7a97a119fe76c3e9220ca86fa2cf4ce2edc41dfa5188ddbac7daed2a23e2e640

General

Target

a75ab12a448fc3cb2f23a45bb83fd205_NEAS.exe
Size

35KB
MD5

a75ab12a448fc3cb2f23a45bb83fd205
SHA1

fcf059b90949b7361c0a11e4528a135bf6ada048
SHA256

7a97a119fe76c3e9220ca86fa2cf4ce2edc41dfa5188ddbac7daed2a23e2e640
SHA512

f0d7ae59f9b1c58c359b01d77a80ed0f8881d102355ef513548ba3dc9d913ed3e6571e2c484f30ec5b39901f21ef6985da22dd57512a97f2cf8e3fd824eced4c
SSDEEP

768:M3EVdV0YXY/nckNsWheCNSdd57Do5utsp1TOIIIwjkn:lVdm5/nprh3Ny57guSTOj2

Score

8^/10

evasion upx

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
1100	attrib.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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	a75ab12a448fc3cb2f23a45bb83fd205_NEAS.exe

Executes dropped EXE 1 IoCs

pid	Process
1520	ksqhost.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1284-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx
behavioral2/files/0x0009000000023540-3.dat	upx
behavioral2/memory/1520-5-0x0000000000400000-0x0000000000417000-memory.dmp	upx
behavioral2/memory/1520-7-0x0000000000400000-0x0000000000417000-memory.dmp	upx
behavioral2/memory/1520-13-0x0000000000400000-0x0000000000417000-memory.dmp	upx
behavioral2/memory/1520-16-0x0000000000400000-0x0000000000417000-memory.dmp	upx
behavioral2/memory/1520-19-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\ksqhost.exe	a75ab12a448fc3cb2f23a45bb83fd205_NEAS.exe
File opened for modification	C:\Windows\Debug\ksqhost.exe	a75ab12a448fc3cb2f23a45bb83fd205_NEAS.exe
File opened for modification	C:\Windows\Debug\ksqhost.exe	attrib.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 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\0	ksqhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	ksqhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1284	a75ab12a448fc3cb2f23a45bb83fd205_NEAS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 1100	1284	a75ab12a448fc3cb2f23a45bb83fd205_NEAS.exe	87
PID 1284 wrote to memory of 1100	1284	a75ab12a448fc3cb2f23a45bb83fd205_NEAS.exe	87
PID 1284 wrote to memory of 1100	1284	a75ab12a448fc3cb2f23a45bb83fd205_NEAS.exe	87
PID 1284 wrote to memory of 1056	1284	a75ab12a448fc3cb2f23a45bb83fd205_NEAS.exe	93
PID 1284 wrote to memory of 1056	1284	a75ab12a448fc3cb2f23a45bb83fd205_NEAS.exe	93
PID 1284 wrote to memory of 1056	1284	a75ab12a448fc3cb2f23a45bb83fd205_NEAS.exe	93

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1100	attrib.exe

C:\Users\Admin\AppData\Local\Temp\a75ab12a448fc3cb2f23a45bb83fd205_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\a75ab12a448fc3cb2f23a45bb83fd205_NEAS.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\ksqhost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:1100
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\A75AB1~1.EXE > nul
  2⤵
  PID:1056

C:\Windows\Debug\ksqhost.exe
C:\Windows\Debug\ksqhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:1520

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 --field-trial-handle=4316,i,15721081447618313297,6839074028983272033,262144 --variations-seed-version --mojo-platform-channel-handle=3976 /prefetch:8
1⤵
PID:1668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

2

T1564.001

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\debug\ksqhost.exe

Filesize
35KB

MD5
43e98a398b4c2459ad3da51ab019095d

SHA1
286d7da000016bb94a6463bb3bab3bb2991355cb

SHA256
094aa0ffbaa50e99ce9901b301ae27cb6a914e81a24c90950a42c25a57fe948a

SHA512
dd8e4999ef57ad6816ab634841386b6c473723a2d4f8380fec4d323bd9145c3cf6a592a84bd6c300347481f1491765d2971e7daaaeef056c15149b1f16327ced

Download Submit
memory/1284-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1520-5-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1520-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1520-13-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1520-16-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1520-19-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads