5369566634e73ae7ad2a7391bee7399eab919db9c0b4bd2dee556a9b1df143f2

Analysis

max time kernel
69s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
29/11/2022, 11:49

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General

Target

5369566634e73ae7ad2a7391bee7399eab919db9c0b4bd2dee556a9b1df143f2.exe
Size

274KB
MD5

f6c016bd5c739bbefe676351c4eb2591
SHA1

fc9d82e26bad1160bff89b95e5bee729d617a8e2
SHA256

5369566634e73ae7ad2a7391bee7399eab919db9c0b4bd2dee556a9b1df143f2
SHA512

1b58faac65ed1a0179d1b9a4ba216977f047fad44fa6efcdfc0ff848f0be4f658f62b690450d34f4a103a0feb86748f86f3035f1f85ed9dec7a2f32b7481e1c5
SSDEEP

6144:dsaocyLCPcZsfV7LiWfr9TJVxckVTXl2LN6Qq04JL7J1M4kg:dtobWbf8kVTiZcJR

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3544	installer.exe
1696	4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	installer.exe

Loads dropped DLL 1 IoCs

pid	Process
2496	5369566634e73ae7ad2a7391bee7399eab919db9c0b4bd2dee556a9b1df143f2.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	installer.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	installer.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	installer.exe
File created	C:\Windows\assembly\Desktop.ini	installer.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	installer.exe

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

System Information Discovery
T1082

Modifies system certificate store 2 TTPs 3 IoCs

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81	installer.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81\Blob = 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	installer.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81\Blob = 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	installer.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1696	4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1696	4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe
1696	4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 3544	2496	5369566634e73ae7ad2a7391bee7399eab919db9c0b4bd2dee556a9b1df143f2.exe	59
PID 2496 wrote to memory of 3544	2496	5369566634e73ae7ad2a7391bee7399eab919db9c0b4bd2dee556a9b1df143f2.exe	59
PID 2496 wrote to memory of 3544	2496	5369566634e73ae7ad2a7391bee7399eab919db9c0b4bd2dee556a9b1df143f2.exe	59
PID 3544 wrote to memory of 1696	3544	installer.exe	82
PID 3544 wrote to memory of 1696	3544	installer.exe	82
PID 3544 wrote to memory of 1696	3544	installer.exe	82

C:\Users\Admin\AppData\Local\Temp\5369566634e73ae7ad2a7391bee7399eab919db9c0b4bd2dee556a9b1df143f2.exe
"C:\Users\Admin\AppData\Local\Temp\5369566634e73ae7ad2a7391bee7399eab919db9c0b4bd2dee556a9b1df143f2.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Users\Admin\AppData\Local\Temp\nstD1DD.tmp\installer.exe
  C:\Users\Admin\AppData\Local\Temp\nstD1DD.tmp\installer.exe 4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe /t /dT131921209S /e6034154 /u4fe0cf9f-1fe4-4abb-905a-57915bc06f2f
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - Modifies system certificate store
  - Suspicious use of WriteProcessMemory
  PID:3544
- - C:\Users\Admin\AppData\Local\Temp\nstD1DD.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe
    "C:\Users\Admin\AppData\Local\Temp\nstD1DD.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe" /t /dT131921209S /e6034154 /u4fe0cf9f-1fe4-4abb-905a-57915bc06f2f
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1696

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

T1130

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EDCF682921FE94F4A02A43CD1A28E6B

Filesize
604B

MD5
e7ed9b0571e14a4824cebee137d9bcd1

SHA1
59d9a27a741aee4bfc0605a287a88782cdafe6ff

SHA256
62f9b298a1f9e62f29c486f9cd2731a28302b9215656fd8b1c7c0071071b25ad

SHA512
6f6f379a5fbce3afbfb29b159bfe784ecf4b42672c5bc441e89383c54ccd210766388526748c48f9889cfdd5e126054a8d67971d69c46f37bb117e515ad9d400

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\955CAB6FF6A24D5820D50B5BA1CF79C7_AD9E7615297A3A83320AACE5801A04F9

Filesize
5B

MD5
5bfa51f3a417b98e7443eca90fc94703

SHA1
8c015d80b8a23f780bdd215dc842b0f5551f63bd

SHA256
bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128

SHA512
4cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EDCF682921FE94F4A02A43CD1A28E6B

Filesize
188B

MD5
f79b21695a6b33a8f2d1d8d08b9ab316

SHA1
7a0bc3219ad5f9090ec4d90fcb82a071fe25f13a

SHA256
1484c874f7a364731ab48f933ef77c98b7c8fa2a60b5ee26282735cc29d7870b

SHA512
e9dcdce527f21278e97c943a0ac694efaccb800110ec993f0833acbda9a117015c3bfaa8d69fc400f5d9ebd886db3217cc170ac703e88b485369a07f64cca433

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\955CAB6FF6A24D5820D50B5BA1CF79C7_AD9E7615297A3A83320AACE5801A04F9

Filesize
404B

MD5
52fbc5d2d9b93240ce69a4a110945603

SHA1
cb7984a2841336b976704eda117445fbbb394a42

SHA256
7cdcfdc9dbbbaea51fc1f998487fe55ef5b4da68905312d0e6898f161aae0892

SHA512
d998909e533b0ae7b19fdbd7f6b0680b354d96ddc61d65de003a26536b11217b24cb7dc7c0a5af19dcf980d167799f2e0268eebd998bbf4fc987eb18df85ea40

Download Submit
C:\Users\Admin\AppData\Local\Temp\nstD1DD.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

Filesize
256KB

MD5
6e68cf541f031c7de9da6ec8d86862aa

SHA1
115f143b5f585a27006159dc1b2d4d23a7af5295

SHA256
d1763b911eebce060a4c479190e83ff5747f5e75f938fb1cb23d5fcaba249e35

SHA512
022af872f2343293a0d71c6cc3ca3f13001ce7ad8e04cf740b75574272cad1dcb40a97a0e860082e7080a69a0367438728f1983317349d5a33ca969c3d877de1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nstD1DD.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

Filesize
256KB

MD5
6e68cf541f031c7de9da6ec8d86862aa

SHA1
115f143b5f585a27006159dc1b2d4d23a7af5295

SHA256
d1763b911eebce060a4c479190e83ff5747f5e75f938fb1cb23d5fcaba249e35

SHA512
022af872f2343293a0d71c6cc3ca3f13001ce7ad8e04cf740b75574272cad1dcb40a97a0e860082e7080a69a0367438728f1983317349d5a33ca969c3d877de1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nstD1DD.tmp\installer.exe

Filesize
214KB

MD5
7cf3bce5ecf2aea97b49e2eba8ca0aba

SHA1
543f5fc23df08f946488d27b2fb16b13b6311d1a

SHA256
7358afae03a24b31c0d82ee4e5fd2f17cafe6c3bdd8e26326aa4118f2169f736

SHA512
5f9184189940af27e25ae2988db8d15923dac81b2410c5fe3287f126fb50df43735fccb4e4d9f376e9f24700604c157aa1828622dab54014d9583a56ab698d8d

Download Submit
C:\Users\Admin\AppData\Local\Temp\nstD1DD.tmp\installer.exe

Filesize
214KB

MD5
7cf3bce5ecf2aea97b49e2eba8ca0aba

SHA1
543f5fc23df08f946488d27b2fb16b13b6311d1a

SHA256
7358afae03a24b31c0d82ee4e5fd2f17cafe6c3bdd8e26326aa4118f2169f736

SHA512
5f9184189940af27e25ae2988db8d15923dac81b2410c5fe3287f126fb50df43735fccb4e4d9f376e9f24700604c157aa1828622dab54014d9583a56ab698d8d

Download Submit
C:\Users\Admin\AppData\Local\Temp\nstD1DD.tmp\nsExec.dll

Filesize
8KB

MD5
249ae678f0dac4c625c6de6aca53823a

SHA1
6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201

SHA256
7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce

SHA512
66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7

Download Submit
memory/1696-144-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/1696-146-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/3544-136-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/3544-145-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/3544-147-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download