e77cd8d634bfe58d5760c81f22e1941dc8a79668437112b90c0080c31135e1e6

Analysis

max time kernel
631s
max time network
739s
platform
windows10-2004_x64
resource
win10v2004-20250207-en
resource tags

arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
submitted
13-02-2025 17:36

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General

Target

CraxsRat 7.4 vip/craxs.dll
Size

16.4MB
MD5

5bba6bea8e33a42327c93788643ef188
SHA1

deaa84003a8e3a915c15a5e40ebb379b32070281
SHA256

2b0a9f3e24ea4e6672d5c88148140d657ea30794893236b2d52f45a0717befe9
SHA512

3847a650db18ff93b2bdfffed4a1eb34e0c7cb93b098b1f63e69943b744ea5e5ff2dfddf54beddbf8e0091feaa0fd3461dc67164b32dc8e8fe799c7782cc5874
SSDEEP

393216:qnJG4FaCLuvqegSi3g2o56gRpJMWqOjPDWZakhwpZr:Fopsqee3WkEpFPKEki

Score

8^/10

discovery

Malware Config

Signatures

Downloads MZ/PE file 1 IoCs

flow	pid	Process
71	3060	Process not Found

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3340	MicrosoftEdgeUpdate.exe
3344	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2132	MicrosoftEdgeUpdate.exe
2132	MicrosoftEdgeUpdate.exe
2132	MicrosoftEdgeUpdate.exe
2132	MicrosoftEdgeUpdate.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2132	MicrosoftEdgeUpdate.exe

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\CraxsRat 7.4 vip\craxs.dll",#1
1⤵
PID:2712

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI2IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDcxNzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTY4MDM3MTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MjUwODg4NDAwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3340

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7OTc0NzNGQjUtRjg2NC00M0Q1LThGMUItM0JENzM5MzEwRUZBfSIgdXNlcmlkPSJ7Qzk4QUNDQzctQzhDOC00RTFBLUE1OTQtNjk3NERBMTNEMERBfSIgaW5zdGFsbHNvdXJjZT0ic2NoZWR1bGVyIiByZXF1ZXN0aWQ9Ins3OUQ3RTk2RC1GRTFELTQ0NDItODgxRS0xQUM1QTdGQTlBOUR9IiBkZWR1cD0iY3IiIGRvbWFpbmpvaW5lZD0iMCI-PGh3IGxvZ2ljYWxfY3B1cz0iMiIgcGh5c21lbW9yeT0iNCIgZGlza190eXBlPSIyIiBzc2U9IjEiIHNzZTI9IjEiIHNzZTM9IjEiIHNzc2UzPSIxIiBzc2U0MT0iMSIgc3NlNDI9IjEiIGF2eD0iMSIvPjxvcyBwbGF0Zm9ybT0id2luIiB2ZXJzaW9uPSIxMC4wLjE5MDQxLjEyODgiIHNwPSIiIGFyY2g9Ing2NCIgcHJvZHVjdF90eXBlPSI0OCIgaXNfd2lwPSIwIiBpc19pbl9sb2NrZG93bl9tb2RlPSIwIi8-PG9lbSBwcm9kdWN0X21hbnVmYWN0dXJlcj0iIiBwcm9kdWN0X25hbWU9IiIvPjxleHAgZXRhZz0iJnF1b3Q7VlBRb1AxRitmcTE1d1J6aDFrUEw0UE1wV2g4T1JNQjVpenZyT0MvY2hqUT0mcXVvdDsiLz48YXBwIGFwcGlkPSJ7RjNDNEZFMDAtRUZENS00MDNCLTk1NjktMzk4QTIwRjFCQTRBfSIgdmVyc2lvbj0iMS4zLjE5NS40MyIgbmV4dHZlcnNpb249IiIgbGFuZz0iIiBicmFuZD0iSU5CWCIgY2xpZW50PSIiIGluc3RhbGxhZ2U9IjYiIGNvaG9ydD0icnJmQDAuMDMiPjx1cGRhdGVjaGVjay8-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-PHVwZGF0ZWNoZWNrLz48cGluZyByPSI2IiByZD0iNjYxMiIgcGluZ19mcmVzaG5lc3M9Ins1RkUzRjIxRC01OUNGLTRGN0YtODAxMi05OTg3QjMzNjk0QzZ9Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3344

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ua /installsource scheduler
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Microsoft\EdgeUpdate\Log\MicrosoftEdgeUpdate.log

Filesize
403KB

MD5
d3a283cfc537c1640bbc2c7dadef784e

SHA1
9a42db6583b2c29f99f4035b29e5916a5fd18d05

SHA256
b79e1b228638d49582a30694b9326bff99877afe782f6209d27f1f0caf9d6dac

SHA512
fb149cf09f582f2df1d21a36e192c9c5be635a715dc974937e43f807470ce2705b24e29f2cda7e09e48995f01ef4af5d27688749080eef2a1d05aadf4d9a9d18

Download Submit
C:\ProgramData\Microsoft\EdgeUpdate\Log\MicrosoftEdgeUpdate.log

Filesize
424KB

MD5
43e342892f506ffc6b05f92c21e0ab35

SHA1
a8e53510e9b68441c481264b89d740d332a65801

SHA256
65c141b8f660d2f8128e5218e96792178f4b77a84186a29638920a5b0e631914

SHA512
e6be4e03e310de4a47cab6ef2b38862e70e912d8fbd949fe5fd41ca595844752eaedc07da44b35ac5470c8757f6bd232e6e3fbb5c047b19c7c5fe8adfb0cb653

Download Submit