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General

  • Target

    Purchase order 781830171.zip

  • Size

    591KB

  • Sample

    221216-rvqanseh38

  • MD5

    4bf3e1f318f983457b8d379807183d69

  • SHA1

    69617ac871d52272b3d0e3638e59fc364003f703

  • SHA256

    80e0a46fefd0ce3dc15a56966a8e6a87862939f3ecf7b3f46f13ca508dc9d84b

  • SHA512

    d49800c46334562fa07dc2f0db2060c99c57ec77a10721f0cbf1ee72e6889675029853b0e4df77d87da31724e3ba3013082e3d0ec4df915e72e332e4f5ea984a

  • SSDEEP

    12288:pm92C6ONBbFXMVRCoxYdpi4ZLEoulx+dvTMC9ZqiSblHuuNqAz9kGngHr85c:pw2C6ONjXML7mdw42oMC7qi8lHuY9rnc

Malware Config

Extracted

Family

formbook

Campaign

yurm

Decoy

X06d1tis1GUX/R0g87Ud

BKiZ33D1P766GVXO1ZwV

lAFdjB7CSxGX8Trz

Gc7dWizTVxWX8Trz

tDkr9JAfi1OHAW1PGOageIp4

bCpMtHKU3mVp8BY5sQ==

7WKpsMWt8nsrhJClJeOZNg==

0A9KTlETQ86Cmd8k0o5NP5RwCg==

aJ61paNJztSp42c=

CrgoA8ySIOsytCbO1ZwV

i46SnHYDD9tTIHI=

XFRCRCjtFZeU3x4Rn3xfD5BnPz+RDA==

c4CZghuHvzW9A31gEz0d

QAjzz9qyRRWBNYseAI4M

Jpbmu4A1YvBvN3ruZgiRmJA5BCFd

PfoFXGNFhhuX8Trz

bqCfk0m8ApAl+Tm1Ms5Tb23IT7tS

z7INff7HNALxc5HWq2/ftrVR6A7R1zvTUQ==

m7IShV4LSFxbqxhrVsZ1Ig==

BHRp7q0gtoRuqBRnVsZ1Ig==

Targets

    • Target

      Purchase order 781830171.exe

    • Size

      602KB

    • MD5

      94a7ae060dd2244f3e523ef87ac573d5

    • SHA1

      6da1cf7a0e4a708e6c986a810cbe87ac73bbf5e1

    • SHA256

      0d65bd3f562fa127be5f009203fed5b0da090648f61d10d03ded5c89228e3766

    • SHA512

      b079719fc7064d9137b53e078e331a19cf0805fec42a68e2c625af3eea95f0cd6aca84bbf75c46892fe03d35d0b186bd118a3821b77a748eadb663e1e2232f5b

    • SSDEEP

      12288:zsBbFXMFRCMxYTri4ZzEouFxSdBTM09Zq8SblZuuNwApnkGngLr8z6:4jXMbhmT24yoW07q88lZuEnrngLrr

    • Formbook

      Formbook is a data stealing malware which is capable of stealing data.

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks