strela | 261b8ff03bf15861e21b75f149c7b7ff18a2abaf4e12f771e07b945830d9c776

Analysis

max time kernel
125s
max time network
53s
platform
windows10-2004_x64
resource
win10v2004-20231130-en
resource tags

arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2023, 16:10

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General

Target
NEAS.261b8ff03bf15861e21b75f149c7b7ff18a2abaf4e12f771e07b945830d9c776js.js
Size 1.4MB
Sample231204-tmlzdscd9s
SHA256 261b8ff03bf15861e21b75f149c7b7ff18a2abaf4e12f771e07b945830d9c776
MD5 7f21beb70a3e4133bfeb07367d7cec6b
SHA1 115b32b360e27ddfe16a5d7798353575a6d2bae8
SHA512 dcc802a3387483b0ee3c9c2d3b40009d6fb30fd08e9ff8cfd0c4146dd857802f0fb7904b8a3bcad6ca3e98ddf9b7046a41beaac8a49384bb4ca70eb394f51db0
SSDEEP 24576:5UbIIcX6tP74u+Jt2AVBTgwSSfQFmYzlqx:+ItwMcDji
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

strela stealer

Malware Config

Extracted

Family

strela

193.109.85.77

Signatures

Strela
An info stealer targeting mail credentials first seen in late 2022.
stealer strela

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-1-5-21-1791582586-1997866593-3795608343-1000\Control Panel\International\Geo\Nation	wscript.exe

Loads dropped DLL 1 IoCs

pid	Process
4120	regsvr32.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 3624	4024	wscript.exe	84
PID 4024 wrote to memory of 3624	4024	wscript.exe	84
PID 3624 wrote to memory of 3912	3624	cmd.exe	89
PID 3624 wrote to memory of 3912	3624	cmd.exe	89
PID 3624 wrote to memory of 3632	3624	cmd.exe	90
PID 3624 wrote to memory of 3632	3624	cmd.exe	90
PID 3624 wrote to memory of 4120	3624	cmd.exe	91
PID 3624 wrote to memory of 4120	3624	cmd.exe	91

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\NEAS.261b8ff03bf15861e21b75f149c7b7ff18a2abaf4e12f771e07b945830d9c776js.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k copy "C:\Users\Admin\AppData\Local\Temp\NEAS.261b8ff03bf15861e21b75f149c7b7ff18a2abaf4e12f771e07b945830d9c776js.js" "C:\Users\Admin\AppData\Local\Temp\\sodabelief.bat" && "C:\Users\Admin\AppData\Local\Temp\\sodabelief.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3624
- - C:\Windows\system32\findstr.exe
    findstr /V sixpoint ""C:\Users\Admin\AppData\Local\Temp\\sodabelief.bat""
    3⤵
    PID:3912
- - C:\Windows\system32\certutil.exe
    certutil -f -decode rangedrip murderobey.dll
    3⤵
    PID:3632
- - C:\Windows\system32\regsvr32.exe
    regsvr32 murderobey.dll
    3⤵
    - Loads dropped DLL
    PID:4120

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

murderobey.dll

Path C:\Users\Admin\AppData\Local\Temp\murderobey.dll
Size 1.1MB
SHA256 e54f6953b836c030cd97c421d421e1b0375303a85d0d10cb49275e6da9ef0969
MD5 7fab3b8915ceb0f1270af75e6c66c82e
SHA1 5179089f8ff22d33c78e8ba2279e42f34f21cdb7
SHA512 a64d952f417bee89cb9c211b7a7588a583d3d8f5421226859032dd4f778457595f11453577096be4265762f04d609e52b842be53e42de292ff783b10e3d92cde
SSDEEP 24576:K+QBuD4g1A1P7qF4zA0GPVatlvKpX4lj7Dtx:6sUSAkQlljtx
MD5 SHA1 SHA512 SSDEEP

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murderobey.dll

Path C:\Users\Admin\AppData\Local\Temp\murderobey.dll
Size 1.1MB
SHA256 e54f6953b836c030cd97c421d421e1b0375303a85d0d10cb49275e6da9ef0969
MD5 7fab3b8915ceb0f1270af75e6c66c82e
SHA1 5179089f8ff22d33c78e8ba2279e42f34f21cdb7
SHA512 a64d952f417bee89cb9c211b7a7588a583d3d8f5421226859032dd4f778457595f11453577096be4265762f04d609e52b842be53e42de292ff783b10e3d92cde
SSDEEP 24576:K+QBuD4g1A1P7qF4zA0GPVatlvKpX4lj7Dtx:6sUSAkQlljtx
MD5 SHA1 SHA512 SSDEEP

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rangedrip

Path C:\Users\Admin\AppData\Local\Temp\rangedrip
Size 1.4MB
SHA256 45e01d2c3134c31e399f2f7dc77d12c88b84bf4c499159ec4e861f746620bed6
MD5 a8f09292232b1a1b1fcfb6a53aa774c6
SHA1 880568142b00ca4908d3d4f03705a8564941b46c
SHA512 ebf14bc1001a569e8d09fe9f01085b153f3a1c31e80905eae880a16b43cefc919c0cf6b292fff080d3df66bd1c577a713c01dcf17c04b09e2fb7179879ed0eee
SSDEEP 24576:bUbIIcX6tP74u+Jt2AVBTgwSSfQFmYzlqF:MItwMcDjc
MD5 SHA1 SHA512 SSDEEP

Submit Download

sodabelief.bat

Path C:\Users\Admin\AppData\Local\Temp\sodabelief.bat
Size 1.4MB
SHA256 261b8ff03bf15861e21b75f149c7b7ff18a2abaf4e12f771e07b945830d9c776
MD5 7f21beb70a3e4133bfeb07367d7cec6b
SHA1 115b32b360e27ddfe16a5d7798353575a6d2bae8
SHA512 dcc802a3387483b0ee3c9c2d3b40009d6fb30fd08e9ff8cfd0c4146dd857802f0fb7904b8a3bcad6ca3e98ddf9b7046a41beaac8a49384bb4ca70eb394f51db0
SSDEEP 24576:5UbIIcX6tP74u+Jt2AVBTgwSSfQFmYzlqx:+ItwMcDji
MD5 SHA1 SHA512 SSDEEP

Submit Download

sodabelief.bat

Path C:\Users\Admin\AppData\Local\Temp\sodabelief.bat
Size 1.4MB
SHA256 261b8ff03bf15861e21b75f149c7b7ff18a2abaf4e12f771e07b945830d9c776
MD5 7f21beb70a3e4133bfeb07367d7cec6b
SHA1 115b32b360e27ddfe16a5d7798353575a6d2bae8
SHA512 dcc802a3387483b0ee3c9c2d3b40009d6fb30fd08e9ff8cfd0c4146dd857802f0fb7904b8a3bcad6ca3e98ddf9b7046a41beaac8a49384bb4ca70eb394f51db0
SSDEEP 24576:5UbIIcX6tP74u+Jt2AVBTgwSSfQFmYzlqx:+ItwMcDji
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/4120-1037-0x000000006D7C0000-0x000000006D8DB000-memory.dmp

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memory/4120-1038-0x0000000005C10000-0x0000000005C31000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads