4fc26d607646a8c93683ac75223ed0c53739de2b1c5f2f147204ebe55f1a110d

Analysis

max time kernel
141s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15-03-2024 19:47

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General

Target

4fc26d607646a8c93683ac75223ed0c53739de2b1c5f2f147204ebe55f1a110d.exe
Size

70KB
MD5

1321c86f9fa22d0cd52dbdfec21e2218
SHA1

9b4dc313182d643fec8770afec1631c019e89c25
SHA256

4fc26d607646a8c93683ac75223ed0c53739de2b1c5f2f147204ebe55f1a110d
SHA512

9051ff687b199324e5494780540653a0eaca6d0fdce726d8f32a8a50be9d1005347721586b7c1d08c4a97673540cce771802bd45d03bc414f87a9da3778f39be
SSDEEP

768:TrItKyw5WHXfQmjIiIk9ecAa0Mb96SyX1DLdRXXXE0009gx:Tr3Z5IfQmv81ar1yXtZAx

Score

9^/10

evasion

Malware Config

Signatures

Detects Windows executables referencing non-Windows User-Agents 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001224c-2.dat	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

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
1252	attrib.exe

Deletes itself 1 IoCs

pid	Process
1284	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2228	qqwhost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\qqwhost.exe	4fc26d607646a8c93683ac75223ed0c53739de2b1c5f2f147204ebe55f1a110d.exe
File opened for modification	C:\Windows\Debug\qqwhost.exe	4fc26d607646a8c93683ac75223ed0c53739de2b1c5f2f147204ebe55f1a110d.exe
File opened for modification	C:\Windows\Debug\qqwhost.exe	attrib.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	1132	4fc26d607646a8c93683ac75223ed0c53739de2b1c5f2f147204ebe55f1a110d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 1252	1132	4fc26d607646a8c93683ac75223ed0c53739de2b1c5f2f147204ebe55f1a110d.exe	28
PID 1132 wrote to memory of 1252	1132	4fc26d607646a8c93683ac75223ed0c53739de2b1c5f2f147204ebe55f1a110d.exe	28
PID 1132 wrote to memory of 1252	1132	4fc26d607646a8c93683ac75223ed0c53739de2b1c5f2f147204ebe55f1a110d.exe	28
PID 1132 wrote to memory of 1252	1132	4fc26d607646a8c93683ac75223ed0c53739de2b1c5f2f147204ebe55f1a110d.exe	28
PID 1132 wrote to memory of 1284	1132	4fc26d607646a8c93683ac75223ed0c53739de2b1c5f2f147204ebe55f1a110d.exe	31
PID 1132 wrote to memory of 1284	1132	4fc26d607646a8c93683ac75223ed0c53739de2b1c5f2f147204ebe55f1a110d.exe	31
PID 1132 wrote to memory of 1284	1132	4fc26d607646a8c93683ac75223ed0c53739de2b1c5f2f147204ebe55f1a110d.exe	31
PID 1132 wrote to memory of 1284	1132	4fc26d607646a8c93683ac75223ed0c53739de2b1c5f2f147204ebe55f1a110d.exe	31

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1252	attrib.exe

C:\Users\Admin\AppData\Local\Temp\4fc26d607646a8c93683ac75223ed0c53739de2b1c5f2f147204ebe55f1a110d.exe
"C:\Users\Admin\AppData\Local\Temp\4fc26d607646a8c93683ac75223ed0c53739de2b1c5f2f147204ebe55f1a110d.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1132
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\qqwhost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:1252
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\4FC26D~1.EXE > nul
  2⤵
  - Deletes itself
  PID:1284

C:\Windows\Debug\qqwhost.exe
C:\Windows\Debug\qqwhost.exe
1⤵
- Executes dropped EXE
PID:2228

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\qqwhost.exe

Filesize
70KB

MD5
374200724ccc2ca36ffa7dc7d07aeb7c

SHA1
f342a45b3216b1d19bd4c9673680f272fd6fe192

SHA256
3404871e9783b398bc60d91a73d3c5655f70818b48ea8d9f555145fb224d80d0

SHA512
87c5484930a4860c838542339c06569cf6551f8ccc3eadaa301cb93ba3023e720921e1930ba9281837a0f7d7aba8f0015b8ea02b6ad6d9f5be4c8d8fc3f812ee

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads