hijackloader | 9d736ea2310a978dd03952a34ceed2e2b189305cfa52b5bd055e12d530e4ff1d

General

Target

9d736ea2310a978dd03952a34ceed2e2b189305cfa52b5bd055e12d530e4ff1d.exe
Size

6.1MB
MD5

019a22413204f5bd60a38281764c5405
SHA1

1cc6fccbd64ad47867f8cfa3c12fa10a86f63580
SHA256

9d736ea2310a978dd03952a34ceed2e2b189305cfa52b5bd055e12d530e4ff1d
SHA512

76e8141c60689eb1aa0f20dc03312622426d084ffd5258164bdbb9edf4dcf45e2b2f9a6a041ac8e3e256abfc614b661e98bbfdb420fc7eeb7d269488b814ccd5
SSDEEP

98304:ocfIsUtkyBXIunZXaoX90PE0Pno0PbvH8FpRDCP1nxJGV:ocfIsYkXunwbfDcT41n6

Score

10^/10

Malware Config

Signatures

Detects HijackLoader (aka IDAT Loader) 2 IoCs

resource	yara_rule
behavioral2/memory/1836-23-0x0000000000400000-0x0000000000F08000-memory.dmp	family_hijackloader
behavioral2/memory/1836-24-0x0000000000400000-0x0000000000F08000-memory.dmp	family_hijackloader

HijackLoader
HijackLoader is a multistage loader first seen in 2023.
loader hijackloader

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0006000000023278-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1836	9d736ea2310a978dd03952a34ceed2e2b189305cfa52b5bd055e12d530e4ff1d.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0006000000023278-1.dat	upx
behavioral2/memory/1836-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1836-29-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	9d736ea2310a978dd03952a34ceed2e2b189305cfa52b5bd055e12d530e4ff1d.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	9d736ea2310a978dd03952a34ceed2e2b189305cfa52b5bd055e12d530e4ff1d.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates\78E50262E8C47571FB82D5063A6C9BD91BB8A325	9d736ea2310a978dd03952a34ceed2e2b189305cfa52b5bd055e12d530e4ff1d.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates\78E50262E8C47571FB82D5063A6C9BD91BB8A325\Blob = 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	9d736ea2310a978dd03952a34ceed2e2b189305cfa52b5bd055e12d530e4ff1d.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1836	9d736ea2310a978dd03952a34ceed2e2b189305cfa52b5bd055e12d530e4ff1d.exe
1836	9d736ea2310a978dd03952a34ceed2e2b189305cfa52b5bd055e12d530e4ff1d.exe
1836	9d736ea2310a978dd03952a34ceed2e2b189305cfa52b5bd055e12d530e4ff1d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1836	9d736ea2310a978dd03952a34ceed2e2b189305cfa52b5bd055e12d530e4ff1d.exe

C:\Users\Admin\AppData\Local\Temp\9d736ea2310a978dd03952a34ceed2e2b189305cfa52b5bd055e12d530e4ff1d.exe
"C:\Users\Admin\AppData\Local\Temp\9d736ea2310a978dd03952a34ceed2e2b189305cfa52b5bd055e12d530e4ff1d.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/1836-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1836-23-0x0000000000400000-0x0000000000F08000-memory.dmp

Filesize
11.0MB

Download
memory/1836-24-0x0000000000400000-0x0000000000F08000-memory.dmp

Filesize
11.0MB

Download
memory/1836-27-0x0000000073B80000-0x0000000073CFB000-memory.dmp

Filesize
1.5MB

Download
memory/1836-29-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing