cd78202bba6f9a41ee06693cece1d7202642572c77af2fb631afc689de90042c

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
15/10/2023, 19:41

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General

Target

99127360b9e6a34abad05c77d9c70510_exe32.exe
Size

248KB
MD5

99127360b9e6a34abad05c77d9c70510
SHA1

685466b5f8de928a82cf1a4e96e0373da3226d16
SHA256

cd78202bba6f9a41ee06693cece1d7202642572c77af2fb631afc689de90042c
SHA512

c22bafa97134990a16a49323117321fee3c1167710f9951274930823c4f365eeda2ccf6f57986748663785a6d5f2d31ad2929788b98b9e1a0cd9168dfdafffdd
SSDEEP

3072:hzjAuUfkkPk4wigPI9Bxqfs37ab9+Chj8eUu5J98WCNYMK6RsjFys4g6e:RVU0PI9Bxas37axX3Uu5BwXRsA46e

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
2652	ddhvolk.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\ddhvolk.exe	99127360b9e6a34abad05c77d9c70510_exe32.exe
File created	C:\PROGRA~3\Mozilla\fuzozwc.dll	ddhvolk.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1936	99127360b9e6a34abad05c77d9c70510_exe32.exe
2652	ddhvolk.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2652	2604	taskeng.exe	29
PID 2604 wrote to memory of 2652	2604	taskeng.exe	29
PID 2604 wrote to memory of 2652	2604	taskeng.exe	29
PID 2604 wrote to memory of 2652	2604	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\99127360b9e6a34abad05c77d9c70510_exe32.exe
"C:\Users\Admin\AppData\Local\Temp\99127360b9e6a34abad05c77d9c70510_exe32.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
PID:1936

C:\Windows\system32\taskeng.exe
taskeng.exe {50D2325B-C9FB-4B47-A1A6-94FFBE7242BA} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2604
- C:\PROGRA~3\Mozilla\ddhvolk.exe
  C:\PROGRA~3\Mozilla\ddhvolk.exe -nlwszjc
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of UnmapMainImage
  PID:2652

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\ddhvolk.exe

Filesize
248KB

MD5
07bbb758e64c34cc9c47c3e95354555f

SHA1
b639955a586ae08773f461cbe4bf5d4c2b80dce7

SHA256
77ea601a367a7b3df55e89e96a18a99bc653456a311ca4692df4aea1b73840f2

SHA512
2d7d19442902dc3b809292aa34b68bd5d93740157c97587f7f28163e07339d97e36d78f1ac5eac5eb81c3445eea3fe6f32c6a7a03308bda5379d2713d30c9683

Download Submit
C:\PROGRA~3\Mozilla\ddhvolk.exe

Filesize
248KB

MD5
07bbb758e64c34cc9c47c3e95354555f

SHA1
b639955a586ae08773f461cbe4bf5d4c2b80dce7

SHA256
77ea601a367a7b3df55e89e96a18a99bc653456a311ca4692df4aea1b73840f2

SHA512
2d7d19442902dc3b809292aa34b68bd5d93740157c97587f7f28163e07339d97e36d78f1ac5eac5eb81c3445eea3fe6f32c6a7a03308bda5379d2713d30c9683

Download Submit
memory/1936-0-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1936-1-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1936-2-0x0000000001B80000-0x0000000001BDB000-memory.dmp

Filesize
364KB

Download
memory/1936-4-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2652-7-0x0000000000250000-0x00000000002AB000-memory.dmp

Filesize
364KB

Download
memory/2652-8-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2652-10-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2652-11-0x0000000000250000-0x00000000002AB000-memory.dmp

Filesize
364KB

Download