3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8

Analysis

max time kernel
203s
max time network
180s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 05:51

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General

Target

3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8.exe
Size

442KB
MD5

ab901397b9b6c02b2f770db9eb3d2eed
SHA1

1d9288f6799af0c019bf23f94f1f67c037e069c2
SHA256

3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8
SHA512

a2e6a03aab85501c86de581372a9b842b5fb02362805a92e43ac3bde4e423c6cd98464a9f74ba3c6830776a93e5c5a567e8a26db161988389d099d9dc98cd9b9
SSDEEP

12288:JHICZ9iSCnm8B/Hw9pVKGCs64DVdZ3+8qFXTjt:JoC7ijwFKlVadZ3+8qNt

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-1-5-21-3406023954-474543476-3319432036-1000\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\1068014879 = "C:\\PROGRA~3\\msycqlzl.exe"	msiexec.exe

Blocklisted process makes network request 11 IoCs

Processes:

msiexec.exe

flow	pid	process
2	1364	msiexec.exe
3	1364	msiexec.exe
4	1364	msiexec.exe
5	1364	msiexec.exe
6	1364	msiexec.exe
7	1364	msiexec.exe
8	1364	msiexec.exe
9	1364	msiexec.exe
10	1364	msiexec.exe
11	1364	msiexec.exe
12	1364	msiexec.exe

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

Processes:

sf.exeab.exe

pid process

1640 sf.exe
1980 ab.exe
Loads dropped DLL 2 IoCs

Processes:

cmd.exeWScript.exe

pid process

1416 cmd.exe
304 WScript.exe
Drops file in Program Files directory 1 IoCs

Processes:

msiexec.exe

description ioc process

File opened for modification C:\PROGRA~3\msycqlzl.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

1980 ab.exe
1364 msiexec.exe
1364 msiexec.exe
692 cmd.exe

pid	process
1640	sf.exe
1980	ab.exe

pid	process
1416	cmd.exe
304	WScript.exe

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

Suspicious behavior: MapViewOfSection 27 IoCs

Processes:

ab.exemsiexec.exe

pid	process
1980	ab.exe
1980	ab.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe
1364	msiexec.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

ab.exemsiexec.execmd.exe

description	pid	process
Token: SeDebugPrivilege	1980	ab.exe
Token: SeBackupPrivilege	1980	ab.exe
Token: SeRestorePrivilege	1980	ab.exe
Token: SeDebugPrivilege	1364	msiexec.exe
Token: SeBackupPrivilege	1364	msiexec.exe
Token: SeRestorePrivilege	1364	msiexec.exe
Token: SeDebugPrivilege	692	cmd.exe
Token: SeBackupPrivilege	692	cmd.exe
Token: SeRestorePrivilege	692	cmd.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

AcroRd32.exe

pid process

1412 AcroRd32.exe
1412 AcroRd32.exe
1412 AcroRd32.exe
1412 AcroRd32.exe

pid	process
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe
1412	AcroRd32.exe

Suspicious use of WriteProcessMemory 63 IoCs

Processes:

3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8.exeWScript.execmd.execmd.exesf.exeWScript.exeab.exe

description	pid	process	target process
PID 1508 wrote to memory of 2000	1508	3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8.exe	cmd.exe
PID 1508 wrote to memory of 2000	1508	3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8.exe	cmd.exe
PID 1508 wrote to memory of 2000	1508	3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8.exe	cmd.exe
PID 1508 wrote to memory of 2000	1508	3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8.exe	cmd.exe
PID 1508 wrote to memory of 2000	1508	3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8.exe	cmd.exe
PID 1508 wrote to memory of 2000	1508	3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8.exe	cmd.exe
PID 1508 wrote to memory of 2000	1508	3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8.exe	cmd.exe
PID 1508 wrote to memory of 524	1508	3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8.exe	WScript.exe
PID 1508 wrote to memory of 524	1508	3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8.exe	WScript.exe
PID 1508 wrote to memory of 524	1508	3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8.exe	WScript.exe
PID 1508 wrote to memory of 524	1508	3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8.exe	WScript.exe
PID 1508 wrote to memory of 524	1508	3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8.exe	WScript.exe
PID 1508 wrote to memory of 524	1508	3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8.exe	WScript.exe
PID 1508 wrote to memory of 524	1508	3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8.exe	WScript.exe
PID 524 wrote to memory of 1416	524	WScript.exe	cmd.exe
PID 524 wrote to memory of 1416	524	WScript.exe	cmd.exe
PID 524 wrote to memory of 1416	524	WScript.exe	cmd.exe
PID 524 wrote to memory of 1416	524	WScript.exe	cmd.exe
PID 524 wrote to memory of 1416	524	WScript.exe	cmd.exe
PID 524 wrote to memory of 1416	524	WScript.exe	cmd.exe
PID 524 wrote to memory of 1416	524	WScript.exe	cmd.exe
PID 524 wrote to memory of 692	524	WScript.exe	cmd.exe
PID 524 wrote to memory of 692	524	WScript.exe	cmd.exe
PID 524 wrote to memory of 692	524	WScript.exe	cmd.exe
PID 524 wrote to memory of 692	524	WScript.exe	cmd.exe
PID 524 wrote to memory of 692	524	WScript.exe	cmd.exe
PID 524 wrote to memory of 692	524	WScript.exe	cmd.exe
PID 524 wrote to memory of 692	524	WScript.exe	cmd.exe
PID 692 wrote to memory of 1412	692	cmd.exe	AcroRd32.exe
PID 692 wrote to memory of 1412	692	cmd.exe	AcroRd32.exe
PID 692 wrote to memory of 1412	692	cmd.exe	AcroRd32.exe
PID 692 wrote to memory of 1412	692	cmd.exe	AcroRd32.exe
PID 692 wrote to memory of 1412	692	cmd.exe	AcroRd32.exe
PID 692 wrote to memory of 1412	692	cmd.exe	AcroRd32.exe
PID 692 wrote to memory of 1412	692	cmd.exe	AcroRd32.exe
PID 1416 wrote to memory of 1640	1416	cmd.exe	sf.exe
PID 1416 wrote to memory of 1640	1416	cmd.exe	sf.exe
PID 1416 wrote to memory of 1640	1416	cmd.exe	sf.exe
PID 1416 wrote to memory of 1640	1416	cmd.exe	sf.exe
PID 1416 wrote to memory of 1640	1416	cmd.exe	sf.exe
PID 1416 wrote to memory of 1640	1416	cmd.exe	sf.exe
PID 1416 wrote to memory of 1640	1416	cmd.exe	sf.exe
PID 1640 wrote to memory of 304	1640	sf.exe	WScript.exe
PID 1640 wrote to memory of 304	1640	sf.exe	WScript.exe
PID 1640 wrote to memory of 304	1640	sf.exe	WScript.exe
PID 1640 wrote to memory of 304	1640	sf.exe	WScript.exe
PID 1640 wrote to memory of 304	1640	sf.exe	WScript.exe
PID 1640 wrote to memory of 304	1640	sf.exe	WScript.exe
PID 1640 wrote to memory of 304	1640	sf.exe	WScript.exe
PID 304 wrote to memory of 1980	304	WScript.exe	ab.exe
PID 304 wrote to memory of 1980	304	WScript.exe	ab.exe
PID 304 wrote to memory of 1980	304	WScript.exe	ab.exe
PID 304 wrote to memory of 1980	304	WScript.exe	ab.exe
PID 304 wrote to memory of 1980	304	WScript.exe	ab.exe
PID 304 wrote to memory of 1980	304	WScript.exe	ab.exe
PID 304 wrote to memory of 1980	304	WScript.exe	ab.exe
PID 1980 wrote to memory of 1364	1980	ab.exe	msiexec.exe
PID 1980 wrote to memory of 1364	1980	ab.exe	msiexec.exe
PID 1980 wrote to memory of 1364	1980	ab.exe	msiexec.exe
PID 1980 wrote to memory of 1364	1980	ab.exe	msiexec.exe
PID 1980 wrote to memory of 1364	1980	ab.exe	msiexec.exe
PID 1980 wrote to memory of 1364	1980	ab.exe	msiexec.exe
PID 1980 wrote to memory of 1364	1980	ab.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8.exe
"C:\Users\Admin\AppData\Local\Temp\3eb93a561ba9bd10e985e8a5dc82414ee393e9cf0b6d098eb21dd2854b2cbbb8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1508

C:\WINDOWS\SysWOW64\cmd.exe
"C:\WINDOWS\system32\cmd.exe" /c rename C:\Users\Admin\AppData\Local\Temp\outside.gif outside.js
2⤵
PID:2000

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\outside.js"
2⤵
- Suspicious use of WriteProcessMemory
PID:524

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:1416

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:1640

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:304

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:1980

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:1364

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:692

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:1412

Network

MITRE ATT&CK Enterprise 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

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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/304-72-0x0000000000000000-mapping.dmp

Download
memory/524-58-0x0000000000000000-mapping.dmp

Download
memory/692-62-0x0000000000000000-mapping.dmp

Download
memory/692-90-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/1364-83-0x0000000000000000-mapping.dmp

Download
memory/1364-88-0x00000000000D0000-0x00000000000D5000-memory.dmp

Filesize
20KB

Download
memory/1364-91-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/1364-89-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/1364-87-0x0000000000B00000-0x0000000000B14000-memory.dmp

Filesize
80KB

Download
memory/1412-65-0x0000000000000000-mapping.dmp

Download
memory/1416-61-0x0000000000000000-mapping.dmp

Download
memory/1508-54-0x0000000075C81000-0x0000000075C83000-memory.dmp

Filesize
8KB

Download
memory/1640-69-0x0000000000000000-mapping.dmp

Download
memory/1980-85-0x0000000002080000-0x0000000002115000-memory.dmp

Filesize
596KB

Download
memory/1980-86-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/1980-81-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/1980-80-0x0000000002080000-0x0000000002115000-memory.dmp

Filesize
596KB

Download
memory/1980-77-0x0000000000000000-mapping.dmp

Download
memory/2000-55-0x0000000000000000-mapping.dmp

Download