General
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Target
formbook4.zip
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Size
662KB
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Sample
221129-kgxn9sfe8t
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MD5
ef9f3e83b8d647bbf40f768846bc8c85
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SHA1
0825637ee21c4b341849ebd18c8910f68264762c
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SHA256
502751e0b4a8acff074def25e8bf46495cc258100652ae11194aea84b5278fcf
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SHA512
ca30a5b1aaa76cb8b69bf13cb4e46ad6643b2e6faed5588060c8767e3a2c2d09469e878227a378682e803e6b10423b1bf4c54c875972dcf86160565c532ef340
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SSDEEP
12288:FQHF1e57vZhFxafu3I19z7t8RXIvFuCFhQ/DcFNzJMiD4EMs6:0WPku3Iqs5rQ/DUbCs6
Static task
static1
Behavioral task
behavioral1
Sample
formbook4.exe
Resource
win7-20220812-en
Malware Config
Extracted
formbook
5pdf
cnoOEQHsI9ejYIEif1HquIlIogYo8Ow=
+pAzTzDtpZpp
djD/KBrcDAYQyOGt+Us+fA==
EJM2X0tTvNKodx36
86lMWj8hSQvtqtamtDE6kbKCy3c=
/ywYVB9fxjhRAg==
0OZ0eaYoArZ0
Kl0MifS5n1TXmIQBZLE=
2eN+GpZbBAJDAg==
E8OdZbo7E5cuJgSu2JNUfg==
wXQeNSUaXiXts3xLPw==
PzLRe+HePPeJJB8PJw==
BPaaT7LANzqtcROc+Us+fA==
/vB5AHAzcWtvN1TtGCkZ2L47OjGmU8RrWQ==
gwSl0rcfM/O7hCE=
NrtIzTsH96xB8a3HBhbfMkCs
bxu1vLuDaipA5w0OVuBc8Mw=
2IRJAE05bSVR4Oj7UeBc8Mw=
kQuq4sSpB/7gs3xLPw==
iqhd2Ea725sBlSE=
2W4CFPu+nVNYIETeChLfMkCs
rchrkJdbPvJ4EIUofdOKHa4KvWXqPA==
cRK3t7O9JxGll9Ko+Us+fA==
OkbfYMd4YBtPEzH16G9hXeakjg==
FymwvK0aKOSRQ+vtHyHfMkCs
cYxU+28lAbwIu2UPXuBc8Mw=
jItanwa+2WniqbzU/pNGnYnemQ==
zm4bsAj8JuIjvpT8Vqg=
6n4ZpyUVq2BrXz0VJg==
ex3L9jb8WVNQ8h8YLg==
tWQRGxXQvngitC0LC9yIPx6/WgdW
lxyUmnd+9u2EaOft
PsRikYc3s2cLtC8=
kxi8zbh5hvQTmDE=
UuWMqXsubU4j1w6Yy0k3dA==
Jyy/YKmfAfWEaOft
zI46RDD+8KCgcz0YLA==
zdJyp52lRwLhjhs4lqolYOSp
T1LG48dgPrWNP+vw
IbVegHBx09TjgZOPwfO/fk6hdBzJMNSR
VOK6i3smSUDWZX35R9e/EqyZvWXqPA==
4+iFjng5Ic3Daeu6Plli
s+zGZ8aScRmaQj9JebdXkbKCy3c=
ZYEk0E48oQ81vFYBV+Bc8Mw=
4BTRTLpor6B3DRerztfIcxMsqH8=
+jL4etO66KHhjoQBZLE=
gwq16dufhAZ8Fho3mTS8eYVyyXc=
8W4HH/2jgjDPiC4bLyHfMkCs
V4FT/FYWV0KJRmNCVNjSVvUCS/jOMeQ=
iZsSIQXsRkQa439geM6SkOek
WviYppWH3dm+WmG6Plli
nB6xNZdIdXcSvoQBZLE=
dSPsEf/H//vvttt8y4M6oYBToAYo8Ow=
XnI72zskWw1B+ic+l+WkNgrkaQYo8Ow=
eRhBIwPE/O/Laeu6Plli
z3wr6HTtc7mEaOft
t8ZlmJVRP/6EaOft
96JPVkTwx3AHuKyf+Us+fA==
AiT4mvfkUUmiboQeauL0tcQ=
IdN+DnYkXl5UGDfaxURKXeakjg==
9X8UkPez5txE/KhZ7Rw4aw==
0VRBjjas6ew=
iC34jAC/nQm9eCk=
i7xrp8SFJ++wnJgBYa8=
realtechtalks.com
Targets
-
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Target
formbook4.exe
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Size
1.0MB
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MD5
e434c99075bb1cc365706ac25bc1c53a
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SHA1
4cbc665703ef6c5eb46608aa5b8fef42c6afe6f5
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SHA256
f50fd444e689593c2b29b62961986f31fe2b61f28850d23680aab7671add1365
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SHA512
a6de56271d64f1ec3c4049faaeb99b7822f22b0acb6716a5ac52f7726d6278724d3110361cf13b63d441af01c3668dcde727a3ba322af17e00b33b0b0abb4610
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SSDEEP
24576:bpxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxNuss8gPkS3k:23cj+/ZEFdj
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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Suspicious use of SetThreadContext
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