quasar | 2760a9f7cf2f6173b214a2309e2875a4ee1b6d301e2781ed1033dfbdc367e059

Analysis

max time kernel
155s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
03-06-2024 15:47

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General

Target

IncognitoExecutorPro.exe
Size

10.1MB
MD5

31bf96839daa9a6040bc08cdb08a14fb
SHA1

61b1b04ad917615bba369b269792df863c12658e
SHA256

2760a9f7cf2f6173b214a2309e2875a4ee1b6d301e2781ed1033dfbdc367e059
SHA512

f369cdf20cb44b0824f9a9ad2ade55c2eb068074af6470700d526a24f7b738062de67e7f05ee40a0641c5f193769502d59dd5167a4cf0e8f9c6f01ebeeddf56a
SSDEEP

196608:y6wZYKg9Sw7sghUuE1R1R9iVTdRUo/Rf7KG0ZLK+4eCA6Pt7R:5kwDh10RsFzUURTclC5t7

Score

10^/10

quasar office04 spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

0.tcp.eu.ngrok.io:14456

Mutex

2aabc0d2-2673-4473-9d8e-30b4863e718a

Attributes

encryption_key
91137B461EAD4C8D03DB7ED595191162855E87F2
install_name
DRIVER32.exe
log_directory
Logs
reconnect_delay
1000
startup_key
DRIVER32
subdirectory
SYSWOW

Signatures

Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar

Quasar payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\INCOGNITOEXEC.EXE	family_quasar
behavioral2/memory/3280-17-0x0000000000B20000-0x0000000000E44000-memory.dmp	family_quasar

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:

IncognitoExecutorPro.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	IncognitoExecutorPro.exe

Executes dropped EXE 4 IoCs

Processes:

INCOGNITOEXEC.EXESIGMAHACKS0.2.EXEtest.exeDRIVER32.exe

pid process

3280 INCOGNITOEXEC.EXE
1948 SIGMAHACKS0.2.EXE
2996 test.exe
3540 DRIVER32.exe

pid	process
3280	INCOGNITOEXEC.EXE
1948	SIGMAHACKS0.2.EXE
2996	test.exe
3540	DRIVER32.exe

Loads dropped DLL 17 IoCs

Processes:

test.exe

pid	process
2996	test.exe
2996	test.exe
2996	test.exe
2996	test.exe
2996	test.exe
2996	test.exe
2996	test.exe
2996	test.exe
2996	test.exe
2996	test.exe
2996	test.exe
2996	test.exe
2996	test.exe
2996	test.exe
2996	test.exe
2996	test.exe
2996	test.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service
T1102

Processes:

flow ioc

88 0.tcp.eu.ngrok.io
134 0.tcp.eu.ngrok.io
21 0.tcp.eu.ngrok.io

flow	ioc
88	0.tcp.eu.ngrok.io
134	0.tcp.eu.ngrok.io
21	0.tcp.eu.ngrok.io

Drops file in System32 directory 2 IoCs

Processes:

INCOGNITOEXEC.EXE

description	ioc	process
File created	C:\Windows\system32\SYSWOW\DRIVER32.exe	INCOGNITOEXEC.EXE
File opened for modification	C:\Windows\system32\SYSWOW\DRIVER32.exe	INCOGNITOEXEC.EXE

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

2176 schtasks.exe
4308 schtasks.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

INCOGNITOEXEC.EXEtest.exeDRIVER32.exe

description pid process

Token: SeDebugPrivilege 3280 INCOGNITOEXEC.EXE
Token: SeDebugPrivilege 2996 test.exe
Token: SeDebugPrivilege 3540 DRIVER32.exe

pid	process
2176	schtasks.exe
4308	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	3280	INCOGNITOEXEC.EXE
Token: SeDebugPrivilege	2996	test.exe
Token: SeDebugPrivilege	3540	DRIVER32.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

IncognitoExecutorPro.exeSIGMAHACKS0.2.EXEtest.exeINCOGNITOEXEC.EXEDRIVER32.exe

description	pid	process	target process
PID 3352 wrote to memory of 3280	3352	IncognitoExecutorPro.exe	INCOGNITOEXEC.EXE
PID 3352 wrote to memory of 3280	3352	IncognitoExecutorPro.exe	INCOGNITOEXEC.EXE
PID 3352 wrote to memory of 1948	3352	IncognitoExecutorPro.exe	SIGMAHACKS0.2.EXE
PID 3352 wrote to memory of 1948	3352	IncognitoExecutorPro.exe	SIGMAHACKS0.2.EXE
PID 1948 wrote to memory of 2996	1948	SIGMAHACKS0.2.EXE	test.exe
PID 1948 wrote to memory of 2996	1948	SIGMAHACKS0.2.EXE	test.exe
PID 2996 wrote to memory of 1264	2996	test.exe	cmd.exe
PID 2996 wrote to memory of 1264	2996	test.exe	cmd.exe
PID 3280 wrote to memory of 2176	3280	INCOGNITOEXEC.EXE	schtasks.exe
PID 3280 wrote to memory of 2176	3280	INCOGNITOEXEC.EXE	schtasks.exe
PID 3280 wrote to memory of 3540	3280	INCOGNITOEXEC.EXE	DRIVER32.exe
PID 3280 wrote to memory of 3540	3280	INCOGNITOEXEC.EXE	DRIVER32.exe
PID 3540 wrote to memory of 4308	3540	DRIVER32.exe	schtasks.exe
PID 3540 wrote to memory of 4308	3540	DRIVER32.exe	schtasks.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\IncognitoExecutorPro.exe
"C:\Users\Admin\AppData\Local\Temp\IncognitoExecutorPro.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3352

C:\Users\Admin\AppData\Local\Temp\INCOGNITOEXEC.EXE
"C:\Users\Admin\AppData\Local\Temp\INCOGNITOEXEC.EXE"
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3280

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "DRIVER32" /sc ONLOGON /tr "C:\Windows\system32\SYSWOW\DRIVER32.exe" /rl HIGHEST /f
3⤵
- Creates scheduled task(s)
PID:2176

C:\Windows\system32\SYSWOW\DRIVER32.exe
"C:\Windows\system32\SYSWOW\DRIVER32.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3540

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "DRIVER32" /sc ONLOGON /tr "C:\Windows\system32\SYSWOW\DRIVER32.exe" /rl HIGHEST /f
4⤵
- Creates scheduled task(s)
PID:4308

C:\Users\Admin\AppData\Local\Temp\SIGMAHACKS0.2.EXE
"C:\Users\Admin\AppData\Local\Temp\SIGMAHACKS0.2.EXE"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1948

C:\Users\Admin\AppData\Local\Temp\onefile_1948_133619033666221513\test.exe
"C:\Users\Admin\AppData\Local\Temp\SIGMAHACKS0.2.EXE"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2996

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c title Incognito v1.0.0b - public
4⤵
PID:1264

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3756 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
1⤵
PID:2300

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

T1102

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\INCOGNITOEXEC.EXE
Filesize
3.1MB

MD5
8a1bea902cd41d9d01b105daea8bc646

SHA1
034680adb1168f398801b02e919dc8a5a5dc39a0

SHA256
89ecbadbbeadf5e68d13e5ba7ab917d4829e684333e096cbb0d3550a08688418

SHA512
e8c5fbb6caedc2cfb34a53b10509722d1b04da592993a630c878a61d0bbee7c8afe779caa6d2307eac117110d38277da6ffa7f9353b08c4fb6b81e03c62587fb

Download Submit
C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\VCRUNTIME140_1.dll
Filesize
37KB

MD5
75e78e4bf561031d39f86143753400ff

SHA1
324c2a99e39f8992459495182677e91656a05206

SHA256
1758085a61527b427c4380f0c976d29a8bee889f2ac480c356a3f166433bf70e

SHA512
ce4daf46bce44a89d21308c63e2de8b757a23be2630360209c4a25eb13f1f66a04fbb0a124761a33bbf34496f2f2a02b8df159b4b62f1b6241e1dbfb0e5d9756

Download Submit
C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_bz2.pyd
Filesize
81KB

MD5
4101128e19134a4733028cfaafc2f3bb

SHA1
66c18b0406201c3cfbba6e239ab9ee3dbb3be07d

SHA256
5843872d5e2b08f138a71fe9ba94813afee59c8b48166d4a8eb0f606107a7e80

SHA512
4f2fc415026d7fd71c5018bc2ffdf37a5b835a417b9e5017261849e36d65375715bae148ce8f9649f9d807a63ac09d0fb270e4abae83dfa371d129953a5422ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_ctypes.pyd
Filesize
120KB

MD5
6a9ca97c039d9bbb7abf40b53c851198

SHA1
01bcbd134a76ccd4f3badb5f4056abedcff60734

SHA256
e662d2b35bb48c5f3432bde79c0d20313238af800968ba0faa6ea7e7e5ef4535

SHA512
dedf7f98afc0a94a248f12e4c4ca01b412da45b926da3f9c4cbc1d2cbb98c8899f43f5884b1bf1f0b941edaeef65612ea17438e67745962ff13761300910960d

Download Submit
C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_lzma.pyd
Filesize
154KB

MD5
337b0e65a856568778e25660f77bc80a

SHA1
4d9e921feaee5fa70181eba99054ffa7b6c9bb3f

SHA256
613de58e4a9a80eff8f8bc45c350a6eaebf89f85ffd2d7e3b0b266bf0888a60a

SHA512
19e6da02d9d25ccef06c843b9f429e6b598667270631febe99a0d12fc12d5da4fb242973a8351d3bf169f60d2e17fe821ad692038c793ce69dfb66a42211398e

Download Submit
C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_socket.pyd
Filesize
76KB

MD5
8140bdc5803a4893509f0e39b67158ce

SHA1
653cc1c82ba6240b0186623724aec3287e9bc232

SHA256
39715ef8d043354f0ab15f62878530a38518fb6192bc48da6a098498e8d35769

SHA512
d0878fee92e555b15e9f01ce39cfdc3d6122b41ce00ec3a4a7f0f661619f83ec520dca41e35a1e15650fb34ad238974fe8019577c42ca460dde76e3891b0e826

Download Submit
C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\libffi-8.dll
Filesize
34KB

MD5
32d36d2b0719db2b739af803c5e1c2f5

SHA1
023c4f1159a2a05420f68daf939b9ac2b04ab082

SHA256
128a583e821e52b595eb4b3dda17697d3ca456ee72945f7ecce48ededad0e93c

SHA512
a0a68cfc2f96cb1afd29db185c940e9838b6d097d2591b0a2e66830dd500e8b9538d170125a00ee8c22b8251181b73518b73de94beeedd421d3e888564a111c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\psutil\_psutil_windows.pyd
Filesize
65KB

MD5
3cba71b6bc59c26518dc865241add80a

SHA1
7e9c609790b1de110328bbbcbb4cd09b7150e5bd

SHA256
e10b73d6e13a5ae2624630f3d8535c5091ef403db6a00a2798f30874938ee996

SHA512
3ef7e20e382d51d93c707be930e12781636433650d0a2c27e109ebebeba1f30ea3e7b09af985f87f67f6b9d2ac6a7a717435f94b9d1585a9eb093a83771b43f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pywintypes311.dll
Filesize
131KB

MD5
90b786dc6795d8ad0870e290349b5b52

SHA1
592c54e67cf5d2d884339e7a8d7a21e003e6482f

SHA256
89f2a5c6be1e70b3d895318fdd618506b8c0e9a63b6a1a4055dff4abdc89f18a

SHA512
c6e1dbf25d260c723a26c88ec027d40d47f5e28fc9eb2dbc72a88813a1d05c7f75616b31836b68b87df45c65eef6f3eaed2a9f9767f9e2f12c45f672c2116e72

Download Submit
C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\select.pyd
Filesize
28KB

MD5
97ee623f1217a7b4b7de5769b7b665d6

SHA1
95b918f3f4c057fb9c878c8cc5e502c0bd9e54c0

SHA256
0046eb32f873cde62cf29af02687b1dd43154e9fd10e0aa3d8353d3debb38790

SHA512
20edc7eae5c0709af5c792f04a8a633d416da5a38fc69bd0409afe40b7fb1afa526de6fe25d8543ece9ea44fd6baa04a9d316ac71212ae9638bdef768e661e0f

Download Submit
C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\win32api.pyd
Filesize
130KB

MD5
1d6762b494dc9e60ca95f7238ae1fb14

SHA1
aa0397d96a0ed41b2f03352049dafe040d59ad5d

SHA256
fae5323e2119a8f678055f4244177b5806c7b6b171b1945168f685631b913664

SHA512
0b561f651161a34c37ff8d115f154c52202f573d049681f8cdd7bba2e966bb8203780c19ba824b4a693ef12ef1eeef6aeeef96eb369e4b6129f1deb6b26aaa00

Download Submit
C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\win32gui.pyd
Filesize
212KB

MD5
3c81c0ceebb2b5c224a56c024021efad

SHA1
aee4ddcc136856ed2297d7dbdc781a266cf7eab9

SHA256
6085bc00a1f157c4d2cc0609e20e1e20d2572fe6498de3bec4c9c7bebcfbb629

SHA512
f2d6c06da4f56a8119a931b5895c446432152737b4a7ae95c2b91b1638e961da78833728d62e206e1d886e7c36d7bed3fa4403d0b57a017523dd831dd6b7117f

Download Submit
C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\win32process.pyd
Filesize
52KB

MD5
936b26a67e6c7788c3a5268f478e01b8

SHA1
0ee92f0a97a14fcd45865667ed02b278794b2fdf

SHA256
0459439ef3efa0e0fc2b8ca3f0245826e9bbd7e8f3266276398921a4aa899fbd

SHA512
bfe37390da24cc9422cabbbbbc7733d89f61d73ecc3765fe494b5a7bd044e4ffb629f1bb4a28437fe9ad169ae65f2338c15d689f381f9e745c44f2741388860b

Download Submit
C:\Users\Admin\AppData\Local\Temp\SIGMAHACKS0.2.EXE
Filesize
6.9MB

MD5
10bbd38c21ebf84fea97c3812d57d9c6

SHA1
293cec0d7f44151ffbf88dfe408265825f8bca9b

SHA256
83c4e5947870b7b9f06044624b420ddc9fbae6898a5c9b4420c3dbeaca508bb9

SHA512
a00ec8ed84b806c4aca8564354a6687da64b999d255df7fea4c38e6026c8a4cee665414e96d5e28904d051f4c1a6956193a96c12e52286d6d7f58f39bae8ac31

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_1948_133619033666221513\VCRUNTIME140.dll
Filesize
96KB

MD5
f12681a472b9dd04a812e16096514974

SHA1
6fd102eb3e0b0e6eef08118d71f28702d1a9067c

SHA256
d66c3b47091ceb3f8d3cc165a43d285ae919211a0c0fcb74491ee574d8d464f8

SHA512
7d3accbf84de73fb0c5c0de812a9ed600d39cd7ed0f99527ca86a57ce63f48765a370e913e3a46ffc2ccd48ee07d823dafdd157710eef9e7cc1eb7505dc323a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_1948_133619033666221513\python3.dll
Filesize
64KB

MD5
34e49bb1dfddf6037f0001d9aefe7d61

SHA1
a25a39dca11cdc195c9ecd49e95657a3e4fe3215

SHA256
4055d1b9e553b78c244143ab6b48151604003b39a9bf54879dee9175455c1281

SHA512
edb715654baaf499cf788bcacd5657adcf9f20b37b02671abe71bda334629344415ed3a7e95cb51164e66a7aa3ed4bf84acb05649ccd55e3f64036f3178b7856

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_1948_133619033666221513\python311.dll
Filesize
5.5MB

MD5
9a24c8c35e4ac4b1597124c1dcbebe0f

SHA1
f59782a4923a30118b97e01a7f8db69b92d8382a

SHA256
a0cf640e756875c25c12b4a38ba5f2772e8e512036e2ac59eb8567bf05ffbfb7

SHA512
9d9336bf1f0d3bc9ce4a636a5f4e52c5f9487f51f00614fc4a34854a315ce7ea8be328153812dbd67c45c75001818fa63317eba15a6c9a024fa9f2cab163165b

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_1948_133619033666221513\test.exe
Filesize
9.6MB

MD5
5244aa93f4209963f6c63e1ef9dde0b9

SHA1
642219eec726127fe7fbe9ceb5e223dcf46fbe46

SHA256
aeca166d5d3da9e76957686ca8753e95b930d8508f825f3cc6b4bac28da6e142

SHA512
e510165f98b070ad3c202734833230779fd95585d28b0a9873afbb5022f488c85e935b7f366a92b89449b42106f4ed76997cac16994386560bd45021d368e28c

Download Submit
memory/3280-43-0x00007FF9D5CB0000-0x00007FF9D6771000-memory.dmp

Filesize
10.8MB

Download
memory/3280-17-0x0000000000B20000-0x0000000000E44000-memory.dmp

Filesize
3.1MB

Download
memory/3280-11-0x00007FF9D5CB3000-0x00007FF9D5CB5000-memory.dmp

Filesize
8KB

Download
memory/3280-84-0x00007FF9D5CB0000-0x00007FF9D6771000-memory.dmp

Filesize
10.8MB

Download
memory/3540-92-0x000000001B9F0000-0x000000001BA40000-memory.dmp

Filesize
320KB

Download
memory/3540-93-0x000000001BB00000-0x000000001BBB2000-memory.dmp

Filesize
712KB

Download