155bd1827a29c5dd67cf0e359d5376e172a2e25d34c423435a7ccabeadeb38b1

Analysis

max time kernel
141s
max time network
131s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
25-03-2024 14:08

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General

Target

de317b1dfc68f3e5f3c112be13af7471.exe
Size

3.1MB
MD5

de317b1dfc68f3e5f3c112be13af7471
SHA1

94d03b66a045d21913f461059d495c63f759c9a7
SHA256

155bd1827a29c5dd67cf0e359d5376e172a2e25d34c423435a7ccabeadeb38b1
SHA512

457ad35004ecd805d698640ed32be7fb6354fa89f3138a1d686702d3c6d2863b120070d0ab700c17746103a58654283cb902f5c39b98ebe8d3bd9899e03858e0
SSDEEP

98304:GwsFkDa3X0wCXY8DzEQNwM/fY8oLtbbqvzX1pS6EH0H3m:8mgKVrwM9o4TzeEm

Score

7^/10

spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2672	de317b1dfc68f3e5f3c112be13af7471.exe

Loads dropped DLL 4 IoCs

pid	Process
2316	de317b1dfc68f3e5f3c112be13af7471.exe
1712	de317b1dfc68f3e5f3c112be13af7471.exe
2316	de317b1dfc68f3e5f3c112be13af7471.exe
2672	de317b1dfc68f3e5f3c112be13af7471.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2316-1-0x0000000000400000-0x00000000008D3000-memory.dmp	upx
behavioral1/memory/1712-6-0x0000000000400000-0x00000000008D3000-memory.dmp	upx
behavioral1/files/0x0006000000015cbd-14.dat	upx
behavioral1/memory/2672-20-0x0000000000400000-0x00000000008D3000-memory.dmp	upx
behavioral1/memory/2672-23-0x0000000000400000-0x00000000008D3000-memory.dmp	upx
behavioral1/memory/2316-345-0x0000000000400000-0x00000000008D3000-memory.dmp	upx

Enumerates connected drives 3 TTPs 2 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)	\??\D:	de317b1dfc68f3e5f3c112be13af7471.exe
File opened (read-only)	\??\F:	de317b1dfc68f3e5f3c112be13af7471.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2316	de317b1dfc68f3e5f3c112be13af7471.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 1712	2316	de317b1dfc68f3e5f3c112be13af7471.exe	28
PID 2316 wrote to memory of 1712	2316	de317b1dfc68f3e5f3c112be13af7471.exe	28
PID 2316 wrote to memory of 1712	2316	de317b1dfc68f3e5f3c112be13af7471.exe	28
PID 2316 wrote to memory of 1712	2316	de317b1dfc68f3e5f3c112be13af7471.exe	28
PID 2316 wrote to memory of 1712	2316	de317b1dfc68f3e5f3c112be13af7471.exe	28
PID 2316 wrote to memory of 1712	2316	de317b1dfc68f3e5f3c112be13af7471.exe	28
PID 2316 wrote to memory of 1712	2316	de317b1dfc68f3e5f3c112be13af7471.exe	28
PID 2316 wrote to memory of 2672	2316	de317b1dfc68f3e5f3c112be13af7471.exe	29
PID 2316 wrote to memory of 2672	2316	de317b1dfc68f3e5f3c112be13af7471.exe	29
PID 2316 wrote to memory of 2672	2316	de317b1dfc68f3e5f3c112be13af7471.exe	29
PID 2316 wrote to memory of 2672	2316	de317b1dfc68f3e5f3c112be13af7471.exe	29
PID 2316 wrote to memory of 2672	2316	de317b1dfc68f3e5f3c112be13af7471.exe	29
PID 2316 wrote to memory of 2672	2316	de317b1dfc68f3e5f3c112be13af7471.exe	29
PID 2316 wrote to memory of 2672	2316	de317b1dfc68f3e5f3c112be13af7471.exe	29

C:\Users\Admin\AppData\Local\Temp\de317b1dfc68f3e5f3c112be13af7471.exe
"C:\Users\Admin\AppData\Local\Temp\de317b1dfc68f3e5f3c112be13af7471.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\Local\Temp\de317b1dfc68f3e5f3c112be13af7471.exe
  C:\Users\Admin\AppData\Local\Temp\de317b1dfc68f3e5f3c112be13af7471.exe --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\crash_count.txt" --url=https://crashstats-collector.opera.com/collector/submit --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktopGX --annotation=ver=77.0.4054.275 --initial-client-data=0x188,0x18c,0x190,0x15c,0x194,0x7465cf90,0x7465cfa0,0x7465cfac
  2⤵
  - Loads dropped DLL
  PID:1712
- C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\de317b1dfc68f3e5f3c112be13af7471.exe
  "C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\de317b1dfc68f3e5f3c112be13af7471.exe" --version
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
afb24ed0513aca91f827d2f727ac2387

SHA1
74ad427b89a6ec6b377fccc9c0bb4644461f2473

SHA256
c446e4642f1da6bc2621f73491e19f57c89868b1a489e261da2025b852338c30

SHA512
42fc4a391a430e62d2c963f6e580c9b5e3797505162eb39438eda23ebf2cddd196a2d0b9608014a77171fa441aec2c45960f60bf2f45902358e2aff8ac1e0bce

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
24dd095bd3ddd20252f2cda6b00548fd

SHA1
29f0d5ba4ce416bd7b116c69d1af822baea244bc

SHA256
1b9f9cb39dcd8bf00957f0bf778f66dc9c4a2b9cb57f2b4278b76c3184736113

SHA512
c1acb2e8dc271f1f4212191e284471c275ca18b9a908f1a1d42dd7e96f4e4a3d9a46bb6652a3e552d71eee9ea1c8d9d02e45b60dbe03e54a9aba205f6fa70a10

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
a042977b8e7b96b304c7ab201e984d40

SHA1
f1a08c5b2ed7fa4771f0a693c0878ca459e2a78d

SHA256
892b350cf54c2e7c6d63465fcd32595e085c07c8cfb7891bd49e547c3f169a04

SHA512
942af03ca9b6e76aaaa9131f2382d4dbe3b0185dbc50aead3eb0038b1d57bddf7510bab31ed1d53fb4c4264fd0a8a8fdb7e36a14d4b0bc877d1e9afab14a73ac

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
48ed817a318671e8af52bd2c8eb19dd4

SHA1
918105f08e40cd1d1d4a15c5b68261b3219c657d

SHA256
fec5d43b394facbba6d2def047d0865478384946a7f67dd2b3183c8070b523a6

SHA512
2e1430618f7db1254f812220afddce0099b608268f9452d555e658b5dbd72cd7a1259ed027f74d162ff4bbfe263e7070fca73f5e6ebfd30fe390ad33ff2f6984

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab1600.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1604.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1791.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports\settings.dat

Filesize
40B

MD5
44defb6eddf628b3164cde7053c2ff35

SHA1
697eab08c7d8cafbd4ea99c56ffa122bd3e7509d

SHA256
e5f708633119b8455638b1cec1ff67a7c14ed0f4ee5e6e2e294b9d8fd3b1b977

SHA512
e48e35b3f1d2c72a2aa0da8f4b9260b0382464df5a661b562cac9b81c988bc0e8b392ba1b085d87facab9baf73a581de3f8b075c4bdf2ab42129c508dad6ae15

Download Submit
\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\de317b1dfc68f3e5f3c112be13af7471.exe

Filesize
3.1MB

MD5
de317b1dfc68f3e5f3c112be13af7471

SHA1
94d03b66a045d21913f461059d495c63f759c9a7

SHA256
155bd1827a29c5dd67cf0e359d5376e172a2e25d34c423435a7ccabeadeb38b1

SHA512
457ad35004ecd805d698640ed32be7fb6354fa89f3138a1d686702d3c6d2863b120070d0ab700c17746103a58654283cb902f5c39b98ebe8d3bd9899e03858e0

Download Submit
\Users\Admin\AppData\Local\Temp\Opera_installer_2403251408513462316.dll

Filesize
4.4MB

MD5
e6e36f7ae9fd264a67ffe9bee5f5c2cf

SHA1
85b9fba82f9b887a30007b9fb18b3fe6b5eb5863

SHA256
e26f5e6cf6fd83b7c1da8317d4dd5272e1a6409449b3e0ad71d76a80ae9358cb

SHA512
4dbc8cd6c62c8c7d90762a595573ee4fda3839756d2d87e8a10c7048331d89f765486969e4eaa05b1ebdd8c60f0c49febbd070e069c153df28bdf2ba6feb294f

Download Submit
memory/1712-6-0x0000000000400000-0x00000000008D3000-memory.dmp

Filesize
4.8MB

Download
memory/2316-18-0x00000000034B0000-0x0000000003983000-memory.dmp

Filesize
4.8MB

Download
memory/2316-1-0x0000000000400000-0x00000000008D3000-memory.dmp

Filesize
4.8MB

Download
memory/2316-345-0x0000000000400000-0x00000000008D3000-memory.dmp

Filesize
4.8MB

Download
memory/2316-437-0x00000000034B0000-0x0000000003983000-memory.dmp

Filesize
4.8MB

Download
memory/2316-4-0x0000000002A40000-0x0000000002F13000-memory.dmp

Filesize
4.8MB

Download
memory/2672-23-0x0000000000400000-0x00000000008D3000-memory.dmp

Filesize
4.8MB

Download
memory/2672-20-0x0000000000400000-0x00000000008D3000-memory.dmp

Filesize
4.8MB

Download