f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4

General

Target

f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe
Size

2.0MB
MD5

90b72ddd3562fb66d36cb17a991755d8
SHA1

17c8754dadadf4fafc4925e64afe33077ea0375d
SHA256

f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4
SHA512

58eedf5b30520ba9b5e0a471bca99eef4b130add8cd0cfdbc22743f77d9d661761c34e19c9e46bbb3c4dc62a275874a5d3ce26f9f6c9464ecd87a48ab19182d8

Score

8^/10

macro persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

._cache_f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exeSynaptics.exe

pid process

904 ._cache_f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe
3116 Synaptics.exe

pid	process
904	._cache_f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe
3116	Synaptics.exe

Suspicious Office macro 1 IoCs

Office document equipped with macros.

macro

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\xJ59esIw.xlsm	office_macros

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\International\Geo\Nation	f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Modifies registry class 1 IoCs

Processes:

f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance	f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

Synaptics.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	Synaptics.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 5c000000010000000400000000080000090000000100000054000000305206082b0601050507030206082b06010505070303060a2b0601040182370a030406082b0601050507030406082b0601050507030606082b0601050507030706082b0601050507030106082b0601050507030853000000010000004300000030413022060c2b06010401b231010201050130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c0620000000100000020000000d7a7a0fb5d7e2731d771e9484ebcdef71d5f0c3e0a2948782bc83ee0ea699ef40b000000010000001c0000005300650063007400690067006f002000280041004100410029000000140000000100000014000000a0110a233e96f107ece2af29ef82a57fd030a4b41d00000001000000100000002e0d6875874a44c820912e85e964cfdb030000000100000014000000d1eb23a46d17d68fd92564c2f1f1601764d8e349200000000100000036040000308204323082031aa003020102020101300d06092a864886f70d0101050500307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c18414141204365727469666963617465205365727669636573301e170d3034303130313030303030305a170d3238313233313233353935395a307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c1841414120436572746966696361746520536572766963657330820122300d06092a864886f70d01010105000382010f003082010a0282010100be409df46ee1ea76871c4d45448ebe46c883069dc12afe181f8ee402faf3ab5d508a16310b9a06d0c57022cd492d5463ccb66e68460b53eacb4c24c0bc724eeaf115aef4549a120ac37ab23360e2da8955f32258f3dedccfef8386a28c944f9f68f29890468427c776bfe3cc352c8b5e07646582c048b0a891f9619f762050a891c766b5eb78620356f08a1a13ea31a31ea099fd38f6f62732586f07f56bb8fb142bafb7aaccd6635f738cda0599a838a8cb17783651ace99ef4783a8dcf0fd942e2980cab2f9f0e01deef9f9949f12ddfac744d1b98b547c5e529d1f99018c7629cbe83c7267b3e8a25c7c0dd9de6356810209d8fd8ded2c3849c0d5ee82fc90203010001a381c03081bd301d0603551d0e04160414a0110a233e96f107ece2af29ef82a57fd030a4b4300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff307b0603551d1f047430723038a036a0348632687474703a2f2f63726c2e636f6d6f646f63612e636f6d2f414141436572746966696361746553657276696365732e63726c3036a034a0328630687474703a2f2f63726c2e636f6d6f646f2e6e65742f414141436572746966696361746553657276696365732e63726c300d06092a864886f70d010105050003820101000856fc02f09be8ffa4fad67bc64480ce4fc4c5f60058cca6b6bc1449680476e8e6ee5dec020f60d68d50184f264e01e3e6b0a5eebfbc745441bffdfc12b8c74f5af48960057f60b7054af3f6f1c2bfc4b97486b62d7d6bccd2f346dd2fc6e06ac3c334032c7d96dd5ac20ea70a99c1058bab0c2ff35c3acf6c37550987de53406c58effcb6ab656e04f61bdc3ce05a15c69ed9f15948302165036cece92173ec9b03a1e037ada015188ffaba02cea72ca910132cd4e50826ab229760f8905e74d4a29a53bdf2a968e0a26ec2d76cb1a30f9ebfeb68e756f2aef2e32b383a0981b56b85d7be2ded3f1ab7b263e2f5622c82d46a004150f139839f95e93696986e	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2184 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

2184 EXCEL.EXE
2184 EXCEL.EXE
2184 EXCEL.EXE
2184 EXCEL.EXE
2184 EXCEL.EXE

pid	process
2184	EXCEL.EXE

pid	process
2184	EXCEL.EXE
2184	EXCEL.EXE
2184	EXCEL.EXE
2184	EXCEL.EXE
2184	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe

description	pid	process	target process
PID 1032 wrote to memory of 904	1032	f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe	._cache_f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe
PID 1032 wrote to memory of 904	1032	f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe	._cache_f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe
PID 1032 wrote to memory of 904	1032	f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe	._cache_f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe
PID 1032 wrote to memory of 3116	1032	f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe	Synaptics.exe
PID 1032 wrote to memory of 3116	1032	f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe	Synaptics.exe
PID 1032 wrote to memory of 3116	1032	f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe	Synaptics.exe

C:\Users\Admin\AppData\Local\Temp\f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe
"C:\Users\Admin\AppData\Local\Temp\f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1032

C:\Users\Admin\AppData\Local\Temp\._cache_f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe
"C:\Users\Admin\AppData\Local\Temp\._cache_f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe"
2⤵
- Executes dropped EXE
PID:904

C:\ProgramData\Synaptics\Synaptics.exe
"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
2⤵
- Executes dropped EXE
- Modifies system certificate store
PID:3116

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2184

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Synaptics\Synaptics.exe
MD5
43a7e715711bb06137658da0755448bc

SHA1
85bec3d2974470f17362777e2671b7c7d5d821bb

SHA256
7d80e715241ffd2111be8bf70f789f94b97940649b18897d5fb7cc95dbe736f4

SHA512
c0ac02788c11a4404e69a3b58442e6a6a1b640c5f156170e700caf8c004794de52affb5b6f15dc0df28695fd70a8be2a4a300725680087e6fbc5f135389152d1

Download Submit
C:\ProgramData\Synaptics\Synaptics.exe
MD5
43a7e715711bb06137658da0755448bc

SHA1
85bec3d2974470f17362777e2671b7c7d5d821bb

SHA256
7d80e715241ffd2111be8bf70f789f94b97940649b18897d5fb7cc95dbe736f4

SHA512
c0ac02788c11a4404e69a3b58442e6a6a1b640c5f156170e700caf8c004794de52affb5b6f15dc0df28695fd70a8be2a4a300725680087e6fbc5f135389152d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe
MD5
dd9794e57da1fd22d53ccf54a7ca36da

SHA1
59792484a17b5d1a6a449e05dee3bd8517addfa0

SHA256
b8c50f549386580f0059528543b2c0d5576460916651fd3c67e75c2cd0aca452

SHA512
4ea78dcf9ef88c443d04946c7ec59824eb288a5ead3b7207164033e2ac22b49cf085181086905eeea6b56ce61b8fa823ccb964be62970b9229fd19ad7922f0e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_f8cac500e5779aa213daf1193ff2833dcdef1c4536a07bf3dd6e343ccc6c92f4.exe
MD5
dd9794e57da1fd22d53ccf54a7ca36da

SHA1
59792484a17b5d1a6a449e05dee3bd8517addfa0

SHA256
b8c50f549386580f0059528543b2c0d5576460916651fd3c67e75c2cd0aca452

SHA512
4ea78dcf9ef88c443d04946c7ec59824eb288a5ead3b7207164033e2ac22b49cf085181086905eeea6b56ce61b8fa823ccb964be62970b9229fd19ad7922f0e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\xJ59esIw.xlsm
MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
memory/904-130-0x00000000053F0000-0x00000000058EE000-memory.dmp

Filesize
5.0MB

Download
memory/904-115-0x0000000000000000-mapping.dmp

Download
memory/904-122-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/904-124-0x0000000005350000-0x0000000005351000-memory.dmp

Filesize
4KB

Download
memory/904-131-0x00000000053F0000-0x00000000058EE000-memory.dmp

Filesize
5.0MB

Download
memory/904-126-0x00000000058F0000-0x00000000058F1000-memory.dmp

Filesize
4KB

Download
memory/904-127-0x0000000005490000-0x0000000005491000-memory.dmp

Filesize
4KB

Download
memory/904-128-0x00000000053F0000-0x00000000053F1000-memory.dmp

Filesize
4KB

Download
memory/904-129-0x0000000005660000-0x0000000005661000-memory.dmp

Filesize
4KB

Download
memory/1032-114-0x0000000002510000-0x0000000002511000-memory.dmp

Filesize
4KB

Download
memory/2184-121-0x00007FF673590000-0x00007FF676B46000-memory.dmp

Filesize
53.7MB

Download
memory/2184-132-0x00007FFC3AEC0000-0x00007FFC3AED0000-memory.dmp

Filesize
64KB

Download
memory/2184-133-0x00007FFC3AEC0000-0x00007FFC3AED0000-memory.dmp

Filesize
64KB

Download
memory/2184-134-0x00007FFC3AEC0000-0x00007FFC3AED0000-memory.dmp

Filesize
64KB

Download
memory/2184-135-0x00007FFC3AEC0000-0x00007FFC3AED0000-memory.dmp

Filesize
64KB

Download
memory/2184-138-0x00007FFC3AEC0000-0x00007FFC3AED0000-memory.dmp

Filesize
64KB

Download
memory/2184-139-0x00007FFC5C2A0000-0x00007FFC5D38E000-memory.dmp

Filesize
16.9MB

Download
memory/2184-140-0x00007FFC5A3A0000-0x00007FFC5C295000-memory.dmp

Filesize
31.0MB

Download
memory/3116-125-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/3116-118-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads