miraykutuphane_LJB4P9BT[.]exe

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General

Target

miraykutuphane_LJB4P9BT.exe
Size

15.1MB
MD5

4747d7cba32478a536c1faf078ad7afd
SHA1

0a55aad09bfc5af092d14f652071c817ede2b22b
SHA256

135b63dbb28f2467d7543ea05a6c0377b49690f0e604881ddad89f4f2c52960f
SHA512

d4f1300b89cf88111d9a89dec411e8c35502c10a7f83110cadac4cd477e484af5c5b5cb6f793200d5df36a80fa943407ae37f88fd013578ab89b354c09fe1a0f
SSDEEP

393216:0K+QqSCmubTVfaOGSYRzGp0QSBvO7Ch3B4lj7ma:0KCSTIaDSKjQSBvvhx4lB

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
sample	upx

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/out.upx

Files

miraykutuphane_LJB4P9BT.exe
.exe windows x86

Code Sign

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:af
Certificate

Issuer

CN=COMODO RSA Certification Authority,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

09/05/2013, 00:00

Not After

08/05/2028, 23:59

Subject

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

8c:d0:9c:7b:97:c5:43:b2:fe:3f:42:98:3f:f7:fe:b1
Certificate

Issuer

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

03/06/2018, 00:00

Not After

02/06/2021, 23:59

Subject

CN=FERNUS BILISIM HIZMETLERI EGITIM DANISMANLIK VE TICARET LTD STI,O=FERNUS BILISIM HIZMETLERI EGITIM DANISMANLIK VE TICARET LTD STI,POSTALCODE=06870,STREET=B4 Golbasi+STREET=TEKNOLOJI GELISTIRME BOLGESI\, 52 BAHCELIEVLER MAHALLESI,L=Ankara,ST=TR,C=TR

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/05/2019, 00:00

Not After

18/01/2038, 23:59

Subject

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

3d:1a:35:72:30:15:82:63:30:d0:13:71:7e:82:41:08
Certificate

Issuer

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

02/05/2019, 00:00

Not After

01/08/2030, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #1,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

8d:c0:8d:84:a5:81:ee:88:b7:ab:65:2a:55:8e:00:b8:b8:36:04:2b
Signer

Actual PE Digest

8d:c0:8d:84:a5:81:ee:88:b7:ab:65:2a:55:8e:00:b8:b8:36:04:2b

Digest Algorithm

sha1

PE Digest Matches

false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 15.6MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 11.3MB - Virtual size: 11.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 304KB - Virtual size: 304KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows x86

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Exports

Exports

curl_easy_cleanup
curl_easy_duphandle
curl_easy_escape
curl_easy_getinfo
curl_easy_init
curl_easy_pause
curl_easy_perform
curl_easy_recv
curl_easy_reset
curl_easy_send
curl_easy_setopt
curl_easy_strerror
curl_easy_unescape
curl_escape
curl_formadd
curl_formfree
curl_formget
curl_free
curl_getdate
curl_getenv
curl_global_cleanup
curl_global_init
curl_global_init_mem
curl_maprintf
curl_mfprintf
curl_mprintf
curl_msnprintf
curl_msprintf
curl_multi_add_handle
curl_multi_assign
curl_multi_cleanup
curl_multi_fdset
curl_multi_info_read
curl_multi_init
curl_multi_perform
curl_multi_remove_handle
curl_multi_setopt
curl_multi_socket
curl_multi_socket_action
curl_multi_socket_all
curl_multi_strerror
curl_multi_timeout
curl_mvaprintf
curl_mvfprintf
curl_mvprintf
curl_mvsnprintf
curl_mvsprintf
curl_share_cleanup
curl_share_init
curl_share_setopt
curl_share_strerror
curl_slist_append
curl_slist_free_all
curl_strequal
curl_strnequal
curl_unescape

Sections

.text
Size: 5.4MB - Virtual size: 5.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

CODE
Size: 111KB - Virtual size: 110KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 2.8MB - Virtual size: 2.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1.6MB - Virtual size: 1.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 13B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

DATA
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

BSS
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 16.0MB - Virtual size: 16.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 587KB - Virtual size: 586KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:afCertificate

Extended Key Usages

Key Usages

8c:d0:9c:7b:97:c5:43:b2:fe:3f:42:98:3f:f7:fe:b1Certificate

Extended Key Usages

Key Usages

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9Certificate

Extended Key Usages

Key Usages

3d:1a:35:72:30:15:82:63:30:d0:13:71:7e:82:41:08Certificate

Extended Key Usages

Key Usages

8d:c0:8d:84:a5:81:ee:88:b7:ab:65:2a:55:8e:00:b8:b8:36:04:2bSigner

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 15.6MB

UPX1 Size: 11.3MB - Virtual size: 11.3MB

.rsrc Size: 304KB - Virtual size: 304KB

Headers

DLL Characteristics

File Characteristics

Exports

Exports

Sections

.text Size: 5.4MB - Virtual size: 5.4MB

CODE Size: 111KB - Virtual size: 110KB

.rdata Size: 2.8MB - Virtual size: 2.8MB

.data Size: 1.6MB - Virtual size: 1.8MB

.tls Size: 512B - Virtual size: 13B

DATA Size: 4KB - Virtual size: 3KB

BSS Size: 2KB - Virtual size: 1KB

.rsrc Size: 16.0MB - Virtual size: 16.0MB

.reloc Size: 587KB - Virtual size: 586KB

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:af
Certificate

8c:d0:9c:7b:97:c5:43:b2:fe:3f:42:98:3f:f7:fe:b1
Certificate

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

3d:1a:35:72:30:15:82:63:30:d0:13:71:7e:82:41:08
Certificate

8d:c0:8d:84:a5:81:ee:88:b7:ab:65:2a:55:8e:00:b8:b8:36:04:2b
Signer

UPX0
Size: - Virtual size: 15.6MB

UPX1
Size: 11.3MB - Virtual size: 11.3MB

.rsrc
Size: 304KB - Virtual size: 304KB

.text
Size: 5.4MB - Virtual size: 5.4MB

CODE
Size: 111KB - Virtual size: 110KB

.rdata
Size: 2.8MB - Virtual size: 2.8MB

.data
Size: 1.6MB - Virtual size: 1.8MB

.tls
Size: 512B - Virtual size: 13B

DATA
Size: 4KB - Virtual size: 3KB

BSS
Size: 2KB - Virtual size: 1KB

.rsrc
Size: 16.0MB - Virtual size: 16.0MB

.reloc
Size: 587KB - Virtual size: 586KB