7c37786ee7bb9b601c196c02c892759ddc2dc79848697a6ef5d5e21eee7a969d

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14-03-2024 20:56

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General

Target

7c37786ee7bb9b601c196c02c892759ddc2dc79848697a6ef5d5e21eee7a969d.exe
Size

370KB
MD5

aef421fb933432e1c0a1fda32edc990d
SHA1

5e2cf6e6b91c8fecee1311ea0e536874e695e743
SHA256

7c37786ee7bb9b601c196c02c892759ddc2dc79848697a6ef5d5e21eee7a969d
SHA512

44beb3f8486313754a571e266c63330d4484c878a6b3d3a6f19272db7c7fde1956dbfcea940fb3a4809f188264c4b3849af89fd2987b271e724bbe207f0ac5e0
SSDEEP

6144:UHEagZcctnCqhPHbMMCji9B0AwV1OkF7YH62LIHO8OIANZwtvTvF9fj6:UHEagZccMIPHwxi9RwyxH61O8OIs02

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral1/memory/2476-0-0x0000000000400000-0x000000000045F000-memory.dmp	UPX
behavioral1/files/0x000b000000015bb9-5.dat	UPX
behavioral1/memory/3024-7-0x0000000000400000-0x000000000045F000-memory.dmp	UPX

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
3024	dbilzqh.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2476-0-0x0000000000400000-0x000000000045F000-memory.dmp	upx
behavioral1/files/0x000b000000015bb9-5.dat	upx
behavioral1/memory/3024-7-0x0000000000400000-0x000000000045F000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\dbilzqh.exe	7c37786ee7bb9b601c196c02c892759ddc2dc79848697a6ef5d5e21eee7a969d.exe
File created	C:\PROGRA~3\Mozilla\zxoabnc.dll	dbilzqh.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2476	7c37786ee7bb9b601c196c02c892759ddc2dc79848697a6ef5d5e21eee7a969d.exe
3024	dbilzqh.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 3024	2572	taskeng.exe	29
PID 2572 wrote to memory of 3024	2572	taskeng.exe	29
PID 2572 wrote to memory of 3024	2572	taskeng.exe	29
PID 2572 wrote to memory of 3024	2572	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\7c37786ee7bb9b601c196c02c892759ddc2dc79848697a6ef5d5e21eee7a969d.exe
"C:\Users\Admin\AppData\Local\Temp\7c37786ee7bb9b601c196c02c892759ddc2dc79848697a6ef5d5e21eee7a969d.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
PID:2476

C:\Windows\system32\taskeng.exe
taskeng.exe {736EA1F5-D7F9-4F6F-ADD6-08567152617F} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2572
- C:\PROGRA~3\Mozilla\dbilzqh.exe
  C:\PROGRA~3\Mozilla\dbilzqh.exe -kwinamg
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of UnmapMainImage
  PID:3024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~3\Mozilla\dbilzqh.exe

Filesize
370KB

MD5
aed948b774f40de70b6be0a7d4ffc9d1

SHA1
4c77dc5970f901a4462c697b5efebbfc8094057f

SHA256
9ee41985c7755ea85d95e0f54e50a859a740cc0622bc52670ba84af282635eef

SHA512
81b67eff29a883116e48d95a5f23d692e943cffde4800c98d0d201ff0f343d2f4c884e300b57ff0cbf71ebfb9db39f504764a0425241300a6647f72392d80b1b

Download Submit
memory/2476-2-0x00000000002E0000-0x000000000033B000-memory.dmp

Filesize
364KB

Download
memory/2476-1-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2476-0-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2476-4-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3024-7-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3024-8-0x0000000000460000-0x00000000004BB000-memory.dmp

Filesize
364KB

Download
memory/3024-9-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3024-11-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download