Analysis
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max time kernel
134s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 10:59
Static task
static1
Behavioral task
behavioral1
Sample
fcbce1c02e056db95b9ef0d44df62d73699f8387b698445de1a068d0bb11e5cc.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
fcbce1c02e056db95b9ef0d44df62d73699f8387b698445de1a068d0bb11e5cc.exe
Resource
win10v2004-20220414-en
General
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Target
fcbce1c02e056db95b9ef0d44df62d73699f8387b698445de1a068d0bb11e5cc.exe
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Size
4.1MB
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MD5
4b28b1aed86c852780e729523e88bc0b
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SHA1
fcc16e3cdf95474e50932ec3ebabdb736bf3ca9c
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SHA256
fcbce1c02e056db95b9ef0d44df62d73699f8387b698445de1a068d0bb11e5cc
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SHA512
7c9eccde43bf01f36a96e4d58a7d0d988e86b47c96b8224ff592fdcca6133ce1022984b6dc5901cbe4646931832c0f6e6a0f8b57d752f9b92b8b6a3f6e8442ec
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
jfiag_gg.exejfiag_gg.exepid process 4540 jfiag_gg.exe 1772 jfiag_gg.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\jfiag_gg.exe upx C:\Users\Admin\AppData\Local\Temp\jfiag_gg.exe upx C:\Users\Admin\AppData\Local\Temp\jfiag_gg.exe upx C:\Users\Admin\AppData\Local\Temp\jfiag_gg.exe upx -
Processes:
resource yara_rule behavioral2/memory/4040-130-0x0000000000390000-0x0000000000A3B000-memory.dmp vmprotect -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
fcbce1c02e056db95b9ef0d44df62d73699f8387b698445de1a068d0bb11e5cc.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\kissq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\kissq.exe" fcbce1c02e056db95b9ef0d44df62d73699f8387b698445de1a068d0bb11e5cc.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 ip-api.com -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
jfiag_gg.exepid process 1772 jfiag_gg.exe 1772 jfiag_gg.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
fcbce1c02e056db95b9ef0d44df62d73699f8387b698445de1a068d0bb11e5cc.exedescription pid process target process PID 4040 wrote to memory of 4540 4040 fcbce1c02e056db95b9ef0d44df62d73699f8387b698445de1a068d0bb11e5cc.exe jfiag_gg.exe PID 4040 wrote to memory of 4540 4040 fcbce1c02e056db95b9ef0d44df62d73699f8387b698445de1a068d0bb11e5cc.exe jfiag_gg.exe PID 4040 wrote to memory of 4540 4040 fcbce1c02e056db95b9ef0d44df62d73699f8387b698445de1a068d0bb11e5cc.exe jfiag_gg.exe PID 4040 wrote to memory of 1772 4040 fcbce1c02e056db95b9ef0d44df62d73699f8387b698445de1a068d0bb11e5cc.exe jfiag_gg.exe PID 4040 wrote to memory of 1772 4040 fcbce1c02e056db95b9ef0d44df62d73699f8387b698445de1a068d0bb11e5cc.exe jfiag_gg.exe PID 4040 wrote to memory of 1772 4040 fcbce1c02e056db95b9ef0d44df62d73699f8387b698445de1a068d0bb11e5cc.exe jfiag_gg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fcbce1c02e056db95b9ef0d44df62d73699f8387b698445de1a068d0bb11e5cc.exe"C:\Users\Admin\AppData\Local\Temp\fcbce1c02e056db95b9ef0d44df62d73699f8387b698445de1a068d0bb11e5cc.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\jfiag_gg.exeC:\Users\Admin\AppData\Local\Temp\jfiag_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fjgha23_fa.txt2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\jfiag_gg.exeC:\Users\Admin\AppData\Local\Temp\jfiag_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fjgha23_fa.txt2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\fjgha23_fa.txtFilesize
31B
MD5b7161c0845a64ff6d7345b67ff97f3b0
SHA1d223f855da541fe8e4c1d5c50cb26da0a1deb5fc
SHA256fe9e28ff0b652e22a124b0a05382bc1ac48cbd9c7c76ca647b0c9f8542888f66
SHA51298d8971ff20ba256cf886a9db416ac9366d2c6ad4ff51a65bd7e539974dc93f4c897f92d8c9c0319c69b27eacf05cd350a0302828e63190b03457a0eda57f680
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C:\Users\Admin\AppData\Local\Temp\fjgha23_fa.txtFilesize
831B
MD5732c0c2bac1ce6a663b92a3ea384681a
SHA1aa86101726ed3871ebc706aeb1d4b2ad4d971cfe
SHA25642d4f6bddd0cb3a6169bac1d6c988941be3ed23d853c2661a0452aef02eff0a9
SHA512f589a6a14e25a186ebe4a13488f0ead5d6f58248d9f71d02678626a4931a65377ed18b09c6328d92c9f1b2b555cd207b7a3d4ecc49a119774cfa19e42f9f184b
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C:\Users\Admin\AppData\Local\Temp\jfiag_gg.exeFilesize
184KB
MD57fee8223d6e4f82d6cd115a28f0b6d58
SHA11b89c25f25253df23426bd9ff6c9208f1202f58b
SHA256a45317c374d54e322153afd73f0e90f1486638d77b7fd85746d091071bbecd59
SHA5123ed900b83dd178637c2fd4e8444a899f17f12c4ec92a6f4de4fe544fe8d41b521c69b8f348343cb397d0e160f23e27429042d758b5fa5acac0bab5c3584bace4
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C:\Users\Admin\AppData\Local\Temp\jfiag_gg.exeFilesize
184KB
MD57fee8223d6e4f82d6cd115a28f0b6d58
SHA11b89c25f25253df23426bd9ff6c9208f1202f58b
SHA256a45317c374d54e322153afd73f0e90f1486638d77b7fd85746d091071bbecd59
SHA5123ed900b83dd178637c2fd4e8444a899f17f12c4ec92a6f4de4fe544fe8d41b521c69b8f348343cb397d0e160f23e27429042d758b5fa5acac0bab5c3584bace4
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C:\Users\Admin\AppData\Local\Temp\jfiag_gg.exeFilesize
61KB
MD5a6279ec92ff948760ce53bba817d6a77
SHA15345505e12f9e4c6d569a226d50e71b5a572dce2
SHA2568b581869bf8944a8e0aa169adea2a4afe47434123da477132880aff6a5032181
SHA512213cb374f1273c899e0c88a20c0101a7c28024ce5046a2e0d7898bd182d918288bb80367fea4454c437c057ff9ed4fffd42be48a13ca73653021a6d63e1cfa9c
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C:\Users\Admin\AppData\Local\Temp\jfiag_gg.exeFilesize
61KB
MD5a6279ec92ff948760ce53bba817d6a77
SHA15345505e12f9e4c6d569a226d50e71b5a572dce2
SHA2568b581869bf8944a8e0aa169adea2a4afe47434123da477132880aff6a5032181
SHA512213cb374f1273c899e0c88a20c0101a7c28024ce5046a2e0d7898bd182d918288bb80367fea4454c437c057ff9ed4fffd42be48a13ca73653021a6d63e1cfa9c
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memory/1772-138-0x0000000000000000-mapping.dmp
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memory/4040-130-0x0000000000390000-0x0000000000A3B000-memory.dmpFilesize
6.7MB
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memory/4540-134-0x0000000000000000-mapping.dmp