5bd781d69f61aefe65034c6602a9ddcfc8ca2d0b1e19c6e240126efe29994bdc

Analysis

max time kernel
202s
max time network
218s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
01-11-2023 08:28

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General

Target

NEAS.d33e60f3d729c3d76233258601398387.exe
Size

157KB
MD5

d33e60f3d729c3d76233258601398387
SHA1

ce407014f7b07cf54076f93cae7569330069a098
SHA256

5bd781d69f61aefe65034c6602a9ddcfc8ca2d0b1e19c6e240126efe29994bdc
SHA512

f6a4b02717916f5c86206ae36d8d02159c3cdb88d12ca44938c7537bbc0f060aab1f6040429b24339223155a13dd168382de329f286dcbae54d4289759f37bed
SSDEEP

384:+BdCJAKQDuuOFZyUVpULCgDb2prxVTw24I+6Al6zKyXxKDglgTlkgUH/a7wwwp:MdCyTDcZyUpULCgodM96eyXsOf4wwwp

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
2872	attrib.exe

Deletes itself 1 IoCs

pid	Process
2488	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1636	beqhost.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2760-0-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral1/memory/2760-3-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral1/files/0x00060000000120e5-4.dat	upx
behavioral1/files/0x00060000000120e5-5.dat	upx
behavioral1/memory/1636-6-0x0000000000400000-0x0000000000427000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\beqhost.exe	NEAS.d33e60f3d729c3d76233258601398387.exe
File opened for modification	C:\Windows\Debug\beqhost.exe	attrib.exe
File created	C:\Windows\Debug\beqhost.exe	NEAS.d33e60f3d729c3d76233258601398387.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2760	NEAS.d33e60f3d729c3d76233258601398387.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 2872	2760	NEAS.d33e60f3d729c3d76233258601398387.exe	29
PID 2760 wrote to memory of 2872	2760	NEAS.d33e60f3d729c3d76233258601398387.exe	29
PID 2760 wrote to memory of 2872	2760	NEAS.d33e60f3d729c3d76233258601398387.exe	29
PID 2760 wrote to memory of 2872	2760	NEAS.d33e60f3d729c3d76233258601398387.exe	29
PID 2760 wrote to memory of 2488	2760	NEAS.d33e60f3d729c3d76233258601398387.exe	32
PID 2760 wrote to memory of 2488	2760	NEAS.d33e60f3d729c3d76233258601398387.exe	32
PID 2760 wrote to memory of 2488	2760	NEAS.d33e60f3d729c3d76233258601398387.exe	32
PID 2760 wrote to memory of 2488	2760	NEAS.d33e60f3d729c3d76233258601398387.exe	32

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2872	attrib.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.d33e60f3d729c3d76233258601398387.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.d33e60f3d729c3d76233258601398387.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\beqhost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:2872
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\NEASD3~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2488

C:\Windows\Debug\beqhost.exe
C:\Windows\Debug\beqhost.exe
1⤵
- Executes dropped EXE
PID:1636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Debug\beqhost.exe

Filesize
157KB

MD5
2a05ae098d52eda03aef3cddc64aa980

SHA1
d29aab8a68f8f744dabe0b95aa74611c658ed22b

SHA256
edd45fff5307fd8a199efffb4649a7d63d15bdc588535d20259697aeae006993

SHA512
28985098acb3fa87dbf6aac8880969787e2140a0840df808abdd30f4a79b86918664b606b20cdf0baa2e61bdec68a41c798446d738f7ad1baf8347429f99f72e

Download Submit
C:\Windows\debug\beqhost.exe

Filesize
157KB

MD5
2a05ae098d52eda03aef3cddc64aa980

SHA1
d29aab8a68f8f744dabe0b95aa74611c658ed22b

SHA256
edd45fff5307fd8a199efffb4649a7d63d15bdc588535d20259697aeae006993

SHA512
28985098acb3fa87dbf6aac8880969787e2140a0840df808abdd30f4a79b86918664b606b20cdf0baa2e61bdec68a41c798446d738f7ad1baf8347429f99f72e

Download Submit
memory/1636-6-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2760-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2760-3-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads