2a6344b7f08a540282425a5eda9d372b2e3e3d29b2585927f5cd15165bddb942

General

Target

2a6344b7f08a540282425a5eda9d372b2e3e3d29b2585927f5cd15165bddb942.exe
Size

1.1MB
MD5

2cf63f5a820ae17c9fe2e087675c3512
SHA1

6e94fbdc85a3e18610039f7533a8c5eace0febec
SHA256

2a6344b7f08a540282425a5eda9d372b2e3e3d29b2585927f5cd15165bddb942
SHA512

c607a835999f9b5cf010e95b131bf2729463a0e5a1d53b3fa86007ecde99ac3e403c2770056c07af25de81f4cfd75628ba042a1585620feb5feab9187c0740d8
SSDEEP

24576:gB49HG3aEWiOhNUayb4DmKmAJe7qWmiMLWYY+g/M0WIdae48U:gB4HG3vChOHkDmKveWWmiZYYvjdab

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 6 IoCs

flow	pid	Process
42	212	rundll32.exe
45	212	rundll32.exe
46	212	rundll32.exe
47	212	rundll32.exe
65	212	rundll32.exe
72	212	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
212	rundll32.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1504	1964	WerFault.exe	84

Checks processor information in registry 2 TTPs 21 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	rundll32.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Component Information	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\VendorIdentifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Platform Specific Field 1	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Revision	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Previous Update Revision	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Previous Update Revision	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Configuration Data	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 212	1964	2a6344b7f08a540282425a5eda9d372b2e3e3d29b2585927f5cd15165bddb942.exe	87
PID 1964 wrote to memory of 212	1964	2a6344b7f08a540282425a5eda9d372b2e3e3d29b2585927f5cd15165bddb942.exe	87
PID 1964 wrote to memory of 212	1964	2a6344b7f08a540282425a5eda9d372b2e3e3d29b2585927f5cd15165bddb942.exe	87

C:\Users\Admin\AppData\Local\Temp\2a6344b7f08a540282425a5eda9d372b2e3e3d29b2585927f5cd15165bddb942.exe
"C:\Users\Admin\AppData\Local\Temp\2a6344b7f08a540282425a5eda9d372b2e3e3d29b2585927f5cd15165bddb942.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Eshwsfeuryqqffi.tmp",Qiysidaatietut
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Checks processor information in registry
  PID:212
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 540
  2⤵
  - Program crash
  PID:1504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1964 -ip 1964
1⤵
PID:380

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Eshwsfeuryqqffi.tmp

Filesize
768KB

MD5
96655ec3277ef2e9ea4b5723f60f5b04

SHA1
b29e9005cedc5e0d63981e59b05a12f006bd8640

SHA256
36cb491e91dc40d4a24f25944c5dca41195e1e7eb9788028f72e38b08789616d

SHA512
cb151e071426cba0ec433b4ff8b173a9e07fc922e2b9d9d9359bcd5367a79e5bb996e8afbbfe4dd11bde1a33724b7f70479ac248762f5c9d17f3e0d7d67c151c

Download Submit
C:\Users\Admin\AppData\Local\Temp\Eshwsfeuryqqffi.tmp

Filesize
768KB

MD5
96655ec3277ef2e9ea4b5723f60f5b04

SHA1
b29e9005cedc5e0d63981e59b05a12f006bd8640

SHA256
36cb491e91dc40d4a24f25944c5dca41195e1e7eb9788028f72e38b08789616d

SHA512
cb151e071426cba0ec433b4ff8b173a9e07fc922e2b9d9d9359bcd5367a79e5bb996e8afbbfe4dd11bde1a33724b7f70479ac248762f5c9d17f3e0d7d67c151c

Download Submit
memory/212-141-0x0000000005540000-0x00000000060A2000-memory.dmp

Filesize
11.4MB

Download
memory/212-142-0x0000000005540000-0x00000000060A2000-memory.dmp

Filesize
11.4MB

Download
memory/212-143-0x0000000004EE0000-0x0000000005020000-memory.dmp

Filesize
1.2MB

Download
memory/212-144-0x0000000004EE0000-0x0000000005020000-memory.dmp

Filesize
1.2MB

Download
memory/212-145-0x0000000005540000-0x00000000060A2000-memory.dmp

Filesize
11.4MB

Download
memory/1964-135-0x0000000000400000-0x0000000000531000-memory.dmp

Filesize
1.2MB

Download
memory/1964-134-0x0000000000400000-0x0000000000531000-memory.dmp

Filesize
1.2MB

Download
memory/1964-133-0x0000000002240000-0x0000000002360000-memory.dmp

Filesize
1.1MB

Download
memory/1964-139-0x0000000002240000-0x0000000002360000-memory.dmp

Filesize
1.1MB

Download
memory/1964-140-0x0000000000400000-0x0000000000531000-memory.dmp

Filesize
1.2MB

Download
memory/1964-132-0x000000000213D000-0x000000000221C000-memory.dmp

Filesize
892KB

Download

Analysis

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