255bbe0a32256eced328d38e936ec7388e4d6770529df661f1ffa9e4dc746190

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
24/04/2024, 14:04

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General

Target

255bbe0a32256eced328d38e936ec7388e4d6770529df661f1ffa9e4dc746190.exe
Size

328KB
MD5

47f3bc9a62d7d67357e6b500615865d4
SHA1

1ab49a5c9d0234efb37b338a1da4957b18eca5bd
SHA256

255bbe0a32256eced328d38e936ec7388e4d6770529df661f1ffa9e4dc746190
SHA512

436655cdb6953d497c665ff0a936ee4d0a2367d040c54633c882b63b8684fdb2f0587ba930e4e7408e7c1733e132c937e4893d940526d02105a40a51463b036f
SSDEEP

3072:xANA6IMfSLilGMXEVP79SE8pve/RysNPDuIvT4FBDv1KS2jbxWGqJs3:WiMF/X479SEAanPSIv0FB5KSbGqJs

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
2080	anhxrcb.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\anhxrcb.exe	255bbe0a32256eced328d38e936ec7388e4d6770529df661f1ffa9e4dc746190.exe
File created	C:\PROGRA~3\Mozilla\fqurfhn.dll	anhxrcb.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2372	255bbe0a32256eced328d38e936ec7388e4d6770529df661f1ffa9e4dc746190.exe
2080	anhxrcb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2080	2548	taskeng.exe	29
PID 2548 wrote to memory of 2080	2548	taskeng.exe	29
PID 2548 wrote to memory of 2080	2548	taskeng.exe	29
PID 2548 wrote to memory of 2080	2548	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\255bbe0a32256eced328d38e936ec7388e4d6770529df661f1ffa9e4dc746190.exe
"C:\Users\Admin\AppData\Local\Temp\255bbe0a32256eced328d38e936ec7388e4d6770529df661f1ffa9e4dc746190.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
PID:2372

C:\Windows\system32\taskeng.exe
taskeng.exe {0A095DC4-E200-4C38-9C37-C3FF634AB7BA} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2548
- C:\PROGRA~3\Mozilla\anhxrcb.exe
  C:\PROGRA~3\Mozilla\anhxrcb.exe -wxojhrj
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of UnmapMainImage
  PID:2080

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\anhxrcb.exe

Filesize
328KB

MD5
a4bb2dd8802cd54a3948aa2a2026e622

SHA1
a47b7168c083ccfc06200ed75aa4208f494d6b19

SHA256
392ba5f41bc98ced0432e70a002bb88df0ac6118615999cd53671c60c03b6ee1

SHA512
856fc7e2f96a9ee7bc5f9eee2059c2ca522a056fa44807a0ad004951c3582d552521aadd741f63ecc4bddbecc6242df6835f516f64ca2bbe20be573e617f5e4f

Download Submit
memory/2080-7-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2080-8-0x0000000000360000-0x00000000003BC000-memory.dmp

Filesize
368KB

Download
memory/2080-9-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2080-11-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2372-1-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2372-0-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2372-2-0x0000000000470000-0x00000000004CC000-memory.dmp

Filesize
368KB

Download
memory/2372-4-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download