bceaa9fd153f70d8cecd19b5d482ab9e22881f3b2b67a06159ac1a88683ab0fd

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
01-02-2024 13:38

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General

Target

2024-02-01_ff92d013e12793767df7cdfa628904d7_hacktools_xiaoba.exe
Size

3.2MB
MD5

ff92d013e12793767df7cdfa628904d7
SHA1

7626619dc1b80c7cd698e952c9d73b06dfe54b51
SHA256

bceaa9fd153f70d8cecd19b5d482ab9e22881f3b2b67a06159ac1a88683ab0fd
SHA512

e4d280e948e39e94c73aae2341585015a898d3b565ac8f267ebee9932e46462624c3fa508e3ac2ff7e3db9fbe4694ad2678514a9ee46c8858091f85c619693b6
SSDEEP

49152:6zG1BqCBGJdodXAGRe5CFHRoHgmAZf1Ng:DBIKRAGRe5K2UZs

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2856	f76256b.exe

Loads dropped DLL 9 IoCs

pid	Process
2616	2024-02-01_ff92d013e12793767df7cdfa628904d7_hacktools_xiaoba.exe
2616	2024-02-01_ff92d013e12793767df7cdfa628904d7_hacktools_xiaoba.exe
2532	WerFault.exe
2532	WerFault.exe
2532	WerFault.exe
2532	WerFault.exe
2532	WerFault.exe
2532	WerFault.exe
2532	WerFault.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2532	2856	WerFault.exe	28

Modifies system certificate store 2 TTPs 2 IoCs

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	f76256b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	f76256b.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2616	2024-02-01_ff92d013e12793767df7cdfa628904d7_hacktools_xiaoba.exe
2616	2024-02-01_ff92d013e12793767df7cdfa628904d7_hacktools_xiaoba.exe
2856	f76256b.exe
2856	f76256b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 2856	2616	2024-02-01_ff92d013e12793767df7cdfa628904d7_hacktools_xiaoba.exe	28
PID 2616 wrote to memory of 2856	2616	2024-02-01_ff92d013e12793767df7cdfa628904d7_hacktools_xiaoba.exe	28
PID 2616 wrote to memory of 2856	2616	2024-02-01_ff92d013e12793767df7cdfa628904d7_hacktools_xiaoba.exe	28
PID 2616 wrote to memory of 2856	2616	2024-02-01_ff92d013e12793767df7cdfa628904d7_hacktools_xiaoba.exe	28
PID 2856 wrote to memory of 2532	2856	f76256b.exe	30
PID 2856 wrote to memory of 2532	2856	f76256b.exe	30
PID 2856 wrote to memory of 2532	2856	f76256b.exe	30
PID 2856 wrote to memory of 2532	2856	f76256b.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-02-01_ff92d013e12793767df7cdfa628904d7_hacktools_xiaoba.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-01_ff92d013e12793767df7cdfa628904d7_hacktools_xiaoba.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Users\Admin\AppData\Local\Temp\ÅäÖÃ\f76256b.exe
  C:\Users\Admin\AppData\Local\Temp\ÅäÖÃ\f76256b.exe 259401067
  2⤵
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 600
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ÅäÖÃ\f76256b.exe

Filesize
1.6MB

MD5
20c02dad7985ebc16ed63ac4aeea765b

SHA1
519dcdd3ff56c78a8d4d703b911a95d90acea571

SHA256
1bbced0f3acc776b785ac1cb8d1327f525ab6fc9131eea2f66a5f3fb9dc17b54

SHA512
4df72041835c3b4a500810015646cf028259a43650687ffcebb5eefb50152beb46438f5747d54149413604aa1180bd3cd3bf3469462210c3b797c3e06a193854

Download Submit
C:\Users\Admin\AppData\Local\Temp\ÅäÖÃ\f76256b.exe

Filesize
1.1MB

MD5
e074db9801a8630c7ac8f8ddd4aec81c

SHA1
10685101028e0e62fc3485ddec5b3e99e8967b11

SHA256
f9ff9f954844c6ed1978271273f1b13cb3c87a2f6c77da7bf834512b74eabe55

SHA512
5633bc940d4308e2a0488ea2cda481e5243a9d91204d26d8dfd7b3f20f071ff5db5b48e5b00b2e7eda2f4484da8e1692e3056a78b3bc838221c5f57b4b870b5f

Download Submit
\Users\Admin\AppData\Local\Temp\ÅäÖÃ\f76256b.exe

Filesize
1.6MB

MD5
4aa994a1c08981114a8c6f1f4bcc941d

SHA1
276d12a6e167d35afebd7982dd97634717884835

SHA256
e6ae12f5e353aad20eccfdec91a6362ac173896657e0274ed894bac69e081a2a

SHA512
4a769a55e0b8db014e7d4e4053d358f0a43c1ff5670be61ca450b1108a0deff16194c98cdaafe0eed7eadbce67e4c7e5f1f7daf719ecaffe44f4283ea0eddb08

Download Submit
\Users\Admin\AppData\Local\Temp\ÅäÖÃ\f76256b.exe

Filesize
438KB

MD5
1947c10537640c8a2df4a2d4b6d56706

SHA1
7431d898c34c7ff719ef999fa8f85faab43b0520

SHA256
baf44edd197de48e0adf952a6194966c92b6fdcb51e8ff3c7ba3b3e8394ffdc7

SHA512
29e807719b6720179b2751b7175201846e45403b3f4f5c02de0a3a3ba6670c05ef8756f967ed75fe27c3b888ca67c0663010a1b2594686cccd98b11a67726e69

Download Submit
\Users\Admin\AppData\Local\Temp\ÅäÖÃ\f76256b.exe

Filesize
363KB

MD5
04654190883d8106c513c0c98e553aea

SHA1
eba1fd9b7f7dfd380376f2337b5bf1f07c0770ce

SHA256
5af0ba962853b0374fe34003bfc8ce95c5a7e3238a78a083026fbe132b77750a

SHA512
77b423c5e09e473ead9f2c620ad8bac76d12772903409fa51d0166907060c4d6cc502a46884532cfd629159a54ebe58808f7ab8ed427d24def83ffe902036c33

Download Submit
\Users\Admin\AppData\Local\Temp\ÅäÖÃ\f76256b.exe

Filesize
288KB

MD5
fd93790151d8efa4896f7cd70ed70a96

SHA1
1070e9b36c5ab44d0835b8cdb5e7c80d36ad6879

SHA256
02d59c72818a33a38834a9f1dcec12423494787c36ef17f623bae0898e343060

SHA512
14c060fbd29f2981b7702d52026e947afd6b02565be891f5318ae8734a925e65edd50e3386498444c1c21d7f925f59192fa534fcb3b9338cf2d3c41e73f7c8eb

Download Submit
\Users\Admin\AppData\Local\Temp\ÅäÖÃ\f76256b.exe

Filesize
241KB

MD5
477a4ccdddad09e65cd9a7657c23bcdf

SHA1
725733b3e0b200907fee5f7971a99d706ff581da

SHA256
5f41fe0ca2473b13f327293b6180ec9fe06207bf1ffae56590861229418bf416

SHA512
e3f05e986545529338e46dfa45b359ce2dfe21337f729a56f1dc0fd5713e2abfd02f716dc96e82346532c347efe856b6f8aec06dccb6dd1e57242f2d985837d8

Download Submit
\Users\Admin\AppData\Local\Temp\ÅäÖÃ\f76256b.exe

Filesize
219KB

MD5
92e28b22465003f0b70236db6f7a9e0b

SHA1
ac276fd65c8f98555927bfb1f252af1b94db5179

SHA256
c538ace135cafdf2c158263b24059a0832b05fb082ac655e0ed9c1dd2edfc1b4

SHA512
92b7451920ecfbdefb2f679aac1107feceb76e3936f7adffbc0cf41be9f58319a569a960c9e4769f2284def22e387e2ec6e627557d07971185c0bd03a305fc40

Download Submit
\Users\Admin\AppData\Local\Temp\ÅäÖÃ\f76256b.exe

Filesize
154KB

MD5
218935f1ff9f4b86949c165b3c2114f1

SHA1
33471c8ade293c1e0a43fc39c8cc0f347654c60a

SHA256
55793dc9b0fb8f2ee8721f51f13132e35f2b46bf731bb3cf3c401a775ae7d918

SHA512
dc5add938bddef9072e97341aa3406fb3148862fdb542d3cb5ae1458910d875bacb9ca9bf312402a5bbd0ae3ac0c63b0f42444f7dfb2511e54f6a6a251d13fc7

Download Submit
\Users\Admin\AppData\Local\Temp\ÅäÖÃ\f76256b.exe

Filesize
1KB

MD5
56fc8a371408d2eefcec571bc8843f3d

SHA1
1e554cc5831808539195d5605138e92a6e3954af

SHA256
d717db184b364343474f42ef5d9e40c88767b84dc0c0ee7a72e0a134485fd1bf

SHA512
f79f6a71cf6da963f0db3ace00f80fc6ea5bca31c5c127606a4b935f90e2373b5204df9c2520015cc2cb3801e4d251ea28c253b78a6a6e8c26a044d7db73d6cb

Download Submit
\Users\Admin\AppData\Local\Temp\ÅäÖÃ\f76256b.exe

Filesize
1.7MB

MD5
be1dfe0a7a9fe675d5b4ffea8a76c08d

SHA1
aa19661a3f7f1307d77d4773350138897cdb80cc

SHA256
83c5d9d07fac6109ed9e3eea8aca3a600b29a2222bcb765b36b0a8876304fa06

SHA512
6fd9fa048f11a856bf3f871d79932c383163d1a606a152fd9c86c549f7da29bbd9c385b8480fba28d424ceeab79b536c97baf60a134edd655410693e3ceb8084

Download Submit
memory/2616-33-0x0000000000400000-0x00000000007A5000-memory.dmp

Filesize
3.6MB

Download
memory/2616-11-0x0000000002A20000-0x0000000002DC5000-memory.dmp

Filesize
3.6MB

Download
memory/2616-12-0x0000000002A20000-0x0000000002DC5000-memory.dmp

Filesize
3.6MB

Download
memory/2616-1-0x0000000000400000-0x00000000007A5000-memory.dmp

Filesize
3.6MB

Download
memory/2616-0-0x0000000000400000-0x00000000007A5000-memory.dmp

Filesize
3.6MB

Download
memory/2856-14-0x0000000076E10000-0x0000000076F10000-memory.dmp

Filesize
1024KB

Download
memory/2856-13-0x0000000000400000-0x00000000007A5000-memory.dmp

Filesize
3.6MB

Download
memory/2856-41-0x0000000000400000-0x00000000007A5000-memory.dmp

Filesize
3.6MB

Download