to memory of 1936	1504	c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b.exe	WScript.exe
PID 1504 wrote to memory of 1936	1504	c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b.exe	WScript.exe
PID 1504 wrote to memory of 1936	1504	c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b.exe	WScript.exe
PID 1504 wrote to memory of 1936	1504	c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b.exe	WScript.exe
PID 1504 wrote to memory of 1936	1504	c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b.exe	WScript.exe
PID 1504 wrote to memory of 1936	1504	c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b.exe	WScript.exe
PID 1936 wrote to memory of 1700	1936	WScript.exe	cmd.exe
PID 1936 wrote to memory of 1700	1936	WScript.exe	cmd.exe
PID 1936 wrote to memory of 1700	1936	WScript.exe	cmd.exe
PID 1936 wrote to memory of 1700	1936	WScript.exe	cmd.exe
PID 1936 wrote to memory of 1700	1936	WScript.exe	cmd.exe
PID 1936 wrote to memory of 1700	1936	WScript.exe	cmd.exe
PID 1936 wrote to memory of 1700	1936	WScript.exe	cmd.exe
PID 1936 wrote to memory of 1956	1936	WScript.exe	cmd.exe
PID 1936 wrote to memory of 1956	1936	WScript.exe	cmd.exe
PID 1936 wrote to memory of 1956	1936	WScript.exe	cmd.exe
PID 1936 wrote to memory of 1956	1936	WScript.exe	cmd.exe
PID 1936 wrote to memory of 1956	1936	WScript.exe	cmd.exe
PID 1936 wrote to memory of 1956	1936	WScript.exe	cmd.exe
PID 1936 wrote to memory of 1956	1936	WScript.exe	cmd.exe
PID 1700 wrote to memory of 468	1700	cmd.exe	sf.exe
PID 1700 wrote to memory of 468	1700	cmd.exe	sf.exe
PID 1700 wrote to memory of 468	1700	cmd.exe	sf.exe
PID 1700 wrote to memory of 468	1700	cmd.exe	sf.exe
PID 1700 wrote to memory of 468	1700	cmd.exe	sf.exe
PID 1700 wrote to memory of 468	1700	cmd.exe	sf.exe
PID 1700 wrote to memory of 468	1700	cmd.exe	sf.exe
PID 1956 wrote to memory of 1600	1956	cmd.exe	AcroRd32.exe
PID 1956 wrote to memory of 1600	1956	cmd.exe	AcroRd32.exe
PID 1956 wrote to memory of 1600	1956	cmd.exe	AcroRd32.exe
PID 1956 wrote to memory of 1600	1956	cmd.exe	AcroRd32.exe
PID 1956 wrote to memory of 1600	1956	cmd.exe	AcroRd32.exe
PID 1956 wrote to memory of 1600	1956	cmd.exe	AcroRd32.exe
PID 1956 wrote to memory of 1600	1956	cmd.exe	AcroRd32.exe
PID 468 wrote to memory of 1204	468	sf.exe	WScript.exe
PID 468 wrote to memory of 1204	468	sf.exe	WScript.exe
PID 468 wrote to memory of 1204	468	sf.exe	WScript.exe
PID 468 wrote to memory of 1204	468	sf.exe	WScript.exe
PID 468 wrote to memory of 1204	468	sf.exe	WScript.exe
PID 468 wrote to memory of 1204	468	sf.exe	WScript.exe
PID 468 wrote to memory of 1204	468	sf.exe	WScript.exe
PID 1204 wrote to memory of 900	1204	WScript.exe	ab.exe
PID 1204 wrote to memory of 900	1204	WScript.exe	ab.exe
PID 1204 wrote to memory of 900	1204	WScript.exe	ab.exe
PID 1204 wrote to memory of 900	1204	WScript.exe	ab.exe
PID 1204 wrote to memory of 900	1204	WScript.exe	ab.exe
PID 1204 wrote to memory of 900	1204	WScript.exe	ab.exe
PID 1204 wrote to memory of 900	1204	WScript.exe	ab.exe
PID 900 wrote to memory of 1512	900	ab.exe	msiexec.exe
PID 900 wrote to memory of 1512	900	ab.exe	msiexec.exe
PID 900 wrote to memory of 1512	900	ab.exe	msiexec.exe
PID 900 wrote to memory of 1512	900	ab.exe	msiexec.exe
PID 900 wrote to memory of 1512	900	ab.exe	msiexec.exe
PID 900 wrote to memory of 1512	900	ab.exe	msiexec.exe
PID 900 wrote to memory of 1512	900	ab.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b.exe
"C:\Users\Admin\AppData\Local\Temp\c58e8a0d54cc3e19efe4bffecf610c721b853ce97a4e575219744dd05491d35b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1504

C:\WINDOWS\SysWOW64\cmd.exe
"C:\WINDOWS\system32\cmd.exe" /c rename C:\Users\Admin\AppData\Local\Temp\outside.gif outside.js
2⤵
PID:1324

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\outside.js"
2⤵
- Suspicious use of WriteProcessMemory
PID:1936

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\sf.exe -pGlue -dC:\Users\Admin\AppData\Local\Temp
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1700

C:\Users\Admin\AppData\Local\Temp\sf.exe
C:\Users\Admin\AppData\Local\Temp\sf.exe -pGlue -dC:\Users\Admin\AppData\Local\Temp
4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:468

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\inside.js"
5⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1204

C:\Users\Admin\AppData\Local\Temp\ab.exe
"C:\Users\Admin\AppData\Local\Temp\ab.exe" -dC:\Users\Admin\AppData\Local\Temp
6⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:900

C:\Windows\SysWOW64\msiexec.exe
C:\Windows\SysWOW64\msiexec.exe
7⤵
- Modifies visiblity of hidden/system files in Explorer
- UAC bypass
- Adds policy Run key to start application
- Blocklisted process makes network request
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1512

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\Shipping_Invoice.pdf -dC:\Users\Admin\AppData\Local\Temp
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1956

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Shipping_Invoice.pdf"
4⤵
- Suspicious use of SetWindowsHookEx
PID:1600

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Shipping_Invoice.pdf
Filesize
9KB

MD5
998acb522b47bbfe95f9954d17aa9918

SHA1
e351952afc397d6e127784fe692cf4259e1c6189

SHA256
409e472b667ae747942e10d4dc691796c3b2eb00a0e407146e69b2f8205de40c

SHA512
be047cc246765384f0a484759849d75ac32edbfcd6d5f4a7b96e9a63f2afedd5ff5386db038885455f1736c450b57b9c2e9b9242b740c3560677a35432a3f760

Download Submit
C:\Users\Admin\AppData\Local\Temp\ab.exe
Filesize
139KB

MD5
d7a7d31b679ef0b85847cc6001cd024f

SHA1
2a648ebc0a3acb54aa2a4a109936c3e84fc6cd39

SHA256
39af3f7f7a5f8cd5671fb83e122236070248361b284defa6476d5751f697ff66

SHA512
12d56566114d299ba3f38eebf0ffca1ce7c6ab5d12352dc23f89ae516194379992f098e7b2a5d53fc0c93fab17b512449894f82678c4391b4285cb1896c59741

Download Submit
C:\Users\Admin\AppData\Local\Temp\ab.exe
Filesize
139KB

MD5
d7a7d31b679ef0b85847cc6001cd024f

SHA1
2a648ebc0a3acb54aa2a4a109936c3e84fc6cd39

SHA256
39af3f7f7a5f8cd5671fb83e122236070248361b284defa6476d5751f697ff66

SHA512
12d56566114d299ba3f38eebf0ffca1ce7c6ab5d12352dc23f89ae516194379992f098e7b2a5d53fc0c93fab17b512449894f82678c4391b4285cb1896c59741

Download Submit
C:\Users\Admin\AppData\Local\Temp\inside.js
Filesize
81B

MD5
60eb46dd81c28a274d8f2aef1bc557fa

SHA1
902d992c6b245a70a84632608122e976d561c09d

SHA256
df58a069bd5d2b98275dd124dc72de12ff5fccfb86eeb698c7a63ae9875da026

SHA512
1ded12c5aca377c289d412c6f8ed6903dbaaf5de3413b94cb8b57eef7913d84a3d115426267fa5e48e5277b902f67840a9362283d1cc6e8cb87648c2a8c20633

Download Submit
C:\Users\Admin\AppData\Local\Temp\outside.gif
Filesize
972B

MD5
0ee537f176cfd99964a85186db06d302

SHA1
77aa74fb3a14b56fe35964f4042f8d39dccf1684

SHA256
d7714fab24c3c172b2c3e9a0a6fd155deb4911c041528f4c0289b601f06a559f

SHA512
dbd7a68b30202301f6958f0c4927b010148a1877bbc02961dde8a65154ff9bfce421e375e859f6524b4b834af716e02271b221d58f5036f172c3529c5723c38f

Download Submit
C:\Users\Admin\AppData\Local\Temp\sf.exe
Filesize
277KB

MD5
8716ac6ce445a226080763da7df57f00

SHA1
5e29e26b90b409041770236205f521e8722aa0df

SHA256
12850970a3b394cc59e88e4cb2a5ebf2319d4d5c27312ec7cd9d50188d83cd6c

SHA512
558e13f998da96164fa8fabee5e596dfb89b2492ff64b27d6ea873ff9eb6ac00cd1a33bfee55720351a20d6b26c65613474e2ff1c555faec8bec4447d4c0d354

Download Submit
C:\Users\Admin\AppData\Local\Temp\sf.exe
Filesize
277KB

MD5
8716ac6ce445a226080763da7df57f00

SHA1
5e29e26b90b409041770236205f521e8722aa0df

SHA256
12850970a3b394cc59e88e4cb2a5ebf2319d4d5c27312ec7cd9d50188d83cd6c

SHA512
558e13f998da96164fa8fabee5e596dfb89b2492ff64b27d6ea873ff9eb6ac00cd1a33bfee55720351a20d6b26c65613474e2ff1c555faec8bec4447d4c0d354

Download Submit
C:\Users\Admin\AppData\Local\Temp\sf.png
Filesize
277KB

MD5
c04a4315c0ba40acaee4c345304b9278

SHA1
edbe6baa536fdf0b1946df6d88e4004c8d32eb2b

SHA256
c017fea199a5182078c98d716697a31d90c80f13df8b610ef36fa1feff4051c7

SHA512
23c2b53feeaca042b2f3ac47d9dba820e4c57bad1f4c008087cd5937565a50cabb42ec08414bfb8a31897c4e93f6164dee02840289efbfd2ed4e78bb91b69271

Download Submit
\Users\Admin\AppData\Local\Temp\ab.exe
Filesize
139KB

MD5
d7a7d31b679ef0b85847cc6001cd024f

SHA1
2a648ebc0a3acb54aa2a4a109936c3e84fc6cd39

SHA256
39af3f7f7a5f8cd5671fb83e122236070248361b284defa6476d5751f697ff66

SHA512
12d56566114d299ba3f38eebf0ffca1ce7c6ab5d12352dc23f89ae516194379992f098e7b2a5d53fc0c93fab17b512449894f82678c4391b4285cb1896c59741

Download Submit
\Users\Admin\AppData\Local\Temp\sf.exe
Filesize
277KB

MD5
8716ac6ce445a226080763da7df57f00

SHA1
5e29e26b90b409041770236205f521e8722aa0df

SHA256
12850970a3b394cc59e88e4cb2a5ebf2319d4d5c27312ec7cd9d50188d83cd6c

SHA512
558e13f998da96164fa8fabee5e596dfb89b2492ff64b27d6ea873ff9eb6ac00cd1a33bfee55720351a20d6b26c65613474e2ff1c555faec8bec4447d4c0d354

Download Submit
memory/468-67-0x0000000000000000-mapping.dmp

Download
memory/900-80-0x00000000020E0000-0x0000000002175000-memory.dmp

Filesize
596KB

Download
memory/900-75-0x0000000000000000-mapping.dmp

Download
memory/900-84-0x00000000020E0000-0x0000000002175000-memory.dmp

Filesize
596KB

Download
memory/900-81-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/1204-70-0x0000000000000000-mapping.dmp

Download
memory/1324-55-0x0000000000000000-mapping.dmp

Download
memory/1504-54-0x00000000768A1000-0x00000000768A3000-memory.dmp

Filesize
8KB

Download
memory/1512-85-0x0000000000CD0000-0x0000000000CE4000-memory.dmp

Filesize
80KB

Download
memory/1512-82-0x0000000000000000-mapping.dmp

Download
memory/1512-86-0x0000000000090000-0x0000000000095000-memory.dmp

Filesize
20KB

Download
memory/1512-87-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/1512-90-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/1600-77-0x0000000000000000-mapping.dmp

Download
memory/1700-61-0x0000000000000000-mapping.dmp

Download
memory/1936-58-0x0000000000000000-mapping.dmp

Download
memory/1956-63-0x0000000000000000-mapping.dmp

Download
memory/1956-89-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download