b54871b66c3d1cc7e9af40ee385b6a51c653deb114d54622f5d32528ae5d63c8

Analysis

max time kernel
9s
max time network
49s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
26-11-2022 22:38

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General

Target

b54871b66c3d1cc7e9af40ee385b6a51c653deb114d54622f5d32528ae5d63c8.exe
Size

780KB
MD5

7cddfe80d0c1aa9a0d629e91cbae8b01
SHA1

8b4358938e35a3ffd31cc1de9fe2442d9e764eae
SHA256

b54871b66c3d1cc7e9af40ee385b6a51c653deb114d54622f5d32528ae5d63c8
SHA512

0693e1e0f51e570628d456854086959479679dddfe3f4fc97656f867eb76f1adccef2ec11649bcb93deffe356b40ff1236c4102bad4dd1d20dc06fc5aff6a0a0
SSDEEP

24576:qhiDoNJQWSSoiROle8ZgN1IvnBYZxtJmmYrOCU:eiDPWSSVRO30IOOe9

Score

8^/10

evasion persistence trojan

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

setup.exe

pid process

2024 setup.exe

pid	process
2024	setup.exe

Registers COM server for autorun 1 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Processes:

setup.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\70fe55c5\\setup.exe"	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ServerExecutable = "C:\\Users\\Admin\\AppData\\Local\\Temp\\70fe55c5\\setup.exe"	setup.exe

Loads dropped DLL 1 IoCs

Processes:

b54871b66c3d1cc7e9af40ee385b6a51c653deb114d54622f5d32528ae5d63c8.exe

pid process

2028 b54871b66c3d1cc7e9af40ee385b6a51c653deb114d54622f5d32528ae5d63c8.exe
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

setup.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA setup.exe
Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

setup.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main setup.exe

pid	process
2028	b54871b66c3d1cc7e9af40ee385b6a51c653deb114d54622f5d32528ae5d63c8.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	setup.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	setup.exe

Modifies registry class 36 IoCs

Processes:

setup.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Wow6432Node\CLSID	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ServerExecutable = "C:\\Users\\Admin\\AppData\\Local\\Temp\\70fe55c5\\setup.exe"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\FLAGS	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ = "ITinyJSObject"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\70fe55c5\\setup.exe"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\TypeLib	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\TypeLib\ = "{7E77E9F2-D76B-4D54-B515-9A7F93DF03DF}"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\ = "JSIELib"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0\win32	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\HELPDIR	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ = "ITinyJSObject"	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Wow6432Node	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Version	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\Version = "1.0"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\Version = "1.0"	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Version\ = "1.0"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\ = "{157B1AA6-3E5C-404A-9118-C1D91F537040}"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\70fe55c5\\setup.exe"	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Programmable	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\70fe55c5"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\ = "TinyJSObject Class"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\FLAGS\ = "0"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\ = "{157B1AA6-3E5C-404A-9118-C1D91F537040}"	setup.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

setup.exe

description pid process

Token: SeDebugPrivilege 2024 setup.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

setup.exe

pid process

2024 setup.exe
2024 setup.exe

description	pid	process
Token: SeDebugPrivilege	2024	setup.exe

pid	process
2024	setup.exe
2024	setup.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

b54871b66c3d1cc7e9af40ee385b6a51c653deb114d54622f5d32528ae5d63c8.exe

description	pid	process	target process
PID 2028 wrote to memory of 2024	2028	b54871b66c3d1cc7e9af40ee385b6a51c653deb114d54622f5d32528ae5d63c8.exe	setup.exe
PID 2028 wrote to memory of 2024	2028	b54871b66c3d1cc7e9af40ee385b6a51c653deb114d54622f5d32528ae5d63c8.exe	setup.exe
PID 2028 wrote to memory of 2024	2028	b54871b66c3d1cc7e9af40ee385b6a51c653deb114d54622f5d32528ae5d63c8.exe	setup.exe
PID 2028 wrote to memory of 2024	2028	b54871b66c3d1cc7e9af40ee385b6a51c653deb114d54622f5d32528ae5d63c8.exe	setup.exe
PID 2028 wrote to memory of 2024	2028	b54871b66c3d1cc7e9af40ee385b6a51c653deb114d54622f5d32528ae5d63c8.exe	setup.exe
PID 2028 wrote to memory of 2024	2028	b54871b66c3d1cc7e9af40ee385b6a51c653deb114d54622f5d32528ae5d63c8.exe	setup.exe
PID 2028 wrote to memory of 2024	2028	b54871b66c3d1cc7e9af40ee385b6a51c653deb114d54622f5d32528ae5d63c8.exe	setup.exe

C:\Users\Admin\AppData\Local\Temp\b54871b66c3d1cc7e9af40ee385b6a51c653deb114d54622f5d32528ae5d63c8.exe
"C:\Users\Admin\AppData\Local\Temp\b54871b66c3d1cc7e9af40ee385b6a51c653deb114d54622f5d32528ae5d63c8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Users\Admin\AppData\Local\Temp\70fe55c5\setup.exe
  "C:\Users\Admin\AppData\Local\Temp/70fe55c5/setup.exe" ProfileFileName=step0.ini
  2⤵
  - Executes dropped EXE
  - Registers COM server for autorun
  - Checks whether UAC is enabled
  - Modifies Internet Explorer settings
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2024

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\70fe55c5\installer\boot.dat

Filesize
1KB

MD5
82ff009dd3236db90393cead19bd2b16

SHA1
3b9eab7281a500960d6598316db7b8299970d8ba

SHA256
0f1d6e066ebc9ed29cc2f194fad5091431a57eb85e13fdd19d1c8881c9402e71

SHA512
47bc6609654812719030e470f949b2af139346937cb689d078de731d57278f2743da5a1cf2dd71bbadb47251be7e5b784c429ba2769559e2d4dcddc978fbe8f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\70fe55c5\installer\installer-config.dat

Filesize
4KB

MD5
26346960decad3a50d16370897784854

SHA1
a2a5986399f33bd62cd15757895475f818291302

SHA256
e6283313fa634034a1251471b5517fa9264c55f1e8008af103dbb13242dcc88f

SHA512
1344d6c3201e33ff26063c58b2030b1b16fb8bcab951caa9bfe9cce4c09d190881705a7eafccc6ccfe0bdf1abf71ae360ea3e3ef10ee6ef0cfaf0eb1aba39e54

Download Submit
C:\Users\Admin\AppData\Local\Temp\70fe55c5\installer\installer.dat

Filesize
36KB

MD5
298dc9fe1774bad46acae8aec86b8a40

SHA1
f9f5564461b94e309043e2c555b645fdb69611b0

SHA256
ceee1f89c72361136d3c7f884c9a54ccf3e99aa25fbc0aeef4c79c9f1e38307e

SHA512
a47c66bd350774b0932a42062952e9cd260daf0cf4b6a2f5ce886a24e592bb113aaa0d386c712d7a63ef3070f85540a8125579a524269091684e59ccc601f2eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\70fe55c5\installer\new-screen.dat

Filesize
2KB

MD5
ff3ac2ce15df8c6e09677fff184dd67e

SHA1
a9b938df0cb6338c557c118766e25acc97bcf1f8

SHA256
ae780c4499c3560092e6b5bcbf4ae596f7b0df3e77d0d3cb3eeb33b54eeb2dfe

SHA512
a7fdd31a34c45d608f99afb06c9ac54c2218603f1d3828af13a0060e19f2d4903ddc253f3209455acff7459679e3514cade3289e21c1f3f598a07b7e8e361ad0

Download Submit
C:\Users\Admin\AppData\Local\Temp\70fe55c5\installer\step0.ini

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Users\Admin\AppData\Local\Temp\70fe55c5\installer\step0.ini

Filesize
13KB

MD5
a88c93532143e1d27d707e5e247d5cf5

SHA1
71e94c478b39b3f0f9263127ddd16bfc412ec5be

SHA256
29730735585f692346d0562714a2e76d9bffda874e347228cc0730997832dcf8

SHA512
9ed12c916f48ba3f346940477d72ee8fc2e7449c29985f8f137d45faba0b6b8eeda3b1eed24db60b0db883aca01b33d15203cf93635123f610ff6c626860ed68

Download Submit
C:\Users\Admin\AppData\Local\Temp\70fe55c5\setup.exe

Filesize
1.4MB

MD5
c3bc99a2f410a5bede595c6a35aabc44

SHA1
cf513259f468b9b15d1749dbe60d215c0b76098c

SHA256
747193c4bdfed0a0d9dc2cd79e9682787169467c90e89d165026ccc220142cd6

SHA512
ddc3eee00d14947fc7cab3ff870328e9046c62357ef1a0ba809ec846a404e3797a1bead5c85ba393ef2536589ea69293da3eefa57e1e99f33b60912c1f1908b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\70fe55c5\setup.exe

Filesize
1.4MB

MD5
c3bc99a2f410a5bede595c6a35aabc44

SHA1
cf513259f468b9b15d1749dbe60d215c0b76098c

SHA256
747193c4bdfed0a0d9dc2cd79e9682787169467c90e89d165026ccc220142cd6

SHA512
ddc3eee00d14947fc7cab3ff870328e9046c62357ef1a0ba809ec846a404e3797a1bead5c85ba393ef2536589ea69293da3eefa57e1e99f33b60912c1f1908b3

Download Submit
\Users\Admin\AppData\Local\Temp\70fe55c5\setup.exe

Filesize
1.4MB

MD5
c3bc99a2f410a5bede595c6a35aabc44

SHA1
cf513259f468b9b15d1749dbe60d215c0b76098c

SHA256
747193c4bdfed0a0d9dc2cd79e9682787169467c90e89d165026ccc220142cd6

SHA512
ddc3eee00d14947fc7cab3ff870328e9046c62357ef1a0ba809ec846a404e3797a1bead5c85ba393ef2536589ea69293da3eefa57e1e99f33b60912c1f1908b3

Download Submit
memory/2024-56-0x0000000000000000-mapping.dmp

Download
memory/2028-54-0x0000000075A31000-0x0000000075A33000-memory.dmp

Filesize
8KB

Download